CN109322555A - A kind of electric appliance door interlock switch - Google Patents
A kind of electric appliance door interlock switch Download PDFInfo
- Publication number
- CN109322555A CN109322555A CN201811424220.1A CN201811424220A CN109322555A CN 109322555 A CN109322555 A CN 109322555A CN 201811424220 A CN201811424220 A CN 201811424220A CN 109322555 A CN109322555 A CN 109322555A
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- Prior art keywords
- lock
- drive block
- slide
- shell
- scotch
- Prior art date
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- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- 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
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Push-Button Switches (AREA)
Abstract
The drawbacks of present invention is prone to wear for the brake silpper inside the electric appliance door interlock switch for inserting driving realization automatically lock by door in the prior art, a kind of electric appliance door interlock switch is provided, belong to electrical accessorie technical field, including shell, shell is equipped with the fore shaft for the door lock insertion on appliance door；Door lock hook, lock slide, scotch, drive block, driving device are equipped in shell, the door lock hook housing is located at the interior position corresponding with fore shaft of shell and can rotate in a circumferential direction and toggles between locked state and unlocking condition, door lock hook is equipped with the driving curved surface with difference in height, is also connected with torsional spring on door lock hook；The one end of scotch is adjustable side, and the other end is locking end, and the adjustable side that driving scotch is connected on scotch is tightly attached to the scotch spring driven on curved surface always, and the locking end can prevent drive block from sliding.In the present invention scotch abrasion it is smaller, stroke is easy to control, can manual unlocking, and have good waterproof performance.
Description
Technical field
The invention belongs to electrical accessorie technical fields, and in particular to a kind of electric appliance door interlock switch.
Background technique
The door lock of electric appliance plays a crucial role in electric appliance, when electric appliance works normally, in order to guarantee safety, needs
The working space inside electric appliance is wanted to become the electric appliances such as enclosure space, especially washing machine, dish-washing machine, if door is arbitrarily beaten when work
It opens, not only extraneous sundries damages electric appliance possibly into electric appliance inside, it is also possible to accidentally touch work inside electric appliance
The people for making component brings danger, causes unnecessary harm, and if the door lock of electric appliance can not guarantee to lock in normal work,
It will also result in the working space that flies out of the article inside electric appliance to bring so that seriously affecting the product quality of electric appliance to normal use
It is greatly inconvenient.
In view of the above-mentioned problems, people devise various electric appliance door locks, for promoting the safety coefficient of electric appliance, so that
When electrical work door can automatically lock, can not be opened from inside, and after door external opening, electric appliance can stop working in time.
But in existing electric appliance door interlock switch, automatically lock usually passes through door and inserts driving, pushes braking again after inserting insertion lock by door
Sliding block, and the wider width that door is slotting, the stroke of brake silpper is too big, and stroke is uncontrollable, and door is inserted rough, is prone to wear
Brake silpper causes the shortening of electric appliance door interlock switch service life.
Summary of the invention
The present invention is sliding for the braking inside the electric appliance door interlock switch for inserting driving realization automatically lock by door in the prior art
The drawbacks of block is prone to wear provides a kind of electric appliance door interlock switch, which changes the mode for realizing automatically lock,
It can be reduced the abrasion of scotch, to prolong the service life.
Goal of the invention of the invention is achieved through the following technical solutions:
A kind of electric appliance door interlock switch, comprising:
Shell, shell are equipped with the fore shaft for the door lock insertion on appliance door；
Door lock hook is erected at position corresponding with fore shaft in shell and can rotate in a circumferential direction to come between locked state and unlocking condition
Switchback is changed, and door lock hook is equipped with the driving curved surface with difference in height, is also connected on door lock hook and is pushed door lock hook from locked state
It is switched on the torsional spring of lock status；；
Lock slide is arranged in shell and can move closer on the length direction of lock slide or slide back and forth far from door lock hook
Dynamic, when lock slide one end is resisted against on door lock hook, lock slide can carry out locking prevention door lock hook rotation by latch hook on the door；
Scotch is arranged in shell, and the one end of scotch is adjustable side, and the other end is locking end, is connected on scotch
There is the adjustable side of driving scotch to be tightly attached to the scotch spring on the driving curved surface always；
Drive block is arranged in shell and can slidably reciprocate on the length direction of drive block, can drive when drive block slidably reciprocates
It moves the lock slide to slidably reciprocate on the length direction of lock slide, the drive block is equipped with limited mouth, the scotch
Locking end can be embedded in limited mouth and drive block is prevented to slidably reciprocate；When the door lock hook is switched to locked state from unlocking condition
When, the adjustable side of the scotch spring driving scotch is mobile from driving higher one end of curved surface to lower one end, simultaneously
The locking end of scotch progressively disengages the limited mouth；
Driving device slidably reciprocates for controlling drive block.
In above scheme, when electric appliance door lock is not inserted into the fore shaft of shell, torsional spring makes the opening of door lock hook towards outside fore shaft
The locking end of side, scotch is embedded in the limited mouth of drive block, and drive block is in locking state and can not slide, lock slide and door lock
Hook separation, is at this time the unlocking condition of the electric appliance door interlock switch.When by the fore shaft of the door lock insertion shell of electric appliance, door lock hook meeting
Circumferentially rotate and catch on door lock, in this course, the adjustable side of scotch spring driving scotch from driving curved surface compared with
High one end is mobile to lower one end, while the locking end of scotch progressively disengages the limited mouth；Drive block unlocks at this time,
Driving device can control drive block sliding, so that lock slide be driven to slide towards door lock hook until lock slide one end is resisted against door lock
It prevents door lock hook from circumferentially rotating on hook, is at this time the locked state of the electric appliance door interlock switch.The electric appliance door interlock switch is in unlocking shape
When switching between state and locked state, the locking end for being acted on scotch by scotch spring is bent with the driving of door lock hook always
Face contact pushes scotch by driving curved surface, and in this course, scotch inserts driving without other door, so can subtract
The abrasion of small scotch, to prolong the service life.Meanwhile the stroke of scotch is determined by the rotational angle of door lock hook, and
When the electric appliance door interlock switch switches between unlocking condition and locked state, the rotational angle of door lock hook is identical, so being easier
Control the stroke of scotch.
Preferably, the length direction of the lock slide is vertical with the length direction of drive block, lock slide and drive block it
Between be equipped with transmission mechanism, which includes the guide rail being arranged on lock slide or on drive block and is fixed at driving
Sliding guide post on block or lock slide, the guide rail is by relative to the inclined bar shaped skewed slot of lock slide length direction and and drive block
The parallel straight trough composition of length direction, shape forms an angle between bar shaped skewed slot and the length direction of lock slide, and the sliding is led
Column is cylindrical structure, and sliding guide post is arranged on guide rail and can slide along guide rail.Bar shaped skewed slot is sliding for controlling lock slide
Pan position, straight trough is for positioning lock slide home position.When the drive block is mobile towards the lock slide, the sliding is led
Column pushes lock slide to slide towards door lock hook, and when drive block is mobile back to lock slide, sliding guide post pushes the lock slide remote
From door lock hook.Preferably, the angle between bar shaped skewed slot and the length direction of lock slide is 45 °, such setting makes to drive
Block is equal to lock slide in the distance of length side's upward sliding, as long as control driving in the distance of length side's upward sliding
The sliding stroke of block is equivalent to the sliding stroke of control lock slide, to be easier to control the electric appliance door interlock switch in locking shape
Switch between state and unlocking condition.
Preferably, the driving device includes that drive block can be pushed to the drive block spring of lock slide and be used to pull
The electromagnet that drive block is slided back to lock slide, electromagnet include coil and iron core, and the main part setting of the iron core is online
In circle, the outer end of iron core is fixedly connected with drive block.In the technical scheme, keep the locking end of scotch de- in the rotation of door lock hook
When from the limited mouth of drive block, drive block spring can push drive block to lock slide automatically, and drive block drives lock slide again
Forcing lock slide one end to be resisted against on door lock hook towards the movement of door lock hook prevents door lock hook from circumferentially rotating, to realize latch hook on the door
Locking, so that the electric appliance door interlock switch is in locked state, can be realized the function of automatically lock.Need to only it pass through when needing to unlock
Electromagnet pull drive block back to lock slide slide, lock slide can be driven to separate with door lock hook, make the electric appliance door interlock switch from
Locked state is switched to unlocking condition.
Preferably, further including the sensing device for incuding drive block position.The sensing device is microswitch, institute
It states and is fixed with ramp projections on drive block, when drive block drives the lock slide locking door latch hook, the ramp projections are touched
On the drive rod for contacting the microswitch.The contact spacing of microswitch is small, have actuating length it is short, by power is small, on-off
The advantages that rapid.Because part electric appliance needs to contact with water, such as washing machine, the microswitch selects waterproof micro switch.
Preferably, the drive block is equipped with lock groove, elastic bayonet lock, elastic bayonet lock one end and shell are equipped in shell
It is fixedly connected and can be rotated, the other end of elastic bayonet lock is caught in lock groove and can slide in lock groove, in the lock groove
It is additionally provided with the locking locating piece being caught in for elastic bayonet lock.
Preferably, being equipped with the spring leaf for preventing elastic bayonet lock to be detached from lock groove in the shell.
Preferably, the fore shaft position is fixed with collision mat.Collision mat can prevent water from entering the electricity from fore shaft position
Device door interlock switch.
Preferably, being respectively formed slide-in conduit between the locking locating piece and the two sidewalls of lock groove and skidding off slot
Road, the locking locating piece are equipped with arc-shaped locking recess towards one end of the lock slide, are fixed in the lock groove
The side that locking locating piece is equipped with locking recess is arranged in bootstrap block, bootstrap block, is formed and is supplied between bootstrap block and locking recess
The guiding channel that elastic bayonet lock passes through, the both ends of the guiding channel respectively with slide into conduit and skid off conduit and be connected to, the locking is recessed
Mouth and slide-in conduit are located at the same side of elastic bayonet lock equilbrium position line, skid off conduit and are located at the another of elastic bayonet lock equilbrium position line
Side, elastic bayonet lock can enter in guiding channel from the upper end for sliding into conduit under own resilient effect or from skidding off conduit
Lower end transits to below locking locating piece；The locking locating piece has inclined surface, the inclined surface towards the side for sliding into conduit
High order end and low order end respectively with guiding channel and skid off conduit and be connected to, the bootstrap block is blocked in elastic bayonet lock from sliding into conduit
On the horizontal transition to the motion path for skidding off conduit of upper end, bootstrap block is equipped with lead-in chamfered towards the side for skidding off conduit.At this
When electric appliance door interlock switch is switched to unlocking condition from locked state, one end that elastic bayonet lock is embedded in lock groove slides into from conduit is slid into
Guiding channel, because drive block spring can push drive block towards lock slide, so elastic bayonet lock can be stuck in locking recess,
The electric appliance door interlock switch is set to keep unlocking condition, when electric appliance door interlock switch is switched to locked state from unlocking condition, elastic card
One end of pin insertion lock groove slides into and out conduit from guiding channel, and then under the action of drive block spring, elastic bayonet lock is embedding
The one end for entering lock groove slides into the junction for skidding off conduit and sliding into conduit from conduit is skidded off, and keeps the electric appliance door interlock switch
In locked state.
Preferably, the unlock rod that drive block can be driven to slide back to lock slide is additionally provided on the shell, unlock rod
Main part is located in shell, and one end of unlock rod is stretched out outside shell, the lead-in chamfered from close to skid off the end of conduit to
End close to locking recess successively includes the first lead-in chamfered and the second lead-in chamfered, and the first lead-in chamfered and the second guidance are oblique
The length direction angulation of arc transition between face, first lead-in chamfered and drive block is greater than the second lead-in chamfered and drives
The length direction angulation of motion block.The unlock spring for pushing unlock rod into shell is connected on the unlock rod.In electricity
In the use process of device, it is possible that the situations such as power-off, can not open the electric appliance door interlock switch by electromagnet at this time
Lock can pull unlock rod that drive block sliding is driven to unlock at this time, and elastic bayonet lock slides into guiding channel from conduit is slid at this time
It is interior until elastic bayonet lock insertion locking recess in.If pulling unlock rod again, elastic bayonet lock can be from locking recess to skidding off slot
Road direction is moved, and elastic bayonet lock can be close to lead-in chamfered successively into the second lead-in chamfered and the first lead-in chamfered is crossed, actually at this time
In production, because space limits, range difference of the convex portion of locking recess two sides in drive block length direction on locking locating piece
Between only 0.8-1.2mm, unlock rod is pulled to be easy that elastic bayonet lock is made to skid off slot from the entrance of the locking recess of guiding channel again
The length direction angulation of first lead-in chamfered and drive block is greater than the second lead-in chamfered and driving in this application by road
The length direction angulation of block, thus when elastic bayonet lock is moved to the first lead-in chamfered from the second lead-in chamfered unlock rod by
Resistance can become larger, so needing bigger pulling force ability stretchy unlock rod, lock of the elastic bayonet lock from guiding channel can be increased
Determine the disengaging difficulty of recess, user can experience this process at this time, user can be reminded to stop drag unlock rod, avoided
Elastic bayonet lock enters from the locking recess of guiding channel skids off conduit, to avoid again locking the electric appliance door interlock switch.
Preferably, being fixed with the first protrusion on the drive block, the unlock rod is located at the intracorporal main part of shell
On be fixed with the second protrusion with the cooperation of the first protrusion, limited block is equipped in the shell, is additionally provided with and limits on unlock rod
The confined planes that block is used cooperatively.The stroke that unlock rod is limited by the first protrusion and the second protrusion avoids excessively pulling unlock
Bar.
Compared with prior art, the invention has the following advantages:
1, the stroke of scotch of the invention is determined by the rotational angle of door lock hook, and in the electric appliance door interlock switch in unlocking condition
When switching between locked state, the rotational angle of door lock hook is identical, so being easier to control the stroke of scotch.
2, scotch is driven by the driving curved surface on door lock hook, driving is inserted without other door, so can reduce stop
The abrasion of block, to prolong the service life.
3, in the use process of electric appliance, it is possible that the situations such as power-off, it at this time can not be by electromagnet to the electric appliance
Door interlock switch is unlocked, and can pull unlock rod that drive block sliding is driven to unlock at this time, very convenient.
4, the fore shaft position of shell is equipped with collision mat, and collision mat can prevent water from opening from fore shaft position into the electric appliance door lock
It closes, makes the electric appliance door interlock switch that there is certain waterproof performance.
Detailed description of the invention
Fig. 1 is perspective view of the present invention；
Fig. 2 is schematic diagram of internal structure of the present invention；
Fig. 3 is internal structure top view；
Fig. 4 is drive block side view；
Fig. 5 is drive block top view；
Fig. 6 is lock slide top view；
Fig. 7 is unlock rod top view；
Marked in the figure: 1, shell, 2, fore shaft, 3, driving curved surface, 4, torsional spring, 5, door lock hook, 6, lock slide, 7, scotch, 8, drive
Motion block, 9, limited mouth, 10, driving device, 11, guide rail, 12, sliding guide post, 13, electromagnet, 14, coil, 15, iron core, 16, drive
Motion block spring, 17, sensing device, 18, ramp projections, 19, lock groove, 20, elastic bayonet lock, 21, locking locating piece, 22, spring
Piece, 23, slide into conduit, 24, skid off conduit, 25, locking recess, 26, bootstrap block, 27, guiding channel, 28, equilbrium position line,
29, inclined surface, the 30, first lead-in chamfered, the 31, second lead-in chamfered, 32, unlock rod, 33, unlock spring, the 34, first protrusion,
35, the second protrusion, 36, limited block, 37, confined planes, 38, collision mat, 39, middle section rectilinear slot, 40, branch slot, 41, bar shaped
Skewed slot, 42, straight trough.
Specific embodiment
The invention will be further described for represented embodiment with reference to the accompanying drawing:
Embodiment 1
As shown in figs. 1-7,
A kind of electric appliance door interlock switch characterized by comprising
Shell 1, shell 1 are equipped with the fore shaft 2 for the door lock insertion on appliance door；
Door lock hook 5, be erected in shell 1 position corresponding with fore shaft 2 and can rotate in a circumferential direction locked state and unlocking condition it
Between toggle, door lock hook 5 is equipped with the driving curved surface 3 with difference in height, be also connected on door lock hook 5 push door lock hook 5 from
Locked state is switched on the torsional spring 4 of lock status；；
Lock slide 6 is arranged in shell 1 and can move closer on the length direction of lock slide 6 or come far from door lock hook 5
Sliding is returned, when 6 one end of lock slide is resisted against on door lock hook 5, lock slide 6 can carry out 5 turns of door lock hook of locking prevention by latch hook 5 on the door
It is dynamic；
Scotch 7 is arranged in shell 1, and the one end of scotch 7 is adjustable side, and the other end is locking end, on scotch 7
The adjustable side for being connected with driving scotch 7 is tightly attached to 7 spring of scotch driven on curved surface 3 always；
Drive block 8 is arranged in shell 1 and can slidably reciprocate on the length direction of drive block 8, when drive block 8 slidably reciprocates
The lock slide 6 can be driven to slidably reciprocate on the length direction of lock slide 6, the drive block 8 is equipped with limited mouth 9, described
The locking end of scotch 7 can be embedded in limited mouth 9 and drive block 8 is prevented to slidably reciprocate；When the door lock hook 5 is cut from unlocking condition
When being changed to locked state, the adjustable side of 7 spring of scotch driving scotch 7 is from driving higher one end of curved surface 3 to lower
One end it is mobile, while the locking end of scotch 7 progressively disengages the limited mouth 9；
Driving device 10 slidably reciprocates for controlling drive block 8.
As seen in figures 3-6, the length direction of the lock slide 6 is vertical with the length direction of drive block 8, lock slide 6 and drive
Transmission mechanism is equipped between motion block 8, which includes that the guide rail 11 of lock slide is arranged in and is fixed at drive block 8
On sliding guide post 12, the guide rail 11 is by long relative to the inclined bar shaped skewed slot 41 of 6 length direction of lock slide and with drive block 8
It spends the parallel straight trough 42 in direction to form, shape forms an angle between bar shaped skewed slot 41 and the length direction of lock slide 6, the angle
Angle is 45 °, and the sliding guide post 12 is cylindrical structure, and sliding guide post 12 is arranged on guide rail 11 and can be sliding along guide rail 11
It is dynamic.Bar shaped skewed slot 41 is for controlling 6 slip locations of lock slide, and straight trough 42 is for positioning 6 home position of lock slide.When the driving
When block 8 is mobile towards the lock slide 6, the sliding guide post 12 pushes lock slide 6 to slide towards door lock hook, when drive block 8 is carried on the back
When mobile to lock slide 6, sliding guide post 12 pushes the lock slide 6 far from door lock hook 5.
As shown in figure 3, the driving device 10 include drive block 8 can be pushed to lock slide 6 drive block spring 16 and
Electromagnet 13 for pulling drive block 8 to slide back to lock slide 6, electromagnet 13 include coil 14 and iron core 15, the iron core
15 main part is arranged in coil 14, and the outer end of iron core 15 is fixedly connected by way of clamping with drive block 8.In the skill
In art scheme, when door lock hook 5, which rotates, is detached from the locking end of scotch 7 in the limited mouth 9 of drive block 8, drive block spring 16
Drive block 8 can be pushed to lock slide 6 automatically, drive block 8 drives lock slide 6 to force lock slide 6 one towards the movement of door lock hook 5 again
End, which is resisted against on door lock hook 5, prevents door lock hook 5 from circumferentially rotating, to realize the locking of latch hook 5 on the door, makes the electric appliance door interlock switch
In locked state, the function of automatically lock can be realized.When needing to unlock only need to by electromagnet 13 pull drive block 8 back to
Lock slide 6 slides, and lock slide 6 can be driven to separate with door lock hook 5, the electric appliance door interlock switch is made to be switched to unlocking from locked state
State.
As shown in figure 3, the electric appliance door interlock switch further includes the sensing device 17 for incuding 8 position of drive block, the sense
Answering device 17 is microswitch, is fixed with ramp projections 18 on the drive block 8, when drive block 8 drives the lock slide 6 to lock
When tight door lock hook 5, the ramp projections 18 are touched on the drive rod of the microswitch.The contact spacing of microswitch is small,
Have many advantages, such as that actuating length is short, small by power, on-off is rapid.It is described micro- such as washing machine because part electric appliance needs to contact with water
Dynamic switch selects waterproof micro switch.
As shown in Figure 3, Figure 4, the drive block 8 is equipped with lock groove 19, is equipped with elastic bayonet lock 20, elastic card in shell 1
20 one end of pin is fixedly connected and can be rotated with shell 1, and the other end of elastic bayonet lock 20 is caught in lock groove 19 and can be in lock groove
It is slided in 19, the locking locating piece 21 being caught in for elastic bayonet lock 20 is additionally provided in the lock groove 19.It is equipped in the shell 1 anti-
Only elastic bayonet lock 20 is detached from the spring leaf 22 of lock groove 19, between the locking locating piece 21 and the two sidewalls of lock groove 19 respectively
It is formed and slides into conduit 23 and skid off conduit 24, the locking locating piece 21 is equipped with arc-shaped lock towards one end of the lock slide 6
Determine recess 25, bootstrap block 26 is fixed in the lock groove 19, bootstrap block 26, which is arranged on locking locating piece 21, is equipped with locking
The side of recess 25 forms the guiding channel 27 passed through for elastic bayonet lock 20, the guidance between bootstrap block 26 and locking recess 25
The both ends in channel 27 respectively with slide into conduit 23 and skid off conduit 24 and be connected to, the locking recess 25 and slide into conduit 23 positioned at elastic
The same side of 20 equilbrium position line 28 of bayonet lock skids off the other side that conduit 24 is located at 20 equilbrium position line 28 of elastic bayonet lock, elasticity
Bayonet lock 20 can enter in guiding channel 27 from the upper end for sliding into conduit 23 under own resilient effect or from skidding off conduit 24
Lower end transits to 21 lower section of locking locating piece；The locking locating piece 21 has inclined surface 29 towards the side for sliding into conduit 23,
The high order end and low order end of the inclined surface 29 respectively with guiding channel 27 and skid off conduit 24 and be connected to, the bootstrap block 26 is blocked in bullet
Property bayonet lock 20 from sliding on 23 upper end horizontal transition to the motion path for skidding off conduit 24 of conduit, bootstrap block 26 is towards skidding off conduit
24 side is equipped with lead-in chamfered.The lead-in chamfered is from close to the end to the end close to locking recess 25 for skidding off conduit 24
It successively include the first lead-in chamfered 30 and the second lead-in chamfered 31, circular arc between the first lead-in chamfered 30 and the second lead-in chamfered 31
The length direction angulation of transition, first lead-in chamfered 30 and drive block 8 is greater than the second lead-in chamfered 31 and drive block 8
Length direction angulation.When the electric appliance door interlock switch is switched to unlocking condition from locked state, elastic bayonet lock 20 is embedded in
One end of lock groove 19 slides into guiding channel 27 from conduit 23 is slid into, because drive block spring 16 can be by drive block 8 towards lock slide 6
It pushes, so elastic bayonet lock 20 can be stuck in locking recess 25, so that the electric appliance door interlock switch is kept unlocking condition, in appliance door
When lock-switch is switched to locked state from unlocking condition, one end that elastic bayonet lock 20 is embedded in lock groove 19 slides into from guiding channel 27
Conduit 24 is skidded off, and then under the action of drive block spring 16, elastic bayonet lock 20 is embedded in one end of lock groove 19 from skidding off conduit
24 slide into the junction for skidding off conduit 24 and sliding into conduit 23, and the electric appliance door interlock switch is made to be maintained at locked state.
As shown in Fig. 3, Fig. 7, the unlock rod that drive block 8 can be driven to slide back to lock slide 6 is additionally provided on the shell 1
32, the main part of unlock rod 32 is located in shell 1, and one end of unlock rod 32 is stretched out outside shell 1, connects on the unlock rod 32
There is the unlock spring 33 for pushing unlock rod 32 into shell 1.The first protrusion 34, the solution are fixed on the drive block 8
The second protrusion 35 with the cooperation of the first protrusion 34 is fixed in the main part that locking bar 32 is located in shell 1, in the shell 1
Equipped with limited block 36, the confined planes 37 being used cooperatively with limited block 36 are additionally provided on unlock rod 32.Pass through limited block 36 and limit
Face 37 limits the stroke of unlock rod 32, avoids excessively pulling unlock rod 32.In the use process of electric appliance, it is possible that disconnected
The situations such as electricity can not unlock to the electric appliance door interlock switch by electromagnet 13 at this time, and unlock rod 32 can be pulled to drive at this time
The sliding of drive block 8 is unlocked, and elastic bayonet lock 20 slides into guiding channel 27 from conduit 23 is slid into until elastic bayonet lock 20 at this time
It is embedded in locking recess 25.If pulling unlock rod 32 again, elastic bayonet lock 20 can be from locking recess 25 to skidding off 24 side of conduit
To movement, elastic bayonet lock 20 can be close to lead-in chamfered successively into the second lead-in chamfered 31 and the first lead-in chamfered 30 is crossed, in fact at this time
In the production of border, because space limits, the convex portion of 25 two sides of locking recess is in 8 length direction of drive block on locking locating piece 21
Range difference is only to pull unlock rod 32 to be easy to keep elastic bayonet lock 20 recessed from the locking of guiding channel 27 again between 0.8-1.2mm
Mouth 25, which enters, skids off conduit 24, and in this application, the first lead-in chamfered 30 and the length direction angulation of drive block 8 are greater than
The length direction angulation of second lead-in chamfered 31 and drive block 8, so elastic bayonet lock 20 is mobile from the second lead-in chamfered 31
The resistance that unlock rod 32 is subject to when to the first lead-in chamfered 30 can become larger, so needing bigger pulling force ability stretchy unlock rod
32, disengaging difficulty of the elastic bayonet lock 20 from the locking recess 25 of guiding channel 27 can be increased, user can experience at this time
This process can remind user to stop drag unlock rod 32, avoid locking recess 25 of the elastic bayonet lock 20 from guiding channel 27
Into conduit 24 is skidded off, to avoid again locking the electric appliance door interlock switch.
As shown in Figure 1,2 position of fore shaft is fixed with collision mat 38, the collision mat 38 is made of soft rubber, waterproof
Pad 38 is fixedly connected by way of clamping with fore shaft 2, and the fore shaft 2 of the door lock insertion on appliance door is provided on collision mat 38
Gap, gap face inside and outside the collision mat 38, which includes middle section rectilinear slot 39, middle section rectilinear slot 39
Both ends are respectively connected with two branch slots 40, and two 40 bifurcateds of branch slot positioned at 39 the same end of middle section rectilinear slot are arranged to
V-structure, the junction of two branch slots 40 are connected to the middle section rectilinear slot 39.
Specific embodiments are merely illustrative of the spirit of the present invention described in text.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner,
However, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of electric appliance door interlock switch characterized by comprising
Shell, shell are equipped with the fore shaft for the door lock insertion on appliance door；
Door lock hook is erected at position corresponding with fore shaft in shell and can rotate in a circumferential direction to come between locked state and unlocking condition
Switchback is changed, and door lock hook is equipped with the driving curved surface with difference in height, is also connected on door lock hook and is pushed door lock hook from locked state
It is switched on the torsional spring of lock status；
Lock slide is arranged in shell and can move closer on the length direction of lock slide or slide back and forth far from door lock hook
Dynamic, when lock slide one end is resisted against on door lock hook, lock slide can carry out locking prevention door lock hook rotation by latch hook on the door；
Scotch is arranged in shell, and the one end of scotch is adjustable side, and the other end is locking end, is connected on scotch
There is the adjustable side of driving scotch to be tightly attached to the scotch spring on the driving curved surface always；
Drive block is arranged in shell and can slidably reciprocate on the length direction of drive block, can drive when drive block slidably reciprocates
It moves the lock slide to slidably reciprocate on the length direction of lock slide, the drive block is equipped with limited mouth, the scotch
Locking end can be embedded in limited mouth and drive block is prevented to slidably reciprocate；When the door lock hook is switched to locked state from unlocking condition
When, the adjustable side of the scotch spring driving scotch is mobile from driving higher one end of curved surface to lower one end, simultaneously
The locking end of scotch progressively disengages the limited mouth；
Driving device slidably reciprocates for controlling drive block.
2. a kind of electric appliance door interlock switch according to claim 1, which is characterized in that the length direction of the lock slide and drive
The length direction of motion block is vertical, and transmission mechanism is equipped between lock slide and drive block, which includes being arranged in lock slide
The upper or guide rail on drive block and the sliding guide post being fixed on drive block or lock slide, the guide rail is by relative to lock
The inclined bar shaped skewed slot in length direction and the straight trough parallel with drive block length direction composition, bar shaped skewed slot and lock slide
Shape forms an angle between length direction, and the sliding guide post is cylindrical structure, and sliding guide post is arranged on guide rail and can edge
Guide rail sliding.
3. a kind of electric appliance door interlock switch according to claim 2, which is characterized in that the driving device includes that can will drive
It includes line that block, which pushes the drive block spring of lock slide and the electromagnet for pulling drive block to slide back to lock slide, electromagnet to,
The main part of circle and iron core, the iron core is arranged in coil, and the outer end of iron core is fixedly connected with drive block.
4. a kind of electric appliance door interlock switch according to claim 3, which is characterized in that further include the sense for incuding drive block position
Answer device.
5. a kind of electric appliance door interlock switch according to claim 4, which is characterized in that the sensing device is microswitch,
Ramp projections are fixed on the drive block, when drive block drives the lock slide locking door latch hook, the ramp projections
On the drive rod for touching the microswitch.
6. a kind of electric appliance door interlock switch according to claim 2, which is characterized in that the drive block is equipped with lock groove,
Elastic bayonet lock is equipped in shell, elastic bayonet lock one end is fixedly connected with the casing and can be rotated, and the other end of elastic bayonet lock is caught in lock
Only slot is interior and can slide in lock groove, and the locking locating piece being caught in for elastic bayonet lock is additionally provided in the lock groove.
7. a kind of electric appliance door interlock switch according to claim 6, which is characterized in that being equipped in the shell prevents elastic card
Pin is detached from the spring leaf of lock groove.
8. a kind of electric appliance door interlock switch according to claim 6 or 7, which is characterized in that the locking locating piece and locking
It is respectively formed between the two sidewalls of slot and slides into conduit and skid off conduit, one end of locking locating piece towards the lock slide is set
There is arc-shaped locking recess, bootstrap block is fixed in the lock groove, bootstrap block, which is arranged on locking locating piece, is equipped with locking
The side of recess forms the guiding channel passed through for elastic bayonet lock, the both ends of the guiding channel between bootstrap block and locking recess
Respectively with slide into conduit and skid off conduit and be connected to, which is located at the same of elastic bayonet lock equilbrium position line with slide-in conduit
Side, skids off the other side that conduit is located at elastic bayonet lock equilbrium position line, and elastic bayonet lock can be under own resilient effect from slide-in slot
The upper end in road enters in guiding channel or transits to below locking locating piece from the lower end for skidding off conduit；The locking locating piece
There is inclined surface towards the side for sliding into conduit, the high order end and low order end of the inclined surface respectively with guiding channel and skid off conduit
Connection, the bootstrap block are blocked in elastic bayonet lock from sliding on the horizontal transition to the motion path for skidding off conduit of conduit upper end, guide
Block is equipped with lead-in chamfered towards the side for skidding off conduit.
9. a kind of electric appliance door interlock switch according to claim 8, which is characterized in that drive can be driven by being additionally provided on the shell
The main part of the unlock rod that motion block is slided back to lock slide, unlock rod is located in shell, and one end of unlock rod is stretched out outside shell,
The lead-in chamfered from close to skid off the end of conduit to the end close to locking recess successively include the first lead-in chamfered and the
Two lead-in chamfereds, arc transition between the first lead-in chamfered and the second lead-in chamfered, first lead-in chamfered and drive block
Length direction angulation is greater than the length direction angulation of the second lead-in chamfered and drive block, is connected on the unlock rod
The unlock spring that unlock rod is pushed into shell.
10. a kind of electric appliance door interlock switch according to claim 9, which is characterized in that be fixed on the drive block
One protrusion, the unlock rod is located at the second protrusion being fixed in the intracorporal main part of shell with the cooperation of the first protrusion, described
It is equipped with limited block in shell, is additionally provided with the confined planes being used cooperatively with limited block on unlock rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424220.1A CN109322555B (en) | 2018-11-27 | 2018-11-27 | Door lock switch for electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424220.1A CN109322555B (en) | 2018-11-27 | 2018-11-27 | Door lock switch for electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322555A true CN109322555A (en) | 2019-02-12 |
| CN109322555B CN109322555B (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424220.1A Active CN109322555B (en) | 2018-11-27 | 2018-11-27 | Door lock switch for electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109322555B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112494A (en) * | 2019-06-21 | 2020-12-22 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233634A (en) * | 2012-01-18 | 2013-08-07 | 伊利诺斯工具制品有限公司 | Locking device and equipment for installing the locking device |
| CN103741998A (en) * | 2013-09-30 | 2014-04-23 | 创斯达（南通）机电有限公司 | Electronic lock |
| US20170211221A1 (en) * | 2014-06-03 | 2017-07-27 | Illinois Tool Works Inc. | Door lock for home appliance with hook sensing mechanism |
| CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
| CN209556619U (en) * | 2018-11-27 | 2019-10-29 | 浙江宏昌电器科技股份有限公司 | A kind of electric appliance door interlock switch |
-
2018
- 2018-11-27 CN CN201811424220.1A patent/CN109322555B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233634A (en) * | 2012-01-18 | 2013-08-07 | 伊利诺斯工具制品有限公司 | Locking device and equipment for installing the locking device |
| CN103741998A (en) * | 2013-09-30 | 2014-04-23 | 创斯达（南通）机电有限公司 | Electronic lock |
| US20170211221A1 (en) * | 2014-06-03 | 2017-07-27 | Illinois Tool Works Inc. | Door lock for home appliance with hook sensing mechanism |
| CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
| CN209556619U (en) * | 2018-11-27 | 2019-10-29 | 浙江宏昌电器科技股份有限公司 | A kind of electric appliance door interlock switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112494A (en) * | 2019-06-21 | 2020-12-22 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
| CN112112494B (en) * | 2019-06-21 | 2022-01-21 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109322555B (en) | 2024-02-20 |
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Address after: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province Applicant after: JINHUA HONGCHANG ELECTRLCAL EQUIPMENT Co.,Ltd. Address before: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province Applicant before: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd. |
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