CN104329862B - Refrigerator ventilation door and electric refrigerator - Google Patents
Refrigerator ventilation door and electric refrigerator Download PDFInfo
- Publication number
- CN104329862B CN104329862B CN201410624576.5A CN201410624576A CN104329862B CN 104329862 B CN104329862 B CN 104329862B CN 201410624576 A CN201410624576 A CN 201410624576A CN 104329862 B CN104329862 B CN 104329862B
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- Prior art keywords
- driving member
- refrigerator
- door
- air door
- gear
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Classifications
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- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a refrigerator ventilation door. The refrigerator ventilation door comprises a door frame, a door panel and a transmission mechanism, wherein the transmission mechanism comprises a rotary control part, a transmission assembly, a motor and a limiting assembly for limiting the rotation range of the rotary control part; the limiting assembly is provided with a feedback device, the rotary control part is abutted to the feedback device when the door panel rotates to the place, and the feedback device is controlled to return a switching signal to a control system of the electric refrigerator so as to detect whether the refrigerator ventilation door is closed in place. The invention also discloses an electric refrigerator. The electric refrigerator comprises the refrigerator ventilation door. The limiting assembly is provided with the feedback device, so that whether the refrigerator ventilation door is closed in place or opened or not can be judged by detecting the switch-on or switch-off state of the feedback device by the control system of the electric refrigerator, so that the problem that the service life of the refrigerator ventilation door is shortened by enabling the refrigerator ventilation door to be closed in place by increasing the motor step way can be solved, and the icing of a cold storage chamber caused by the incomplete closing of the refrigerator ventilation door also can be avoided.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly, to a kind of refrigerator air door and refrigerator.
Background technology
At present, the air door of refrigerator does not have feedback arrangement, and whether air door closes when closing is put in place and cannot judge, cannot sentence
Whether the door-plate of disconnected air door and doorframe close closely, but are controlled by the control system of refrigerator and allow damper motor operating step number
Exceed step number from open mode to closed mode for the air door, thus to ensure that by way of increasing number of motor steps air door door-plate is transported
Go to position, that is, ensure that air door is closed and put in place.Put in place however, air door being reached by increase damper motor operating step number and closing, meeting
Shorten air door service life；And, it is frozen in or puts in place it is impossible to judge whether air door closes when abnormal when air door freezes, work as wind
Door can cause cold draining when being not turned off putting in place, leads to refrigerating chamber to freeze.
Content of the invention
The main object of the present invention is by a kind of refrigerator air door and refrigerator it is intended to solve tradition by increasing motor step
Number modes put in place and shorten refrigerator air door service life problem ensureing that refrigerator air door is closed, and also avoid refrigerator air door due to closing
Not in place and lead to refrigerating chamber freeze.
In order to achieve the above object, the present invention provides a kind of refrigerator air door, and described refrigerator air door includes doorframe and described door
The door-plate that frame covers, and for controlling the transmission mechanism of described door-plate folding, described transmission mechanism includes described for driving
Rotation controling piece that door-plate rotates, for driving the transmission component that described door-plate rotation controling piece rotates, being used for driving described biography
The motor that dynamic assembly rotates, and for limiting the limit assembly of described rotation controling piece slewing area；On described limit assembly
It is provided with feedback device, described rotation controling piece is abutted with described feedback device when described door-plate rotate in place, control described
Feedback device feedback switch signal, to the control system of refrigerator, is put in place with detecting whether described refrigerator air door closes.
Preferably, described rotation controling piece is a position limited gear, and the tooth of described position limited gear is connected with described transmission component,
Described position limited gear is connected with described door-plate by a connecting shaft；One projection is provided with described position limited gear, described projection exists
Described door-plate is rotate in place and is abutted with described feedback device, so that described feedback device is believed to described control system feedback switch
Number.
Preferably, described transmission component includes at least one driving member, and described driving member includes two travelling gears, a transmission
The tooth of gear and described motor connection, the tooth of another travelling gear is connected with described rotation controling piece.
Preferably, described at least one driving member be sequentially connected the first driving member, the second driving member, the 3rd driving member and
4th driving member；First driving member, the second driving member, the 3rd driving member and the 4th driving member all include two travelling gears；Institute
State the tooth of a travelling gear of the first driving member and described motor connection, the tooth of another travelling gear of described first driving member with
The tooth of one travelling gear of described second driving member connects, the tooth of another travelling gear of described second driving member and the described 3rd
The tooth connection of one travelling gear of driving member, the tooth of another travelling gear of described 3rd driving member and described 4th driving member
The tooth of one travelling gear connects, and the tooth of another travelling gear of described 4th driving member is connected with described rotation controling piece.
Preferably, the rotating shaft of described motor is provided with driving gear, the tooth of described driving gear and described transmission component
Connect.
Preferably, described limit assembly includes the first limited post and the second limited post；Described rotation controling piece is in the first limit
Rotate between position post and the second limited post.
Preferably, described feedback device is arranged on described first limited post, and described feedback device controls in described rotation
Part is turned to and is abutted with described rotation controling piece during described first limited post.
Preferably, described feedback device is touch-switch, and described touch-switch is connected to described control system by wire.
Additionally, in order to achieve the above object, the present invention also provides a kind of refrigerator, described refrigerator include control system and
Refrigerator air door；Described refrigerator air door is electrically connected with described control system；Described refrigerator air door is included doorframe and is covered with described doorframe
Door-plate, and for controlling the transmission mechanism of described door-plate folding, described transmission mechanism is included for driving described door-plate to turn
Dynamic rotation controling piece, for driving the transmission component that described door-plate rotation controling piece rotates, being used for driving described transmission component
The motor rotating, and for limiting the limit assembly of described rotation controling piece slewing area；It is provided with described limit assembly
Feedback device, described rotation controling piece is abutted with described feedback device when described door-plate rotate in place, and controls described ultramagnifier
Part feedback switch signal, to the control system of refrigerator, is put in place with detecting whether described refrigerator air door closes.
Refrigerator air door and refrigerator that the present invention provides, by setting feedback device on limit assembly so that rotating
During control piece drives door-plate to rotate with closing refrigerator air door, when door-plate rotate in place, rotation controling piece and described ultramagnifier
Part abuts, and controls described feedback device feedback switch signal to the control system of refrigerator, to detect refrigerator by control system
Whether air door closes is put in place or opens, thus can accurately detect when refrigerator air door is closed and put in place, solves tradition logical
Crossing increases number of motor steps mode and puts in place and shorten the problem of refrigerator air door service life ensureing that refrigerator air door is closed, meanwhile,
Refrigerator air door can in time detection be out of order when closing not in place, it can be avoided that refrigerator air door leads to cold due to closing not in place
Hide room to freeze.
Brief description
Fig. 1 is the planar structure schematic diagram under refrigerator air door closed mode of the present invention；
Fig. 2 is the internal structure schematic diagram of refrigerator air door closed mode lower transmission mechanism of the present invention；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the internal structure schematic diagram of refrigerator air door open mode lower transmission mechanism of the present invention；
Fig. 5 is the enlarged drawing at B in Fig. 4.
The realization of the purpose of the present invention, functional characteristics and advantage, will, and make furtherly referring to the drawings in conjunction with the embodiments
Bright.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of refrigerator air door, and this refrigerator air door is applied to refrigerator.
Referring to figs. 1 to Fig. 5, Fig. 1 is the planar structure schematic diagram under refrigerator air door closed mode of the present invention；Fig. 2 is this
The internal structure schematic diagram of bright refrigerator air door closed mode lower transmission mechanism；Fig. 3 is the enlarged drawing at A in Fig. 2；Fig. 4 is this
The internal structure schematic diagram of bright refrigerator air door open mode lower transmission mechanism；Fig. 5 is the enlarged drawing at B in Fig. 4.
In one embodiment, the refrigerator air door of the present invention includes the door-plate 102 that doorframe 101 is covered with described doorframe 101,
And for controlling the transmission mechanism 103 of described door-plate 101 folding, described transmission mechanism 103 is included for driving described door-plate
The rotation controling pieces 300 of 102 rotations, for driving the transmission component 400 that described door-plate 102 rotation controling piece 300 rotates, being used for
Drive the motor 500 (as stepper motor) that described transmission component 400 rotates, and be used for limiting 300 turns of described rotation controling piece
The limit assembly 600 of dynamic scope；Feedback device 700 is provided with described limit assembly 600, described rotation controling piece 300 is in institute
State and abut with described feedback device 700 when door-plate 102 rotate in place, control described feedback device 700 feedback switch signal to electricity
The control system (not shown) of refrigerator, is put in place with detecting whether described refrigerator air door closes.
When refrigerator air door will be opened, transmission component 400 is driven to drive rotation controling piece 300 under the driving of motor 500
Rotate, rotation controling piece 300 drives door-plate 102 to rotate to away from doorframe 101 direction when rotating.To close in refrigerator air door
When, drive transmission component 400 to drive rotation controling piece 300 to rotate under the driving of motor 500, rotation controling piece 300 is rotating
When drive door-plate 102 near doorframe 101 direction rotate, when door-plate 102 is covered with doorframe 101, that is, door-plate 102 rotate in place,
Refrigerator air door is closed when putting in place, and rotation controling piece 300 is abutted with the feedback device 700 being arranged on limit assembly 600, controls institute
State feedback device 700 feedback switch signal to the control system of refrigerator so that control system is passed through to detect that feedback device 700 is defeated
Go out the state of switching signal, can interpolate that whether refrigerator air door closes and put in place.
Thus the present invention passes through to arrange feedback device 700 on limit assembly 600, by feedback device 700 feedback switch
Signal to refrigerator control system so that control system can detect rapidly whether refrigerator air door is closed tight or opened, in ice
Case air door is closed control system when putting in place and can accurately be detected, and solves tradition and is ensured by increasing number of motor steps mode
Refrigerator air door closes the problem putting and shortening refrigerator air door service life in place, meanwhile, can when refrigerator air door closes not in place
In time detection is out of order, it can be avoided that refrigerator air door leads to refrigerating chamber to freeze due to closing not in place.
Specifically, described rotation controling piece 300 is a position limited gear, and this position limited gear is in that sectional wheel is arranged, described spacing
The tooth of gear is connected with described transmission component 400, and described position limited gear is connected with described door-plate 102 by a connecting shaft 320；Institute
State and a projection 310 is provided with position limited gear, described projection 310 rotate in place and described feedback device 700 in described door-plate 102
Abut, so that described feedback device 700 is to described control system feedback switch signal.
In refrigerator air door closing process, drive door-plate 102 to rotate by connecting shaft 320 when position limited gear rotates, work as door
Plate 102 is covered with doorframe 101, and when that is, door-plate 102 rotate in place, the projection 310 on position limited gear is supported with described feedback device 700
Connect, tactile feedback device 700, control feedback device 700 to described control system feedback switch signal so that control system is in inspection
Measure the switching signal of feedback device 700 feedback, be capable of detecting when that air door is turned off putting in place.
Specifically, described transmission component 400 includes at least one driving member, and described driving member includes two travelling gears, and one
The tooth of travelling gear is connected with described motor 500, and the tooth of another travelling gear is connected with described rotation controling piece 300.
At least one driving member is set between motor 500 and rotation controling piece 300, the transmission by driving member for the motor 500,
Rotation controling piece 300 is driven to control door-plate 102 to rotate.According to the distance of motor 500 and rotation controling piece 300, can arrange suitably
The driving member of quantity, you can to arrange a driving member or the biography connecting for multiple times between motor 500 and rotation controling piece 300
Moving part.
Specifically, described at least one driving member be sequentially connected the first driving member 410, the second driving member 420, the 3rd biography
Moving part 430 and the 4th driving member 440, that is, transmission component 400 include the first driving member 410, the second driving member being sequentially connected
420th, the 3rd driving member 430 and the 4th driving member 440；First driving member 410, the second driving member 420, the 3rd driving member 430 and
4th driving member 440 all includes two travelling gears；The tooth of one travelling gear of described first driving member 410 and described motor
500 connections, the tooth of another travelling gear of described first driving member 410 and a travelling gear of described second driving member 420
Tooth connects, the tooth of the tooth of another travelling gear of described second driving member 420 and a travelling gear of described 3rd driving member 430
Connect, the tooth of another travelling gear of described 3rd driving member 430 is connected with the tooth of a travelling gear of described 4th driving member 440
Connect, the tooth of another travelling gear of described 4th driving member 440 is connected with described rotation controling piece 300.
As shown in Figure 2 and Figure 4, the first driving member 410 includes the first travelling gear 411 and second in same rotating shaft
Travelling gear (not shown), the second driving member 420 includes the 3rd travelling gear 421 and the 4th transmission in same rotating shaft
Gear (not shown), the 3rd driving member 430 includes the 5th travelling gear 431 and the 6th travelling gear in same rotating shaft
432, the 4th driving member 440 includes the 7th travelling gear 441 and the 8th travelling gear 442 in same rotating shaft.First biography
Moving gear 411, the second travelling gear, the 3rd travelling gear 421 and the 4th travelling gear are circular wheel.Those skilled in the art
It should be appreciated that in Fig. 2 and Fig. 4, because the second travelling gear is located at the rear of the first travelling gear 411, and the second travelling gear
Radius be less than the first travelling gear 411 radius, the therefore second travelling gear in figure be do not show；In the same manner, due to the 4th
Travelling gear is located at the rear of the 3rd travelling gear 421, and the radius of the 4th travelling gear is less than the half of the 3rd travelling gear 421
Footpath, the therefore the 4th travelling gear is not show in figure.As shown in Figure 2 and Figure 4, the 5th travelling gear 431 and the 6th driving cog
Wheel 432 is circular wheel, and the 5th travelling gear 431 is located at the front of the 6th travelling gear 432, the 5th travelling gear 431 radius
Radius less than the 6th travelling gear 432；7th travelling gear 441 is sectional wheel, and the 8th travelling gear 442 is circular wheel.
Specifically, the rotating shaft of described motor 500 is provided with driving gear 510, the tooth of described driving gear and described biography
Dynamic assembly 400 connects.
As shown in Figure 2 and Figure 4, driving gear 510 first travelling gear 411 in the rotating shaft of motor 500 engages, the second biography
Moving gear and the 3rd travelling gear 421 engage, and the 4th travelling gear and the 6th travelling gear 432 engage, the 5th travelling gear 431
Engage with the 8th travelling gear 442, the 7th travelling gear 441 is engaged with position limited gear (i.e. drive control part 300).
During the axis of rotation of motor 500, with axis of rotation, now, driving gear 510 carries driving gear 510
Dynamic first travelling gear 411 rotates, and the second travelling gear rotates with the first travelling gear 411, thus driving the 3rd driving cog
Wheel 421 rotation；4th travelling gear rotates with the 3rd travelling gear 421, thus driving the 6th travelling gear 432 to rotate；The
Five travelling gears 431 rotate with the 6th travelling gear 432, thus driving the 8th travelling gear 442 to rotate；7th travelling gear
441 rotate with the 8th travelling gear 442, thus driving position limited gear to rotate, drive 102 turns of door-plate when position limited gear rotates
Dynamic.Assume when motor 500 rotates forward, drive door-plate 102 to rotate along near doorframe 101 direction when position limited gear rotates, to close
Close refrigerator air door, then when motor 500 inverts, when position limited gear rotates, drive door-plate 102 to turn along away from doorframe 101 direction
Dynamic, to open refrigerator air door.
Specifically, as shown in Figures 2 to 5, described limit assembly 600 includes the first limited post 610 and the second limited post
620；Described rotation controling piece 300 rotates between the first limited post 610 and the second limited post 620.
It is that position limited gear drives door-plate 102 along in the doorframe 101 direction rotation process in rotation controling piece 300, when
When door-plate 102 turns at the first limited post 610, the tooth of position limited gear is offseted with the first limited post 610, the first limited post 610
Position limited gear is blocked so that position limited gear does not continue to rotate, now, door-plate 102 has been rotated to position, i.e. door-plate 102 and door
Frame 101 closely covers, and refrigerator air door is closed, and refrigerator air door is closed down, state such as Fig. 2 and Fig. 3 institute of position limited gear
Show.Drive door-plate 102 in position limited gear along away from doorframe 101 direction rotation process, to turn to second spacing when door-plate 102
When at post 620, the tooth of position limited gear is offseted with the second limited post 620, and the second limited post 620 blocks position limited gear so that limiting
Position gear does not continue to rotate, and now, refrigerator air door is in open mode, and refrigerator air door is under open mode, position limited gear
State as shown in Figure 4 and Figure 5.
Specifically, described feedback device 700 is arranged on described first limited post 610, and described feedback device 700 is described
Rotation controling piece 300 is turned to and is abutted with described rotation controling piece 300 during described first limited post 610.
When rotation controling piece 300 is that position limited gear turns at the first limited post 610, the projection 310 on position limited gear
Offset with the feedback device 700 on the first limited post 610, projection 310 tactile feedback device 700, control feedback device 700 to control
System feedback switching signal processed is so that control system, in switching signal feedback device 700 feedback is detected, is capable of detecting when wind
Door is turned off putting in place.
Specifically, described feedback device 700 is touch-switch, and described touch-switch is connected to described control by wire 800
System processed.
The present embodiment using touch-switch as feedback device 700, thus control system can according to the conducting of touch-switch or
Off state puts in place judging whether refrigerator air door closes, you can be to lead by the switching signal that detects feedback device 700 feedback
Logical or cut-off signals put in place judging whether refrigerator air door closes.
According to actual needs, touch-switch can be selected for normally closed switch or normal open switch.If touch-switch is normally closed switch,
Touch-switch conducting in normal state, the switching signal that control system detects is Continuity signal；When rotation controling piece 300 is
When position limited gear turns at the first limited post 610, projection 310 touches touch-switch, and touch-switch is pressed, and now touches out
Close and become an OFF state by conducting state, the switching signal that control system detects is changed into cut-off signals, thus control system can
Judge that now door-plate 102 cuts out closely with doorframe 101, refrigerator air door is turned off putting in place, can stop driving with controlled motor 500
Dynamic position limited gear is rotated further.
If touch-switch is normal open switch, touch-switch turns off in normal state, the switch that control system detects
Signal is off signal；When rotation controling piece 300 is that position limited gear turns at the first limited post 610, projection 310 touches gently
Touch switch, touch-switch is pressed, and now touch-switch is changed into conducting state from off state, the switch that control system detects
Signal is changed into Continuity signal, thus control system can determine whether out that now door-plate 102 cuts out closely with doorframe 101, refrigerator air door
It is turned off putting in place, can stop driving position limited gear to be rotated further with controlled motor 500.
From the foregoing, in refrigerator air door closing process, when control system detects the state change of touch-switch,
Can detect that position limited gear has been rotated to position, door-plate 102 has been contacted closely with doorframe 101, and refrigerator air door is turned off closely.
If on the contrary, in refrigerator air door closing process, motor 500 operating step number reached air door from open mode to
The step number of the required operating of closed mode motor 500, and control system be not detected by touch-switch state change when, can detect
Go out refrigerator air door and close appearance extremely.
For example, when refrigerator air door freezes in off position and is frozen in, rotation controling piece 300, transmission component 400 cannot turn
Dynamic, now, even if motor 500 is opened the step number of the required operating that operated during door-plate 102, the projection on position limited gear by driving
310 still cannot depart from touch-switch, and now control system detects that the state of touch-switch does not change, and refrigerator air door is described
Operating is abnormal.
When refrigerator air door freezes and is frozen in open mode, rotation controling piece 300, transmission component 400 cannot rotate, this
When, even if the step number of the required operating that operated when motor 500 drives and cuts out door-plate 102, the projection 310 on position limited gear is still
Touch-switch cannot be touched, now control system detects that the state of touch-switch does not change, illustrate that refrigerator air door operates
Abnormal.
The present invention can detect that abnormal situation in refrigerator air door exactly, can avoid refrigerator air door due to closing not
Put in place and lead to refrigerating chamber to freeze, refrigerator air door service life can be extended, also enough families offer convenience.
The present invention also provides a kind of refrigerator, and this refrigerator includes control system and refrigerator air door；Described refrigerator air door with
The electrical connection of described control system, the structure of described refrigerator air door and the beneficial effect brought all with reference to above-described embodiment, this
Place repeats no more.Control system, when refrigerator air door operating exception is detected, can report an error and inform that user's refrigerator air door needs to tie up
Repair the normal use it is ensured that refrigerator.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or it is related to be directly or indirectly used in other
Technical field, be included within the scope of the present invention.
Claims (9)
1. a kind of refrigerator air door, the door-plate covering with described doorframe including doorframe, and for controlling the biography of described door-plate folding
Motivation structure is it is characterised in that described transmission mechanism is included for driving the rotation controling piece of described door-plate rotation, being used for driving institute
State transmission component, the motor for driving described transmission component to rotate of the rotation of door-plate rotation controling piece, and be used for limiting institute
State the limit assembly of rotation controling piece slewing area；It is provided with feedback device, described rotation controling piece exists on described limit assembly
Abut with described feedback device when described door-plate rotate in place, control described feedback device feedback switch signal to the control of refrigerator
System processed, is put in place with detecting whether described refrigerator air door closes.
2. refrigerator air door as claimed in claim 1 it is characterised in that described rotation controling piece be a position limited gear, described limit
The tooth of position gear is connected with described transmission component, and described position limited gear is connected with described door-plate by a connecting shaft；Described spacing
One projection is provided with gear, described projection is rotate in place in described door-plate and abutted with described feedback device, so that described feedback
Device is to described control system feedback switch signal.
3. refrigerator air door as claimed in claim 1 is it is characterised in that described transmission component includes at least one driving member, described
Driving member includes two travelling gears, the tooth of a travelling gear and described motor connection, the tooth of another travelling gear with described turn
Dynamic control piece connects.
4. refrigerator air door as claimed in claim 3 is it is characterised in that described at least one driving member is the first biography being sequentially connected
Moving part, the second driving member, the 3rd driving member and the 4th driving member；First driving member, the second driving member, the 3rd driving member and the 4th
Driving member all includes two travelling gears；The tooth of one travelling gear of described first driving member and described motor connection, described the
The tooth of another travelling gear of one driving member is connected with the tooth of a travelling gear of described second driving member, described second driving member
The tooth of another travelling gear be connected with the tooth of a travelling gear of described 3rd driving member, another biography of described 3rd driving member
The tooth of moving gear is connected with the tooth of a travelling gear of described 4th driving member, another travelling gear of described 4th driving member
Tooth is connected with described rotation controling piece.
5. refrigerator air door as claimed in claim 1 is it is characterised in that be provided with driving gear in the rotating shaft of described motor, institute
The tooth stating driving gear is connected with described transmission component.
6. refrigerator air door as claimed in claim 1 is it is characterised in that described limit assembly includes the first limited post and the second limit
Position post；Described rotation controling piece rotates between the first limited post and the second limited post.
7. refrigerator air door as claimed in claim 6 is it is characterised in that described feedback device is arranged at described first limited post
On, described feedback device is abutted with described rotation controling piece when described rotation controling piece turns to described first limited post.
8. refrigerator air door as claimed in claim 7, it is characterised in that described feedback device is touch-switch, described touches out
Close and connected to described control system by wire.
9. a kind of refrigerator, including control system it is characterised in that described refrigerator also include any one in claim 1 to 8
Refrigerator air door described in；Described refrigerator air door is electrically connected with described control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624576.5A CN104329862B (en) | 2014-11-07 | 2014-11-07 | Refrigerator ventilation door and electric refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624576.5A CN104329862B (en) | 2014-11-07 | 2014-11-07 | Refrigerator ventilation door and electric refrigerator |
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| Publication Number | Publication Date |
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| CN104329862A CN104329862A (en) | 2015-02-04 |
| CN104329862B true CN104329862B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410624576.5A Active CN104329862B (en) | 2014-11-07 | 2014-11-07 | Refrigerator ventilation door and electric refrigerator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879996B (en) * | 2015-05-29 | 2017-05-31 | 海信容声(广东)冰箱有限公司 | A kind of detection position limiting structure of cold storage plant air door |
| CN104896866B (en) * | 2015-05-29 | 2017-08-25 | 海信容声(广东)冰箱有限公司 | A kind of detection position limiting structure, refrigerator and the cold storage plant of cold storage plant air door |
| CN104896867B (en) * | 2015-05-29 | 2017-10-03 | 海信容声(广东)冰箱有限公司 | A kind of detection position limiting structure, cold storage plant and the control method of cold storage plant air door |
| CN111750597A (en) * | 2019-03-26 | 2020-10-09 | 青岛海尔电冰箱有限公司 | Refrigeration device |
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| CN1307217A (en) * | 2000-01-31 | 2001-08-08 | 株式会社三协精机制作所 | Motor type air door device |
| CN2549408Y (en) * | 2002-06-03 | 2003-05-07 | 张炳圣 | Airing opening of refrigerator |
| CN101566420A (en) * | 2008-04-24 | 2009-10-28 | 海信（北京）电器有限公司 | Electric air door and refrigerator with same |
| CN103900343A (en) * | 2014-04-04 | 2014-07-02 | 合肥美的电冰箱有限公司 | Refrigerator air door opening and closing control system and refrigerator air door closing control method |
| CN204268787U (en) * | 2014-11-07 | 2015-04-15 | 合肥美的电冰箱有限公司 | Refrigerator air door and refrigerator |
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|---|---|
| CN104329862A (en) | 2015-02-04 |
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