CN106760962B - Electromagnetic door lock and electric appliance - Google Patents
Electromagnetic door lock and electric appliance Download PDFInfo
- Publication number
- CN106760962B CN106760962B CN201510811539.XA CN201510811539A CN106760962B CN 106760962 B CN106760962 B CN 106760962B CN 201510811539 A CN201510811539 A CN 201510811539A CN 106760962 B CN106760962 B CN 106760962B
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- Prior art keywords
- door lock
- sliding block
- cam
- gate stop
- electromagnetic
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
- E05B17/0033—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing for opening only
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
Abstract
A kind of electromagnetic door lock and electric appliance, electromagnetic door lock includes the door lock box with bottom, door lock box side is equipped with the structures such as cam, locking sliding block, and camshaft is extended in the two sides of cam, and lower part is equipped with door lock hook, side is equipped with a spring arm, the other side is equipped with a slider arm, and a spring leaf is equipped between spring arm and the bottom of the door lock box, and locking sliding block is equipped with receiving slit close to the side of cam, receiving slit is equipped with inclined-plane for accommodating gate stop, in the receiving slit side;Slider arm and the inclined-plane) it contacts, when the cam makes rotating motion along a first direction, slider arm pushes the inclined-plane that the locking sliding block is moved far from the cam.Electric appliance uses this electromagnetic door lock.Electromagnetic door lock of the invention pushes the door of electric appliance by children shutting in Shi Nengcong open, is guaranteed the safety of children, structure is simple, easily manufactured and highly-safe using the child safety mechanisms such as cam, lock slider.
Description
Technical field
The present invention relates to household electrical appliance manufacturing field, in particular to a kind of family's electric door lock with child safety mechanisms.
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
Washing machine, the door of dish-washing machine etc. need to install child safety mechanisms.It, can when children are strayed into such as drum type washing machine barrel
The appliance door shut is pushed open from inside with little power and is unlikely to can not to push open and cause danger.
Summary of the invention
The present invention is intended to solve the above technical problem, and the first purpose is to provide a kind of electromagnetic door with child safety mechanisms
Lock, specific technical solution are as follows:
A kind of electromagnetic door lock (100), including door lock box (109), door lock box (109) have bottom, comprising: mounting groove
(102), it is located at the side of the door lock box (109);
The two sides of cam (108), the cam (108) are extended camshaft (217,214), the camshaft (217,
214) it is mounted in the mounting groove (102), so that the cam (108) can be by the camshaft (217,214) along convex
The axis of wheel shaft (217,214) rotates;The lower part of the cam (108) is equipped with door lock hook (320), for receiving gate stop (410);
The cam (108) is equipped with a spring arm (210) in door lock hook (320) side, in spring arm (210) and the door lock box
(109) elastomeric element is equipped between bottom, elastomeric element is used to provide elastic force to the cam (108);The cam
(108) slider arm (213) are equipped in door lock hook (320) other side;
Locking sliding block (240) is arranged in parallel with the bottom of the door lock box (109), and the locking sliding block (240) is close
The side of cam (108) is equipped with receiving slit (242), and receiving slit (242) is for accommodating gate stop (410), in the receiving slit (242)
Side is equipped with inclined-plane (241);
Slider arm (213) is contacted with the inclined-plane (241), when the cam (108) makes rotating motion along a first direction
When, slider arm (213) pushes the inclined-plane (241) that the locking sliding block (240) are moved far from the cam (108).
The bottom of electromagnetic door lock (100) as previously described, the locking sliding block (240) and the door lock box (109) is flat
Row setting, locking sliding block (240) by the sliding block spring (262) that one end is equipped with are pushed closer to cam (108) and with cam (108)
Rotation moves back and forth;But when locking sliding block (240) is lockable motionless, cam (108) can not be moved.
Electromagnetic door lock (100) as previously described, the locking sliding block (240) have latched position and releasing position;
When the gate stop (410) is not inserted into receiving slit (242), the locking sliding block (240) is in releasing position;
When the gate stop (410) are inserted into receiving slit (242), the locking sliding block (240) is pushed dynamic by gate stop (410)
It is in the locked position.
There is bottom to be equipped with for the gate stop (410) for electromagnetic door lock (100) as previously described, the door lock box (109)
The door stop hole (110) of entrance;
On the outside of the door lock hook (320) of the cam (108) and the side wall of the door stop hole (110) be equipped with cambered surface (321,
322), the gate stop (410) side corresponding with round cambered surface (321) is equipped with gate stop inclined-plane (323);
When gate stop (410) insertion receiving slit (242) is interior, the cambered surface (321,322) and gate stop inclined-plane (323)
Cooperate, so that described push the locking sliding block (240) far from the movement of the cam (108) direction when gate stop (410) generate
Motive force (F1).
Electromagnetic door lock (100) as previously described, when the gate stop (410) is fully inserted into the receiving slit (242)
When, the gate stop inclined-plane (323) is staggered with the cambered surface (321,322), and gate stop (410) generates the motive force (F3) pushed and disappears
It loses, the sliding block spring (262) pushes the locking sliding block (240) to move to cam (108) side, when the locking sliding block
(240) latched position is moved to, the gate stop (410) and door lock hook (320), which are hung, closes.
Electromagnetic door lock (100) as previously described closes, the locking sliding block when gate stop (410) and door lock hook (320) are hung
(240) it when being in the locked position, locks the locking sliding block (240), cam (108) can not move, and gate stop (410) is by door lock
Hook (320) locks.
Electromagnetic door lock (100) as previously described, the elastomeric element are spring leaf (205), torsional spring or spring.
Electromagnetic door lock (100) as previously described, when locking sliding block is not lockable, external force pushes the gate stop (410)
When slipping from the door lock hook (320), the gate stop (410) pulls the door lock hook (320) of the lower part of the cam (108), gram
When taking the elastic force of the elastomeric element cam (108) being driven to make rotating motion along a first direction, slider arm (213) is pushed
The locking sliding block (240) moves far from the cam (108).
Electromagnetic door lock (100) as previously described, further includes:
Locking pin (230), with the closing of machinery equipment door, gate stop (410) is inserted into door lock hole (110), locking sliding block
(240) when being moved to latched position, locking pin (230) is moved to closed position by driving and locks the locking sliding block (240).
Electromagnetic door lock (100) as previously described, the locking sliding block (240) are arranged in the door lock box (109)
Portion;
The middle part of the locking sliding block (240) is equipped with sliding block lockhole (260), when locking sliding block (240) is moved to locking bit
When setting, locking pin (230) insertion sliding block lockhole (260) locking locking sliding block (240).
Electromagnetic door lock (100) as previously described, further includes:
Electromagnetic assembly (120) is released after being powered for machinery equipment and retracts locking pin (230), to lock and open
Lock slider (240).
Electromagnetic door lock (100) as previously described, the spring leaf (205) are in rugosity, and both ends are respectively equipped with pin
(221,222);
Spring arm (210) end is equipped with jack (224);The bottom of the door lock box (109) is equipped with hole (225);
The pin (221,222) at spring leaf (205) both ends is inserted into the jack (224) and hole (225) respectively
In, to fix the spring leaf (205) between spring arm (210) and bottom.
The second object of the present invention is to provide a kind of household electrical appliance, have previously described electromagnetic door lock (100).
Electromagnetic door lock of the invention enables the door of electric appliance when shutting using child safety mechanisms such as cam, lock sliders
It is pushed open from interior by children, guarantees the safety of children, structure is simple, easily manufactured and highly-safe.
Detailed description of the invention
Figure 1A is electromagnetic door lock reverse structure schematic of the present invention;
Figure 1B is electromagnetic door lock positive structure schematic of the present invention;
Fig. 2A is the schematic diagram of internal structure that electromagnetic door lock shown in Figure 1B has removed rear cover and electromagnetic assembly;
Fig. 2 B, which does not push down locking pin 230 for the electromagnetic assembly 120 in Fig. 2A, shows the structure that locking sliding block 240 locks
It is intended to;
Fig. 2 C is that locking pin 230 is pushed down the structural representation for locking locking sliding block 240 by the electromagnetic assembly 120 in Fig. 2A
Figure;
Fig. 3 A is the lock slider and flank of cam structural schematic diagram of electromagnetic door lock of the present invention;
Fig. 3 B is the lock slider and cam structure explosive view of electromagnetic door lock of the present invention;
Fig. 3 C is the structural schematic diagram of lock slider of the present invention;
Fig. 3 D is the schematic perspective view of cam of the present invention;
Fig. 4 A, 4B, 4C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is normally inserted into;
Fig. 5 A, 5B, 5C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is released from inside;
Fig. 6 A, 6B, 6C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is normally inserted into and is lockable.
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 " etc. describes various example features and element of the invention, but herein using these terms are merely for convenience of description
Purpose, the determination based on the example orientations shown in attached drawing.Since disclosed embodiment of this invention can be according to difference
Direction setting, so these indicate directions term be intended only as illustrate and should not be considered as limiting.In the conceived case,
Identical or similar appended drawing reference used in the present invention refers to identical component.
Figure 1A is electromagnetic door lock reverse structure schematic of the present invention;Figure 1B is electromagnetic door lock Facad structure of the present invention signal
Figure;
Figure 1A is the reverse side of electromagnetic door lock 100, and Figure 1B is the front of electromagnetic door lock 100.As shown in Figure 1A, electromagnetic door lock
100 include door lock box 109, there is rear cover 101 below;As shown in Figure 1B, electromagnetic door lock 100 includes rear cover 101, under rear cover 101
Face is door lock box 109.101 right part of rear cover is electromagnetic assembly 120 in Figure 1A, and reverse side has lock box cover 125 (see Figure 1B) lid
It closes, electromagnetic assembly 120 is for opening and closing door lock (being specifically shown in shown in Fig. 2 B and Fig. 2 C).109 door lock box of door lock box in Figure 1A
109 left sides are door lock hole 110, and door lock box 109 visits lock box 109 (inboard in figure) equipped with installation in 110 position bottom of door lock hole
Slot 102 is equipped with cam 108 inside mounting groove 102.108 door lock box 109 of cam can make the rotation of certain angle in mounting groove 102
Transhipment is dynamic.Gate stop 410 (see Fig. 4 A- Fig. 6 C) on the door of 110 face electrical equipment of door lock hole, when the door closes, gate stop 410
It is inserted into door lock hole 110, is matched with the door lock hook 320 (see Fig. 4 A- Fig. 6 C) on the cam 108 in door lock 100.
In Figure 1B, rear cover door lock box 109 is door lock box 109 below, and left side is that part is electromagnetic assembly 120, there is lock thereon
The lid of box cover 125 closes, and rear cover 101 is the reverse side in the door lock hole 110 in Figure 1A, removes electromagnetic assembly 120 and rear cover 101 is Fig. 2A
The structures such as cam 108, specific Fig. 2A.
Gate stop 410 of the invention is rotatable movable gate stop, be can elastic reset the door that electrical equipment is set
On.
Fig. 2A is the schematic diagram of internal structure that electromagnetic door lock shown in Figure 1B has removed rear cover and electromagnetic assembly;
As shown in Figure 2 A, after electromagnetic assembly 120 and rear cover 101 are opened, the internal structure of electromagnetic door lock 100 is shown,
Left side is 240 tail portion of lock slider and sliding block spring, and right side is children's safety lock construction (or locking structure) of the invention.Electricity
Magnetic assembly 120 is modular modular construction, and the child safety mechanisms on electromagnetic assembly 120 and right side are two independent structures,
It is interacted between the two by lock slider 240, electromagnetic assembly 120 can be separately fabricated, designs the lock slider of different structure
240 cooperate with locking structure.A kind of its specific structure of embodiment is described in detail by Fig. 2 B-2C, but locking therein is slided
It is slightly different in 240 structure of block and Fig. 2A, principle is identical with working method.Child safety mechanisms include cam 108,
Lock slider 240, spring leaf 205 etc..The bottom of door lock box 109 offers mounting groove 102 in right part, mounting groove 102
Opening is door lock hole 110, is used to accommodate cam 108 in mounting groove 102.Camshaft 217,214 is extended in 108 two sides of cam, convex
Wheel shaft 217,214 is erected at two lateral edges of mounting groove 102, and along camshaft 217,214, cam 108 can do certain angle
Rotation;108 top of cam is respectively equipped with spring arm 210 and slider arm 213 in the two sides of camshaft 217,214;Lock slider
240 are equipped with receiving slit 242 close to one end of cam, and receiving slit 242 is cube structure, towards it is inboard be equipped with opening 311 (see
Fig. 3 C), opening 311 is inserted for gate stop 410, and receiving slit 242 is arranged between spring arm 210 and slider arm 213, outside
Wall side is equipped with inclined-plane 241, inclined-plane 241 and slider arm 213 to cooperation.Lock slider 240 is equipped with far from one end of cam 108
Sliding block spring 262 applies thrust reversed on the right side of into figure away from cam 108 to lock slider 240.Spring arm 210
The spring leaf 205 of bending is equipped between 109 bottom of door lock box, the elastic force that spring leaf 205 provides is as shown in Figure 3A, in fact,
For being spring leaf 205, other elastomeric elements such as torsional spring, spring can serve the same role the embodiment of the present invention, make
With in the setting of different elastomeric elements, it is appropriate to carry out the structure that elastomeric element is engaged on 109 bottom of spring arm 210 and door lock box
Change, engages the elastomeric element to facilitate.The structure of 240 lower section of cam 108 and lock slider is as shown in Fig. 3 A, 3B, 3D.
Fig. 2 B, which does not push down locking pin 230 for the electromagnetic assembly 120 in Fig. 2A, shows the structure that locking sliding block 240 locks
It is intended to (door lock box 109, the holder parts such as lock box cover 125 are hidden);
Electromagnetic assembly 120 further includes the guide post 255 and sideslip slot 256 on pen core lock frame 212, illustrates electromagnetism of the invention
Door 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 locks frame 212
On guide post 255 limited by the cell wall 258 of sideslip slot 256, even if pressing the switch button of door lock, electromagnetic coil 220 is applied
Add driving signal, pen core locks frame 212 can not be mobile along the direction arrow A (i.e. its axis direction), this is machine of the invention
Tool formula sensing device, when door does not lock, the cell wall 258 on sliding block of the invention (locking sliding block) 240 keeps off guide post 255
Firmly, it cannot also start electric appliance even if pressing the functioning switch of electric appliance, prevent the electromagnetic door lock of electrical equipment from occurring in use
Malfunction, can additionally prevent electromagnetic door lock to be in abnormal state during transportation.
Fig. 2 C is that locking pin 230 is pushed down the structural schematic diagram for locking locking sliding block 240 by the electromagnetic assembly 120 in Fig. 2A
(door lock box 109, the holder parts such as lock box cover 125 are hidden);
Fig. 2 C shows that electromagnetic door lock 100 of the invention is in the locked position.As shown in Figure 2 C, when door has been shut, locking is slided
Block 240 is pulled to latched position, and the sliding block lockhole 260 on locking sliding block 240 is aligned with locking pin 230;Pen core locks frame simultaneously
Guide post 255 on 212 is aligned with vertical slot on sliding slot 256.At this point, as long as electromagnetic coil 220 receives driving signal, (such as pulse is believed
Number), it is mobile along the direction arrow A (i.e. its axis direction) that pen core lock frame 212 can be dragged.After pen core lock frame 212 is removed, by
Frame 212 is locked in pen core and locking sliding block 240 has all cancelled the limitation of locking pin 230, therefore locking pin 230 is in elastic slice 218
Elastic force effect under move down (as shown by arrow A) and be inserted into the sliding block lockhole 260 of locking sliding block 240.As shown in Figure 2 C,
When guide post 255 is aligned with vertical slot on sliding slot 256, pen core lock frame 212 can be moved back and forth along the direction arrow A, locking sliding block 240
It can be moved back and forth along the direction arrow B, locking pin 230 is moved back and forth along the direction arrow C, any two sides in these three moving directions
To mutually orthogonal or mutually different.In fact, 120 part of electromagnetic assembly shown in Fig. 2 B- Fig. 2 C more specifically describes to see application number
For 201210072421.6 Chinese patent prospectus, which is all referred in the application, for the present invention
Electromagnetic assembly be one of specific embodiment.
Fig. 3 A is the lock slider and flank of cam structural schematic diagram of electromagnetic door lock of the present invention;
As shown in Figure 3A, the setting parallel with the bottom of door lock box 109 of lock slider 240 be in door lock box 109, and the bottom of at
It slidably reciprocates in portion, left side is equipped with the thrust of sliding block spring 262 (see Fig. 3 B) offer to the right, against in the convex of right side
On wheel 108.One end of cam 108 is equipped with spring arm 210, stationary spring 205 between spring arm 210 and bottom, spring leaf 205
In rugosity, both ends are respectively equipped with pin 221,222, and 210 end of spring arm is equipped with jack 224;The bottom of door lock box 109 is equipped with
Hole;The pin 221,222 at 205 both ends of spring leaf is inserted into jack 224 and hole respectively, when cam 108 is pushed by driving force
First direction rotation (counterclockwise) in figure to be done is that spring leaf 205 provides the thrust F1 in the direction F1 in figure to spring arm 210,
When driving force is greater than F1, cam 108 can do the rotation of first direction A (counter clockwise direction).
In figure, the side wall of the door stop hole 110 of the bottom of door lock box 109 is equipped with cambered surface 322, the door lock hook of 108 lower part of cam
320 are equipped with the cambered surface 321 with 322 curve of cambered surface always, and it is oblique that the side corresponding with round cambered surface 321 of gate stop 410 is equipped with gate stop
Face 323 (see Fig. 4 A).
Fig. 3 B is the sliding block and cam structure explosive view of electromagnetic door lock of the present invention;
It can be seen that lock slider 240, sliding block spring 262, spring leaf 205 and cam 108 in Fig. 3 B.Lock slider 240
Middle part be equipped with a sliding block lockhole 260, as shown in Fig. 2 B-2C, when locking sliding block 240 is moved to latched position, locking pin 230
Insertion sliding block lockhole 260 is for locking locking sliding block 240.Sliding block spring 262 is arranged in 240 left end of lock slider, for providing
Thrust to the right.The left end of lock slider 240 is receiving slit 242, and receiving slit 242 is cube structure, is opened towards inboard be equipped with
(see Fig. 3 C, in fact, its top can also be equipped with the opening of hollow out, as dashed lines 243 indicate mouth 311.Receiving slit 242
Opening lower section is just located at the top of door lock hook 320.Inclined-plane 241 is equipped in the side wall of receiving slit 242.The two sides of cam 108 are to prolong
The camshaft 217,214 of stretching, camshaft 217,214 is mounted in mounting groove 102, so that the cam 108 can be along cam
The axis (B-B) of axis 217,214 rotates;It is door lock hook 320 below the middle part of cam 108, cam 108 is in 320 side of door lock hook
For spring arm 210 above-mentioned, spring leaf 205 as also shown is rugosity, and both ends are respectively equipped with pin 221,222;Spring arm
210 ends are equipped with jack 224;The bottom of the door lock box 109 is equipped with hole (not shown).Pin 221,222 is inserted respectively
In jack 224 and hole.Cam 108 is equipped with a slider arm 213, slider arm 213 and inclined-plane 241 in 320 other side of door lock hook
Contact, when the cam 108 makes rotating motion along first direction shown in Fig. 3 A, slider arm 213 pushes inclined-plane 241 to make
Locking sliding block 240 is obtained to move far from cam 108.
In addition, in figure 3b as can be seen that 240 main body of lock slider is set to the lower center position of door lock box 109, sliding block
Lockhole 260 is rising in the middle part of main body, and the side of lock slider 240 is equipped with the blocking arm 270 with skewed slot, in function and Fig. 2 B-2C
The cell wall 258 of sideslip slot 256 is identical, for sensing and limiting the guide post 255 in Fig. 2 B-2C on pen core lock frame 212, phase
Interaction constitutes mechanical mutual-inductance apparatus of the invention.
Fig. 3 C is the structural schematic diagram of lock slider 240 of the present invention;
It is the sectional view of lock slider 240 shown in Fig. 3 C, can goes out in figure, the receiving slit of the left end of lock slider 240
242, receiving slit 242 is cube structure, and side is opening 311 downward, and be open 311 openings towards door stop hole 110,
For being inserted into gate stop 410 and the head of gate stop 410 being contained in receiving slit 242.When the head of gate stop 410 is inserted into receiving slit
When 242, leftward or rightward active force can be generated to the inside of receiving slit 242, make lock slider 240 together to the right or to
The dynamic movement in a left side.
Fig. 3 D is the schematic perspective view of cam of the present invention;
As shown in Figure 3D, the two sides of cam 108 are the camshaft 217,214 extended, and cam 108 can be along axis B-
The rotation of B line, the middle part lower section of cam 108 are door lock hook 320, and cam 108 is spring arm 210, the other side in 320 side of door lock hook
Equipped with a slider arm 213, spring arm 210, slider arm 213 plane and door lock hook 320 plane it is in a certain angle, door lock hook
320 by gate stop 410 drive rotate when, spring arm 210 and slider arm 213 rotate simultaneously.The lower outer of door lock hook 320 is cambered surface
321, slanting motive force can be generated to the gate stop 410 in insertion.
Fig. 4 A, 4B, 4C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is normally inserted into;
First as shown in Figure 4 A, lock slider 240 is in releasing position, the opening 311 and door stop hole 110 of dump tank 242
Entrance to alignment.The door (not shown) of electric appliance is equipped with gate stop 410, and gate stop 410 is inserted into door lock hole 110 and electric
The door of the locking of magnetic gate lock and electric appliance is lockable.Gate stop 410 is equipped with gate stop inclined-plane 323,320 outside of door lock hook and door stop hole 110
Side wall is equipped with the consistent cambered surface 321 and 322 of curve;When insertion, the elasticity setting of gate stop 410 is so that the lateral deviation to the right of gate stop 410
Turn, gate stop inclined-plane 323 is in contact with cambered surface 321,322.
As shown in Figure 4 B, when insertion, the interaction on gate stop inclined-plane 323 and cambered surface 321,322, so that cambered surface 321,322
It generates and gate stop 410 is pushed to deflect to the left, when the left end of gate stop 410 touches the inner left wall of dump tank 242, generation is pushed away
The motive force F2 of dynamic lock slider 240 Slideslip to the left, as shown, gate stop 410 continues into dump tank 242 at this time,
The hook inclined-plane 323 of gate stop 410 is mutually disengaged with cambered surface 321,322, and motive force F2 disappears, wherein the direction F2 such as arrow institute in figure
Show.
As shown in Figure 4 C, when gate stop 410 motive force F2 disappear, locking sliding block 240 under the promotion of sliding block spring 262 to
Cam 108 is mobile, while the gate stop 410 in dump tank 242 being driven to be moved to latched position to the right, hangs gate stop 410 and closes
On the door lock hook 320 of cam 108, completes gate stop 410 and be normally inserted into and hang conjunction, door is finally closed but the situation that do not lock is Fig. 4 C
It is shown.
Fig. 5 A, 5B, 5C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is released from inside;
It is shut as shown in Figure 5A for the identical situation, that is, door of Fig. 4 C, gate stop 410 and door lock hook 320 are hung and closed, locking sliding block 240
It is in the locked position, but is not locked out the latching of pin 230, lock slider 240 can also slide.If thering are children to set in electric appliance at this time
Standby interior, the door of electric appliance is in close state, and children are required to push out the door and be unlikely to can not with less big from the back side
It pushes open and locks and cause danger in inboard.But when children firmly push from the back side, gate stop 410 obtains a downward thrust F3 and drives
Gate stop 410 is moved downward, band moving cam 108 is intended to and does anticlockwise rotation.
As shown in Figure 5 B, cam 108 is intended to do anticlockwise rotation, sliding because spring arm 210 is supported by spring leaf 205
Block arm 213 is stopped by inclined-plane 241, and cam 108 need to overcome the elastic force of spring leaf 205 and the elastic force of sliding block spring 262 that could turn
It is dynamic, when thrust F3 reach be enough to overcome spring leaf 205 elastic force and sliding block spring 262 elastic force when, cam 108 does certain angle
The rotation counterclockwise of degree, gate stop 410 and door lock hook 320 slip at this time, lock slider 240 under the promotion of slider arm 213 to the left
Side is mobile.
As shown in Figure 5 C, gate stop 410 is skidded off out of door stop hole 110, because gate stop 410 is flexible setting, still
It is to be skidded off along cambered surface 321,322.After gate stop 410 and door lock hook 320 slip, lock slider 240 is pushed away in sliding block spring 262
It can be moved under the action of power, and band moving cam 108 bounces back into position shown in Fig. 4 A together with the elastic force of spring leaf 205.
Fig. 6 A, 6B, 6C are the situation schematic diagram that electromagnetic door lock gate stop of the present invention is normally inserted into and is lockable.
Process shown in Fig. 6 A, 6B is identical with shown in Fig. 4 A, 4B, 4C, but when electric appliance needs to be powered running, it is necessary to
Appliance door is lockked completely, needs that locking pin 230 is driven to be inserted into lock hole 260 at this time.When as shown in Figure 6B: when gate stop 410 is hung
It closes on the door lock hook 320 of cam 108, lock slider 240 is in the locked position, and starts the power supply of electric appliance, and electromagnetic assembly 120 drives
Dynamic locking pin 230 moves downward, and is inserted into the lock hole 260 of lock slider 240, as shown in Figure 6 C, lock slider at this time
240 can not move, and cam 108 is also fixed, and the door of electric appliance can not be opened pulling door lock 410, electric appliance can be safe
Operation.
The thing needed to add explanation, child safety mechanisms of the invention include that plastic part manufacture can be used in cam 108 etc.,
Manufacturing cost is lower, and the electromagnetic door lock of one's duty invention can provide 40N or so to power to lock door lock, guarantees the safety fortune of equipment
Row, children can push door lock open using the power of 50N or so from the back side, and child is made also to open door lock from inside and escape.
Outside, which rotates gate stop by door handle using the power of 20N or so, to open the door.
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, electromagnetic door lock of the invention and electric appliance can be there are many versions.
Art technology those of ordinary skill will additionally appreciate different modes to change the ginseng in disclosed embodiment of this invention
Number is each fallen in the present invention and spirit and scope of the claims.
Claims (13)
1. a kind of electromagnetic door lock (100), including door lock box (109), the door lock box (109) has bottom, it is characterised in that institute
Stating electromagnetic door lock (100) includes:
Mounting groove (102), the mounting groove (102) are located at the side of the bottom of the door lock box (109);
The two sides of cam (108), the cam (108) are extended camshaft (217,214), camshaft (217, the 214) peace
In the mounting groove (102), so that the cam (108) can be by the camshaft (217,214) along the cam
The axis of axis (217,214) rotates;The lower part of the cam (108) is equipped with door lock hook (320), for receiving gate stop (410);Institute
It states cam (108) and is equipped with spring arm (210) in the side of the door lock hook (320), in the spring arm (210) and the door lock
Elastomeric element is equipped between the bottom of box (109), the elastomeric element is used to provide elastic force to the cam (108);Institute
It states cam (108) and is equipped with slider arm (213) in the other side of the door lock hook (320);
The bottom of locking sliding block (240), the locking sliding block (240) and the door lock box (109) is arranged in parallel, the lock
Tight sliding block (240) is equipped with receiving slit (242) close to the side of the cam (108), and the receiving slit (242) is described for accommodating
Gate stop (410) is equipped with inclined-plane (241) in the side of the receiving slit (242);
Wherein the slider arm (213) contacts with the inclined-plane (241), rotates when the cam (108) is done along a first direction
When movement, the slider arm (213) pushes the inclined-plane (241) to make the locking sliding block (240) far from the cam (108)
Movement.
2. electromagnetic door lock (100) as described in claim 1, it is characterised in that:
The bottom of the locking sliding block (240) and the door lock box (109) is arranged in parallel, locking sliding block (240) quilt
The sliding block spring (262) that one end is equipped with is pushed closer to the cam (108) and as the cam (108) rotation moves back and forth;
But when the locking sliding block (240) is lockable motionless, the cam (108) can not be moved.
3. electromagnetic door lock (100) as described in claim 1, it is characterised in that:
The locking sliding block (240) has latched position and releasing position;
When the gate stop (410) is not inserted into the receiving slit (242), the locking sliding block (240) is in the releasing position;
When the gate stop (410) are inserted into receiving slit (242), the locking sliding block (240) is pushed by the gate stop (410)
In the latched position.
4. electromagnetic door lock (100) as claimed in claim 2, it is characterised in that:
There is the door lock box (109) bottom to be equipped with the door stop hole (110) entered for the gate stop (410);
The outside of the door lock hook (320) of the cam (108) is equipped with cambered surface (321), and the side wall of the door stop hole (110) is set
Have cambered surface (322), the gate stop (410) side corresponding with the cambered surface (321) of the door lock hook (320) is equipped with gate stop
Inclined-plane (323);
When the gate stop (410) insertion receiving slit (242) is interior, the cambered surface (321) of the door lock hook (320) and institute
The cambered surface (322) and the gate stop inclined-plane (323) for stating door stop hole (110) cooperate, so that the gate stop (410) generates promotion
The locking sliding block (240) motive force mobile far from the cam (108) direction.
5. electromagnetic door lock (100) as claimed in claim 4, it is characterised in that:
When the gate stop (410) be fully inserted into the receiving slit (242) it is interior when, the gate stop inclined-plane (323) and the door lock hook
(320) cambered surface (322) of the cambered surface (321) and the door stop hole (110) is staggered, and the gate stop (410) generates and pushes away
Dynamic motive force disappears, and the sliding block spring (262) pushes locking sliding block (240) Xiang Suoshu cam (108) the side movement,
When the locking sliding block (240) moves to latched position, the gate stop (410) and the door lock hook (320), which are hung, is closed.
6. electromagnetic door lock (100) as claimed in claim 4, it is characterised in that:
It hangs and closes when the gate stop (410) and the door lock hook (320), when the locking sliding block (240) is in the locked position, lock
The locking sliding block (240), the cam (108) can not move, and the gate stop (410) is lockked by the door lock hook (320).
7. electromagnetic door lock (100) as claimed in claim 3, it is characterised in that:
The elastomeric element is spring leaf (205), torsional spring or spring.
8. electromagnetic door lock (100) as claimed in claim 3, it is characterised in that:
When the locking sliding block is not lockable, when external force pushes the gate stop (410) to slip from the door lock hook (320), institute
The door lock hook (320) that gate stop (410) pull the lower part of the cam (108) is stated, the elastic band of the elastomeric element is overcome
When moving the cam (108) and making rotating motion along the first direction, the slider arm (213) pushes the locking sliding block
(240) it is moved far from the cam (108).
9. electromagnetic door lock (100) as claimed in claim 4, it is characterised in that the electromagnetic door lock (100) further include:
Locking pin (230), with the closing of machinery equipment door, the gate stop (410) is inserted into the door stop hole (110), described
When locking sliding block (240) is moved to latched position, the locking pin (230) is moved to closed position by driving and locks the lock
Tight sliding block (240).
10. electromagnetic door lock (100) as claimed in claim 9, it is characterised in that:
The locking sliding block (240) is arranged at the middle part of the door lock box (109);
The middle part of the locking sliding block (240) is equipped with sliding block lockhole (260), when the locking sliding block (240) is moved to locking bit
When setting, the locking pin (230) is inserted into the sliding block lockhole (260) and locks the locking sliding block (240).
11. electromagnetic door lock (100) according to claim 10, it is characterised in that the electromagnetic door lock (100) further include:
Electromagnetic assembly (120), the electromagnetic assembly (120) are released after being powered for machinery equipment and retract the locking pin
(230), to lock and open the lock slider (240).
12. electromagnetic door lock (100) as claimed in claim 7, it is characterised in that:
The spring leaf (205) is in rugosity, and both ends are respectively equipped with pin (221,222);
The end of the spring arm (210) is equipped with jack (224);The bottom of the door lock box (109) is equipped with hole;
The pin (221,222) at spring leaf (205) both ends is inserted into respectively in the jack (224) and described hole,
To fix the spring leaf (205) between the spring arm (210) and the bottom.
13. a kind of electric appliance, it is characterised in that: use the electromagnetic door lock (100) of any of claims 1-10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510811539.XA CN106760962B (en) | 2015-11-20 | 2015-11-20 | Electromagnetic door lock and electric appliance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510811539.XA CN106760962B (en) | 2015-11-20 | 2015-11-20 | Electromagnetic door lock and electric appliance |
Publications (2)
Publication Number | Publication Date |
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CN106760962A CN106760962A (en) | 2017-05-31 |
CN106760962B true CN106760962B (en) | 2019-04-26 |
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CN201510811539.XA Expired - Fee Related CN106760962B (en) | 2015-11-20 | 2015-11-20 | Electromagnetic door lock and electric appliance |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104746303A (en) * | 2013-12-27 | 2015-07-01 | 伊利诺斯工具制品有限公司 | Door lock |
CN104805645A (en) * | 2014-01-27 | 2015-07-29 | 温州天健电器有限公司 | Washing machine door lock |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20120469A1 (en) * | 2012-05-30 | 2013-12-01 | Illinois Tool Works | ELECTROMAGNETIC DOOR LOCK |
KR101463514B1 (en) * | 2013-01-31 | 2014-11-20 | 두얼메카닉스 주식회사 | Door-lock Apparatus of Push and Push |
-
2015
- 2015-11-20 CN CN201510811539.XA patent/CN106760962B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104746303A (en) * | 2013-12-27 | 2015-07-01 | 伊利诺斯工具制品有限公司 | Door lock |
CN104805645A (en) * | 2014-01-27 | 2015-07-29 | 温州天健电器有限公司 | Washing machine door lock |
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