The content of the invention
Embodiments of the invention provide a kind of refrigerator having door-in-door self-locking device and refrigerator having door-in-door, can solve prior art
The problem of middle refrigerator having door-in-door self-locking device unreasonable structure causes volume larger, and installation site is limited.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that:
A kind of refrigerator having door-in-door self-locking device, refrigerator main door and refrigerator pair door lock can be stopped or unlocked, including:Latch hook group
Part, the lock hook assembly are arranged in the refrigerator main door, and the lock hook assembly includes pedestal, and latch hook is provided with the pedestal
And driving structure, the latch hook are rotatablely connected by rotary shaft and the pedestal, the latch hook includes hook portion and drive division, institute
Hook portion and drive division are stated respectively positioned at the both sides, and the hook portion and drive division are in the rotary shaft radially of the axis of rotation
The location overlap of axial direction, the driving structure is connected with the drive division, when the refrigerator main door is opened, the driving structure
The latch hook can be driven to be rotated in a first direction, when the refrigerator main door closes, the driving structure can drive the latch hook
It is rotated in a second direction,;Lock, the lock is arranged on the refrigerator pair door, when the latch hook rotates along the first direction
When, the hook portion of the latch hook can mount with the lock, stop the refrigerator main door and refrigerator pair door lock;When the latch hook edge
When the second direction rotates, the hook portion of the latch hook can depart from the lock, make the refrigerator main door and refrigerator pair door
Unblock.
The embodiment of the invention also discloses a kind of refrigerator having door-in-door, including the refrigerator having door-in-door use described in above-mentioned technical proposal
Self-locking device.
Refrigerator having door-in-door self-locking device provided in an embodiment of the present invention, because the hook portion and drive division of latch hook distinguish position
In the both sides radially of the axis of rotation, and the hook portion and drive division are in the axial location overlap of the rotary shaft, therefore, drive
Dynamic portion will not additionally take space of the latch hook along rotary shaft axial direction, compared with prior art so that axial direction of the latch hook along rotary shaft
Size reduction, so accommodating size of the pedestal of latch hook along rotary shaft axial direction can also be obviously reduced, so as to reduce self-locking device
Overall volume, the more compact structure of self-locking device, thus, the installation site of self-locking device will not be by larger limitation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of refrigerator having door-in-door self-locking device in the prior art;
Fig. 2 be in the embodiment of the present invention refrigerator having door-in-door with the main door of self-locking device, secondary door closes when structural representation
Figure;
Fig. 3 is one of explosive view of refrigerator having door-in-door self-locking device in the embodiment of the present invention;
Fig. 4 is one of assembling schematic diagram of refrigerator having door-in-door self-locking device in the embodiment of the present invention;
Fig. 5 is that refrigerator having door-in-door is installed on the vertical view in main door upper end cover groove with self-locking device in the embodiment of the present invention
Figure;
Fig. 6 is the structural representation that refrigerator having door-in-door is installed on main door bottom end cover with self-locking device in the embodiment of the present invention;
Fig. 7 is two of the explosive view of refrigerator having door-in-door self-locking device in the embodiment of the present invention;
Fig. 8 is the partial schematic diagram of the refrigerator main door upper end cover of refrigerator having door-in-door self-locking device in the embodiment of the present invention;
Fig. 9 is two of the assembling schematic diagram of refrigerator having door-in-door self-locking device in the embodiment of the present invention;
Figure 10 is that refrigerator having door-in-door is installed on the three-dimensional in main door upper end cover groove with self-locking device in the embodiment of the present invention
Structural representation;
Figure 11 is the structural representation that the main door of refrigerator having door-in-door, secondary door are opened in the embodiment of the present invention;
Figure 12 is the main door closing of refrigerator having door-in-door in the embodiment of the present invention, the structural representation of secondary door opening.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Refrigerator having door-in-door is that one kind sets main door and secondary door before refrigerator body, and main door is used between casing and secondary door
Carry out opening and closing of fault casing, and secondary door is used for the refrigerator of opening and closing of fault main door.Multiple shelves are included in refrigerator main door, are increased
The storage region of refrigerator, and the shelf in main door typically stores some conventional articles, when only opening secondary door, takes in main door
During ordinary articles, the cold air in refrigerator will not largely be lost in, and the efficiency of refrigerator is higher.
In order to secondary door be thrown away when preventing and opening refrigerator main door, devise a kind of refrigerator having door-in-door self-locking device.Reference
Fig. 2, refrigerator having door-in-door self-locking device include being arranged at the lock hook assembly 3 of refrigerator main door 1 and are arranged at the lock of refrigerator pair door 2
4, lock hook assembly 3 includes pedestal 31, installs latch hook 32 in pedestal 31 and driving structure 33, latch hook 32 are connected with driving structure 33,
When driving structure 33 is moved, band moveable lock hook 32 rotates, and makes latch hook 32 and the mounting of lock 4 or disengaging, and then realize refrigerator main door 1
Locking or unblock with refrigerator pair door 2.Wherein, latch hook 32 rotates to be first direction towards close to the direction of lock 4, and latch hook 32 is towards remote
Direction from lock 4 rotates to be second direction.
Fig. 2~4 are a specific embodiment of refrigerator having door-in-door self-locking device of the embodiment of the present invention.The embodiment of the present invention
In refrigerator having door-in-door self-locking device, including the lock hook assembly 3 being arranged in refrigerator main door 1, lock hook assembly 3 include pedestal
31, latch hook 32 and driving structure 33 are installed in pedestal 31, latch hook 32 is rotatablely connected by rotary shaft 321 and pedestal 31, wherein,
Latch hook 32 includes being located at the hook portion 322 and drive division 323 of the radially opposite sides of rotary shaft 321, and hook portion 322 and drive division respectively
323 are connected in the axial location overlap of rotary shaft 321, drive division 323 with driving structure 33.When refrigerator main door 1 is opened, driving
Structure 33 can be rotated in a first direction with moveable lock hook 32;When refrigerator main door 1 closes, driving structure 33 can be with moveable lock hook 32 along
Two directions rotate.The embodiment of the present invention also includes lock 4, is arranged on refrigerator pair door 2, when latch hook 32 is rotated in a first direction
When, the hook portion 322 of latch hook 32 can make refrigerator main door 1 and the locking of refrigerator pair door 2 with the mounting of lock 4;When latch hook 32 is along second party
To during rotation, hook portion 322 and the lock 4 of latch hook 32 depart from, and unlock refrigerator main door 1 and refrigerator pair door 2.
Refrigerator having door-in-door self-locking device provided in an embodiment of the present invention, due to the hook portion 322 and drive division of latch hook 32
323 are located at the radially opposite sides of rotary shaft 321 respectively, and hook portion 322 and drive division 323 are in the axial location weight of rotary shaft 321
Folded, therefore, drive division 323 will not additionally take space of the latch hook 32 along the axial direction of rotary shaft 321, compared with prior art so that
Axial dimension of the latch hook 32 along rotary shaft 321 can be also obviously reduced, so as to reduce the overall volume of self-locking device, self-locking device
More compact structure, the installation site of self-locking device will not be by larger limitation.
Specifically, the driving structure 33 of the embodiment of the present invention includes connector 331, elastic component 332 and driving member 333, its
In, the both ends of connector 331 are connected with the drive division 323 and driving member 333 of latch hook 32 respectively, the both ends difference of elastic component 332
With pedestal 31 and driving member 333 against or be connected.When refrigerator main door 1 closes, after driving member 333 contacts with refrigerator body 5, pass
Moving part 333 is promoted towards the direction away from refrigerator body 5 by refrigerator body 5 and moved, and so as to cause elastic component 332 to deform upon, is pushed away
Follower link 331 rotates in a second direction with moveable lock hook 32;When refrigerator main door 1 is opened, driving member 333 is de- with refrigerator body 5
From the direction for making driving member 333 towards close refrigerator body 5 by the restoring force of elastic component 332 is moved, and realizes the band of connector 331
Moveable lock hook 32 is rotated in a first direction.If the technical scheme directly moved using motor driven driving structure 33 is, it is necessary in pedestal
Special motor is set in 31, can so increase the size of whole self-locking device and the energy consumption of refrigerator, and the embodiment of the present invention
When technical scheme is switched by refrigerator main door 1, refrigerator body 5 is to the squeezing action of driving member 333 and the restoring force of elastic component 332
Connector 331 can be made to be rotated with moveable lock hook 32, it is not necessary to extra power source, thus the self-locking device of the embodiment of the present invention has
The advantages of less energy consumption, simple driving structure.
Refrigerator main door 1 is be hinged by articulated mounting and refrigerator body 5, and articulated mounting includes being arranged at the upper table of refrigerator body 5
The first axle structure 51 in face, and it is arranged at the second hinge structure 12 of the upper end cover of refrigerator main door 1, the upper end of refrigerator main door 1
The groove 11 for installing second hinge structure 12 is covered with, because the lock hook assembly 3 of the embodiments of the present invention is compact-sized, chi
Very little smaller, so lock hook assembly 3 is also mountable in the groove 11, driving member 333 is corresponding to be resisted against in first axle structure 51,
As shown in Figure 5;In addition, the lock hook assembly 3 of the embodiment of the present invention, the bottom end cover of refrigerator main door 1 is mountable to, driving member 333 is right
It should be resisted against on refrigerator body 5, as shown in Figure 6.With respect to the technical scheme of the latter, technology of the lock hook assembly 3 in groove 11
Scheme, lock hook assembly 3 will not be protruded from outside the upper end cover of refrigerator main door 1, thus, it is entirely avoided self-locking device is to refrigerator profile
The influence of structure, and groove 11 is to be extended to be formed by original groove for accommodating second hinge structure 12 in refrigerator main door 1, and it is processed
Technique is simpler, and the structure of refrigerator main door 1 is more regular;Again because driving member 333 against place be first axle structure 51, first axle
The shell of structure 51 is generally rigidity, so, driving member 333 is not easy to make refrigerator case to 5 prolonged abutment action of refrigerator body
Body 5 produces deformation.
Further, the connected mode of drive division 323 and connector 331 can have a variety of, for example, can be by connector
331 one end is made as tube-in-tube structure, drive division 323 is fastened in sleeve during connection;Company as shown in Figure 7 can also be used
Mode is connect, connector 331 includes claw 3311, and drive division 323 is fastened in claw 3311.The first string is because of connector 331
The one end being connected with drive division 323 is tube-in-tube structure, and sleeve is not limited motion of the drive division 323 along sleeve axial direction, latch hook
32 are chronically rotated, and drive division 323 may axially slide because of vibrations and along sleeve, when offset is more
When, will cause latch hook 32 and lock 4 can not fasten or detain it is askew;And the connector 331 of second scheme includes claw 3311, claw
3311 is larger with the clamping power of drive division 323, and drive division 323 is by the stop of claw 3311, is not in lateral sliding or pine
It is dynamic, thus, it ensure that the fastening precision of latch hook 32 and lock 4.It is therefore preferred that the embodiment of the present invention uses as shown in Figure 7
Technical scheme.
On the basis of above-described embodiment, the drive division 323 of the embodiment of the present invention is made as driving axle construction, rotary shaft
The axial both ends of 321 peripheries are respectively extended with an engaging lug and driving axis connection, and claw 3311 is connected with drive shaft clamping, is driven
The drive division 323 and claw 3311 of moving axis structure are processed simply, easily assembling.
Further, rotary shaft 321, hook portion 322, engaging lug and drive division 323 are assembled into according to assembly method
Latch hook 32, its complex operation, and error is easily produced because of manual assembly, cause the structure of latch hook 32 unreliable, go out between each part
Now abrasion and problem on deformation.It is thus preferred that the rotary shaft 321 of latch hook 32, hook portion 322, engaging lug in the embodiment of the present invention
Used with drive division 323 and be integrally formed processing.
Specifically, if elastic component of the embodiment of the present invention 332 is connected with pedestal 31 and driving member 333 respectively, need in base
Seat 31 and driving member 333 are provided with the structure of special connection elastic component 332, cause the processing of part and assembling more complicated.Therefore,
Preferably, one end that the connector 331 of the embodiment of the present invention is connected with driving member 333 is connecting shaft 3312, connecting shaft 3,312 1
End is connected with claw 3311, and the other end is connected with driving member 333;Elastic component 332 is spring, and spring housing is located at connecting shaft 3312
On, driving member 333 is sleeve, and sleeve set is additionally provided with projection on spring on the inwall of sleeve.Limitation is additionally provided with pedestal 31
The mounting hole of the direction of motion of connector 331, one end of spring are resisted against on the pedestal 31 near mounting hole, and the other end is resisted against biography
The high spot of moving part 333.Above-mentioned technical proposal, spring only need to pedestal 31 and driving member 333 against, it is not necessary to connected
Connect, therefore, each part process operation and assembling are relatively simple.
The pedestal 31 of the embodiment of the present invention includes the base body 311 with opening chamber and for closed base body
311 base seat lid 312, latch hook 32 and driving structure 33 are installed in the atrium room, as shown in Figure 9.Base seat lid 312, it can incite somebody to action
Be open chamber closing, and prevents dust from entering in pedestal 31, and when lock hook assembly 3 is arranged on the groove 11 of refrigerator main door 1,
The upper end cover flush of base seat lid 312 and refrigerator main door 1, make the overall structure of refrigerator more aesthetically pleasing, complete.
In addition, the pedestal 31 of the embodiment of the present invention is connected in the groove 11 of refrigerator main door 1, and as shown in figs. 8-10, groove
Relative two side is respectively equipped with spacing preiection 111 in 11, the bottom surface of groove 11 is provided with swallow-tailed guide pad 112, pedestal 31
Bottom surface be provided with dovetail groove 313, be respectively equipped with limited impression 314 in the two lateral walls of pedestal 31, spacing preiection 111 with it is spacing
Groove 314 corresponds clamping, swallow-tailed guide pad 112 and the clamping of dovetail groove 313.Using above-mentioned snap fit installation certainly
Locking device, the free degree of self-locking device all directions can be limited, and relative to using the scheme being screwed, above-mentioned clamping
Mode dismount it is more laborsaving, and dismount when do not need extra instrument.
The embodiment of the invention also discloses a kind of refrigerator having door-in-door, employs above-mentioned all refrigerator having door-in-doors and is filled with self-locking
Put.Because the refrigerator having door-in-door installed in the refrigerator having door-in-door of the present embodiment is filled with self-locking device and above-mentioned door in door with self-locking
The self-locking device structure provided in each embodiment put is identical, therefore the two can solve the problem that identical technical problem, and reaches phase
Same Expected Results.
Reference picture 11~12, when refrigerator main door 1 and the opening of refrigerator pair door 2, latch hook 32 is rotated in a first direction and lock 4
It is sealed;When only opening refrigerator pair door 2, when refrigerator main door 1 remains off, lock 4 rotates and remote lock with refrigerator pair door 2
Hook assembly 3, latch hook 32 and lock 4 keep disengaged condition in this process.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover 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.