CN109974367A - A kind of windy door gear of refrigerator - Google Patents
A kind of windy door gear of refrigerator Download PDFInfo
- Publication number
- CN109974367A CN109974367A CN201910269832.6A CN201910269832A CN109974367A CN 109974367 A CN109974367 A CN 109974367A CN 201910269832 A CN201910269832 A CN 201910269832A CN 109974367 A CN109974367 A CN 109974367A
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- Prior art keywords
- guide rail
- gear
- air door
- waveform
- guide groove
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a kind of windy door gears of refrigerator, in particular three throttle settings.The windy door gear includes air door shell (1), power-driven mechanism (2) and direction of motion transformation mechanism (3)；Offer multiple air ports on the air door shell (1), and be respectively arranged on each air port one can freely openable air door；The power-driven mechanism (2) controls the opening or closing independently of corresponding multiple air doors on multiple air ports of the air door shell (1) by direction of motion transformation mechanism (3).Windy door gear of the invention, in particular three throttle settings, the opening and closing of multiple air doors independently can control using single power driving mechanism, and realize the air inlet combination of various states, and Standard is simple, components are few, it is at low cost, whole throttle setting it is small in size, so that the inner space occupancy to refrigerator is low, be conducive to the miniaturization of refrigerator.
Description
Technical field
The present invention relates to refrigerator air door technical fields, and in particular to a kind of windy door gear of refrigerator.
Background technique
With advances in technology, functionally more and more to the temperature control requirement of refrigerator inside different zones, therefore
The combination of air door open and-shut mode is required more and more.
However, existing refrigerator uses the mostly single air door of throttle setting or double throttle settings, three air doors or more
Actual use of the throttle setting on refrigerator product does not occur yet.Wherein, the air inlet combination that single double throttle settings provide is most
Only there are four types of states, can no longer meet the market demand.If reach more kinds of air inlet combinations of states, such as three air doors
Eight kinds of air inlet combinations of states need to combine using single air door+actuator of bis- air doors two, and controller/conducting wire/cable tray etc. is all
Need to be arranged two sets, will lead to refrigerator inside structure further becomes complicated, and assembly is more troublesome, and the occupied sky of refrigerator inside
Between it is more, be unfavorable for miniaturization, low energy consumption, low cost of refrigerator etc. requirement.
Therefore, for using motor to drive three air doors or more are independent to be opened and closed, thus eight kinds of composition or more into
The demand of the windy door gear of wind combinations of states is more more and more urgent.However, the introduction of the windy door gear of existing refrigerator provides
Expect that generally existing includes the defects of structure is complicated and the complexity of function realization is high.For example patent application publication number is
The patent application of CN108895750A, it discloses a kind of windy door gears, however the windy door gear is realizing three or more
The opening and closing process of air door, which needs to cooperate by least 15 or more gears, to be realized, not only structure is complicated, assembly trouble, cost
Height increases the volume of whole throttle setting, so that the space occupancy rate to refrigerator inside is high, is unfavorable for the small-sized of refrigerator
Change design, and practicability is low.
Summary of the invention
It is an object of the invention to for the defects or inadequacies for existing technologies, provide a kind of windy door dress of refrigerator
It sets.The windy door gear, in particular three throttle settings can control multiple air doors independently using single power driving mechanism
Opening and closing, and realize the air inlet combination of various states, and Standard is simple, components are few, at low cost, the body of whole throttle setting
Product is small, so that the inner space occupancy to refrigerator is low, is conducive to the miniaturization of refrigerator.
The purpose of the present invention is achieved through the following technical solutions.
A kind of windy door gear of refrigerator, which is characterized in that including air door shell, power-driven mechanism and movement side
To transformation mechanism；
Multiple air ports are offered on the air door shell, and be respectively arranged on each air port one can freely openable wind
Door；The power-driven mechanism is controlled corresponding multiple on multiple air ports of the air door shell by direction of motion transformation mechanism
Air door opening or closing independently.
A kind of windy door gear of refrigerator as a preferred embodiment, the direction of motion transformation mechanism includes guide rail,
Institute can be opened and closed for the air door in the transform linear motion of the guide rail along its length by the direction of motion transformation mechanism
The rotary motion needed.
A kind of windy door gear of refrigerator as a preferred embodiment, the windy door gear are preferably three throttle settings；
Opened up on the air door shell there are three air port, and be respectively arranged on each air port one can freely openable air door, that is, distinguish
For the first air door, the second air door and third air door；The direction of motion transformation mechanism is double guide rail direction of motion transformation mechanisms；Institute
It states power-driven mechanism and passes through double guide rail direction of motion transformation mechanisms controls first air door, the second air door and third air door point
Not independent opening and closing.
The windy door gear of a kind of refrigerator of embodiment more preferably, double guide rail direction of motion transformation mechanisms
Including first movement guide rail and the second moving guide rail；
The first movement guide rail and the second moving guide rail include a guide rail panel；The guide rail of the first movement guide rail
First waveform guide groove and the second waveform guide groove are respectively provided on the two sides of panel；The guide rail panel of second moving guide rail
There is third waveform guide groove on one side；The first waveform guide groove, the second waveform guide groove and third waveform guide groove are that waveform is mutual
Different waveform guide groove；
First air door, the second air door and third air door pass through rocker arm assembly respectively with first waveform guide groove, second
Waveform guide groove realizes that swing arm connects with third waveform guide groove；
The first movement guide rail and the second moving guide rail can be moved back and forth by power-driven mechanism transmission driving
It is dynamic；It, can be by the first waveform guide groove, the second waveform by the reciprocating movement of the first movement guide rail and the second moving guide rail
Guide groove and the mutually different waveform trace of third waveform guide groove are formed in the end of the corresponding rocker arm assembly of each waveform guide groove
Swing arm is rotated independently of one another, to drive the unlatching independently of first air door, the second air door and third air door and pass
It closes.
Preferably, the first waveform guide groove, the second waveform guide groove and third waveform guide groove be amplitude is identical, wavelength mutually not
Identical waveform guide groove.
A kind of windy door gear of refrigerator as still more preferably embodiment, the guide rail of the first movement guide rail
The guide rail panel of panel and the second moving guide rail passes through main support and is slidably disposed on the air door shell.
A kind of windy door gear of refrigerator as still more preferably embodiment is additionally provided on the guide rail panel
Rack gear；The output end of the power-driven mechanism is connected by meshing transmission with the rack gear on the guide rail panel, to be driven driving institute
It states first movement guide rail and the second moving guide rail moves back and forth.
A kind of windy door gear of refrigerator as still more preferably embodiment, the rocker arm assembly shake including first
Arm component, the second rocker arm assembly and third rocker arm assembly, first air door, the second air door and third air door successively pass through respectively
First rocker arm assembly, the second rocker arm assembly and third rocker arm assembly and the first waveform guide groove, the second waveform guide groove and third
Waveform guide groove realizes swing arm connection；
First rocker arm assembly, the second rocker arm assembly and third rocker arm assembly include a strut and a rocker arm；It is described
One end of strut, which is slidably connected, to be arranged on waveform guide groove, and one end of the other end and the rocker arm is rotatablely connected, the rocker arm
The other end is fixedly connected by transmission shaft with air door.
A kind of windy door gear of refrigerator as still more preferably embodiment, the transmission shaft can be certainly by axle sleeve
By the setting that rotates on the air door shell.
A kind of windy door gear of refrigerator as still more preferably embodiment, the first waveform guide groove is first
Part on the guide rail panel of moving guide rail includes that the both ends straight trough parallel with length direction and interlude are in length direction
The skewed slot at inclination angle；Part of the second waveform guide groove on the guide rail panel of first movement guide rail is in rule along its length
One complete sine waveform；Part of the third waveform guide groove on the guide rail panel of the second moving guide rail includes both ends and length
It spends direction parallel straight trough and interlude and length direction is in the skewed slot at inclination angle；The first waveform guide groove, the second waveform are led
The amplitude of slot and third waveform guide groove is all the same, part of the first waveform guide groove on the guide rail panel of first movement guide rail
With the second waveform guide groove the part on the guide rail panel of first movement guide rail along its length on length it is identical, and described
Three waveform guide grooves the part on the guide rail panel of the second moving guide rail along its length on length be the first waveform lead
Slot the part on the guide rail panel of first movement guide rail along its length on length half；
First air door, the second air door and the corresponding rocker arm assembly of third air door are respectively positioned on same plane；
The power-driven mechanism drives the first movement guide rail and second to move by the transmission of half synchronous transmission gear group
Dynamic guide rail carries out half synchronous reciprocating movement.
A kind of windy door gear of refrigerator as still more preferably embodiment, the half synchronous transmission gear group packet
Include driving gear and driven gear；
There is protrusion in the axial direction of the driving gear, have and the driving gear in the axial direction of the driven gear
The corresponding transverse bar of protrusion, the transverse bar can stop in the direction of rotation of the gear the protrusion；The driven gear is same
Axis is simultaneously rotatably installed on the driving gear, and only reaches the protrusion and the transverse bar in driving gear rotation
When contact, the driven gear is rotated synchronously with the driving gear；
The gear part for connecting the first movement guide rail that is used to engage of the driving gear is half hypodontia；The driving tooth
Wheel also has the full gear portion being coaxially disposed with half teeth-missing gear portion, and the driving gear is by full gear portion and moves
The output end engagement connection of power drive mechanism is to drive the driving gear to carry out forward or reverse；
The gear part for connecting second moving guide rail that is used to engage of the driven gear is hypodontia.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
Windy door gear of the invention, in particular three throttle settings can control multiple wind using single power driving mechanism
The opening and closing of door independently, and realize the air inlet combination of various states, and Standard is simple, components are few, and it is at low cost, it is whole
Throttle setting it is small in size, so that the inner space occupancy to refrigerator is low, be conducive to the miniaturization of refrigerator, practicability is high, tool
The prospect being widely used.
Detailed description of the invention
Fig. 1 is the overall structure diagram of three throttle settings of refrigerator of the invention in specific embodiment；
Fig. 2 is the positive structure diagram of three throttle settings of refrigerator of the invention in specific embodiment；
Fig. 3 is the overlooking structure diagram of three throttle settings of refrigerator of the invention in specific embodiment；
Fig. 4 is the schematic diagram of internal structure of three throttle settings of refrigerator of the invention in specific embodiment；
Fig. 5 is power-driven mechanism and double guide rail direction of motion transforming machines in three throttle settings of refrigerator shown in Fig. 4
The enlarged diagram of structure part；
Fig. 6 is in double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
The assembly structure diagram of rocker arm assembly and guide rail；
Fig. 7 is in double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
The positive structure schematic of first guide rail；
Fig. 8 is in double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
The structure schematic diagram of first guide rail；
Fig. 9 is in double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
The positive structure schematic of second guide rail；
Figure 10 is double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
The assembly structure diagram of middle guide rail and half synchronous transmission gear group；
Figure 11 is double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
In half synchronous transmission gear group driving gear structural schematic diagram；
Figure 12 is double guide rail direction of motion transformation mechanisms of three throttle settings of refrigerator of the invention in specific embodiment
In half synchronous transmission gear group driven gear structural schematic diagram；
Figure 13 is the operation principle schematic diagram of three throttle settings of refrigerator of the invention in specific embodiment；
Attached drawing mark: 1- air door shell, the first air door of 101-, the second air door of 102-, 103- third air door, 2- power drive
Mechanism, 3- direction of motion transformation mechanism, 31- first movement guide rail, the second moving guide rail of 32-, 300- guide rail panel, 301- first
Waveform guide groove, 302- the second waveform guide groove, 303- third waveform guide groove, 304- rack gear, 33- rocker arm assembly, the first rocker arm of 331-
Component, the second rocker arm assembly of 332-, 333- third rocker arm assembly, 3301- strut, 3302- rocker arm, 34- main support, 35- transmission
Axis, half synchronous transmission gear group of 36-, 361- driving gear, 3610- protrusion, the half teeth-missing gear portion 3611-, 3612- expire gear
Portion, 3613- gear recesses, 362- driven gear, 3620- transverse bar, 3621- teeth-missing gear portion, 3622- gear extension, 400-
Power transmission shell, 401- top cover, 402- bottom case.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with specific embodiments and drawings, but the present invention
Protection scope and embodiment it is without being limited thereto.In the description of the embodiment of the present invention, it should be noted that term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right" is to be based on the orientation or positional relationship shown in the drawings or the hair
Bright product using when the orientation or positional relationship usually put, or be only used for distinguishing description, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention, indication or suggestion relative importance can not be interpreted as.
In specifically practicing, a kind of windy door gear of refrigerator of the present embodiment includes air door shell 1, power
Driving mechanism 2 and direction of motion transformation mechanism 3.Multiple air ports are offered on the air door shell 1, and are distinguished on each air port
Be provided with one can freely openable air door；The power-driven mechanism 2 controls the air door shell by direction of motion transformation mechanism 3
Corresponding multiple air doors opening or closing independently on multiple air ports of body 1.In the particular embodiment, power-driven machine
Structure 2 is selected from including motor or servo motor.
Wherein, in a preferred embodiment, the direction of motion transformation mechanism 3 includes guide rail.Direction of motion transformation mechanism 3
It can be that required rotary motion is opened and closed in the air door by the transform linear motion of the guide rail along its length.Pass through movement
Direction transformation mechanism 3 is arranged, and keeps the Standard of whole throttle setting simple, and components are few, at low cost, whole throttle setting
It is small in size, so that the inner space occupancy to refrigerator is low, be conducive to the miniaturization of refrigerator.
Embodiment 1
Referring to shown in FIG. 1 to FIG. 5, a kind of windy door gear of refrigerator of the present embodiment is three throttle settings.The wind
Opened up in gate housing 1 there are three air port, and be respectively arranged on each air port one can freely openable air door, i.e., respectively first
Air door 101, the second air door 102 and third air door 103.Wherein, in the present embodiment, the first air door 101, the second air door 102 and
The setting free to rotate of the side positioned at upside of three air doors 103 is on air door shell 1, to make the first air door 101, the second wind
Door 102 and third air door 103 can freely openables.The direction of motion transformation mechanism 3 is double guide rail direction of motion transformation mechanisms；Institute
It states power-driven mechanism 2 and passes through double guide rail direction of motion transformation mechanisms and control first air door 101, the second air door 102 and the
The opening and closing of three air doors 103 independently.It is motor that the power-driven mechanism 2 of the present embodiment, which is selected,.
Specifically, three throttle settings of the present embodiment are Dan Fengmen+bis- air doors three air door of combination, single air door and double air doors
In same plane.Power-driven mechanism 2 and double guide rail direction of motion transformation mechanism 3 be arranged be located at single air door and double air doors it
Between, it fixes and connects with single air door and double air doors moreover, power-driven mechanism 2 and double guide rail direction of motion transformation mechanisms 3 are contained in one
The power transmission shell 400 connect.Power transmission shell 400 includes a bottom case 402 and a top cover 401, is had in bottom case 402 bottom of by
Accommodating chamber that portion extends towards top, for accommodating power-driven mechanism 2 and double guide rail direction of motion transformation mechanisms 3, top cover
401 are sealingly disposed in the top of bottom case 402 by screw fit.And, wherein third air door 103 is arranged in single air door shell
On, the first air door 101 and the second air door 102 are arranged on double air doors, and the first air door 101 is located at one close to single air door
Side.
In the present embodiment, referring to fig. 4 and shown in Fig. 5, double guide rail direction of motion transformation mechanisms include that first movement is led
Rail 31 and the second moving guide rail 32.Wherein, the first movement guide rail 31 and the second moving guide rail 32 include a guide pass
Plate 300；First waveform guide groove 301 and second are respectively provided on the two sides of the guide rail panel 300 of the first movement guide rail 31
Waveform guide groove 302；There is third waveform guide groove 303 on the one side of the guide rail panel 300 of second moving guide rail 32；It is described
First waveform guide groove 301, the second waveform guide groove 302 and third waveform guide groove 303 are specially that amplitude is identical and wavelength is different
Waveform guide groove.
And first air door 101, the second air door 102 and third air door 103 are by rocker arm assembly 33 respectively with first
Waveform guide groove 301, the second waveform guide groove 302 and third waveform guide groove 303 realize that swing arm connects.
Needed for the setting of the direction of motion transformation mechanism of double-movement guide rail and rocker arm assembly 33 is opened and closed with to provide air door
Rotary motion so that the Standard of whole throttle setting is simple, components are few, at low cost, the volume of whole throttle setting
It is small, so that the inner space occupancy to refrigerator is low, be conducive to the miniaturization of refrigerator.
The first movement guide rail 31 and the second moving guide rail 32 from the power-driven mechanism 2 transmission driving can carry out toward
It is multiple mobile；It, can be by the first waveform guide groove by the reciprocating movement of the first movement guide rail 31 and the second moving guide rail 32
301, the second waveform guide groove 302 is corresponding described in each waveform guide groove with the mutually different waveform trace of third waveform guide groove 303
The end of rocker arm assembly 33 forms and rotates independently of one another swing arm, to drive first air door 101,102 and of the second air door
The opening and closing of third air door 103 independently.
In the present embodiment, the guide rail panel of the guide rail panel 300 of the first movement guide rail 31 and the second moving guide rail 32
300 are slidably disposed on the air door shell 1 by main support 34.Wherein, main support 34 is by being fitted and fixed with setting
Between single air door and the shell of double air doors and it is located in power transmission shell 400, and has on main support 34 so that first moves
The track that the guide rail panel 300 of dynamic guide rail 31 and the guide rail panel 300 of the second moving guide rail 32 slide, and first movement guide rail 31
Guide rail panel 300 and the second moving guide rail 32 guide rail panel 300 on there is the cunning falcon cooperated with the track of main support 34, from
It and move first movement guide rail 31 and the second moving guide rail 32 can along set rectilinear direction.
Moreover, being additionally provided with rack gear 304 on the guide rail panel 300；The output end of the power-driven mechanism 2 with it is described
Rack gear 304 on guide rail panel 300 is connected by meshing transmission, and drives the first movement guide rail 31 and the second moving guide rail with transmission
32 move back and forth.
In the present embodiment, the rocker arm assembly 33 includes that the first rocker arm assembly 331, the second rocker arm assembly 332 and third are shaken
Arm component 333, first air door 101, the second air door 102 and third air door 103 successively pass through the first rocker arm assembly respectively
331, the second rocker arm assembly 332 and third rocker arm assembly 333 and the first waveform guide groove 301, the second waveform guide groove 302 and the
Three waveform guide grooves 303 realize swing arm connection.
Shown in Figure 6, first rocker arm assembly 331, the second rocker arm assembly 332 and third rocker arm assembly 333 wrap
Containing a strut 3301 and a rocker arm 3302；One end of the strut 3301 be slidably connected be arranged on waveform guide groove, the other end with
One end of the rocker arm 3302 is rotatablely connected, and the other end of the rocker arm 3302 is fixedly connected by transmission shaft 35 with air door.
Wherein, the transmission shaft 35 passes through axle sleeve setting free to rotate on the air door shell 1, and transmission shaft
35 are fixedly connected with the side of air door being located above, so that realizes air door can freely overturn opening and closing.In the present embodiment, it uses
It is set on single air door shell in the transmission shaft 35 of connection third air door 103 and third rocker arm assembly 333 by axis；And it is used for
Connect the first air door 101 and 331 transmission shaft 35 of the first rocker arm assembly and for connecting the second air door 102 and the second rocker arm assembly
332 transmission shaft 35 is arranged on double air door shells, for connecting the transmission of the first air door 101 and the first rocker arm assembly 331
Axis 35 is by being arranged on double air door shells, and the transmission shaft 35 for being used to connect the second air door 102 and the second rocker arm assembly 332 is logical
It crosses and is configured through the transmission shaft 35 for connecting the first air door 101 and the first rocker arm assembly 331.
When being worked, guide rail carries out the movement in rectilinear direction along its own length direction, and the connection of strut 3301 is set
With the linear motion of guide rail the sliding motion on the track of guide rail occurs for the one end set on waveform guide groove.Also, due to
The track of waveform guide groove is in wave shape along its length, thus makes sliding motion of the strut 3301 on waveform guide groove that waveform be presented sliding
Dynamic rail mark, so that the one end for being embodied in the connecting rocker arm 3302 of strut 3301 is rendered as the motion profile swung up and down.And due to
Rocker arm 3302 is that one end is rotatably coupled on strut 3301, and the other end of rocker arm 3302 is fixedly connected with transmission shaft 35, because
This rocker arm 3302 shows the rotary motion of rich fixing axle rotation under guidance in swinging up and down for strut 3301, thus realize by
The transform linear motion of guide rail is the rotary motion of rocker arm 3302 and transmission shaft 35, realizes the conversion of the direction of motion, and provide
Rotary motion needed for air door overturning is so that air door overturning is opened and closed.
Further, shown in Figure 7, guide rail panel 300 of the first waveform guide groove 301 in first movement guide rail 31
On part include the both ends straight trough parallel with length direction and interlude and length direction is in the skewed slot at 135 ° of inclination angle.Referring to
Shown in Fig. 8, part of the second waveform guide groove 302 on the guide rail panel 300 of first movement guide rail 31 is in along its length
One complete sine waveform of rule.It is shown in Figure 9, guide rail of the third waveform guide groove 303 in the second moving guide rail 32
Part on panel 300 includes the both ends straight trough parallel with length direction and interlude and length direction is in the oblique of 45 ° of inclination angle
Slot.
Also, the amplitude of the first waveform guide groove 301, the second waveform guide groove 302 and third waveform guide groove 303 is homogeneous
Together, part and second waveform guide groove 302 of the first waveform guide groove 301 on the guide rail panel 300 of first movement guide rail 31
The part on the guide rail panel 300 of first movement guide rail 31 along its length on length it is identical；And the third waveform is led
The length of part of the slot 303 on the guide rail panel 300 of the second moving guide rail 32 is that the first waveform guide groove 301 is moved first
The half of the length of part on the guide rail panel 300 of dynamic guide rail 31, as a result, the guide rail panel 300 of the second moving guide rail 32
Length is also the half of the length of the guide rail panel 300 of first movement guide rail 31.And in the present embodiment, first waveform guide groove 301
It is opposite with third waveform guide groove 303.
Moreover, of course, the position of first waveform guide groove 301 and the second waveform guide groove 302 can be interchanged.
First air door 101, the second air door 102 and the corresponding rocker arm assembly 33 of third air door 103 are respectively positioned on together
In one plane.
Shown in Figure 10, the power-driven mechanism 2 passes through half synchronous transmission gear group 36 transmission driving described first
Moving guide rail 31 carries out partly synchronous reciprocating movement with the second moving guide rail 32.
Specifically, the half synchronous transmission gear group 36 includes driving gear 361 and driven gear 362, driving gear 361
There is half Synchronous Transmission connection relationship with driven gear 362.
Shown in Figure 11, the centre of driving gear 361 is hollow；And shown in Figure 12, the tooth of driven gear 362
The central axis of wheel interconnecting piece extends upward gear extension 3622, and the centre of gear extension 3622 is hollow to install admittedly
Dead axle, gear extension 3622 and the center hollow position of driving gear 361 are mutually adapted, and pass through gear extension 3622 and master
Being mutually adapted for the center hollow position of moving gear 361 keeps driven gear 362 coaxial and is rotatably installed in driving gear 361
On, and can be rotated on driving gear 361.Moreover, shown in Figure 11, the axial direction of the gear connection of driving gear 361
Above, being located at center hollow position periphery has gear recesses 3613；The gear connection edge of driven gear 362 has and gear
The compatible axial micro-convex structure of groove 3613, is rotatably installed in actively in driven gear 362 by gear extension 3622
When on gear 361, the gear connection edge of driven gear 362 is also rotatably adapted to the groove for being installed in driving gear 361
On 3613.
More specifically, the center hollow position periphery on driving gear 361, positioned at driving gear 361 and gear recesses
Between 3613, there is protrusion 3610 in the axial direction of driving gear 361.And shown in Figure 12, the axis of the driven gear 362
There is transverse bar 3620 corresponding with the protrusion 3610 of the driving gear 361 upwards, transverse bar 3620 is located at gear extension
Between 3622 periphery and the gear connection edge of driven gear 362, transverse bar 3620 can be revolved to described raised 3610 in gear
Turn to be stopped on direction.In this way, driving gear 361 work when carry out in preliminary rotation process, due to driven gear 362 with
Clamping relationship is not present in driving gear 361, therefore driven gear 362 does not rotate at this time with driving gear 361；And only in institute
State driving gear 361 rotation reach described raised 3610 with the transverse bar 3620 contact when, the driven gear 362 is with the master
Moving gear 361 rotates synchronously, to realize that the local synchronization of driving gear 361 and driven gear 362 is sequentially connected, in turn
The reciprocating motion local synchronization of double guide rails can be achieved, the realization for the swing arm motion for needing local synchronization movement to operate for two kinds is provided and needed
It wants.
Moreover, in the present embodiment, the driving gear 361 connects described first for engaging referring back to shown in Figure 11
The gear part of moving guide rail 31 is half hypodontia, which is located at close to the side of the driven gear 362.And
And the driving gear 361 also has the full gear portion 3622 being coaxially disposed with half teeth-missing gear portion 3611, i.e., it is described
Driving gear 361 includes two layers of gear part in half teeth-missing gear portion 3611 and full gear portion 3612, full 3612, gear portion
In the side far from the driven gear 362；The driving gear 361 engages company with power mechanism by full gear portion 3612
It connects to drive the driving gear 361 to carry out forward or reverse.
Referring back to shown in Figure 12, in the present embodiment, the gear part of driven gear 362 includes teeth-missing gear portion 3621, hypodontia
Gear part 3621 is used to engage connection with second moving guide rail 32.
The working principle flow chart of three throttle settings of the refrigerator of the present embodiment is shown in Figure 13.Firstly, such as Figure 13 institute
Show orientation, in original operating states I, one end of the strut of third rocker arm assembly 333 is located at the left side of third waveform guide groove 303
On straight guide groove, and one end of the strut of the second rocker arm assembly 332 is located on the wave crest of the rightmost of the second waveform guide groove 302,
One end of the strut of first rocker arm assembly 331 is located at the rightmost side of the straight guide groove in the right of first waveform guide groove 301, and at this time first
Air door 101, the second air door 102 and third air door 103 are in closed state.Then, it is same to begin through half for power-driven mechanism 2
Linear motion takes place in the step transmission of driving gear set 36 driving first movement guide rail 31 and the second moving guide rail 32, due to actively
There are half synchronized links relationships between gear 361 and driven gear 362, drive driving gear 361 to rotate in power-driven mechanism 2
And protrusion 3610 is with transverse bar 3620 not in contact with preceding, the half teeth-missing gear portion 3611 drive first movement guide rail of driving gear 361
31 first move right；In working condition II, the second waveform guide groove 302 is arrived in one end of the strut of the second rocker arm assembly 332
The trough of rightmost, and the straight guide groove in the right of first waveform guide groove 301 is arrived in one end of the strut of the first rocker arm assembly 331
The leftmost side, the first air door 101 is opened at this time, and the second air door 102 is still in closing；In working condition III, the second rocking arm set
The leftmost wave crest of one end the second waveform guide groove 302 of arrival of the strut of part 332, and the strut of the first rocker arm assembly 331
The bottommost of the inclined guide groove of first waveform guide groove 301 is arrived in one end, and the first air door 101 is closed at this time, and the second air door 102 is beaten
It opens；In working condition IV, the leftmost wave of the second waveform guide groove 302 is arrived in one end of the strut of the second rocker arm assembly 332
Paddy, and the leftmost side of the straight guide groove in left side of first waveform guide groove 301 is arrived in one end of the strut of the first rocker arm assembly 331, this
When the first air door 101 open, and the second air door 102 is also opened；Moreover, in working condition II~IV, since the second movement is led
Rail 32 does not move, and third air door 103 is constantly in closed state.Hereafter, power-driven mechanism 2 continues to drive driving gear
361 rotate and reach protrusion and 3610 are in contact with transverse bar 3620, and driven gear 362 starts to synchronize with driving gear 361
Rotation, and make the second moving guide rail 32 that synchronizing moving occur with first movement guide rail 31；In working condition V, the second movement is led
Rail 32 is mobile and arrives at one end of the strut of third rocker arm assembly 333 on the straight guide groove in the right of third waveform guide groove 303, and
Half teeth-missing gear portion 3611 of driving gear 361 no longer drives first movement guide rail 31 to continue to move at this time, the first air door 101,
Second air door 102 and third air door 103 are in opening state.Then, power-driven mechanism 2 inverts, and drives driving gear
361 reversions, protrusion 3610 are separated with transverse bar 3620 not in contact with first movement guide rail 31 is reversely moved to the left at this time, and second
Moving guide rail 32 does not move；In working condition VI, one end of the strut of the second rocker arm assembly 332, which returns, to be arrived to second
The leftmost wave crest of waveform guide groove 302, and one end of the strut of the first rocker arm assembly 331 returns and arrives to first waveform guide groove
The bottommost of 301 inclined guide groove, the first air door 101 are closed, and the second air door 102 is opened；In working condition VII, the second rocker arm
One end return of the strut of component 332 is arrived to the trough of the rightmost of the second waveform guide groove 302, and the first rocker arm assembly 331
Strut one end return arrive to the leftmost side of the straight guide groove in the right of first waveform guide groove 301, the first air door 101 is beaten at this time
It opens, and the second air door 102 is closed；In working condition VIII, one end of the strut of the second rocker arm assembly 332 is back to the second waveform
In the original state of the wave crest of the rightmost of guide groove 302, one end of the strut of the first rocker arm assembly 331 is back to first waveform and leads
In the original state of the rightmost side of the right of slot 301 is straight guide groove, the first air door 101 and the second air door 102 are turned off；And in work
When making state VI~VIII, since the second moving guide rail 32 does not move, third air door 103 still keeps in the open state.
I~VIII working condition based on above-mentioned workflow, the first air door 101, the second air door 102 and third air door 103
Opening and closing assembled state it is as shown in table 1.
The opening and closing assembled state of 1 first air door 101 of table, the second air door 102 and third air door 103
Wherein, 0FF indicates to close, and ON indicates to open.
As shown in Table 1, the refrigerator of the present embodiment can control three wind using single power driving mechanism with windy door gear
The opening and closing of door independently, and can realize the air inlet combination of eight kinds of states；And the windy door gear Standard letter of the present embodiment
Single, components are few, at low cost, whole throttle setting it is small in size, so that the inner space occupancy to refrigerator is low, be conducive to ice
The miniaturization of case, practicability is high, has widely applied prospect.
Also, windy door gears more than three air doors of the invention can be in above-mentioned three air door as in preferred embodiment
On the basis of device, increase waveform guide groove on first movement guide rail 31 or the second moving guide rail 32, while increasing corresponding shake
Arm component 33, or increase the moving guide rail with waveform guide groove, while corresponding increase rocker arm assembly 33, three are obtained to be formed
Throttle setting more than air door.
Above embodiments are only preferred embodiment of the invention, are only that further detailed to technical solution of the present invention work
Description, but protection scope of the present invention and embodiment are without being limited thereto, any without departing under spirit of the invention and principle
Change, combination, deletion, replacement or modification for being made etc. are included in protection scope of the present invention.
Claims (10)
1. a kind of windy door gear of refrigerator, which is characterized in that including air door shell (1), power-driven mechanism (2) and fortune
Dynamic direction transformation mechanism (3)；
Offer multiple air ports on the air door shell (1), and be respectively arranged on each air port one can freely openable air door；
The power-driven mechanism (2) is controlled corresponding on multiple air ports of the air door shell (1) by direction of motion transformation mechanism (3)
Multiple air doors opening or closing independently.
2. a kind of windy door gear of refrigerator according to claim 1, which is characterized in that the direction of motion transforming machine
Structure (3) includes guide rail, and the transform linear motion of the guide rail along its length can be institute by the direction of motion transformation mechanism (3)
It states air door and required rotary motion is opened and closed.
3. a kind of windy door gear of refrigerator according to claim 1 or 2, which is characterized in that be three throttle settings；Institute
State and opened up on air door shell (1) there are three air port, and be respectively arranged on each air port one can freely openable air door, that is, distinguish
For the first air door (101), the second air door (102) and third air door (103)；The direction of motion transformation mechanism (3) is double guide rails
Direction of motion transformation mechanism；The power-driven mechanism (2) passes through double guide rail direction of motion transformation mechanisms and controls first wind
Door (101), the opening and closing of the second air door (102) and third air door (103) independently.
4. a kind of windy door gear of refrigerator according to claim 3, which is characterized in that double guide rail directions of motion
Transformation mechanism includes first movement guide rail (31) and the second moving guide rail (32)；
The first movement guide rail (31) and the second moving guide rail (32) include a guide rail panel (300)；The first movement
First waveform guide groove (301) and the second waveform guide groove are respectively provided on the two sides of the guide rail panel (300) of guide rail (31)
(302)；There is third waveform guide groove (303) on the one side of the guide rail panel (300) of second moving guide rail (32)；It is described
First waveform guide groove (301), the second waveform guide groove (302) and third waveform guide groove (303) are that amplitude is identical, wavelength is different
Waveform guide groove；
First air door (101), the second air door (102) and third air door (103) are by rocker arm assembly (33) respectively with the
One waveform guide groove (301), the second waveform guide groove (302) and third waveform guide groove (303) realize that swing arm connects；
The first movement guide rail (31) and the second moving guide rail (32) can be carried out by the power-driven mechanism (2) transmission driving
It moves back and forth；It, can be by the first wave by the reciprocating movement of the first movement guide rail (31) and the second moving guide rail (32)
Shape guide groove (301), the second waveform guide groove (302) and third waveform guide groove (303) mutually different waveform trace are led in each waveform
The end of the corresponding rocker arm assembly (33) of slot forms and rotates independently of one another swing arm, to drive first air door
(101), the opening and closing of the second air door (102) and third air door (103) independently.
5. a kind of windy door gear of refrigerator according to claim 4, which is characterized in that the first movement guide rail
(31) the guide rail panel (300) of guide rail panel (300) and the second moving guide rail (32) is slidable by main support (34)
It is arranged on the air door shell (1).
6. a kind of windy door gear of refrigerator according to claim 4, which is characterized in that the guide rail panel (300)
On be additionally provided with rack gear (304)；Rack gear on the output end of the power-driven mechanism (2) and the guide rail panel (300)
(304) it is connected by meshing transmission, drives the first movement guide rail (31) and the second moving guide rail (32) back and forth to be moved with transmission
It is dynamic.
7. a kind of windy door gear of refrigerator according to claim 4, which is characterized in that rocker arm assembly (33) packet
Include the first rocker arm assembly (331), the second rocker arm assembly (332) and third rocker arm assembly (333), first air door (101),
Two air doors (102) and third air door (103) successively pass through the first rocker arm assembly (331), the second rocker arm assembly (332) and the respectively
Three rocker arm assemblies (333) and the first waveform guide groove (301), the second waveform guide groove (302) and third waveform guide groove (303) are real
Existing swing arm connection；
First rocker arm assembly (331), the second rocker arm assembly (332) and third rocker arm assembly (333) include a strut
(3301) and a rocker arm (3302)；One end of the strut (3301), which is slidably connected, to be arranged on waveform guide groove, the other end and institute
One end rotation connection of rocker arm (3302) is stated, the other end of the rocker arm (3302) connects by the way that transmission shaft (35) and air door are fixed
It connects.
8. a kind of windy door gear of refrigerator according to claim 7, which is characterized in that the transmission shaft (35) passes through
Axle sleeve setting free to rotate is on the air door shell (1).
9. according to a kind of described in any item windy door gears of refrigerator of claim 4 ~ 8, which is characterized in that the first wave
Part of the shape guide groove (301) on the guide rail panel (300) of first movement guide rail (31) includes that both ends are parallel with length direction
Straight trough and interlude and length direction are in the skewed slot at inclination angle；The second waveform guide groove (302) is in first movement guide rail (31)
Guide rail panel (300) on part be in along its length rule a complete sine waveform；The third waveform guide groove
(303) part on the guide rail panel (300) of the second moving guide rail (32) include the both ends straight trough parallel with length direction with
And interlude and length direction are in the skewed slot at inclination angle；The first waveform guide groove (301), the second waveform guide groove (302) and third
The amplitude of waveform guide groove (303) is all the same, guide rail panel of the first waveform guide groove (301) in first movement guide rail (31)
(300) part of part and the second waveform guide groove (302) on the guide rail panel (300) of first movement guide rail (31) on is along length
The length spent on direction is identical, and the third waveform guide groove (303) is on the guide rail panel (300) of the second moving guide rail (32)
Part along its length on length be the first waveform guide groove (301) first movement guide rail (31) guide rail panel
(300) part on along its length on length half；
First air door (101), the second air door (102) and the equal position of the corresponding rocker arm assembly (33) of third air door (103)
In on same plane；
The power-driven mechanism (2) by the transmission of half synchronous transmission gear group (36) drive the first movement guide rail (31) and
Second moving guide rail (32) carries out half synchronous reciprocating movement.
10. a kind of windy door gear of refrigerator according to claim 9, which is characterized in that the half Synchronous Transmission tooth
Wheel group (36) includes driving gear (361) and driven gear (362)；
Have in the axial direction of the driving gear (361) raised (3610), has and institute in the axial direction of the driven gear (362)
The corresponding transverse bar (3620) of protrusion (3610) of driving gear (361) is stated, the transverse bar (3620) can be to the protrusion
(3610) stopped in the direction of rotation of the gear；The driven gear (362) is coaxial and is rotatably installed in the active
On gear (361), and raised (3610) only are reached in the driving gear (361) rotation and are contacted with the transverse bar (3620)
When, the driven gear (362) rotates synchronously with the driving gear (361)；
The gear part for connecting the first movement guide rail (31) that is used to engage of the driving gear (361) is half hypodontia；It is described
Driving gear (361) also has the full gear portion being coaxially disposed with half teeth-missing gear portion, and the driving gear (361) is logical
Connection is engaged with the output end of power-driven mechanism (2) to drive the driving gear (361) to be rotated forward in overfill gear portion
Or reversion；
The gear part for connecting second moving guide rail (32) that is used to engage of the driven gear (362) is hypodontia.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910269832.6A CN109974367B (en) | 2019-04-04 | 2019-04-04 | Multi-air-door device for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910269832.6A CN109974367B (en) | 2019-04-04 | 2019-04-04 | Multi-air-door device for refrigerator |
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| CN111156760A (en) * | 2020-02-28 | 2020-05-15 | 江苏雷利电机股份有限公司 | Air door device for refrigerator and refrigerator with same |
| CN111271923A (en) * | 2020-02-26 | 2020-06-12 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN112050529A (en) * | 2020-09-30 | 2020-12-08 | 江苏雷利电机股份有限公司 | Air supply device for air-cooled refrigerator and refrigerator comprising same |
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|---|---|
| CN109974367B (en) | 2024-02-20 |
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