CN105386653B - Electromagnetic door lock, door lock assembly and electric appliance - Google Patents
Electromagnetic door lock, door lock assembly and electric appliance Download PDFInfo
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- CN105386653B CN105386653B CN201510350554.9A CN201510350554A CN105386653B CN 105386653 B CN105386653 B CN 105386653B CN 201510350554 A CN201510350554 A CN 201510350554A CN 105386653 B CN105386653 B CN 105386653B
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- door lock
- cam
- sliding block
- locking
- mounting bracket
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Abstract
A kind of door lock (100), including door lock box (101), it include: locking device (230) in door lock box (101), locking device (230) has latched position and releasing position, locking device (230) is in latched position, it locks door lock (100), locking device (230) discharges door lock (100) at releasing position；Magnet (235) on locking device (230) is set；Relief hole (265) in door lock box (101) is set, for being inserted into unlocking magnet (254), when the unlocking magnet (254) is inserted into relief hole (265), the magnet (235) on locking device (230) is pushed, locking device (230) is moved to releasing position.The present invention can be used for opening door lock in appliance cut-off.
Description
Technical field
The present invention relates to a kind of door locks for commercial or home electrical equipment, in particular to a kind of to have energency-unlocking function
The electromagnetic door lock of energy.
Background technique
The normal use of electrical equipment has certain requirement to the door lock mechanism of equipment.Commercial or home electrical equipment such as
Closing is fully sealed in the door needs of washing machine, dish-washing machine etc. could be normally-open after the completion of task.But some
After emergency such as powers off, the electromagnetic start mechanism of door lock runs out of steam, and door lock cannot discharge gate stop, the goalkeeper of electric appliance without
Method is opened.Emergency release device is in such cases artificially by door-lock opening.
The prior art such as PTC promptly discharges system or rope and promptly discharges system can also open door in an emergency situation
Lock.It is that unlocking part is tensed and discharged by potsherd heating power, power-off cooling to realize that power-off is opened that PTC, which promptly discharges system,
Lock, structure is complicated for this system, component is huge, at high cost, and is powered always in machine operation, thus also wastes electric power
Resource；It is that pull open the locking pin of door lock, this system is needed in electricity peripheral hardware drawstring in door lock that rope, which promptly discharges system,
Window is opened up in device equipment and drawstring is separately set, it is inconvenient to use.
Summary of the invention
Place in order to overcome the shortcomings in the prior art, it is simple and have energency-unlocking function that the present invention provides a kind of structure
Electromagnetic door lock, specifically:
A kind of electromagnetic door lock, including door lock box include: in door lock box
Locking device, locking device have latched position and releasing position；Locking device locks door in latched position
Lock；Locking device discharges door lock at releasing position；
Magnet on the locking apparatus is set；
Relief hole on door lock box is set, for being inserted into unlocking magnet, when the unlocking magnet is inserted into relief hole, is pushed away
Magnet on dynamic locking device, is moved to releasing position for locking device.
And a kind of door lock assembly, use electromagnetic door lock above-mentioned and unlocking key.
And a kind of electric appliance, use electromagnetic door lock above-mentioned and unlocking key.
Electromagnetic door lock of the invention, as emergency release device, utilizes unlocking magnet using structure simply unlocking key
Magnetic force pushes locking pin (locking device) to discharge locking sliding block and achieve the purpose that unlocking open.
Emergency release device of the invention only need separately to open on appliance panel a duck eye can (even without punching and
Onlocking zone is directly marked on panel), there is no need to which electric appliance is excessively transformed, strong applicability.
Emergency release device of the invention can be applied to the similar of a variety of utilization locking pin (locking device) locking door locks
On door lock, structure is simple, low to the improvement cost for the device for using door lock.
Detailed description of the invention
Fig. 1 is the schematic diagram of front three-dimensional structure of door lock 100 of the present invention；
Fig. 2A is that Fig. 1 opens the schematic diagram of internal structure after 100 lock box cover 125 of door lock；
When Fig. 2 B is that the electromagnetic assembly 120 in Fig. 2A does not push down locking pin 230, the structure of 240 position of locking sliding block
Schematic diagram；
When Fig. 2 C is that the electromagnetic assembly 120 in Fig. 2A pushes down locking pin 230, the structural representation of 240 position of locking sliding block
Figure；
Fig. 2 D is the reverse side schematic perspective view of door lock 100 of the present invention；
Fig. 2 E is the schematic perspective view of door lock 100 of the present invention being mounted on appliance panel；
Fig. 3 is all parts Structure explosion diagram of Fig. 2A；
Fig. 4 A is the positive structure schematic of cam 108；
Fig. 4 B is the side structure schematic diagram of cam 108；
Fig. 5 A is the positive structure schematic of mounting bracket 106；
Fig. 5 B is the reverse structure schematic of mounting bracket 106；
Fig. 6 A is the structural schematic diagram that mounting bracket 106 is bounced；
Fig. 6 B is the compressed structural schematic diagram of mounting bracket 106；
Fig. 7 A is the structural schematic diagram that gate stop 270 will be inserted into door lock hole 204；
Fig. 7 B is the structural schematic diagram that gate stop 270 hangs up the rotation of 420 pusher moving cam 108 of door lock hook；
Fig. 7 C is the structural schematic diagram that gate stop 270 hangs up that cam 108 after door lock hook 420 moves up；
Fig. 7 D is that gate stop 270 hangs up the structural schematic diagram that 420 post-tensioning moving cam 108 of door lock hook moves down；
Fig. 7 E is that gate stop 270 is the structural schematic diagram that will be disengaged from door lock hook 420；
Locking pin 230 is shifted onto structural schematic diagram when releasing position for unlocking key 250 in an emergency situation by Fig. 7 F.
Specific embodiment
Various specific embodiments of the invention are described below with reference to the attached drawing for constituting this specification a part.
Although it should be understood that be used in the present invention indicate direction term, such as "front", "rear", "upper", "lower", " left side ",
" right side ", " vertical " or " parallel " etc. describes various example features and element of the invention, but uses these terms herein
Purpose merely for convenience of description, the determination based on the example orientations shown in attached drawing.Due to reality disclosed in this invention
Applying example can be arranged according to different directions, so these indicate that the term in direction is intended only as illustrating and should not be considered as limiting
System.In the following figures, same components use same drawing number, and similar components use similar drawing number,
To avoid repeated description.
For convenience of identification, each label in figure is respectively as follows:
Door lock 100
Door lock box 101
Cam 108
Bottom 109
Cam post 110
(cam post 110) two top 112,114
Electromagnetic assembly 120
Lock box cover 125
Door lock hole 204
Pen core lock 210
Pen core locks frame 212
Iron core 214
Pen core locks spring 216
Electromagnetic coil 220
Elastic slice 218
Locking pin (locking device) 230
Locking sliding block 240
Unlocking key 250
The tooth wing 251
(in relief hole 265) slot 252
Guide post 255
Sideslip slot 256
Cell wall 258
Sliding block lockhole 260
Relief hole 265
Gate stop 270
Mounting groove (301,302)
Camshaft (312,314)
Step 321
Upper contact surface 322
Lower contact surface 324
Cam lower part 330
(cam 108) surface of revolution 332
(locking sliding block 240) surface of revolution 334
Support spring (340,342)
Sliding block spring (360,362)
Support column (380,382)
Spring stack (384,386)
Hole (388,389)
Door lock hook 420
Sliding slot (503,504)
Slot (508,509)
Fig. 1 is the schematic diagram of front three-dimensional structure of door lock 100 of the present invention；Electromagnetic door lock 100 as shown in Figure 1 includes door lock
Box 101, door lock box 101 have bottom 109, and the left side inside door lock box 101 accommodates electromagnetic assembly 120 (see Fig. 2A),
On there is the lid of lock box cover 125 to close, electromagnetic assembly 120 is for opening and closing door lock 100 (being specifically shown in Fig. 2 B and Fig. 2 C), in door lock box
Right side inside 101 is equipped with door lock hole 204 (being specifically shown in Fig. 2 D), and the top of door lock box 101 as shown in the figure corresponds to door lock hole 204
Position at be equipped with mounting bracket 106, cam 108 is equipped with inside mounting bracket 106, is equipped with cam post 110 above cam 108.
Mounting bracket 106 can make (or reciprocal) movement up and down relative to the bottom 109 of door lock box 101, while drive inboard cam 108
Make (or reciprocal) movement up and down, mounting bracket 106 have along its length there are two opposite top (112,114), two tops
(112,114) it is equipped with opposite mounting groove (301,302) (being specifically shown in Fig. 3, Fig. 5 A and Fig. 5 B).
Fig. 2A is that Fig. 1 opens the schematic diagram of internal structure after door lock lock box cover 125；As shown in Figure 2 A, lock box cover 125 is opened
Later, it can be seen that electromagnetic assembly 120 is (interior with cored including electromagnetic coil 220, pen core lock 210, pen core lock frame 212
214, pen core lock spring 216), elastic slice 218, towards bottom 109 one end be equipped with (or being embedded with) magnet 235 locking pin 230
Deng.By making electromagnetic coil 220 generate magnetic force the energization of electromagnetic coil 220.When the electricity for passing to different directions to electromagnetic coil 220
When stream, attract the iron core 214 in pen core lock 210 done back and forth in pen core lock 210 (or reciprocal) movement (in the direction of arrow A and
It is in reverse to the direction of arrow A).(or reciprocal) the back and forth movement of iron core 214 in pen core lock 210 drives pen core lock frame 212 to exist
(or reciprocal) movement is done back and forth on direction identical with the direction of motion of iron core 214, so that elastic slice 218 moves up and down (along arrow C
Direction and the reversed direction with arrow C), and then locking pin 230 is driven to move up and down (in the direction of arrow C and reversely and arrow
The direction of head C), to lock or loosen locking sliding block 240 (see Fig. 2 B and Fig. 2 C).
Fig. 2 B is that the electromagnetic assembly 120 in Fig. 2A does not push down locking pin (locking device) 230 (that is, at locking pin 230
In releasing position) when, (door lock box 101, the holder parts such as lock box cover 125 are hidden for the structural schematic diagram of 240 position of locking sliding block
Hiding)；Electromagnetic assembly 120 further includes the guide post 255 and L-type sliding slot 256 on pen core lock frame 212, illustrates electromagnetic door of the invention
Lock 100 is in initial/releasing position (Men Weiguan).As shown in Figure 2 B, sliding block 240 is located at free position, and pen core is locked on frame 212
Guide post 255 limited by the cell wall 258 of sliding slot 256, therefore even if pressing the switch button of door lock, keep electromagnetic coil 220 logical
Electricity generates magnetic force, and pen core locks frame 212 can not be mobile along the direction arrow A (i.e. its axis direction).
Fig. 2 C is that the electromagnetic assembly 120 in Fig. 2A pushes down locking pin (locking device) 230 (that is, locking pin 230 is in lock
Positioning is set) when, the structural schematic diagram of 240 position of locking sliding block (door lock box 101, the holder parts such as lock box cover 125 are hidden)；Figure
Show that electromagnetic door lock 100 of the invention is in door lock closed position.As shown in Figure 2 C, when door has been shut, locking sliding block 240 is pushed away
To closed position, the sliding block lockhole 260 on locking sliding block 240 is aligned with locking pin 230；Leading on pen core lock frame 212 simultaneously
Column 255 is aligned with the top vertical slot of sliding slot 256.As long as pen core lock can be dragged at this point, electromagnetic coil 220, which is powered, generates magnetic force
Frame 212 is mobile along the direction arrow A (i.e. its axis direction).After pen core lock frame 212 is removed, since pen core locks 212 He of frame
Locking sliding block 240 has all cancelled the limitation of locking pin 230, thus locking pin 230 under the elastic force effect of elastic slice 218 to moving down
Dynamic (as shown by arrow A) and the sliding block lockhole 260 (latched position) for being inserted into locking sliding block 240.When guide post 255 and sliding slot 256
When top vertical slot is aligned, pen core lock frame 212 can be moved back and forth along the direction arrow A and the direction for being in reverse to arrow A, locking sliding block
240 can move back and forth along the direction arrow B and the direction for being in reverse to arrow B, and locking pin 230 is along the direction arrow C and is in reverse to arrow C
Direction move back and forth, any two directions in the direction of arrow A, B, C meaning are mutually orthogonal or mutually different.In fact, figure
120 part of electromagnetic assembly shown in 2B- Fig. 2 C more specifically describes to see that the Chinese patent application No. is 201210072421.6 discloses
Specification, the patent application are all referred in the application, are one of specific embodiment of the invention.
Fig. 2 D is the reverse side schematic perspective view of door lock 100 of the present invention；As shown in Figure 2 D, the bottom 109 of door lock 100
The back side has door lock hole 204.When the door closes, door lock hole 204 is directed at the gate stop 270 on the door of electrical equipment, thus gate stop 270
It is inserted into door lock hole 204, is matched with the door lock hook 420 (see Fig. 4 A- Fig. 4 B) on the cam 108 in door lock 100.Door lock hole
The back side of the bottom 109 of 204 sides is additionally provided with urgent relief hole 265, and unlocking key 250 can be inserted into urgent relief hole from the outside
In 265.The insertion end of unlocking key is equipped with unlocking magnet 254, the magnet 235 on unlocking magnet 254 and locking pin 230 it is opposite
Side on polarity it is identical, can be by the way that unlocking key 250 be inserted into promptly thus in case of emergency (such as power-off suddenly)
Relief hole 265 shifts positioning pin 230 onto releasing position from latched position to open door lock.Unlocking key 250 is close to be inserted
The side wall for entering end has the tooth wing 251, and 265 inner wall of relief hole has slot 252, and quantity, shape and the tooth wing 251 of slot 252 match.
The suitability of the shape and quantity of slot 252 and the tooth wing 251 guarantees the uniqueness of unlocking key 250, to guarantee the safety unlocked
Property (for example, will not occur children's unlocking bring dangerous).Relief hole 265 is not through-hole.Although being described herein as 265 He of relief hole
Unlocking key 250 has specific structure to guarantee the uniqueness of unlocking key 250, however, it should be understood that not considering
In the case where the uniqueness of unlocking key 250, it can not require unlocking key 250 and relief hole 265 that there is specific structure, and
As long as guaranteeing for be inserted into relief hole 265 unlocking key 250.
Fig. 2 E is the schematic perspective view of door lock 100 of the present invention being mounted on appliance panel；As shown in Figure 2 E, door lock
100 are mounted on the inboard of appliance panel 280 (part), as optimum embodiment, in corresponding door lock hole 204 on appliance panel 280
It is open with being equipped at relief hole 265, is stretched out for door lock hole 204, and unlocking key 250 can be inserted in relief hole 265 to incite somebody to action
Locking pin 230 shifts releasing position onto from latched position.Relief hole 265 is equipped on door lock pedestal 109 to insert although showing in figure
Enter key of unlocking.But it in fact, the present invention can be not provided with relief hole 265 on door lock pedestal 109, is corresponded on panel 280
It can also be not provided with opening at relief hole 265, but do upper zone marker in corresponding region, with the unlocking with strong magnetic force magnet
Key 250 can also achieve the effect that shift locking pin 230 onto releasing position from latched position close to the region.
Fig. 3 is the 100 all parts Structure explosion diagram of door lock of Fig. 2A (120 part of electromagnetic assembly is hidden in Fig. 2A)；Such as
Shown in Fig. 3, electromagnetic door lock 100 includes door lock box 101, mounting bracket 106, cam 108, cam post 110, lock slider 240, lock
Rationed marketing 230, support spring (340,342), unlocking key 250 etc.；Door lock box 101 has bottom 109,101 bottom 109 of door lock box
Be equipped with mounting bracket 106 above right side, mounting bracket 106 along its length (B-B axis) be equipped with two opposite tops (112,
114), two tops (112,114) are equipped with opposite mounting groove (301,302)；Mounting bracket 106 is movably mounted to door lock box
On 101 bottoms 109, it can make relative to the bottom 109 of door lock box 101 up and down or move back and forth.
Bottom 109 is equipped with two support columns (380,382) for raising upward, two tops of mounting bracket 106 (112,
114) it is respectively equipped with the sliding slot (503,504) (see Fig. 5 B) extended towards bottom 109, support column (380,382) is inserted into cunning respectively
The linear movement of mounting bracket 106 is limited in slot (503,504).Divide on the outside of two support columns (380,382) on bottom 109
The spring stack (384,386) that She You do not project upwards, 106 liang of tops (112,114) of mounting bracket are respectively equipped with towards bottom 109
The slot (508,509) of extension is to adapt to spring stack (384,386)；Two support springs (340,342) be set in spring stack (384,
386) it on, is clipped between bottom 109 and mounting bracket 106.
Camshaft (312,314) extends from the two sides of cam 108, and camshaft (312,314) is separately mounted to install
In the mounting groove (301,302) on the top on bracket 106, so that cam 108 can be by camshaft (312,314) around mounting bracket
The axis B-B of 106 length direction is rotated, and the middle part of cam 108 is equipped with door lock hook 420 (see Fig. 4 A- Fig. 4 B), for engaging door
Hook 270 (see Fig. 7 A- Fig. 7 F), the top of cam 108 are equipped with step 321, and step 321 has upper contact surface 322 and lower contact surface
324。
Support column (380,382) end is respectively equipped with hole (388,389), the both ends of cam post 110 insertion hole (388,
389) it in, withstands on the upper contact surface 322 of cam 108 (when initial position).And the upper contact surface 322 of cam 108 is arc end
Face, when cam 108 does not move, cam post 110 blocks curved end, so that cam (108) is maintained at initial position.On connect
It is in order to which when cam 108 rotates, cam 108 can be smoothly sliding from 110 lower surface of cam post that contacting surface 322, which is set as curved end,
It crosses.When being rotated with cam 108 around the axis (B-B) of the length direction of mounting bracket 106, cam post 110 and step 321
Upper contact surface 322 contact (initial position) or lower contact surface 324 and contact (final position).
Locking sliding block 240 and the bottom 109 of door lock box 101 are arranged in parallel, as cam 108 moves reciprocatingly when locking
Sliding block 240 be moved to closed position lock it is motionless when, cam 108, which is stuck, to be moved.Cam is withstood on the right side of locking sliding block 240
108, side (i.e. close to the side of the locking sliding block 240) edge of the lower part 330 of cam 108 is equipped with surface of revolution 332, and locking is slided
Block 240 is equipped with a surface of revolution 334, the surface of revolution of locking sliding block 240 close to the edge on 108 side of cam (i.e. right side)
334 match with the surface of revolution 332 of 108 lower part 330 of cam；When being inserted into gate stop 270, cam 108 is done inverse by the promotion of gate stop 270
Hour hands rotation, then moves upwardly together under the action of support spring (340,342) in company with mounting bracket, 108 lower part of cam
Surface of revolution 334 of 330 surface of revolution 332 far from locking sliding block 240, locking sliding block 240 are pushed away in sliding block spring (360,362)
It is mobile to cam 108 under dynamic；When extracting gate stop 270, cam 108 is moved down by the pulling of gate stop 270 and is rotated clockwise again, cam
The surface of revolution 332 of 108 lower parts 330 pushes locking sliding block 240 to return to initial position.
240 side of locking sliding block is equipped with sliding block lockhole 260, when locking sliding block 240 is moved to closed position, to electromagnetic wire
Circle is powered to drive locking pin 230 to be inserted into sliding block lockhole 260 and lock locking sliding block 240 (latched position).Specifically, with machine
The closing of appliance doors, gate stop 270 are inserted into door lock hole 204, cause rotating and move upwards counterclockwise for cam, to lock cunning
Promotion of the block 240 in sliding block spring (360,362) is moved to closed position, and electromagnetic assembly 120 drives after starting door interlock switch
Dynamic locking pin 230 is moved to latched position and locks locking sliding block 240.Sliding block spring (360,362) is always to locking sliding block 240
Apply motive force to the right.
Relief hole 265 is equipped with 109 downside of bottom (Fig. 3 is not shown, and sees Fig. 7 A-7F).Relief hole 265 is not through-hole,
Bottom 109 is not run through.265 face locking pin 230 of relief hole.When locking pin 230 is in the locking bit of insertion sliding block lockhole 260
When setting, relief hole 265 is also directed at sliding block lockhole 260.One end of locking pin 230 towards bottom is equipped with (or being embedded with) magnet 235,
The insertion end for being inserted into the unlocking key 250 (as shown in Figure 7 F) of relief hole 265 is equipped with unlocking magnet 254, unlocking magnet 254 and magnetic
The polarity at the opposite end of iron 235 is identical (homopolarity is opposite), thus the direction of the insertion end for key 250 of unlocking and locking pin 230
When the end of bottom is close to each other, repulsive force is generated between unlocking key 250 and locking pin 230.Therefore, when locking pin 230 is in
When being inserted into the latched position of sliding block lockhole 260, if unlocking key 250 is inserted into relief hole 265, unlocking key 250 and locking
Repulsive force between pin 230 can push locking pin 230 to leave sliding block lockhole 260 (such as emergency appliance cut-off at this time, electricity
Magnetic assembly 120 loses electric power), to loosen locking sliding block 240.
Fig. 4 A is the positive structure schematic of cam 108；As shown in Figure 4 A, extend camshaft from the two sides of cam 108
(312,314) so that cam 108 can by camshaft (312,314) around the length direction of mounting bracket 106 axis B-B (see
Fig. 3) rotate, the middle part of cam 108 is equipped with door lock hook 420, for engaging gate stop 270 (see Fig. 7 A- Fig. 7 F), cam 108 it is upper
Portion is equipped with step 321, and step 321 has upper contact surface 322 and lower contact surface 324.
Fig. 4 B is the side structure schematic diagram of cam 108；As shown in Figure 4 B, upper contact surface 322 is curved end, works as cam
108 in initial position, and upper contact surface 322 is withstood in cam post 110, because upper contact surface 322 is curved end, when cam 108
When rotation, cam 108 can be slipped over more smoothly from the downside of cam post 110.Lower part 330 a side edge of cam 108 is equipped with
Surface of revolution 332, surface of revolution 332 are mutually matched with the surface of revolution 334 of close locking sliding block 240.
Fig. 5 A is the positive structure schematic of mounting bracket 106；As shown in Figure 5A, mounting bracket 106 is engraving without slot bottom
Sky design, mounting bracket 106 are relatively provided with two tops (112,114) along its length, and two tops (112,114) are equipped with
Opposite mounting groove (301,302).The camshaft (312,314) extended from the two sides of cam 108 is separately mounted to mounting groove
In (301,302), so that cam 108 can be by camshaft (312,314) around the axis B-B of the length direction of mounting bracket 106
(see Fig. 3) rotation.Mounting bracket 106 is additionally provided with sliding slot (503,504), and bottom 109 is equipped with two support columns to raise upward
(380,382), support column (380,382) are inserted into sliding slot (503,504) respectively to support mounting bracket 106 and limit installation branch
The linear movement of frame 106.
Fig. 5 B is the reverse structure schematic of mounting bracket 106；As shown in Figure 5 B, mounting bracket 106 includes two tops
(112,114), the hole 510 of internal setting cam 108, sliding slot (503,504), slot (508,509) etc..Sliding slot (503,504)
Perforative above and below being, slot (508,509) is with slot bottom, and slot (508,509) is for accommodating two springs set on bottom 109
Column (384,386) and cover two support springs (340,342) on spring stack (384,386).Support spring (340,342)
For providing upward thrust to mounting bracket 106 and cam 108.
Fig. 6 A is the structural schematic diagram that mounting bracket 106 is pushed open far from bottom 109.It as shown in Figure 6, is cam 108
(not shown) is opened by 270 (not shown) of gate stop, after the upper contact surface 322 of cam 108 is slipped over from the lower surface of cam post 110,
Mounting bracket 106 is supported spring 340 and support spring 342 is pushed open far from bottom 109, and cam 108 is with mounting bracket 106 1
It rises and moves up, until the lower contact surface combination cam post 110 of cam 108.
Fig. 6 B is the structural schematic diagram that mounting bracket 106 is pressed towards bottom 109；As shown in Figure 6B, gate stop 270 is pulled out
When, it will drive cam 108 and move downward and rotate clockwise again.The moving downward of cam 108 will drive mounting bracket 106 together to
Lower movement makes mounting bracket 106 be pressed towards bottom 109, and support spring 340 and support spring 342 are compressed.With cam
108 rotate clockwise, and upper contact surface 322 engages the lower surface of cam post 110, so that cam post 100 applies court to cam 108
To the pressure of bottom 109, so that support spring 340 and support spring 342 keep compressive state, so that mounting bracket 106 presses to
Bottom 109,.As can be seen from Figure 6B, sliding slot 503 and sliding slot 504 are through, and support column 380 and support column 382 can pass through
Mounting bracket 106.
Fig. 7 A-7E is the course of work of door lock in normal state, and Fig. 7 F is the course of work of door lock in emergency situations.
Fig. 7 A is the structural schematic diagram that gate stop 270 will be inserted into door lock hole 204；As shown in Figure 7 A, locking sliding block 240 and bottom
Portion 109 is arranged in parallel, and locking sliding block 240 can move reciprocatingly toward and away from cam 108.Locking sliding block 240 is equipped with sliding block
Lockhole 260.In figure, locking pin 230 is in releasing position.And when sliding block lockhole reaches 230 lower section of locking pin, locking pin 230
Sliding block lockhole 260 can be directed at and be downwardly into sliding block lockhole 260, latched position is reached.In figure, locking sliding block 240 is in
Cam 108 is withstood on initial position, right side, have surface of revolution 334 to the right side of locking sliding block 240 of matched radian with it is convex
The surface of revolution 332 of 330 side of lower part of wheel 108 engages；As shown, gate stop 270 is moved along direction A will be inserted into door lock
In hole 204, do not engaged with the door lock hook 420 of cam 108 also.The upper contact surface 322 of cam 108 is also bonded in cam post 110.
The outside of bottom 109 is equipped with relief hole 265, and relief hole 265 is directed at locking pin 230.
Fig. 7 B is the structural schematic diagram that gate stop 270 hangs up the rotation of 420 pusher moving cam 108 of door lock hook；Gate stop 270 is along direction
A is moved upward to be engaged with door lock hook 420, pushes cam 108 to rotate along the direction B (counter clockwise direction), the upper contact of cam 108
Face 322 and cam post 110 are detached from；The surface of revolution 332 of 108 lower part 330 of cam leaves the surface of revolution 334 of locking sliding block 240,
Sliding block spring (the 360,362) (not shown) that the left side of the separate cam 108 of locking sliding block 240 is arranged at two provides
Motive force effect under, locking sliding block 240 along the direction D into figure right side slide, when sliding block lockhole 260 is moved to locking pin
When 230 corresponding position, electromagnetic assembly 120 pushes locking pin 230 that will move downward along the direction E and be inserted into sliding block lockhole
In 260, locking pin 230 is in the locked position.
Fig. 7 C is the structural schematic diagram that gate stop 270 hangs up that cam 108 after door lock hook 420 moves up；As shown, gate stop
270 continue to move upwards along direction A, while support spring 340 and support spring 342 push mounting bracket 106 with moving cam 108
It is moved upwards together along the direction C, cam 108 moves upwards arrival latched position along the direction C.Step on cam 108
In final position and the limit " latched position " when 321 lower contact surface 324 and cam post 110 contact.Locking sliding block 240
Surface of revolution top be a plane, here it is its compensatory zones for this planar range, in this compensatory zone, gate stop
270 can gate stop 270 can be lockked by door lock hook 420.In fact, dish-washing machine etc. it is electrical door needs closing is fully sealed
The normally-open operation of ability installs washer additional also on door generally to enhance sealing performance.But washer generally passes through rubber or plastics
Be made, the production technologies of different manufacturers is different, elastic properties of materials performance is different, expanded by heating amplitude is different, degree of aging difference with
And length of gate stop etc. influences the difference that the different factors that gate stop changes result in the sealing performance of washer, can all influence door lock
Sealing performance.But in this compensatory zone, cam 108 can be moved upwards, and gate stop 270 is tensed, shim thickness,
The inconsistency bring sealing problem of gate stop length.When reaching closed position locking pin 230 move downward also along the direction E and
It is inserted into sliding block lockhole 260.Locking sliding block 240 is locked out movement at this time, and cam 108 is also locked sliding block 240 and convex
Wheel post 110 is fixed on closed position and cannot move.Gate stop 270 is engaged by door lock hook 420 and can not be extracted out, and door lock 100 is lockable.
Fig. 7 D is that gate stop 270 hangs up the structural schematic diagram that 420 post-tensioning moving cam 108 of door lock hook moves down unlock；Work as door
When lock needs to open, door interlock switch is pressed, electromagnetic assembly 120 can be pulled upwardly locking pin 230 along the direction E ' and reach release position
It sets, so that locking sliding block 240 can move freely；Then, gate stop 270 is moved downward along the direction direction A '.Gate stop 270 to
Lower movement band moving cam 108 moves downward, after cam 108 moves downward contact door lock cassette bottom portion 109, gate stop 270 it is downward
Movement band moving cam is rotated along the direction B ' (clockwise direction).Cam 108 moves downward drive mounting bracket along the direction C '
106 move downward also along the direction C '.When cam 108 rotationally moves, 332 pairs of surface of revolution locks of 108 lower part 330 of cam
The surface of revolution 334 of tight sliding block 240 applies motive force to the left, and locking sliding block 240 is pushed to transport to the left to along the direction D '
It is dynamic to return to initial position.
Fig. 7 E is that gate stop 270 is the structural schematic diagram that will be disengaged from door lock hook 420；As seen in figure 7e, cam 108 returns to starting
Position, gate stop 270 are detached from door lock hook 420, and the door of electric appliance is opened.After cam 108 returns to initial position, upper contact surface 322 is connect
It closes in cam post 110, locking sliding block 240 returns to initial position, and cam 108 is withstood on the right side of locking sliding block 240, has and matches
The surface of revolution 334 on the right side of locking sliding block 240 of radian connect with the surface of revolution 332 of 330 side of lower part of cam 108
It closes.
Fig. 7 F is the structural schematic diagram that unlocking key 250 pushes locking pin 230 open in an emergency situation.As shown in Figure 7 F
Situation is the latching of door lock 100 as seen in figure 7 c, and locking pin 230 is in the locked position, occurs such as electric appliance at this time and power off suddenly
Etc. situations, electromagnetic assembly 120 lose electric power.Locking pin 230 can not be pulled upwardly by electromagnetic assembly 120 along the direction E ' and at holding
In latched position, locking sliding block 240 is locked in closed position, and the engaging of sliding block 240 that is locked of cam 108 can not rotate, gate stop
270 are hooked by door lock hook 420, so that door lock 100 can not be opened.Emergency release device of the invention at this time can play a role
Door lock 100 is opened, particularly, unlocking key 250 is inserted into relief hole 265, when insertion, in unlocking key 250 (or it is interior
It is embedding) unlocking magnet 254 towards 230 lower end of locking pin magnet 235, because of the unlocking magnet of (or embedded) in unlocking key 250
254 identical as the polarity at opposite end of magnet 235 of 230 lower end of locking pin (be all the pole N or be all the pole S), unlocking key 250
Repulsion is generated between locking pin, which boosts locking pin 230 along the direction E ' upwards reaches releasing position, locking sliding block
240 so as to moving freely.As gate stop 270 is moved downward along the direction direction A ', band moving cam 108 is downward along the direction C '
Movement.After cam 108 moves downward contact door lock cassette bottom portion 109, gate stop 270 moves downward band moving cam along the direction B '
(clockwise direction) rotation.Moving downward for cam 108 drives mounting bracket 106 to move downward (such as Fig. 7 D also along the direction C '
It is shown).When cam 108 rotationally moves, the surface of revolution 332 of 108 lower part 330 of cam is bent to the revolution of locking sliding block 240
Face 334 applies motive force to the left, and locking sliding block 240 is pushed to move back into initial position to the left along the direction D '.Gate stop
270 are moved downwardly to be detached from door lock hook 420 along the direction A ' always, and the door of electric appliance is opened (as seen in figure 7e) at this time.
Although with reference to the specific embodiment shown in attached drawing, present invention is described, but it is to be understood that not
Away from present invention teach that spirit and scope and background under, door lock pedestal, door lock and emergency release device of the invention can have
Many versions.It is disclosed in this invention to change that art technology those of ordinary skill will additionally appreciate different modes
Parameter in embodiment, such as the type of size, shape or element or material each fall within the spirit of the present invention and claim
In range.
It should also be specified that present invention combination washing machine describes door lock mechanism of the invention, but those skilled in the art
Door lock mechanism of the invention can be advantageously applied on any other electrical equipments for thering is identical (or similar) to require.
Claims (41)
1. a kind of electromagnetic door lock (100), including door lock box (101), it is characterised in that include: in the door lock box (101)
Locking device (230), the locking device (230) have latched position and releasing position；The locking device (230) exists
When the latched position, the electromagnetic door lock (100) are lockked；The locking device (230) discharges institute at the releasing position
State electromagnetic door lock (100)；
The magnet (235) being arranged on the locking device (230)；And
Relief hole (265), the relief hole (265) is arranged on the door lock box (101), for receiving unlocking magnet (254),
When the relief hole (265) receive unlocking magnet (254), the unlocking magnet (254) pushes the locking device
(230) locking device (230) is moved to the releasing position by the magnet (235) on.
2. electromagnetic door lock (100) as described in claim 1, it is characterised in that further include:
Cam (108), the cam (108) is arranged above the plane of the bottom (109) of the door lock box (101), described convex
It takes turns (108) and is equipped with door lock hook (420), for receiving and locking gate stop (270)；
The bottom (109) of locking sliding block (240), the locking sliding block (240) and the door lock box (101) is arranged in parallel,
The locking sliding block (240) pushes against the cam (108) by the sliding block spring (360,362) that side is equipped with, when the lock
When tight sliding block (240) is lockable motionless, the cam (108) cannot be moved；And
It is inserted into the electromagnetic door lock (100) in the gate stop (270), the locking sliding block (240) is moved to closed position
When, the locking device (230) is moved to the latched position by driving and locks the locking sliding block (240).
3. electromagnetic door lock (100) as described in claim 1, it is characterised in that:
The one end of unlocking magnet (254) setting in unlocking key (250).
4. electromagnetic door lock (100) as described in claim 1, it is characterised in that:
One end of bottom (109) of magnet (235) setting in the locking device (230) close to the door lock box (101).
5. electromagnetic door lock (100) as claimed in claim 3, it is characterised in that:
Relief hole (265) setting is in the bottom (109) of the door lock box (101) outside and the locking device (230) phase
On corresponding position, the unlocking key (250) can be inserted into the relief hole (265) outside the electromagnetic door lock (100).
6. electromagnetic door lock (100) as claimed in claim 5, it is characterised in that:
The unlocking magnet (254) is opposite with the magnet (235) homopolarity.
7. electromagnetic door lock (100) as claimed in claim 3, it is characterised in that:
The insertion end of the unlocking key (250) is equipped with several tooth wings (251).
8. electromagnetic door lock (100) as claimed in claim 7, it is characterised in that:
The relief hole (265) is equipped with several slots (252) compatible with the tooth wing (251) shape.
9. electromagnetic door lock (100) as claimed in claim 2, it is characterised in that:
The door lock box (101) is equipped with mounting bracket (106), and the mounting bracket (106) is relative to the door lock box (101)
The bottom (109) can be reciprocating, the mounting bracket (106) is provided along its length two opposite tops
(112,114), two top (112,114) are equipped with opposite mounting groove (301,302)；
The camshaft (312,314) extended from the two sides of the cam (108), the camshaft (312,314) are installed respectively
In the mounting groove (301,302) on two top on the mounting bracket (106), so that the cam (108) can
Axis (B-B) by the camshaft (312,314) around the length direction of the mounting bracket (106) rotates, the cam
(108) middle part is equipped with the door lock hook (420), and for receiving the gate stop (270), the top of the cam (108) is equipped with
Step (321), the step (321) have upper contact surface (322) and lower contact surface (324)；And
Cam post (110), the cam post (110) are mounted to as the cam (108) is around the institute of the mounting bracket (106)
It states the axis (B-B) rotation of length direction and is contacted with the upper contact surface (322) or the lower contact surface (324).
10. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
It is rotated in the axis (B-B) with the cam (108) around the length direction of the mounting bracket (106)
When, the cam post (110) contacts with the upper contact surface (322) of the step (321) or the lower contact surface (324).
11. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
The locking sliding block (240) moves back and forth with the cam (108) rotation；But when the locking sliding block (240) are by institute
State locking device (230) lock it is motionless when, the cam (108) can not move.
12. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
The upper contact surface (322) of the cam (108) is curved end, described when the cam (108) does not move
Cam post (110) compresses the curved end, so that the cam (108) is maintained at initial position.
13. electromagnetic door lock (100) as claimed in claim 2, it is characterised in that further include:
At least one described sliding block spring (360,362) is arranged in the locking sliding block (240) far from the cam (108)
Side, at least one described described sliding block spring (360,362) apply motive force to the locking sliding block (240) always.
14. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
Lower part (330) a side of the cam (108) is along surface of revolution (332) are equipped with, and the locking sliding block (240) is close to institute
The edge for stating cam (108) side is equipped with surface of revolution (334), the surface of revolution 334 of the locking sliding block (240) and institute
The surface of revolution (332) for stating the lower part of cam matches；
When being inserted into the gate stop (270), the cam (108) is pushed by the gate stop (270) is the Xiang Shangyi again of rotation counterclockwise
Dynamic, the surface of revolution (332) of the lower part (330) of the cam (108) is far from the described of the locking sliding block (240)
Surface of revolution (334), the locking sliding block (240) are moved in the case where the sliding block spring (360,362) are pushed to the cam (108)
It is dynamic；And
When extracting the gate stop (270), the cam (108) is pulled to move down and rotate clockwise again by the gate stop (270),
The surface of revolution (332) of the lower part (330) of the cam (108) pushes the locking sliding block (240) to return to initially
Position.
15. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
The bottom (109) is equipped with two support columns (380,382) for raising upward, the mounting bracket (106) it is described
The inside on two tops (112,114) is equipped with two sliding slots (503,504) towards the bottom (109), described two support columns
(380,382) are inserted into described two sliding slots (503,504) linear movement for limiting the mounting bracket (106) respectively.
16. electromagnetic door lock (100) as claimed in claim 15, it is characterised in that:
Two spring stacks projected upwards are equipped on the bottom (109) in the outside of described two support columns (380,382)
The inside of (384,386), two top (112,114) of the mounting bracket (106) is equipped with towards the bottom (109)
Adapt to two slots (508,509) of described two spring stacks (384,386)；And
Two support springs (340,342), described two support springs (340,342) be set in described two spring stacks (384,
386) it on, is clipped between the bottom (109) and the mounting bracket (106), the gate stop (270) is inserted into door lock hole (204)
When, first push the cam (108) to rotate counterclockwise, the upper contact surface (322) for rotating to the cam (108) leaves institute
After stating cam post (110), described two support springs (340,342) push the mounting bracket (106) and the cam (108)
It moves linearly upwards.
17. electromagnetic door lock (100) as claimed in claim 16, it is characterised in that:
The end of described two support columns (380,382) is respectively equipped with hole (388,389), the both ends of the cam post (110)
In the mounting bracket (106) insertion described hole (388,389).
18. electromagnetic door lock (100) as claimed in claim 11, it is characterised in that:
The locking sliding block (240) is equipped with sliding block lockhole (260), when the locking sliding block (240) is moved to the closed position
When, the locking device (230) is inserted into the sliding block lockhole (260) and locks the locking sliding block (240).
19. electromagnetic door lock (100) according to claim 9, it is characterised in that further include:
The locking device is released and retracted to electromagnetic assembly (120), the electromagnetic assembly (120) after being powered for machinery equipment
(230), to lock and open the lock slider (240).
20. a kind of door lock assembly, it is characterised in that:
Use electromagnetic door lock described in claim 1-19 (100) and unlocking key (250).
21. a kind of electric appliance, it is characterised in that:
Use electromagnetic door lock described in claim 1-19 (100) and unlocking key (250).
22. a kind of door lock, which is characterized in that the door lock includes:
Door lock box (101) includes: in the door lock box (101)
Locking device (230), the locking device (230) have latched position and releasing position；The locking device (230) exists
When the latched position, the door lock is lockked；The locking device (230) discharges the door lock at the releasing position；
The magnet (235) being arranged on the locking device (230)；
Relief hole (265), the relief hole (265) is arranged on the door lock box (101), for receiving unlocking magnet (254),
When the relief hole (265) receive unlocking magnet (254), the unlocking magnet (254) pushes the locking device
(230) locking device (230) is moved to the releasing position by the magnet (235) on.
23. door lock as claimed in claim 22, it is characterised in that further include:
Cam (108), the cam (108) is arranged above the plane of the bottom (109) of the door lock box (101), described convex
It takes turns (108) and is equipped with door lock hook (420), for receiving and locking gate stop (270)；
The bottom (109) of locking sliding block (240), the locking sliding block (240) and the door lock box (101) is arranged in parallel,
The locking sliding block (240) pushes against the cam (108) by the sliding block spring (360,362) that side is equipped with, when the lock
When tight sliding block (240) is lockable motionless, the cam (108) cannot be moved；
It is inserted into the door lock in the gate stop (270), when the locking sliding block (240) is moved to closed position, the lock
Determine device (230) to be moved to the latched position by driving and lock the locking sliding block (240).
24. door lock as claimed in claim 22, it is characterised in that:
The one end of unlocking magnet (254) setting in unlocking key (250).
25. door lock as claimed in claim 22, it is characterised in that:
One end of bottom (109) of magnet (235) setting in the locking device (230) close to the door lock box (101).
26. door lock as claimed in claim 24, it is characterised in that:
Relief hole (265) setting is in the bottom (109) of the door lock box (101) outside and the locking device (230) phase
On corresponding position, the unlocking key (250) can be inserted into the relief hole (265) from outside the door lock.
27. door lock as claimed in claim 26, it is characterised in that:
The unlocking magnet (254) is opposite with the magnet (235) homopolarity.
28. door lock as claimed in claim 24, it is characterised in that:
The insertion end of the unlocking key (250) is equipped with several tooth wings (251).
29. door lock as claimed in claim 28, it is characterised in that:
The relief hole (265) is equipped with several slots (252) compatible with the tooth wing (251) shape.
30. door lock as claimed in claim 23, it is characterised in that:
The door lock box (101) is equipped with mounting bracket (106), and the mounting bracket (106) is relative to the door lock box (101)
The bottom (109) can move up and down, the mounting bracket (106) is provided along its length two opposite tops
(112,114), two top (112,114) are equipped with opposite mounting groove (301,302)；
The camshaft (312,314) extended from the two sides of the cam (108), the camshaft (312,314) are installed respectively
In the mounting groove (301,302) on two top on the mounting bracket (106), so that the cam (108) can
Axis (B-B) by the camshaft (312,314) around the length direction of the mounting bracket (106) rotates, the cam
(108) middle part is equipped with the door lock hook (420), and for receiving the gate stop (270), the top of the cam (108) is equipped with
Step (321), the step (321) have upper contact surface (322) and lower contact surface (324)；And
Cam post (110), the cam post (110) are mounted to as the cam (108) is around the institute of the mounting bracket (106)
It states the axis (B-B) rotation of length direction and is contacted with the upper contact surface (322) or the lower contact surface (324).
31. door lock as claimed in claim 30, it is characterised in that:
It is rotated in the axis (B-B) with the cam (108) around the length direction of the mounting bracket (106)
When, the cam post (110) contacts with the upper contact surface (322) of the step (321) or the lower contact surface (324).
32. door lock as claimed in claim 30, it is characterised in that:
The locking sliding block (240) moves back and forth with the cam (108) rotation；But when the locking sliding block (240) are by institute
State locking device (230) lock it is motionless when, the cam (108) can not move.
33. door lock as claimed in claim 30, it is characterised in that:
The upper contact surface (322) of the cam (108) is curved end, described when the cam (108) does not move
Cam post (110) compresses the curved end, so that the cam (108) is maintained at initial position.
34. door lock as claimed in claim 23, it is characterised in that further include:
At least one described sliding block spring (360,362) is arranged in the locking sliding block (240) far from the cam (108)
Side, at least one described described sliding block spring (360,362) apply motive force to the locking sliding block (240) always.
35. door lock as claimed in claim 30, it is characterised in that:
Lower part (330) a side of the cam (108) is along surface of revolution (332) are equipped with, and the locking sliding block (240) is close to institute
The edge for stating cam (108) side is equipped with surface of revolution (334), the surface of revolution 334 of the locking sliding block (240) and institute
The surface of revolution (332) for stating the lower part of cam matches；
When being inserted into the gate stop (270), the cam (108) is pushed by the gate stop (270) is the Xiang Shangyi again of rotation counterclockwise
Dynamic, the surface of revolution (332) of the lower part (330) of the cam (108) is far from the described of the locking sliding block (240)
Surface of revolution (334), the locking sliding block (240) are moved in the case where the sliding block spring (360,362) are pushed to the cam (108)
It is dynamic；
When extracting the gate stop (270), the cam (108) is pulled to move down and rotate clockwise again by the gate stop (270),
The surface of revolution (332) of the lower part (330) of the cam (108) pushes the locking sliding block (240) to return to initially
Position.
36. door lock as claimed in claim 30, it is characterised in that:
The bottom (109) is equipped with two support columns (380,382) for raising upward, the mounting bracket (106) it is described
The inside on two tops (112,114) is equipped with two sliding slots (503,504) towards the bottom (109), described two support columns
(380,382) are inserted into described two sliding slots (503,504) linear movement for limiting the mounting bracket (106) respectively.
37. door lock as claimed in claim 36, it is characterised in that:
Two spring stacks projected upwards are equipped on the bottom (109) in the outside of described two support columns (380,382)
The inside of (384,386), two top (112,114) of the mounting bracket (106) is equipped with towards the bottom (109)
Adapt to two slots (508,509) of described two spring stacks (384,386)；And
Two support springs (340,342), described two support springs (340,342) be set in described two spring stacks (384,
386) it on, is clipped between the bottom (109) and the mounting bracket (106), the gate stop (270) is inserted into door lock hole (204)
When, first push the cam (108) to rotate counterclockwise, the upper contact surface (322) for rotating to the cam (108) leaves institute
After stating cam post (110), described two support springs (340,342) push the mounting bracket (106) and the cam (108)
It moves linearly upwards.
38. door lock as claimed in claim 37, it is characterised in that:
The end of described two support columns (380,382) is respectively equipped with hole (388,389), the both ends of the cam post (110)
In the mounting bracket (106) insertion described hole (388,389).
39. door lock as claimed in claim 32, it is characterised in that:
The locking sliding block (240) is equipped with sliding block lockhole (260), when the locking sliding block (240) is moved to the closed position
When, the locking device (230) is inserted into the sliding block lockhole (260) and locks the locking sliding block (240).
40. door lock according to claim 30, it is characterised in that further include:
The locking device is released and retracted to electromagnetic assembly (120), the electromagnetic assembly (120) after being powered for machinery equipment
(230), to lock and open the lock slider (240).
41. a kind of electric appliance, it is characterised in that:
Use door lock described in claim 22-40 and unlocking key (250).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350554.9A CN105386653B (en) | 2014-08-25 | 2015-06-23 | Electromagnetic door lock, door lock assembly and electric appliance |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421046 | 2014-08-25 | ||
| CN2014104210460 | 2014-08-25 | ||
| CN201510350554.9A CN105386653B (en) | 2014-08-25 | 2015-06-23 | Electromagnetic door lock, door lock assembly and electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386653A CN105386653A (en) | 2016-03-09 |
| CN105386653B true CN105386653B (en) | 2019-03-01 |
Family
ID=55419369
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510350554.9A Expired - Fee Related CN105386653B (en) | 2014-08-25 | 2015-06-23 | Electromagnetic door lock, door lock assembly and electric appliance |
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| Country | Link |
|---|---|
| CN (1) | CN105386653B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508789B (en) * | 2018-03-14 | 2020-10-09 | 郑州工程技术学院 | Family management system and method based on Internet of things |
| CN113914074B (en) * | 2021-11-18 | 2024-01-30 | 温州天健电器有限公司 | Sliding block type door lock and washing machine with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799518A (en) * | 1997-01-22 | 1998-09-01 | Suetech Industries Co., Ltd. | Door lock assembly |
| CN101748936A (en) * | 2008-12-04 | 2010-06-23 | 黄日辉 | Electric lock |
| CN102677983A (en) * | 2011-03-10 | 2012-09-19 | 伊利诺斯工具制品有限公司 | Electromagnetic door lock of electrical equipment |
| CN103075049A (en) * | 2013-01-04 | 2013-05-01 | 郑州跃博汽车电器有限公司 | Electronic recognition-type mechanical lock, key and lock assembly |
| CN103806755A (en) * | 2013-11-11 | 2014-05-21 | 宁波市鄞州陆挺五金工具有限公司 | Magnetically-controlled lock |
-
2015
- 2015-06-23 CN CN201510350554.9A patent/CN105386653B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799518A (en) * | 1997-01-22 | 1998-09-01 | Suetech Industries Co., Ltd. | Door lock assembly |
| CN101748936A (en) * | 2008-12-04 | 2010-06-23 | 黄日辉 | Electric lock |
| CN102677983A (en) * | 2011-03-10 | 2012-09-19 | 伊利诺斯工具制品有限公司 | Electromagnetic door lock of electrical equipment |
| CN103075049A (en) * | 2013-01-04 | 2013-05-01 | 郑州跃博汽车电器有限公司 | Electronic recognition-type mechanical lock, key and lock assembly |
| CN103806755A (en) * | 2013-11-11 | 2014-05-21 | 宁波市鄞州陆挺五金工具有限公司 | Magnetically-controlled lock |
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| Publication number | Publication date |
|---|---|
| CN105386653A (en) | 2016-03-09 |
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Granted publication date: 20190301 Termination date: 20210623 |