CN109556345A - A kind of refrigerator - Google Patents
A kind of refrigerator Download PDFInfo
- Publication number
- CN109556345A CN109556345A CN201811457088.4A CN201811457088A CN109556345A CN 109556345 A CN109556345 A CN 109556345A CN 201811457088 A CN201811457088 A CN 201811457088A CN 109556345 A CN109556345 A CN 109556345A
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- Prior art keywords
- arc
- door body
- mandril
- arc mandril
- driving
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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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Landscapes
- 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)
- Refrigerator Housings (AREA)
Abstract
The present invention discloses a kind of refrigerator, is related to technical field of refrigeration equipment, and after the automatic door opening to solve refrigerator larger angle in the prior art, arc chain bar will protrude cabinet at closing time, unsightly and unsafe problem and invent.The refrigerator, including cabinet, the opening of the cabinet is equipped with door body, switch door component is connected between the door body and the cabinet, the switch door component includes arc mandril and driving assembly, the outer end of the arc mandril is slidably connected with the door body, inner end is protruded into the cabinet, the rotation axis of the arc mandril is parallel with the articulated shaft of the door body and not conllinear, the driving component can drive the arc mandril to rotate around it axis rotation, and when the arc mandril rotates first angle, the door body rotation second angle can be driven, and the second angle is greater than the first angle.The present invention can be used for the automatic opening and closing door of refrigerator larger angle.
Description
Technical field
The present invention relates to technical field of refrigeration equipment more particularly to a kind of refrigerators.
Background technique
With social progress, development in science and technology, requirement of the people to quality of the life is higher and higher, and refrigerator is as in life
Common household electrical appliances, requirement of the people to refrigerator are also higher and higher.Cool air leakage in order to prevent, refrigerator would generally be real using gasket
Existing good sealing effect, but since gasket the suction-combining force is larger, and refrigerator can be formed in refrigeration in refrigerator body
Certain negative pressure, this has resulted in user and has been difficult to the problem of opening refrigerator doors.
Occur some to be to open refrigerator doors by ejecting mechanism with the refrigerator of automatic door opening, this refrigerator on the market
After one low-angle (less than 30 °), ejecting mechanism automatically resets to original state, needs user to continue manually to open door,
Article can be normally picked and placed, also user is needed to close the door manually after having picked and placed article.
To solve the above-mentioned problems, one kind is provided in prior art CN107421222A may be implemented refrigerator automatic switch
The device of door, including arc chain bar, driving gear, driven gear and motor, arc chain bar inside are equipped with multiple internal tooths, arc chain
Bar one end is fixed in door body, and the other end extends in the accommodating cavity of top of the box, driving gear, driven gear and arc chain
The internal tooth of bar is successively meshed, and driving gear is mounted on the output shaft of motor, drives driving gear rotation by motor, thus
Drive driven gear rotation, by driven gear drive arc chain bar rotation, arc chain bar rotation pull door body realize door body from
It is dynamic to open the door or close the door.This device provided in the prior art, which can only at most be realized, opens refrigerator doors to 90 °, once exceed this
A angle, arc chain bar will protrude cabinet at closing time, unsightly and dangerous.But it can usually be arranged on the inside of refrigerator door and set
Drawer can be set in rack and refrigerator, even if refrigerator doors are opened to 90 °, pick and place article to supporter and push-and-pull drawer is still
Very inconvenient, so this refrigerator can not meet the daily demand of user.
Summary of the invention
The embodiment of the present invention provides a kind of refrigerator, in order to solve the automatic door opening of refrigerator larger angle in the prior art
Afterwards, arc chain bar will protrude cabinet at closing time, unsightly and unsafe problem.
In order to achieve the above objectives, the embodiment provides a kind of refrigerator, including cabinet, the openings of the cabinet
Equipped with door body, be connected with switch door component between the door body and the cabinet, the switch door component include arc mandril and
Driving assembly, outer end and the door body of the arc mandril are slidably connected, and inner end is protruded into the cabinet, the arc mandril
Rotation axis it is parallel with the articulated shaft of the door body and not conllinear, the driving component can drive the arc mandril around its turn
Moving axis rotation, and when the arc mandril rotates first angle, the door body rotation second angle, and described second can be driven
Angle is greater than the first angle.
A kind of refrigerator provided in an embodiment of the present invention, is rotated by arc mandril and door body is driven to rotate, by arc mandril
Rotation axis and the articulated shaft of door body be provided parallel to and not conllinear, i.e. the rotational trajectory of the rotational trajectory of arc mandril and door body
It is different；And in order to coordinate the difference of the two rotational trajectory, the outer end of arc mandril and the door body is slidably connected, arc is passed through
When shape mandril drives door body rotation larger angle, arc mandril itself rotates smaller angle, and so, arc mandril can be made
Length short compared with prior art is caused, so arc mandril can not after door body closing, when arc mandril is withdrawn completely
Cabinet is stretched out, so that user be facilitated to have both aesthetics and the safety of product while picking and placing object from refrigerator.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of refrigerator of the embodiment of the present invention；
Fig. 2 is the top view of refrigerator of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram that refrigerator door of the embodiment of the present invention is opened；
Fig. 4 is arc mandril in refrigerator of the embodiment of the present invention in the intracorporal structural schematic diagram of case；
Fig. 5 is the structural schematic diagram of arc mandril in refrigerator of the embodiment of the present invention；
Fig. 6 is the cross-sectional view of arc mandril in refrigerator of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram that door component is switched in refrigerator of the embodiment of the present invention；
Fig. 8 is that refrigerator of the embodiment of the present invention is in the structural schematic diagram in automatic opening and closing door scheme；
Fig. 9 is that refrigerator of the embodiment of the present invention is in the structural schematic diagram in manual switch door scheme；
Figure 10 is structural schematic diagram when refrigerator of the embodiment of the present invention is in door body closing in manual switch door scheme；
Figure 11 is structural schematic diagram when refrigerator of the embodiment of the present invention is in door body unlatching in manual switch door scheme；
Figure 12 is the coordinate diagram of the rotation axis axle center calculating process of arc mandril in refrigerator of the embodiment of the present invention；
Figure 13 is the movement locus schematic diagram of arc mandril and door body in refrigerator of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Fig. 2, the embodiment provides a kind of refrigerator, including cabinet 100, the opening of the cabinet 100
Equipped with door body 200, switch door component is connected between the door body 200 and the cabinet 100, the switch door component includes arc
Shape mandril 300 and driving assembly 400, referring to Fig. 7, the outer end 310 of the arc mandril is slidably connected with the door body 200, interior
End 320 is protruded into the cabinet 100, and the rotation axis 330 of the arc mandril and the articulated shaft 210 of the door body are parallel and untotal
Line, the driving component 400 can drive the arc mandril 300 to rotate around it the rotation of axis 330, and work as the arc mandril
When 300 rotation first angle, the door body 200 can be driven to rotate second angle, and the second angle is greater than described first jiao
Degree.
A kind of refrigerator provided in an embodiment of the present invention drives door body 200 to rotate, by arc by the rotation of arc mandril 300
The rotation axis 330 of shape mandril and the articulated shaft 210 of door body are provided parallel to and not conllinear, i.e. the rotational trajectory of arc mandril 300
It is different from the rotational trajectory of door body 200；And in order to both coordinate the difference of rotational trajectory, by the outer end 310 of arc mandril with
The door body 200 is slidably connected, when driving door body 200 to rotate larger angle by arc mandril 300, arc mandril 300 itself
Smaller angle is rotated, so, arc mandril 300 can be made into length short compared with prior art, so in door
After the closing of body 200, when arc mandril 300 is withdrawn completely, arc mandril 300 can not stretch out cabinet 100, to facilitate user from ice
Case has both aesthetics and the safety of product while picking and placing object.
In order to accurately control the rotation angle of door body 200, arc mandril 300 is controlled using gear-driven mode
Angle is rotated, i.e. driving assembly 400 includes motor 410 and transmission gear 420, as shown in fig. 7, the output shaft and biography of motor 410
Moving gear 420 connects, and torque can be transmitted between the output shaft of motor 410 and transmission gear 420；Correspondingly, arc mandril 300
Extending along directional spreding has driving cog 340, and the driving cog 340 of arc mandril 300 is engaged with transmission gear 420.Due to gear
Transmission has the advantages that precision height and high-efficient, so the rotation angle of arc mandril 300 can be accurately and efficiently controlled, in turn
It is accurately controlled the rotation angle of door body 200；And gear transmission structure is compact, can save for the numerous refrigerators of part empty
Between；Most of all, gear drive reliable operation and long service life, can accordingly decrease breakdown of refrigerator rate.
Preferably, as shown in fig. 7, in order to adjust transmission ratio, transmission gear 420 can be set to multiple, multiple driving cogs
Successively engagement forms gear set to wheel 420, and motor 410 is connect with the transmission gear 420 of gear set input terminal, arc mandril 300
Driving cog 340 is engaged with the transmission gear 420 of gearset output.Since the radial dimension of motor shaft 411 is typically small, and
The rotation speed of motor shaft 411 is very fast, it is possible to adjust transmission ratio by setting gear set, and then adjust motor shaft 411
It is driven the velocity of rotation for reaching arched top bar 300 by transmission gear 420 layer by layer, final adjustment door body 200 rotation speed, with
This provides the user with a suitable switch gate speed, improves user experience.
The course of work of refrigerator automatic opening and closing door of the embodiment of the present invention specifically: referring to Fig.1, when refrigerator receives enabling letter
Number, motor 410 drives transmission gear 420 to rotate, and transmission gear 420 drives arc mandril 300 around the rotation axis of arc mandril 300
Rotation, arc mandril 300 are gradually stretched out from cabinet 100, and door body 200 is revolved under the active force of arc mandril 300 around articulated shaft 210
Then it gradually opens；Simultaneously as the rotation axis of arc mandril 300 is parallel with the articulated shaft 210 of door body 200 and not conllinear, i.e.,
The two motion profile is different, and with the variation of 200 opening angle of door body, arc mandril 300 is slided in door body 200 and left just
Beginning position；After door body 200 is opened into set angle, referring to Fig. 3, motor 410 is stopped doing power, and then transmission gear 420 and arc
300 stop motion of shape mandril, user accesses article in refrigerator at this time；When refrigerator receives door signal, the driving of motor 410 is passed
Moving gear 420 rotates backward, and transmission gear 420 drives arc mandril 300 to rotate around the rotation axis 330 of arc mandril, arched top
Bar 300 is gradually retracted in cabinet 100, and arc mandril 300 slides in door body 200 and return to initial position, and door body 200 is in arc
It is rotated around articulated shaft 210 to completely closing under the active force of shape mandril 300.
When rotating first angle in order to ensure arc mandril 300, door body 200 can be driven to rotate second angle, and second jiao
Degree is greater than first angle, i.e. the rotation axis 330 of arc mandril and 210 position of articulated shaft of door body is different.The rotation of arc mandril
The implementation of 330 position of axis setting can be when arc mandril 300 moves with the outer end 310 of arc mandril there are many kind
Reference point, reference when being moved with the initial contact point of the outer end 310 of arc mandril as door body 200 when not opened using door body 200
Point, as shown in figure 13, wherein S1For the path curves of the outer end 310 of arc mandril, S2For the movement of the initial contact point
Geometric locus, it can be seen that in the opening-closing process of door body 200, the outer end 310 of arc mandril and the fortune of the initial contact point
Dynamic rail mark is different, and when door body 200 is closed, the outer end 310 of arc mandril is overlapped with the initial contact point, in door
During body 200 is opened, the outer end 31 of arc mandril is gradually slided to the direction close to articulated shaft 210, to make arched top
The outer end 310 of bar is different with the motion profile of the initial contact point；Due to the difference of above-mentioned motion profile, door body 200 can be made
When opening certain angle, the angle that arc mandril 300 rotates is smaller, and the angle that door body 200 rotates is larger, it is possible thereby to
Ensure that arc mandril 300 does not stretch out cabinet 100 when withdrawing.In addition, providing arc mandril in one of the implementation manners
330 axle center of rotation axis algorithm, specific calculating process are as follows: for ease of calculation, with 200 opening angle of door body be 0 ° to 135 °
For.It is 0 ° in 200 opening angle of door body, coordinate system, reference are established when being located at cabinet frontside edge in the outer end 310 of arc mandril
Figure 12 sets 200 inner edge of door body as X-axis, and 100 side of cabinet is Y-axis；320 coordinate of inner end of arc mandril is (0, y1), outer end
Coordinate is (x1,0), and 330 axle center coordinate of rotation axis is (x, y)；200 opening angle of door body be 135 ° when, arc mandril it is interior
For 320 rotation of end to cabinet frontside edge, that is, extreme position, 320 coordinate of inner end is (x1,0), 310 coordinate of outer end be (- 27 ,-
110).Equation can be listed below according to trigonometric function relationship and 300 movement relation of arc mandril:
x2+(y1-y)2=(x+27)2+(y+110)2
x2+(y1-y)2=(x1-x)2+y2
x12+y12=(x1+27)2+1102
The extreme position that 330 axle center of rotation axis of arc mandril can be found out by above four quaternary quadratic equations, according to pole
Extreme position chooses suitable shaft core position again.
The calculation shows that, when door body 200 is opened into 135 °, arc mandril 300 has rotated 109 °.
In fact, user can sometimes abandon automatic opening and closing door function or chance during refrigerator automatic opening and closing door
It to power failure, at this time just needs refrigerator that can switch in automatic opening and closing door and manual switch door two schemes, is used with coping with
Different situations in the process.Referring to Fig. 8, to solve the above-mentioned problems, it is equipped with telescopic driving key 412 in motor shaft 411, passes
Keyway 422 is equipped in the centre bore 421 of moving gear 420, keyway 422 is corresponding with the position of driving key 412, and driving key 412 connects
Have a control device 600, control device 600 be able to drive driving key 412 along motor shaft 411 extend radially out motor shaft 411 it is outer or
It withdraws in motor shaft 411.User can by control driving key 412 and the cooperation of keyway 422 or separate realize motor 410 and
Transmission gear 420 connects or disconnects, and specifically, when driving key 412 stretches out, driving key 412 and keyway 422 cooperate, motor
410 connect with transmission gear 420, i.e., arc mandril 300 is indirectly controlled by motor 410 and rotated, because of motor 410 and driving cog
Wheel 420 is stuck state, manpower can not acceleration switch door body 200 or reversed row it；Referring to Fig. 9, when driving key 412 is withdrawn
When, driving key 412 is separated with keyway 422, and motor 410 and transmission gear 420 disconnect, i.e., transmission gear 420 is not controlled by motor 410
System, correspondingly, arc mandril 300 is also at free state, at this time can switch door body 200 by manpower.Further, it controls
Device 600 processed includes electromagnet 610 and spring 620, is equipped with mounting groove 413 in motor shaft 411, driving key 412 and spring 620 are set
It is placed in mounting groove 413, spring 620 is connect with driving key 412, and when electromagnet 610 powers off, the elastic force of spring 620, which pushes, to be passed
Dynamic key 412 is extend out to outside motor shaft 411, and when electromagnet 610 is powered, the magnetive attraction of electromagnet 610 can overcome spring 620
Elastic force simultaneously drives driving key 412 to be retracted in mounting groove 413.In this way, which driving key 412 is to protrude into keyway under conventional sense
In 422, that is, it is defaulted as the scheme of automatic opening and closing door；When user's control electromagnet 610, electromagnet 610 promotes spring 620 to shrink
And the scheme that driving key 412 is withdrawn, and is switched for manual switch door.
In order to farthest make arc mandril 300 drive door body 200 to be rotated up to angle, door body with the smallest angle
200 offer sliding slot 220 along its width direction, as shown in figure 3, and the setting of sliding slot 220 can also make the outer of arc mandril
End 310 is slided along trapped orbit, and then is stably rotated arc mandril 300, and the outer end 310 of arc mandril is additionally provided with sliding block
500, sliding block 500 is slidably matched with sliding slot 220.It, can also be matingly in order to keep the rotary course of arc mandril 300 more stable
Mounting base 110 is set in cabinet 100, as shown in fig. 7, switch door component is fixed in mounting base 110；Preferably, it switchs
Door component can also share hinged cover 120 with articulated shaft 210, as shown in Fig. 2, hinged cover 120 is covered on articulated shaft 210 and switch
In door component, it is made not leak outside, and reduce and fall ash or water inlet, extends product service life while improving Product Safety.
In addition, enable sliding block 500 that door body 200 to be pulled to close to give sliding block 500 to provide the point of application at closing time, it is sliding
Backstop flange 221 is equipped at the notch of slot 220, it is practical when door body 200 is opened under the action of switching door component referring to Fig. 6
On be that the outer end 310 of arc mandril pushes the face A in sliding slot 220 to drive the door body 200 to rotarily open；When door body 200 is switching
When closing under the action of door component, actually the outer end 310 of arc mandril pulls the backstop flange at the notch of sliding slot 220
The face B in 221 drives 200 rotary closing of door body.Stopper section can also be arranged in the notch both ends of sliding slot 220, in this way, work as
Door body 200, which is opened, arrives maximum angle or closing, and arc mandril 300 reaches the limit of position, and sliding block 500 all will not be from sliding slot
It falls off in 220, can guarantee the reliability for being automatically switched door gear in this way.Preferably, sliding slot 220 can be C-channel, sliding block
500 can be T-shaped slider.
It is understood that as shown in Figure 4, Figure 5, sliding block 500 is equipped with rotatable idler wheel 510 in order to reduce friction,
Idler wheel 510 is in rolling contact with sliding slot 220.It being in rolling contact compared with for sliding contact, friction greatly reduces, and product loss reduces, into
And extend product service life.It is highly preferred that idler wheel 510 can be I shape idler wheel 510, i.e., 510 both ends of idler wheel are big, centre is small, such as
This one, can be existed in the case where not increasing by 500 width dimensions of sliding block by 520 fixed idler whell of fixing piece, 510 middle section
On sliding block 500.
Referring to Fig. 7, driving cog 340 can be distributed in the lateral wall of arc mandril 300, correspondingly, motor 410 and driving cog
Wheel 420 is all disposed within the outside of arc mandril 300.Switch door component in this way can be more evenly distributed on cabinet 100, no
To cabinet 100, certain a part causes the burden weighed very much for meeting.
It is understood that refrigerator can also have the scheme of manual switch door, specific implementation is arc mandril
300 include first segment 350 and second segment 360, and the lateral wall of the first segment 350 of arc mandril 300 is provided with driving cog 340, arc
The not set driving cog 340 of the lateral wall of the second segment 360 of shape mandril 300, and the lateral wall of the second segment 360 of arc mandril 300
Radius be less than or equal to driving cog 340 root circle radius, it is anti-in this way, play the role of evacuation to transmission gear 420
Only friction is contacted with transmission gear 420.The working principle of the scheme of manual switch door are as follows: referring to Fig.1 0, when refrigerator receives
Opening signal, motor 410 drive transmission gear 420 to rotate, and transmission gear 420 is engaged with the driving cog 340 of arc mandril 300,
Transmission gear 420 drives arc mandril 300 to rotate around the rotation axis 330 of arc mandril, and arc mandril 300 is gradually from cabinet 100
It stretches out, referring to Fig.1 1, door body 200 is rotated around articulated shaft 210 under the active force of arc mandril 300 and gradually opened；Driving cog
Wheel 420 and arc mandril 300 continue to rotate, when transmission gear 420 and the cooperation of arc mandril 300 have been traveled across with driving cog
The lateral wall of the first segment 350 of 340 arc mandril, door body 200 are opened into certain angle, generally low-angle；Then reach
The lateral wall of the second segment 360 of arc mandril, due to the not set driving cog 340 of the lateral wall of the second segment 360 of arc mandril, therefore
And arc mandril 300 is disengaged with transmission gear 420, and user is needed to go to open manually to needing angle at this time.When user exists
Prepare closing refrigerator when having picked and placed article in refrigerator, need user first to receive and door body 200 is closed to the low-angle opened originally,
After i.e. arc mandril 300 is engaged with transmission gear 420, refrigerator receives door signal, and motor 410 drives transmission gear 420 anti-
To rotation, transmission gear 420 drives arc mandril 300 to rotate around the center of circle of arc mandril 300, and arc mandril 300 gradually retracts
To cabinet 100, door body 200 is turned to around articulated shaft 210 under the active force of arc mandril 300 and is completely closed.This side
Case solve as in gasket the suction-combining force and refrigerator body 100 there are negative pressure and caused by open the door for the first time laborious, low-angle
The not tight problem of shutdown.
Wherein, driving cog 340 can also be distributed in the inner sidewall of arc mandril 300, correspondingly, motor 410 and driving cog
Wheel 420 is all disposed within the inside of arc mandril 300.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of refrigerator, which is characterized in that including cabinet, the opening of the cabinet is equipped with door body, the door body and the case
Be connected with switch door component between body, the switch door component includes arc mandril and driving assembly, the arc mandril it is outer
End is slidably connected with the door body, and inner end is protruded into the cabinet, and the rotation axis of the arc mandril is hinged with the door body
Axis is parallel and not conllinear, and the driving component can drive the arc mandril to rotate around it axis rotation, and work as the arched top
When bar rotates first angle, the door body rotation second angle can be driven, and the second angle is greater than the first angle.
2. refrigerator according to claim 1, which is characterized in that the arc mandril, which extends along directional spreding, transmission
Tooth, the driving component include motor and transmission gear, and the output shaft of the motor is connect with the transmission gear, and the electricity
Torque can be transmitted between the output shaft of machine and the transmission gear, the driving cog of the transmission gear and the arc mandril is nibbled
It closes.
3. refrigerator according to claim 2, which is characterized in that the transmission gear is multiple, multiple transmission gears
Successively engagement forms gear set, and the motor is connect with the transmission gear of the gear set input terminal, the biography of the arc mandril
Movable tooth is engaged with the transmission gear of the gearset output.
4. refrigerator according to claim 2, which is characterized in that telescopic driving key is equipped in the motor shaft, it is described
Keyway is equipped in the centre bore of transmission gear, the keyway is corresponding with the position of the driving key, and the driving key is connected with control
Device processed, the control device are able to drive the driving key extending radially out outside the motor shaft or withdrawing along the motor shaft
In the motor shaft, when the driving key stretches out, the driving key and the keyway cooperate, when the driving key is withdrawn,
The driving key is separated with the keyway.
5. refrigerator according to claim 4, which is characterized in that the control device includes electromagnet and spring, the electricity
Mounting groove is equipped in arbor, the driving key and the spring are set in the mounting groove, the spring and the driving key
Connection, when electromagnet power-off, the elastic force of the spring pushes the driving key to extend out to outside the motor shaft, when described
When electromagnet is powered, the magnetive attraction of the electromagnet can overcome the elastic force of the spring and the driving key is driven to be retracted to institute
It states in mounting groove.
6. refrigerator according to any one of claims 1 to 5, which is characterized in that the door body is opened up along its width direction
There is sliding slot, the outer end of the arc mandril is equipped with sliding block, and the sliding block is slidably matched with the sliding slot.
7. refrigerator according to claim 6, which is characterized in that backstop flange is equipped at the notch of the sliding slot, it is described to stop
Gear flange can prevent the sliding block from being skidded off by the notch.
8. refrigerator according to claim 6, which is characterized in that the sliding block is equipped with rotatable idler wheel, the idler wheel
It is in rolling contact with the sliding slot.
9. refrigerator according to any one of claims 1 to 5, which is characterized in that the driving cog is distributed in the arc
The lateral wall of mandril.
10. refrigerator according to claim 9, which is characterized in that the arc mandril includes first segment and second segment, described
The lateral wall of the first segment of arc mandril is provided with the driving cog, the not set institute of the lateral wall of the second segment of the arc mandril
Driving cog is stated, and the radius of the lateral wall of the second segment of the arc mandril is less than or equal to the half of the root circle of the driving cog
Diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457088.4A CN109556345B (en) | 2018-11-30 | 2018-11-30 | A kind of refrigerator |
| PCT/CN2019/113862 WO2020108205A1 (en) | 2018-11-30 | 2019-10-29 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457088.4A CN109556345B (en) | 2018-11-30 | 2018-11-30 | A kind of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109556345A true CN109556345A (en) | 2019-04-02 |
| CN109556345B CN109556345B (en) | 2020-08-11 |
Family
ID=65868382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457088.4A Active CN109556345B (en) | 2018-11-30 | 2018-11-30 | A kind of refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109556345B (en) |
| WO (1) | WO2020108205A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108205A1 (en) * | 2018-11-30 | 2020-06-04 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN112212595A (en) * | 2019-07-12 | 2021-01-12 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| WO2023151220A1 (en) * | 2022-02-14 | 2023-08-17 | 合肥美的电冰箱有限公司 | Door opening and closing apparatus, and electrical appliance |
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| CN109556345B (en) * | 2018-11-30 | 2020-08-11 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
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| JP2007255797A (en) * | 2006-03-23 | 2007-10-04 | Sharp Corp | Door self-closing device |
| CN103470132A (en) * | 2013-10-10 | 2013-12-25 | 新疆农业科学院农业机械化研究所 | Greenhouse with windows opened electrically |
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| CN112212595A (en) * | 2019-07-12 | 2021-01-12 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| WO2023151220A1 (en) * | 2022-02-14 | 2023-08-17 | 合肥美的电冰箱有限公司 | Door opening and closing apparatus, and electrical appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109556345B (en) | 2020-08-11 |
| WO2020108205A1 (en) | 2020-06-04 |
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