CN110094116A - A kind of door latch structure of household electrical appliance - Google Patents
A kind of door latch structure of household electrical appliance Download PDFInfo
- Publication number
- CN110094116A CN110094116A CN201810094281.XA CN201810094281A CN110094116A CN 110094116 A CN110094116 A CN 110094116A CN 201810094281 A CN201810094281 A CN 201810094281A CN 110094116 A CN110094116 A CN 110094116A
- Authority
- CN
- China
- Prior art keywords
- idler wheel
- pedestal
- hook
- mounting bracket
- electrical appliance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
Abstract
The present invention relates to a kind of door latch structure of household electrical appliance, including locking bar, first end has the mounting portion that can be mounted in household electrical appliance door body, and second end has latch hook；Pedestal is provided with the opening passed through for locking bar；Mounting bracket, first end are articulated on pedestal；First elastic component makes the second end of mounting bracket remain the trend close to pedestal；Idler wheel is set in mounting bracket with being able to rotate, and latch hook can be turned to and fore shaft front side wall offsets and realizes under state and lock for the fore shaft that latch hook is caught in, idler wheel by being provided on the periphery wall of idler wheel, and the fore shaft front part that idler wheel turns to, which exits, to be realized under latch hook state and unlock；Second elastic component, the trend for making idler wheel remain that fore shaft is rotated to pedestal direction；Elastic slice, the hook with the bending of way roller direction, the hook cooperate to limit the turned position of idler wheel by the periphery wall of position limiting structure and idler wheel.The present invention becomes one door lock and gate, reduces door lock volume, has saved assembly space.
Description
Technical field
The present invention relates to a kind of door latch structure of household electrical appliance, especially a kind of machine door of the effectively save assembly space of energy
Lock construction.
Background technique
Household electrical appliance with door lock be it is a kind of prevent the mechanism that door is opened easily easily so that electric appliance is protected under shutdown state
The stability demonstrate,proved leakproofness, keep working chamber vivo environment.Door lock is generally divided into mechanical and two kinds of electrodynamic type, mechanical door lock
General structure is complicated, and manufacturability is poor, and there are certain requirements to installation volume；Electrodynamic type door lock general cost costly, and
Stability is bad, and it is dead or close not first-class situation to be easy to appear door lock in use.
Application publication number be CN107060532A Chinese patent application " cooking appliance and its door lock assembly " (application number:
CN201710147115.7 a kind of structure) is disclosed, door lock assembly includes interlock bracket；Lock core, lock core lock a door position and
It is movably located in interlock bracket between releasing position；Reset assembly, reset assembly include: oil cylinder, and oil cylinder is mounted on interlocking
On bracket；Piston, piston are movably located in oil cylinder, and piston limits interconnected the first chamber and second in oil cylinder
Chamber, piston are connected with the piston rod for stretching out oil cylinder and connecting lock core；Spring, spring are located in oil cylinder, spring respectively with oil cylinder and
Piston is connected.Above-mentioned door lock assembly is resetted using the elastic force driving lock core of spring by the way that spring is arranged in oil cylinder, can pass through tune
Save the reset speed that spring force adjusts lock core, adjusting door closing speed.
Above-mentioned existing door lock is mostly by door lock and gate as two separate structures, which not only adds cost,
Cause assembly space larger, and then influences the overall volume and manufacturing cost of household motor.
Summary of the invention
It is integrated by door lock and gate that the technical problem to be solved by the invention for the present situation of prior art is to provide a kind of
It is integrated to save the door latch structure of the household electrical appliance of assembly space.
The technical scheme of the invention to solve the technical problem is: a kind of door latch structure of household electrical appliance, described
Household electrical appliance have main part and the capable of opening and closing door body in the main part, it is characterised in that: including
Locking bar, the first end of the locking bar have the mounting portion that can be mounted in household electrical appliance door body, the second end of the locking bar
With latch hook；
Pedestal is provided with the opening passed through for locking bar；
Mounting bracket is formed with installation space, the first end of the mounting bracket on rear side of pedestal and between pedestal
It is articulated on pedestal；
First elastic component between the pedestal and the second end of mounting bracket and makes the second end of mounting bracket always
Keep the trend close to pedestal；
Idler wheel, be able to rotate be set to mounting bracket on, be provided on the periphery wall of the idler wheel can for the fore shaft that latch hook is caught in,
It realizes and locks under state that the idler wheel turns to latch hook and fore shaft front side wall offsets, the idler wheel turns to fore shaft front part and moves back
It realizes and unlocks under latch hook state out；
Second elastic component, the trend for making the idler wheel remain that fore shaft is rotated to pedestal direction；And
Elastic slice, which is set on rear side of mounting bracket and first end is movably connected in mounting bracket, and the of the elastic slice
Two ends have the hook of way roller direction bending, which is cooperated by the periphery wall of position limiting structure and idler wheel to rolling
The turned position of wheel is limited.
In the above scheme, the position limiting structure includes third elastic component and the convex block on idler wheel periphery wall, described
Convex block is formed with the card slot that can cooperate limit with hook, side wall the of the convex block close to fore shaft close to the side wall first end of fore shaft
Two ends are formed as guide surface, and the convex block is configured to from above-mentioned first end to second end far from the side wall of fore shaft gradually along idler wheel week
To the inclined-plane of extension, the third elastic component makes the hook of elastic slice remain that moves from above-mentioned first end to second end becomes
Gesture.Above structure locking bar, the second elastic component cooperation under with elastic slice cooperation realize locking and unlocking condition, clever structure,
It operates conveniently.
Preferably, the idler wheel is formed with along the recessed of idler wheel circumferentially extending on the periphery wall of mounting bracket second end
Area is fallen into, which is connected with the card slot.Using the structure, in order to keep the hook of elastic slice easy during lock operation
In being caught in card slot.
Preferably, the card slot is configured to V-arrangement, and non-depressed area partially protrudes into card slot and and V on the idler wheel periphery wall
The medial surface of shape card slot is mutually connected；Angle between the guide surface and convex block outer peripheral surface and coupled idler wheel periphery wall is equal
For obtuse angle.The stability of lock state can be improved in the notch of V-arrangement, and hook is avoided to skid off from card slot, improves lock state
Stability；And the non-depressed area part on the idler wheel periphery wall protruded into card slot slides to guide surface from card slot for hook and provides
Condition can further glide the second end on lug surface and inclined-plane in idler wheel rotary state when hook slides on guide surface
It offsets, at this point, being in unlocking condition, prevents idler wheel rotation excessive.
As an improvement, the rear wall of the idler wheel fore shaft extend outwardly along fore shaft length direction and with the idler wheel that accordingly extends
Ring wall collectively forms the extension that length is greater than fore shaft front side wall.The structure can reduce the rotational angle of idler wheel, easily when unlocking
In the latch hook disengaging fore shaft for making locking bar, quickly unlocking；Idler wheel can also be formed upwards, backward when locking bar is pushed into fore shaft
Thrust, be easy and fast to realize locking.
For the ease of connection, first elastic component is spring, is provided with and extends back on the rear wall of the pedestal
Positioning column, first elastic component is placed on the periphery of the positioning column, on rear side of the first end and pedestal of first elastic component
Wall is connected, and the second end of first elastic component is connected with the second end of mounting bracket.
For the ease of assembly, the first end of the pedestal is provided with the linking arm to extend back, and the of the mounting bracket
One end is articulated on the linking arm.
For the ease of assembly, the shaft of parallel base rear wall arrangement, the shaft are provided in the middle part of the mounting bracket
It is set in mounting bracket with being able to rotate idler wheel across the idler wheel center.Second elastic component is torsional spring, the pedestal
Rear wall on be provided with the limited block close to open edge arrangement, be provided on the lateral surface of the idler wheel and radially extend
Limiting slot is placed on shaft periphery in the middle part of the torsional spring, and the first end of the torsional spring is mutually blocked with limited block, and the of the torsional spring
Two ends are placed in the trend in limiting slot to make idler wheel remain that fore shaft is rotated to pedestal direction.
Preferably, the third elastic component is spring, is provided on the side wall of the close guide surface of the mounting bracket
First links up with, and the second hook is provided on the elastic slice, the first end of the third elastic component is connected with the first hook, described
The second end of third elastic component is connected with the second hook.
Preferably, the first end of the mounting bracket is provided with the mounting plate to extend back, and the first end of the elastic slice is living
It is dynamic to be connected on the mounting plate.The top of the mounting plate has inserted sheet, corresponding, has on the elastic slice and passes through for inserted sheet
Socket, and the socket expands the resigning sky to be formed and the hook of elastic slice can be made radially to twist back and forth along idler wheel from middle part to both ends respectively
Between.Using the above structure, so that the hook of elastic slice second end is easy to be caught in card slot or slides on guide surface from card slot.
Compared with the prior art, the advantages of the present invention are as follows: the locking bar of door lock of the present invention is mountable in the door body back side, door lock
Other parts as a whole in embeddable household electrical appliance main part, when lock state, the hook holding of elastic slice is in card
Prevent idler wheel from rotating in slot, the latch hook of locking bar passes through pedestal opening and is located in the fore shaft of idler wheel and offsets with the front side wall of fore shaft；
When unlocking, push door body, the rear wall of locking bar end and idler wheel fore shaft offset and after pushing rolling wheels, to overcome the first elastic component
Elastic force so that mounting bracket, idler wheel is rotated backward around mounting bracket first end, should during, idler wheel can be under the promotion of locking bar
Rotate backward certain angle, so that the limit to idler wheel is temporarily cancelled in elastic slice hook and position limiting structure cooperation, idler wheel is in the second bullet
Property part effect under rotate forward, until the latch hook of locking bar is detached from idler wheel fore shaft, at this point, door lock is in the open state, the first elasticity
Part drives idler wheel and mounting bracket to reset, and the hook on elastic slice realizes the limit to scroll wheel positions with position limiting structure cooperation again,
Prevent idler wheel rotation excessive；When locking a door, door body is pushed, latch hook enters in fore shaft and further pushing rolling wheels backward, makes idler wheel gram
It takes the second elastic component elastic force to rotate backward, scroll wheel positions is carried out when the hook turned on elastic slice cooperates with position limiting structure again
When limit, the front side wall of latch hook and idler wheel fore shaft on locking bar offsets, and realizes locking.Door lock and gate are integrated into one by the present invention
Body substantially reduces door lock volume, has saved assembly space, and door lock of the invention in operation tightly can by pushing door body
It realizes locking and unlocks, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (lock state) of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram (unlocking condition) of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another angle of Fig. 1；
Fig. 4 is the structural schematic diagram of another angle of Fig. 2；
Fig. 5 is the structural schematic diagram of the another angle of Fig. 1；
Fig. 6 is the cross-sectional view of Fig. 1；
Fig. 7 is the cross-sectional view of Fig. 2；
Fig. 8 is the structural schematic diagram of idler wheel in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another angle of Fig. 8；
Figure 10 is the structural schematic diagram of elastic slice in the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Fig. 1~10, the household electrical appliance of the present embodiment have main part and door body, and main part can have in one
Chamber, door body edge are hinged in the open edge of main part inner cavity.The door latch structure of the household electrical appliance of the present embodiment is by door lock
Become one with gate, including locking bar 1, pedestal 2, mounting bracket 3, the first elastic component 10, idler wheel 4, the second elastic component 20 and
Elastic slice 5, wherein locking bar 1 is mountable at the door body back side, and the first end of locking bar 1 has the peace that can be mounted in household electrical appliance door body
The second end in dress portion 11, locking bar 1 extends with main part to household electrical appliance and has latch hook 12, pedestal 2 and other structures structure
At an entirety, in the main part of household electrical appliance, the opening 21 passed through for locking bar 1 is provided on pedestal 2.
Mounting bracket 3 is set to 2 rear side of pedestal and is formed with installation space 100 between pedestal 2, and the first end of pedestal 2 is set
It is equipped with the linking arm 22 to extend back, the first end of mounting bracket 3 is articulated on the linking arm 22.The rear side of 2 second end of pedestal
The positioning column 23 to extend back is provided on wall, the first elastic component 10 is spring, and the first elastic component 10 is placed on the positioning column 23
Periphery, the first end of the first elastic component 10 is connected with 2 rear wall of pedestal, the second end and mounting bracket of the first elastic component 10
3 second end is connected, so that the second end of mounting bracket 3 be made to remain the trend close to pedestal 2.
Idler wheel 4 is set in mounting bracket 3 with being able to rotate.Specifically, after the middle part of mounting bracket 3 is provided with parallel base 2
The shaft 200 of side wall arrangement, the shaft 200 pass through 4 center of idler wheel and idler wheel 4 are set in mounting bracket 3.The periphery wall of idler wheel 4
On be provided with and can turn to latch hook 12 for the fore shaft 41 that latch hook 12 is caught in, idler wheel 4 and 41 front side wall of fore shaft offsets and realizes under state and lock
Fixed, 41 front part of fore shaft that idler wheel 4 turns to, which exits, realizes unlocking under 12 state of latch hook.Second elastic component 20 is torsional spring, pedestal 2
Rear wall on be provided with the limited block 24 close to 21 edges of opening arrangement, be provided on the lateral surface of idler wheel 4 and radially extend
Limiting slot 42, be placed on 200 periphery of shaft in the middle part of torsional spring, first end and the 24 phase card of limited block of torsional spring, the second of torsional spring
End is placed in the trend in limiting slot 42 to make idler wheel 4 remain that fore shaft 41 is rotated to 2 direction of pedestal.
Elastic slice 5 is set to 3 rear side of mounting bracket and first end is movably connected in mounting bracket 3, and the second end of elastic slice 5 has
The hook 51 of 4 direction of way roller bending, the hook 51 are cooperated by the periphery wall of position limiting structure a and idler wheel 4 to rolling
The turned position of wheel 4 is limited.Specifically, the first end of mounting bracket 3 is provided with the mounting plate 31 to extend back, elastic slice 5
First end be movably connected on the mounting plate 31.The top of mounting plate 31 has inserted sheet 311, corresponding, has on elastic slice 5 and supplies
The socket 52 that inserted sheet 311 passes through, and the socket 52 expands to form the hook 51 that can make elastic slice 5 along idler wheel respectively to both ends from middle part
4 it is radial twist back and forth allow bit space.
Above-mentioned position limiting structure a includes third elastic component 30 and the convex block 43 on 4 periphery wall of idler wheel, and convex block 43 is close to lock
The side wall first end of mouth 41 is formed with the card slot 431 that can cooperate limit with hook 51, side wall second of the convex block 43 close to fore shaft 41
End is formed as guide surface 432, and convex block 43 is configured to from above-mentioned first end to second end far from the side wall of fore shaft 41 gradually along idler wheel 4
The inclined-plane 433 of circumferentially extending.Third elastic component 30 is spring, and the is provided on the side wall of the close guide surface 432 of mounting bracket 3
One links up with 32, and the second hook 53 is provided on elastic slice 5, and the first end of third elastic component 30 is connected with the first hook 32, third
The second end of elastic component 30 53 is connected with the second hook, so that the hook 51 of elastic slice 5 is remained from above-mentioned first end to the
The mobile trend in two ends.Idler wheel 4 is formed with the recess circumferentially extended along idler wheel 3 on the periphery wall of 3 second end of mounting bracket
Area 44, the depressed area 44 are connected with card slot 431.Card slot 431 is configured to V-arrangement, and non-depressed area partially protrudes on 4 periphery wall of idler wheel
Mutually it is connected in card slot 431 and with the medial surface of V-arrangement card slot 431；Guide surface 432 and 4 outer peripheral surface of convex block and coupled idler wheel 4
Angle between periphery wall is obtuse angle.The stability of lock state can be improved in 431 structure of card slot of V-arrangement, avoids hook 51 certainly
It is skidded off in card slot 431, improves the stability of lock state；And protrude into the non-depressed area portion on 4 periphery wall of idler wheel in card slot 431
Be divided into hook 51 and slide to guide surface 432 from card slot 431 and provide condition, when hook 51 slides to can be into one on guide surface 432
Step glided 4 surface of convex block in 4 rotary state of idler wheel and the second end on inclined-plane 433 offsets, at this point, it has been in unlocking condition,
Prevent idler wheel 4 from rotating excessively.The rear wall of 4 fore shaft 41 of idler wheel extend outwardly along 41 length direction of fore shaft and with the rolling that accordingly extends
It takes turns 4 ring walls 45 and collectively forms the extension 46 that length is greater than 41 front side wall of fore shaft.And the edge at the edge of fore shaft 41 and convex block 43
Distance in 4 circumferential direction of idler wheel is less than or equal to half of circumference.When unlocking, the above-mentioned rotational angle for reducing idler wheel 4 is easy to make
The latch hook 12 of locking bar 1 is detached from fore shaft 41, quickly unlocking；Can also when locking bar 1 is pushed into fore shaft 41 to idler wheel 4 formed to
Upper, thrust backward is easy and fast to realize locking.
Using the door latch structure of the present embodiment, when door lock is in the lock state, 51 holding of hook of elastic slice 5 is in card slot
Prevent idler wheel 4 from rotating in 431, the latch hook 12 of locking bar 1 pass through the opening of pedestal 1 11 be located in the fore shaft 41 of idler wheel 4 and with fore shaft 41
Front side wall offset；When unlocking, push door body, the rear wall of 1 end of locking bar and 4 fore shaft 41 of idler wheel offset and after pushing rolling wheels 4,
To overcome the elastic force of the first elastic component 10 that mounting bracket 3, idler wheel 4 is made to rotate backward around 3 first end of mounting bracket, the process
In, idler wheel 4 understands the certain angle that rotate backward under the promotion of locking bar 1, so that 5 hook 51 of elastic slice is under the effect of third elastic component 30
It is detached from card slot 431 to slide on guide surface 432, idler wheel 4 is rotated in the effect of the second elastic component 20 to 2 direction of pedestal, and hook 51 is sliding
Convex block 43 is crossed to one end of the corresponding guide surface 432 in inclined-plane 433, at this point, latch hook 12 disengaging of the fore shaft 41 for locking bar 1, the first bullet
Property part 10 drive idler wheel 4 and mounting bracket 3 to reset, hook 51 and the mutually limit of inclined-plane 433 prevent idler wheel 4 from rotating excessively, door lock
It is in the open state；When locking a door, door body is pushed, latch hook 12 enters in fore shaft 41 and further pushing rolling wheels 4 backward, makes idler wheel 4
20 elastic force of the second elastic component is overcome to rotate backward, during being somebody's turn to do, the hook 51 on elastic slice 5 is leaned on along inclined-plane 433 to 431 direction of card slot
Closely until being caught in card slot 431, the position of idler wheel 4 is limited, at this point, the angle that idler wheel 4 turns over makes the latch hook 12 of locking bar 1
Limit realizes the locking of door lock in the fore shaft 41 of idler wheel 4.
It should be noted that the indicating arm 6 being connected with idler wheel 4 can also be arranged in the present embodiment, which can rolled
It takes turns and shift in position occurs in 4 rotation processes, the end of indicating arm 6 can be connect with the control system with indicating function such as sound,
User is reminded under door lock locking or unlocking condition, excessively to avoid operation, influences user experience.
Claims (12)
1. a kind of door latch structure of household electrical appliance, the household electrical appliance have main part and capable of opening and closing are set to the main part
On door body, it is characterised in that: including
Locking bar (1), the first end of the locking bar (1) have the mounting portion (11) that can be mounted in household electrical appliance door body, the locking bar (1)
Second end have latch hook (12)；
Pedestal (2) is provided with the opening (21) passed through for locking bar (1)；
Mounting bracket (3) is set on rear side of pedestal (2) and is formed with installation space (100) between pedestal (2), the installation branch
The first end of frame (3) is articulated on pedestal (2)；
First elastic component (10) is set between the pedestal (2) and the second end of mounting bracket (3) and makes mounting bracket (3)
Second end remains the trend close to pedestal (2)；
Idler wheel (4) is set on mounting bracket (3) with being able to rotate, and being provided on the periphery wall of the idler wheel (4) can block for latch hook (12)
The fore shaft (41) entered is realized under state that the idler wheel (4) turns to latch hook (12) and fore shaft (41) front side wall offsets and is locked, described
Fore shaft (41) front part that idler wheel (4) turns to, which exits, realizes unlocking under latch hook (12) state；
Second elastic component (20), the trend for making the idler wheel (4) remain that fore shaft (41) is rotated to pedestal (2) direction；And
Elastic slice (5), which is set on rear side of mounting bracket (3) and first end is movably connected on mounting bracket (3), described
The second end of elastic slice (5) has the hook (51) of way roller (4) direction bending, which passes through position limiting structure (a) and rolling
The periphery wall of wheel (4) cooperates to limit the turned position of idler wheel (4).
2. the door latch structure of household electrical appliance according to claim 1, it is characterised in that: the position limiting structure (a) includes the
Three elastic components (30) and the convex block (43) being set on idler wheel (4) periphery wall, side wall the of the convex block (43) close to fore shaft (41)
One end is formed with the card slot (431) that can cooperate limit with hook (51), side wall second of the convex block (43) close to fore shaft (41)
End is formed as guide surface (432), and the convex block (43) is configured to far from the side wall of fore shaft (41) from above-mentioned first end to second end
Gradually along the inclined-plane (433) of idler wheel (4) circumferentially extending, the third elastic component (30) protects the hook (51) of elastic slice (5) always
Hold the trend mobile from above-mentioned first end to second end.
3. the door latch structure of household electrical appliance according to claim 2, it is characterised in that: the idler wheel (4) is close to installation branch
It is formed on the periphery wall of frame (3) second end along the depressed area (44) of idler wheel (4) circumferentially extending, the depressed area (44) and the card
Slot (431) is connected.
4. the door latch structure of household electrical appliance according to claim 3, it is characterised in that: the card slot (431) is configured to V
Shape, non-depressed area partially protrudes into card slot (431) and mutually holds in the mouth with the medial surface of V-arrangement card slot (431) on idler wheel (4) periphery wall
It connects；Angle between the guide surface (432) and convex block (43) outer peripheral surface and coupled idler wheel (43) periphery wall is blunt
Angle.
5. the door latch structure of household electrical appliance described in any claim according to claim 1~4, it is characterised in that: described
The rear wall of idler wheel (4) fore shaft (41) extend outwardly along fore shaft (41) length direction and with idler wheel (4) ring wall for accordingly extending
(45) extension (46) that length is greater than fore shaft (41) front side wall is collectively formed.
6. the door latch structure of household electrical appliance described in any claim according to claim 1~4, it is characterised in that: described
The first elastic component (10) be spring, be provided with the positioning column (23) to extend back on the rear wall of the pedestal (2), described the
One elastic component (10) is placed on the periphery of the positioning column (23), the first end of first elastic component (10) and pedestal (2) rear side
Wall is connected, and the second end of first elastic component (10) is connected with the second end of mounting bracket (3).
7. the door latch structure of household electrical appliance described in any claim according to claim 1~4, it is characterised in that: described
The first end of pedestal (2) is provided with the linking arm (22) to extend back, and the first end of the mounting bracket (3) is articulated with the connection
On arm (22).
8. the door latch structure of household electrical appliance described in any claim according to claim 1~4, it is characterised in that: described
The shaft (200) of parallel base (2) rear wall arrangement is provided in the middle part of mounting bracket (3), which passes through the rolling
Idler wheel (4) is set on mounting bracket (3) by wheel (4) center with being able to rotate.
9. the door latch structure of household electrical appliance according to claim 8, it is characterised in that: second elastic component (20) is
Torsional spring is provided with the limited block (24) close to opening (21) edge arrangement, the idler wheel (4) on the rear wall of the pedestal (2)
Lateral surface on be provided with the limiting slot (42) radially extended, shaft (200) periphery is placed in the middle part of the torsional spring, it is described
The first end of torsional spring is mutually blocked with limited block (24), and the second end of the torsional spring is placed in limiting slot (42) that idler wheel (4) is made to begin
The trend for keeping fore shaft (41) to rotate to pedestal (2) direction eventually.
10. the door latch structure of the household electrical appliance according to any claim in claim 2~4, it is characterised in that: described
Third elastic component (30) be spring, be provided with the first hook on the side wall of the close guide surface (432) of the mounting bracket (3)
(32), it is provided with the second hook (53) on the elastic slice (5), the first end of the third elastic component (30) and the first hook (32)
It is connected, the second end of the third elastic component (30) is connected with the second hook (53).
11. the door latch structure of the household electrical appliance according to any claim in claim 2~4, it is characterised in that: described
The first end of mounting bracket (3) is provided with the mounting plate (31) to extend back, and the first end of the elastic slice (5) is movably connected on this
On mounting plate (31).
12. the door latch structure of household electrical appliance according to claim 11, it is characterised in that: the top of the mounting plate (31)
It is corresponding with inserted sheet (311), there is the socket (52) passed through for inserted sheet (311), and the socket (52) on the elastic slice (5)
Expand respectively to both ends from middle part and to form the hook (51) that can make elastic slice (5) and allow bit space along what idler wheel (4) radially twisted back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094281.XA CN110094116B (en) | 2018-01-31 | 2018-01-31 | Door lock structure of household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094281.XA CN110094116B (en) | 2018-01-31 | 2018-01-31 | Door lock structure of household appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094116A true CN110094116A (en) | 2019-08-06 |
| CN110094116B CN110094116B (en) | 2024-02-20 |
Family
ID=67442552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094281.XA Active CN110094116B (en) | 2018-01-31 | 2018-01-31 | Door lock structure of household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094116B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049528A (en) * | 2020-09-16 | 2020-12-08 | 宁波方太厨具有限公司 | Door lock, slot door body structure and cleaning machine thereof |
| CN112806937A (en) * | 2019-11-15 | 2021-05-18 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
Citations (5)
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| CN112806937A (en) * | 2019-11-15 | 2021-05-18 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
| CN112806937B (en) * | 2019-11-15 | 2022-01-25 | 宁波方太厨具有限公司 | Door lock structure and cleaning machine with same |
| CN112049528A (en) * | 2020-09-16 | 2020-12-08 | 宁波方太厨具有限公司 | Door lock, slot door body structure and cleaning machine thereof |
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| Publication number | Publication date |
|---|---|
| CN110094116B (en) | 2024-02-20 |
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