CN110398122A - A kind of rotary transfer mechanism, door body control method, refrigerator and door - Google Patents
A kind of rotary transfer mechanism, door body control method, refrigerator and door Download PDFInfo
- Publication number
- CN110398122A CN110398122A CN201910857674.6A CN201910857674A CN110398122A CN 110398122 A CN110398122 A CN 110398122A CN 201910857674 A CN201910857674 A CN 201910857674A CN 110398122 A CN110398122 A CN 110398122A
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- Prior art keywords
- door body
- driving
- door
- transfer mechanism
- thick stick
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A kind of rotary transfer mechanism, door body control method, refrigerator and door.The present invention includes the rotary transfer mechanism being mounted in door body, can apply driving force to door body, door body is opened in driving, and/or door body is closed in driving after door body opening.The present invention can automatically control the driving to rotary transfer mechanism according to instruction.Present invention can apply to door body such as refrigerators, it is allowed to execute switch motion automatically, movement executes precisely, and control, feedback are accurate, and it is good that movement executes continuity, and it is compact-sized, the switch intelligent level of refrigerator doors is improved, is brought to user easy-to-use.
Description
Technical field
The present invention relates to machinery field, in particular to a kind of rotary transfer mechanism, door body control method, refrigerator and
Door.
Background technique
Currently, the operation of switch refrigerator doors or other door body, is nearly all to directly act on door body to its dozen by manpower
On or off is closed.Due to being provided with sealing strip between door body and refrigerator main body, make to form negative pressure in refrigerator after shutdown, therefore opening
When door body, it is necessary first to which certain pulling force overcomes negative pressure, could separate door body with refrigerator main body, from user's use feeling
On, this pulling force is more laborious.Also, when user holds article, it has not been convenient to which door is opened in manual operation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of rotary transfer mechanism, door body control method, refrigerator and door,
The present invention turns to open or closes the door using the driving device that door body is arranged in.The present invention specifically adopts the following technical scheme that.
Firstly, to achieve the above object, proposing a kind of rotary transfer mechanism, being mounted in door body, for driving door body
It opens, and/or driving door body is closed after door body opening.
Optionally, above-mentioned rotary transfer mechanism comprising: driving device；Transmission component comprising have transmission gear, trip
From gear and torque force limiting device, the transmission gear connects the driving device, is driven by the driving device；The free tooth
Wheel is operated synchronously in company with the torque force limiting device and the transmission gear, and in door opening process, the driving device is exported
The torque of first driving direction is transferred to door body attachment device by transmission gear, free gear；It, will or after door body opening
The torque of second driving direction of the driving device output is transferred to the door body connection dress by transmission gear, free gear
It sets；Door body attachment device connects the door body and the free gear, is driven by the free gear drive according to first
It opens door body or door body is closed according to the second driving direction in dynamic direction.
Optionally, above-mentioned rotary transfer mechanism, wherein the torque force limiting device includes electromagnetic clutch and driver
Structure, the transmission mechanism are separately connected the free gear and the transmission gear；During the door body opens or closes,
The electromagnetic clutch is in first state, is attracted the transmission mechanism, transmission mechanism rotation synchronous with the transmission gear
Turn the torque that the driving device exports being transferred to the free gear, the door body attachment device is driven to operate and open door
Body closes door body；After the door body opens or closes, the electromagnetic clutch is in the second state, and the transmission mechanism is detached from
It is attracted, the door body attachment device is operated independently of the transmission gear or the driving device.
Optionally, above-mentioned rotary transfer mechanism, wherein the transmission mechanism is the connection through the electromagnetic clutch
Stick, first end are fixedly connected with the free gear that the electromagnetic clutch first end is arranged in；The of the pitman
Two ends pass through the electromagnetic clutch, when the electromagnetic clutch is in first state, with setting in the electromagnetic clutch
The transmission gear of second end engages and is connected to the driving device, drive the free gear synchronous by the driving device
Driving rotation；When the electromagnetic clutch is in the second state, the biography of the electromagnetic clutch second end is detached from and is arranged in
The engagement of moving gear, the free gear are detached from the driving of the driving device.
Optionally, above-mentioned rotary transfer mechanism, wherein the rotary transfer mechanism (2) is also connected with door body state-detection
Unit, the door body state detection unit include: signal control wheel, are engaged with the door body attachment device, with the door body
Attachment device rotates synchronously；Thick stick is pressed, first end connects the inner wall of the signal control wheel, and second end is by the signal control
Ratch drives and rotates；Switch, the fixed position for being disposed proximate to the pressing thick stick second end, the switch is in the pressing
Thick stick is pressed by the pressing thick stick when turning to the angular range of setting and triggers the first electric signal, exits in the pressing thick stick described
Restore when the angular range of setting to the second electric signal.
Optionally, above-mentioned rotary transfer mechanism, wherein the signal control wheel is a cam, the inner wall of the cam
The angular range of the middle correspondence setting is provided with recess, and rest part is step in the inner wall of the cam；The pressing thick stick
First end connect the inner wall of the cam, the second end of the pressing thick stick is also connected with elastic component；The cam is at first jiao
When spending rotation in range, the first end of the pressing thick stick is fallen into the recess of the cam inner wall, the second end of the pressing thick stick
Driven by the elastic component, turn to the angular range of the setting, the switch by the second end triggering of the pressing thick stick and
Export the first electric signal；When the cam rotates within the scope of second angle, the first end of the pressing thick stick is maintained at described convex
On the step for taking turns inner wall, the second end of the pressing thick stick presses the elastic component, exits the angular range of the setting, described to open
Guan Wei is triggered and restores to the second electric signal.
Arranged side by side, the present invention also provides a kind of door body control methods, it is used for any of the above-described rotary transfer mechanism, including
The step of response is opened the door: the torque for the first driving direction that the driving device exports is transferred to described by the torque force limiting device
Door body attachment device drives the door body attachment device to operate and opens door body to door body state detection unit output first
Electric signal.
Optionally, above-mentioned door body control method, wherein further include the steps that response is closed the door: the driving device is with second
The torque that the driving device exports is transferred to the door body attachment device by driving direction operating, the torque force limiting device, is driven
It moves the door body attachment device operating and closes door body.
Optionally, above-mentioned door body control method, wherein further comprising the steps of: described after the door body opens or closes
Torque force limiting device is in the second state, and the door body attachment device is made to be detached from the driving of the driving device, the door body connection
Device is operated independently of the driving device.
Meanwhile the present invention also provides a kind of refrigerator, any of the above-described rotary transfer mechanism is installed in refrigerator doors.
The present invention also provides a kind of doors, are equipped with as above any rotary transfer mechanism thereon.
Beneficial effect
The present invention includes the rotary transfer mechanism being mounted in door body, can apply driving force to door body, and driving is opened
Door body, and/or door body is closed in driving after door body opening.The present invention can be automatically controlled according to instruction to rotary transfer machine
The driving of structure.Present invention can apply to door body such as refrigerators, it is allowed to execute switch motion according to instruction is automatic, movement executes precisely,
Control, feedback are accurate, and movement execution continuity is good, compact-sized.The present invention improves the switch intelligent level of refrigerator doors, gives
User brings easy-to-use.
Free gear and torque force limiting device is arranged in the present invention in rotary transfer mechanism, by torque force limiting device be attracted with
The switching being detached between two states being attracted enables free gear keeping and rotary transfer driving device within the organization
Operate synchronously or be detached from its independent operation.The present invention can be during enabling or shutdown, effectively by driving device as a result,
The torque of two driving directions exported is transferred to door body attachment device, drives it to realize and opens the door or close the door.Simultaneously as trip
It can be detached from attracting state from gear, the present invention can be detached from door body, door body connection dress in manual hand manipulation's switch gate again
The acting in opposition to driving device is set, driving device is avoided to damage.
And it is directed to above-mentioned enabling, the switching of shutdown two states, the present invention is also further in the biography of door body attachment device
One of cam is designed to signal control wheel in motivation structure, the effect by signal control wheel to pressing thick stick, driver exists
Push switch in the angular range of setting and trigger the first electric signal, other angles range be detached from pressing and restore to second electricity
Signal.The present invention can identify the switch state of door body by two kinds of electric signals as a result, realize automatically enabling detection or close the door
Detection.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, and with it is of the invention
Embodiment together, is used to explain the present invention, and is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of rotary transfer mechanism of the invention；
Fig. 2 is the schematic diagram of door body state detection unit in rotary transfer mechanism of the invention；
Fig. 3 is the timing diagram of door opener work of the present invention.
In figure, 21 indicate driving device, and 22 indicate free gear, and 23 indicate door body attachment device, and 24 indicate torsion limitation
Device, 41 indicate electromagnetic clutch, and 42 indicate transmission mechanism, and 51 indicate signal control wheel, and 52 indicate pressing thick stick, and 53 indicate switch.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
The meaning of heretofore described "and/or" refers to that the case where respective individualism or both exists simultaneously wraps
Including including.
The meaning of heretofore described " inside and outside " is referred to relative to signal control wheel itself, by its engaging tooth
It is interior for being directed toward the direction of its shaft, otherwise is outer；Rather than the specific restriction to the device of the invention mechanism.
The meaning of heretofore described " connection " can be between component be directly connected to be also possible to pass through between component
Other components are indirectly connected with.
The meaning of heretofore described " the first driving direction " refers to driving device driving door body attachment device rotation
The direction of enabling.
The present invention provides one kind
Fig. 1 is a kind of door opener according to the present invention, be may be provided in door body, or inside insertion door body, be can avoid
Increase additional door-opening devices at the top of the agent set that door body rear is connected, such as refrigerator body, cabinet body, doorframe, keeps away
Exempt from because caused by increasing door-opening devices unsightly, dimension ultra-specification or asking for thing can not be placed at the top of agent set
Topic.The door opener includes:
Rotary transfer mechanism 2, is mounted in door body, is used to be detached from lock state rear-guard in door body by pushing tow or in door body
It is dynamic to open door body, and/or door body is closed in driving after door body opening.
In an implementation mode, to realize driving on the door, the rotary transfer mechanism 2 in the present invention specifically be may be configured as
Including Fig. 1 with it is shown in Fig. 2:
Driving device 21；It can be an independent motor independently of unlock actuator, or drive using with unlock
The mode of moving part linkage is realized；Wherein, the unlock actuator in an implementation mode, is mainly used for driving door body or right
Door body applies jacking force and releases the lock state of door body；
Transmission component comprising there is transmission gear, free gear 22 and torque force limiting device 24, the transmission gear to connect institute
Driving device 21 is stated, is driven by the driving device；After the door body unlocks, the free gear 22 is in company with the torsion
Limiter 24 is operated synchronously with the transmission gear, and the torque for the first driving direction that the driving device 21 is exported is by being driven
Gear, free gear are transferred to the second drive for exporting the driving device 21 after door body attachment device or door body opening
The torque in dynamic direction is transferred to the door body attachment device by transmission gear, free gear；
Door body attachment device 23 connects the door body and the free gear 22, is driven by the free gear 22
And door body is opened according to the first driving direction or door body is closed according to the second driving direction.
Wherein, described refering to what is shown in Fig. 1, the torque force limiting device 24 includes electromagnetic clutch 41 and transmission mechanism 42
Transmission mechanism is separately connected the free gear 22 and the transmission gear；
During the door body opens or closes, the electromagnetic clutch 41 is in first state, is attracted the transmission
The torque that the driving device 21 exports is transferred to institute with the transmission gear synchronous rotary by mechanism 42, the transmission mechanism 42
Free gear 22 is stated, drives the door body attachment device 23 to operate and opens door body or close door body；
During the releasing door body locking, since door body may be opened or be opened by pushing tow, the electromagnetic clutch
Device 41 is in the second state, and the transmission mechanism, which is detached from, to be attracted, the door body attachment device 23 independently of the transmission gear or
The driving device 21 operates.
And transmission mechanism therein may be configured as the pitman through the electromagnetic clutch 41 under a kind of mode,
First end is fixedly connected with the free gear 22 that 41 first end of electromagnetic clutch is arranged in, for example, can be set to
It is connected as one with the free gear 22 or realizes fixation between the two by modes such as screws；
The second end of the pitman passes through the electromagnetic clutch 41, can be arranged in the second end and match with transmission gear
The gear teeth of conjunction.When the electromagnetic clutch 41 is in first state, with the biography that 41 second end of electromagnetic clutch is arranged in
Moving gear engages and is connected to the driving device 21, and being driven by the driving device 21 for the free gear synchronous is driven to revolve
Turn；When the electromagnetic clutch 41 is in the second state, the transmission of 41 second end of electromagnetic clutch is detached from and is arranged in
The engagement of gear, the free gear 22 are detached from the driving of the driving device 21.
The second end of the pitman may be configured as realizing and the driving cog with the tooth engagement that engages inside transmission gear
The Synchronous Transmission of wheel can also be meshed with the engaging tooth outside transmission gear, same to realize transmission, by driving device output
Driving force is transferred to free gear 22.The free gear finally drives door body connection dress by each transmission gear of rear class
23 are set to open door body to a direction operating or operate to another direction and close door body.The door body attachment device 23
The driving wheel for engaging or being driven with door-hinge can be used under the implementation of Fig. 1 to realize, the driving wheel is only in corresponding door body switch
The certain angle of range operates, therefore to limit door opener volume, the engaging tooth of the driving wheel may be provided at it and correspond to enabling
In the half cycle of shutdown range.
To realize the detection to door body switch state, and is automatically opened the door or closed according to door body switch state accordingly
Door, in an implementation mode, above-mentioned rotary transfer mechanism 2 is also connected with Fig. 1 and door body state-detection list shown in Fig. 2
Member, the door body state detection unit include:
Signal control wheel 51 is engaged with the door body attachment device 23, is rotated synchronously with the door body attachment device 23；
Under a kind of more specifically implementation, which may be configured as a cam, right in the inner wall of the cam
The angular range of the setting is answered to be provided with recess, rest part is step in the inner wall of the cam, is thus pressing thick stick 52
Two kinds of position angles are provided and respectively correspond the state of enabling and the state of shutdown；
The pressing thick stick 52, first end connect the inner wall of the signal control wheel 51, and second end is by the signal
Control wheel 51 drives and rotates；Under the implementation that above-mentioned cam is formed by signal control wheel, the cam is at first jiao
When spending rotation in range, the first end of the pressing thick stick 52 is fallen into the recess of the cam inner wall, and the of the pressing thick stick 52
Two ends are driven by the elastic component that its second end is connected, and turn to the angular range of the setting, switch 53 is by the pressing thick stick
52 second end triggers and exports the first electric signal；And when the cam rotates within the scope of second angle, the pressing thick stick
52 first end is maintained on the step of the cam inner wall, and the second end of the pressing thick stick 52 presses the elastic component, is exited
The angular range of the setting, the switch 53 are not triggered and restore to the second electric signal.
Switch 53 therein, the fixed position for being disposed proximate to pressing 52 second end of thick stick, for example, referring to institute in figure
Show, the position of close pressing 52 second end of thick stick of outer casing inner wall of rotary transfer mechanism 2 is set.The switch 53 is in the pressing
Thick stick 52 is pressed by the pressing thick stick 52 when turning to the angular range of setting and triggers the first electric signal, moves back in the pressing thick stick 52
Restore when the angular range of the setting out to the second electric signal.
For the fixation elastic component, the driving to pressure 52 second end of thick stick is realized so that in appropriate practical trigger switch, it is described
Elastic component may be selected to be the spring fixed by fixing groove.The lower end of spring abuts the bottom surface of fixing groove, the upper end pushing tow of spring
Press 52 second end of thick stick.The fixing groove is fixed on the side on the bottom surface of the shell of rotary transfer mechanism 2 close to switch 53
The present invention can be realized to open the door to respond and close the door by the sequential relationship of table 1 and Fig. 3 and be responded as a result,.Wherein, electric
Machine A motor B corresponds respectively to unlock actuator and driving device, pushes and realizes and open the unlocking motion and driving door body of door body
The movement opened/closed.
When response is opened the door:
The unlock actuator operates (for example, corresponding motor A rotates forward CW) with first direction, and corresponding rack gear is driven to stretch out
And pushing tow door body, it releases the negative pressure of door body such as refrigerator or pushes merely, release negative pressure to the locking of door body or door body is detached from
The state being closed completely realizes unlock；
The first driving direction that the torque force limiting device 24 exports the driving device 21 is (for example, corresponding motor B is rotated forward
CW torque) is transferred to the door body attachment device 23, drives the door body attachment device 23 to operate and opens door body to described
Door body state detection unit exports the first electric signal.
After the door body is opened, the unlock actuator further independent can be operated with second direction, drive the tooth
Item is contracted within pushing tow range.Alternatively, the rack gear, can also automatically shrink after the appropriate time after stretching and go back.
It responds at closing time:
The driving device 21 is exported the driving device 21 with the operating of the second driving direction, the torque force limiting device 24
Torque be transferred to the door body attachment device 23, drive the door body attachment device 23 to operate and close door body.
Wherein, the range that door body state detection unit door body detected rotarily opens corresponds to 0 → 120 °.
Table 1
The shutdown of above-mentioned clamshell doors response can mode manually or automatically realize.Under manual mode, can usually it lead to
Cross the acquisition that setting door open switch realizes clamshell doors instruction；And under automated manner, then it can pass through human bioequivalence, infrared, acoustic control, light
The modes such as control obtain corresponding door open command.At closing time equally can mode manually or automatically realize.Under automated manner,
Mode shown in Fig. 3 can be further selected, the time range that STOP is spaced after door unlatching drives door body to close automatically.
By taking auto-open-close door shown in Fig. 3 as an example.After receiving opening signal, unlocks actuator and driving device is divided equally
It is not rotated with first direction and the first driving direction.Motor A corresponding to actuator is unlocked to drive by the driving of each transmission gear
The backhaul that rack gear is pushed out to 30mm is controlled head position by moving gear, is dallied and is positioned into first state.Driving device 21 operates, together
When electromagnetic clutch 41 be attracted free gear 22 and be allowed to link, the torque transmitting for the first driving direction that driving device 21 is exported
Door body is driven to open to door body attachment device 23.In opening procedure, signal control wheel 51 is revolved together in company with door body attachment device 23
Turn, is gradually rotated by corresponding 0 ° of angle to corresponding 120 ° of angle, angle model of the internal pressure thick stick 52 connected at 120 °
It is fallen into the recess of cam inner wall in enclosing, the second end of the pressing thick stick 52 is driven by the elastic component that its second end is connected, and is turned
It moves to the angular range of the setting, switch 53 is triggered by the second end of the pressing thick stick 52 and exports the first electric signal, indicates
Door body is opened.At this point, completing opening door operation, driving can be closed.
The automatic trigger shutdown movement after preset STOP time interval after door body is opened.In door closing procedure, such as
Fruit rack gear is also maintained at the state of stretching, then can apply second direction by unlock actuator (for example, corresponding motor A reversion
CCW driving) and the position for driving rack gear to be contracted to its other end backhaul control head 31 avoids so that rack gear is contracted to inside
It influences to close the door.It is closed for driving door body, the driving device 21 is at this time with the second driving direction (for example, corresponding motor B reversion
CCW it) operates, electromagnetic clutch 41 is attracted, and the torque of the second driving direction is transmitted to door body attachment device 23, door body is driven to close
It closes.Door body closing angle is equally rotated by signal control wheel 51 in company with door body attachment device 23 together to be obtained.Signal control
Wheel 51 is gradually rotated by corresponding 120 ° of angle to corresponding 0 ° of angle, and the internal pressure thick stick 52 connected is operated in corresponding angle
To the step of 51 inner wall of signal control wheel, the second end of the pressing thick stick 52 is driven by step, exits the angle of the setting
Range, switch 53 are loosened by the second end of the pressing thick stick 52 and are restored to the second electric signal, indicate that door body is opened.
In an implementation mode, to avoid switch from being switched on always through electric current, the second electric signal can be arranged here
At ground connection or low level to extend switch life, system power dissipation is reduced.At this point, completing opening door operation, driving can be closed.And it corresponds to
The first electric signal may be configured as a high level.
Electromagnetic clutch 41 is detached from the state of actuation, and the drive connection between door body and driving device disconnects, can be manual
Switch gate, it is therefore, automatic in the appropriate time that electromagnetic clutch can be after door body unlatching or after closing or switch gate driving exports
It disconnects being detached from and be attracted, by pushing door body is reversed to act on 21 application of driving device when closing, opening the door manually to avoid user
Power protects it from acting in opposition and damages.
The above is only embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as right
The limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (11)
1. a kind of rotary transfer mechanism, which is characterized in that the rotary transfer mechanism is mounted in door body,
For driving door body to open, and/or after door body opening, driving door body is closed.
2. rotary transfer mechanism as described in claim 1, characterized in that it comprises:
Driving device (21)；
Transmission component comprising have transmission gear, free gear (22) and torque force limiting device (24), the transmission gear connects institute
Driving device (21) are stated, are driven by the driving device；The free gear (22) is in company with the torque force limiting device (24) and institute
Transmission gear is stated to operate synchronously, in door opening process, by the driving device (21) output the first driving direction torque by
Transmission gear, free gear are transferred to door body attachment device；Or after door body opening, the driving device (21) are exported
The torque of the second driving direction the door body attachment device is transferred to by transmission gear, free gear；
Door body attachment device (23) connects the door body and the free gear (22), is passed by the free gear (22)
It moves and door body is opened according to the first driving direction or door body is closed according to the second driving direction.
3. rotary transfer mechanism as claimed in claim 2, which is characterized in that the torque force limiting device (24) includes electromagnetic clutch
Device (41) and transmission mechanism (42), the transmission mechanism are separately connected the free gear (22) and the transmission gear；
During the door body opens or closes, the electromagnetic clutch (41) is in first state, is attracted the driver
The torque that structure (42), the transmission mechanism (42) and the transmission gear synchronous rotary export the driving device (21) transmits
To the free gear (22), drives the door body attachment device (23) to operate and open door body or close door body；
After the door body opens or closes, the electromagnetic clutch (41) is in the second state, and the transmission mechanism, which is detached from, to be attracted,
The door body attachment device (23) operates independently of the transmission gear or the driving device (21).
4. rotary transfer mechanism as described in claim 1, which is characterized in that the transmission mechanism is through the electromagnetic clutch
The pitman of device (41), first end and setting are fixed in the free gear (22) of the electromagnetic clutch (41) first end
Connection；
The second end of the pitman passes through the electromagnetic clutch (41), is in first state in the electromagnetic clutch (41)
When, it is engaged with setting in the transmission gear of the electromagnetic clutch (41) second end and is connected to the driving device (21), band
Being driven by the driving device (21) for the free gear synchronous is moved to rotate；The second shape is in the electromagnetic clutch (41)
When state, it is detached from the transmission gear with setting in the electromagnetic clutch (41) second end and engages, the free gear (22) takes off
Driving from the driving device (21).
5. rotary transfer mechanism as described in claim 1, which is characterized in that the rotary transfer mechanism (2) is also connected with door
Body state detection unit, the door body state detection unit include:
Signal control wheel (51) is engaged with the door body attachment device (23), is turned with the door body attachment device (23) is synchronous
It is dynamic；
It presses thick stick (52), first end connects the inner wall of the signal control wheel (51), and second end is by the signal control wheel
(51) it drives and rotates；
It switchs (53), the fixed position for being disposed proximate to described pressing thick stick (52) second end, the switch (53) is pressed described
Pressure thick stick (52) is pressed by the pressing thick stick (52) when turning to the angular range of setting and triggers the first electric signal, in the pressing
Thick stick (52) restores when exiting the angular range of the setting to the second electric signal.
6. rotary transfer mechanism as claimed in claim 5, which is characterized in that the signal control wheel (51) is a cam,
The angular range that the setting is corresponded in the inner wall of the cam is provided with recess, and rest part is platform in the inner wall of the cam
Rank；
The first end of pressing thick stick (52) connects the inner wall of the cam, and the second end of pressing thick stick (52) is also connected with bullet
Property part；
When the cam rotates within the scope of first angle, the first end of pressing thick stick (52) falls into the recessed of the cam inner wall
In falling into, the second end of pressing thick stick (52) is driven by the elastic component, turns to the angular range of the setting, the switch
(53) it is triggered by the second end of pressing thick stick (52) and exports the first electric signal；
When the cam rotates within the scope of second angle, the first end of pressing thick stick (52) is maintained at the cam inner wall
On step, the second end of pressing thick stick (52) presses the elastic component, exits the angular range of the setting, the switch
(53) it is not triggered and restores to the second electric signal.
7. a kind of door body control method, which is characterized in that the rotary transfer mechanism for claim 1 to 6 comprising response is opened
The step of door:
The torque for the first driving direction that the driving device (21) exports is transferred to the door by the torque force limiting device (24)
Body attachment device (23), drives the door body attachment device (23) to operate and to open door body defeated to the door body state detection unit
First electric signal out.
8. door body control method as claimed in claim 7, which is characterized in that further include the steps that response is closed the door:
For the driving device (21) with the operating of the second driving direction, the torque force limiting device (24) is defeated by the driving device (21)
Torque out is transferred to the door body attachment device (23), and the door body attachment device (23) is driven to operate and close door body.
9. door body control method as claimed in claim 7, which is characterized in that further comprising the steps of: the door body open or
After closing, the torque force limiting device (24) is in the second state, and the door body attachment device (23) is made to be detached from the driving device
(21) driving, the door body attachment device (23) operate independently of the driving device (21).
10. a kind of refrigerator, which is characterized in that be equipped with rotary transfer mechanism described in claim 1-6 on the door of the refrigerator.
11. a kind of door, which is characterized in that be equipped with rotary transfer mechanism described in claim 1-6 on the door.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019106843174 | 2019-07-26 | ||
| CN201910684317 | 2019-07-26 |
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| CN110398122A true CN110398122A (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910857674.6A Pending CN110398122A (en) | 2019-07-26 | 2019-09-09 | A kind of rotary transfer mechanism, door body control method, refrigerator and door |
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| Country | Link |
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| CN (1) | CN110398122A (en) |
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| CN112747548A (en) * | 2021-02-26 | 2021-05-04 | 北京小米移动软件有限公司 | Door opening and closing device and refrigerator |
| CN112797718A (en) * | 2021-02-26 | 2021-05-14 | 北京小米移动软件有限公司 | Door opening ejection device, door opening assembly and refrigerator |
| CN112943029A (en) * | 2021-02-26 | 2021-06-11 | 北京小米移动软件有限公司 | Door body rotating mechanism and refrigerator |
| CN114508880A (en) * | 2020-11-17 | 2022-05-17 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN114508882A (en) * | 2020-11-17 | 2022-05-17 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN114508881A (en) * | 2020-11-17 | 2022-05-17 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
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