CN109373689A - A kind of refrigerator of automatic opening and closing door - Google Patents
A kind of refrigerator of automatic opening and closing door Download PDFInfo
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- CN109373689A CN109373689A CN201811456942.5A CN201811456942A CN109373689A CN 109373689 A CN109373689 A CN 109373689A CN 201811456942 A CN201811456942 A CN 201811456942A CN 109373689 A CN109373689 A CN 109373689A
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- refrigerator
- arc mandril
- arc
- door body
- mandril
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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
- F25D23/028—Details
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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)
- Refrigerator Housings (AREA)
Abstract
The present invention discloses a kind of refrigerator of automatic opening and closing door, it is related to technical field of refrigeration equipment, the refrigerator includes cabinet and door body, the door body is around articulated shaft rotating opening or closes the cabinet, switch door component is connected between the door body and the cabinet, the switch door component includes the driving assembly of the arc mandril being slidably connected with the door body and the driving arc mandril rotation；Wherein, the pivot center of the arc mandril is parallel with the hinge axes of the door body, and the radian of the arc mandril is greater than 90 °, and the radius of gyration of the arc mandril is less than at shutdown position and the door body radius of gyration of the arc mandril cooperation position.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 of automatic opening and closing door.
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 of automatic opening and closing door, in order to solve refrigerator in the prior art compared with big angle
After the automatic door opening of degree, 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 of automatic opening and closing door, including cabinet and
Door body, the door body is around articulated shaft rotating opening or closes the cabinet, which is characterized in that between the door body and the cabinet
It is connected with switch door component, the switch door component includes the arc mandril being slidably connected with the door body and the driving arc
The driving assembly of shape mandril rotation；Wherein, the pivot center of the arc mandril is parallel with the hinge axes of the door body, described
The radian of arc mandril is greater than 90 °, and the radius of gyration of the arc mandril is less than at shutdown position and the arc mandril
The radius of gyration of the door body of cooperation position.
A kind of refrigerator of automatic opening and closing door provided in an embodiment of the present invention, is rotated by arc mandril and door body is driven to revolve
Turn, the articulated shaft of the rotation axis of arc mandril and door body is provided parallel to, i.e. the rotation of the rotational trajectory of arc mandril and door body
Mark of going through transition is different；And in order to both coordinate the difference of rotational trajectory, the outer end of arc mandril and the door body are slidably connected,
Wherein, the radian of arc mandril is greater than 90 °, and the radius of gyration of the arc mandril is less than at shutdown position and the arc
The door body radius of gyration of mandril cooperation position.So, arc mandril can be made into length short compared with prior art
Degree, so arc mandril can not stretch out cabinet, to facilitate user from ice after door body closing, when arc mandril is withdrawn completely
Case has both aesthetics and the safety of product while picking and placing object.
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 the refrigerator of automatic opening and closing door of the embodiment of the present invention；
Fig. 2 is the top view of the refrigerator of automatic opening and closing door 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 the movement locus schematic diagram of arc mandril and door body in refrigerator of the embodiment of the present invention；
Fig. 5 is arc mandril in refrigerator of the embodiment of the present invention in the intracorporal structural schematic diagram of case；
Fig. 6 is the structural schematic diagram of arc mandril in refrigerator of the embodiment of the present invention；
Fig. 7 is the cross-sectional view of arc mandril in refrigerator of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram that door component is switched in refrigerator of the embodiment of the present invention；
Fig. 9 is that refrigerator of the embodiment of the present invention is in the structural schematic diagram in automatic opening and closing door scheme；
Figure 10 is that refrigerator of the embodiment of the present invention is in the structural schematic diagram in manual switch door scheme；
Figure 11 is structural schematic diagram when refrigerator of the embodiment of the present invention is in door body closing in manual switch door scheme；
Figure 12 is structural schematic diagram when refrigerator of the embodiment of the present invention is in door body unlatching in manual switch door scheme.
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.
The embodiment provides a kind of refrigerators of automatic opening and closing door, referring to Fig.1, Fig. 2, Fig. 3, including cabinet 100,
The opening of the cabinet 100 is equipped with door body 200, and the door body 200 is around 210 rotating opening of articulated shaft or closes the cabinet
100, switch door component is connected between the door body 200 and the cabinet 100, the switch door component includes arc 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, and inner end 320 is stretched
Enter in the cabinet 100, the rotation axis 330 of the arc mandril and the articulated shaft 210 of the door body are parallel, the driving component
400 can drive the arc mandril 300 to rotate around it the rotation of axis 330, wherein as shown in figure 4, the arc mandril 300
Pivot center is parallel with the hinge axes of the door body 200, and the radian of the arc mandril 300 is greater than 90 °, and the arched top
The radius of gyration of bar 300 is less than at shutdown position and the radius of gyration of the door body 200 of 300 cooperation position of arc mandril.
Refrigerator provided in an embodiment of the present invention drives door body 200 to rotate, by arched top by the rotation of arc mandril 300
The rotation axis 330 of bar and the articulated shaft 210 of door body are provided parallel to and not conllinear, i.e. the rotational trajectory and door of arc mandril 300
The rotational trajectory of body 200 is different；And in order to both coordinate the difference of rotational trajectory, by the outer end 310 of arc mandril with it is described
Door body 200 is slidably connected, and the radian of the arc mandril 300 is greater than 90 °, and the radius of gyration of the arc mandril 300 is less than
At shutdown position with the radius of gyration of the door body 200 of 300 cooperation position of arc mandril.In this way, arc mandril 300 drives
Door body 200 rotate larger angle when, arc mandril 300 itself rotate smaller angle, arc mandril 300 can be made into it is existing
Technology compares shorter length, so arc mandril 300 can not after the closing of door body 200, when arc mandril 300 is withdrawn completely
Cabinet 100 is stretched out, so that user be facilitated to have both aesthetics and the safety of product while picking and placing object from refrigerator.
As shown in figure 4, wherein S1For the path curves of the outer end 310 of arc mandril, S2For the door body with it is described
The path curves of the initial contact point of arc mandril, it can be seen that in the opening-closing process of door body 200, outside arc mandril
The motion profile of end 310 and the initial contact point is different, the outer end 310 of arc mandril and institute when door body 200 is closed
Stating initial contact point is to be overlapped, and during door body 200 is opened, the outer end 31 of arc mandril is gradually to close to articulated shaft
210 direction sliding, to keep the outer end 310 of arc mandril different with the motion profile of the initial contact point；Due to above-mentioned
The difference of motion profile can make door body 200 when opening certain angle, and the angle that arc mandril 300 rotates is smaller, and door body
The angle of 200 rotations is larger, it may thereby be ensured that arc mandril 300 does not stretch out cabinet 100 when withdrawing.
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 figure 8, 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 figure 8, 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.
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. 9, 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,
Control device 600 includes electromagnet 610 and spring 620, is equipped with mounting groove 413, driving key 412 and spring 620 in motor shaft 411
It is set in mounting groove 413, spring 620 is connect with driving key 412, and when electromagnet 610 powers off, the elastic force of spring 620 is pushed
Driving 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 and drive driving key 412 to be retracted in mounting groove 413.In this way, which driving key 412 is to protrude into key under conventional sense
In slot 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 receive
The scheme for contracting and withdrawing driving key 412, and switch 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, and as shown in Fig. 3, Fig. 7, and the setting of sliding slot 220 can also make arc mandril
Outer end 310 slided along trapped orbit, and then be stably rotated arc mandril 300, the outer end 310 of arc mandril is additionally provided with cunning
Block 500, sliding block 500 are slidably matched with sliding slot 220.It, can be with mating in order to keep the rotary course of arc mandril 300 more stable
Mounting base 110 is arranged in ground in cabinet 100, as shown in figure 8, switch door component is fixed in mounting base 110；Preferably, it opens
Shutdown 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 opens
On shutdown 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. 7
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, such as Figure 11 institute
Show, arc mandril 300 includes first segment 350 and second segment 360, and the lateral wall of the first segment 350 of arc mandril 300 is provided with biography
Movable tooth 340, the not set driving cog 340 of the lateral wall of the second segment 360 of arc mandril 300, and the second segment of arc mandril 300
The radius of 360 lateral wall is less than or equal to the radius of the root circle of driving cog 340, in this way, play to transmission gear 420
Evacuation effect, prevents from contacting friction with transmission gear 420.The working principle of the scheme of manual switch door are as follows: referring to Fig.1 1, when
Refrigerator receives opening signal, and motor 410 drives transmission gear 420 to rotate, the transmission of transmission gear 420 and arc mandril 300
Tooth 340 engages, and transmission gear 420 drives arc mandril 300 to rotate around the rotation axis 330 of arc mandril, and arc mandril 300 is gradually
It is stretched out from cabinet 100, referring to Fig.1 2, door body 200 is rotated around articulated shaft 210 under the active force of arc mandril 300 and gradually opened
It opens；Transmission gear 420 and arc mandril 300 continue to rotate, when transmission gear 420 and the cooperation of arc mandril 300 have traveled across tool
There is the lateral wall of the first segment 350 of the arc mandril of driving cog 340, door body 200 is opened into certain angle, generally low-angle；
The lateral wall for then reaching the second segment 360 of arc mandril, due to the not set transmission of lateral wall of the second segment 360 of arc mandril
Tooth 340 needs user to go to open manually to needing angle so arc mandril 300 is disengaged with transmission gear 420 at this time.
Prepare closing refrigerator when user has picked and placed article in refrigerator, needs user first to receive a door body 200 and close to opening originally
Low-angle, i.e., after arc mandril 300 is engaged with transmission gear 420, refrigerator receives door signal, the driving transmission of motor 410
Gear 420 rotates backward, and transmission gear 420 drives arc mandril 300 to rotate around the center of circle of arc mandril 300, arc mandril 300
It is gradually retracted in cabinet 100, door body 200 is turned to around articulated shaft 210 under the active force of arc mandril 300 and completely closed.
This scheme solve as in gasket the suction-combining force and refrigerator body 100 there are negative pressure and caused by first key money
Power, the not tight problem of low-angle 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 of automatic opening and closing door, including cabinet and door body, the door body is around articulated shaft rotating opening or closes institute
State cabinet, which is characterized in that be connected with switch door component between the door body and the cabinet, the switch door component include with
The driving assembly of the arc mandril and driving that the door body is slidably connected the arc mandril rotation；Wherein, the arched top
The pivot center of bar is parallel with the hinge axes of the door body, and the radian of the arc mandril is greater than 90 °, and the arc mandril
The radius of gyration be less than at shutdown position with the door body radius of gyration of the arc mandril cooperation position.
2. the refrigerator of automatic opening and closing door according to claim 1, which is characterized in that the arc mandril extends along direction point
It is furnished with driving cog, the driving component includes motor and transmission gear, and the output shaft of the motor is connect with the transmission gear,
And torque can be transmitted between the output shaft of the motor and the transmission gear, the biography of the transmission gear and the arc mandril
Movable tooth engagement.
3. the refrigerator of automatic opening and closing door according to claim 2, which is characterized in that the transmission gear is multiple, Duo Gesuo
It states transmission gear and successively engages and form gear set, the motor is connect with the transmission gear of the gear set input terminal, the arc
The driving cog of shape mandril is engaged with the transmission gear of the gearset output.
4. the refrigerator of automatic opening and closing door according to claim 2, which is characterized in that be equipped with telescopic biography in the motor shaft
Dynamic key, the centre bore of the transmission gear is interior to be equipped with keyway, and the keyway is corresponding with the position of the driving key, the driving key
It is connected with control device, the control device is able to drive the driving key and extends radially out the motor shaft along the motor shaft
In the outer or withdrawal motor shaft, when the driving key stretches out, the driving key and the keyway cooperate, when the driving key
When withdrawal, the driving key is separated with the keyway.
5. the refrigerator of automatic opening and closing door according to claim 4, which is characterized in that the control device includes electromagnet and bullet
Spring, the motor shaft is interior to be equipped with mounting groove, and the driving key and the spring are set in the mounting groove, the spring and institute
Transmission key connection is stated, when electromagnet power-off, the elastic force of the spring pushes the driving key to extend out to the motor shaft
Outside, when the electromagnet is powered, the magnetive attraction of the electromagnet can overcome the elastic force of the spring and drive the transmission
Key is retracted in the mounting groove.
6. the refrigerator of automatic opening and closing door described according to claim 1 ~ any one of 5, which is characterized in that the door body is along its width
Direction offers sliding slot, and the outer end of the arc mandril is equipped with sliding block, and the sliding block is slidably matched with the sliding slot.
7. the refrigerator of automatic opening and closing door according to claim 6, which is characterized in that turned at the notch of the sliding slot equipped with backstop
Side, the backstop flange can prevent the sliding block from being skidded off by the notch.
8. the refrigerator of automatic opening and closing door according to claim 6, which is characterized in that the sliding block is equipped with rotatable rolling
Wheel, the idler wheel are in rolling contact with the sliding slot.
9. the refrigerator of automatic opening and closing door described according to claim 1 ~ any one of 5, which is characterized in that the driving cog is distributed in
The lateral wall of the arc mandril.
10. the refrigerator of automatic opening and closing door according to claim 9, which is characterized in that the arc mandril include first segment and
Second segment, the lateral wall of the first segment of the arc mandril are provided with the driving cog, the second segment of the arc mandril it is outer
The not set driving cog of side wall, and the radius of the lateral wall of the second segment of the arc mandril is less than or equal to the driving cog
Root circle radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456942.5A CN109373689B (en) | 2018-11-30 | 2018-11-30 | Refrigerator capable of automatically opening and closing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456942.5A CN109373689B (en) | 2018-11-30 | 2018-11-30 | Refrigerator capable of automatically opening and closing door |
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| Publication Number | Publication Date |
|---|---|
| CN109373689A true CN109373689A (en) | 2019-02-22 |
| CN109373689B CN109373689B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811456942.5A Active CN109373689B (en) | 2018-11-30 | 2018-11-30 | Refrigerator capable of automatically opening and closing door |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373688A (en) * | 2018-11-26 | 2019-02-22 | 广东格兰仕集团有限公司 | A kind of refrigerator and its control method with automatic door operator |
| CN110411125A (en) * | 2019-07-03 | 2019-11-05 | 昆山众联鑫精密机械有限公司 | A kind of refrigerator doors top opening of wide-angle |
| 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 |
| CN112252889A (en) * | 2019-07-22 | 2021-01-22 | 海信（山东）冰箱有限公司 | Control method for opening and closing door device of refrigerator and refrigerator |
| CN112539013A (en) * | 2020-12-08 | 2021-03-23 | 湖北美的电冰箱有限公司 | Door opening device and refrigeration equipment |
| WO2022142686A1 (en) * | 2020-12-31 | 2022-07-07 | 青岛海尔电冰箱有限公司 | Automatic door opening/closing device for refrigerator and refrigerator with same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109373688A (en) * | 2018-11-26 | 2019-02-22 | 广东格兰仕集团有限公司 | A kind of refrigerator and its control method with automatic door operator |
| WO2020108205A1 (en) * | 2018-11-30 | 2020-06-04 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN110411125A (en) * | 2019-07-03 | 2019-11-05 | 昆山众联鑫精密机械有限公司 | A kind of refrigerator doors top opening of wide-angle |
| CN112212595A (en) * | 2019-07-12 | 2021-01-12 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN112252889A (en) * | 2019-07-22 | 2021-01-22 | 海信（山东）冰箱有限公司 | Control method for opening and closing door device of refrigerator and refrigerator |
| CN112252889B (en) * | 2019-07-22 | 2022-02-11 | 海信（山东）冰箱有限公司 | Control method for opening and closing door device of refrigerator and refrigerator |
| CN112539013A (en) * | 2020-12-08 | 2021-03-23 | 湖北美的电冰箱有限公司 | Door opening device and refrigeration equipment |
| WO2022142686A1 (en) * | 2020-12-31 | 2022-07-07 | 青岛海尔电冰箱有限公司 | Automatic door opening/closing device for refrigerator and refrigerator with same |
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