CN104930799B - Door body self-locking device and refrigerator - Google Patents
Door body self-locking device and refrigerator Download PDFInfo
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- CN104930799B CN104930799B CN201510395644.XA CN201510395644A CN104930799B CN 104930799 B CN104930799 B CN 104930799B CN 201510395644 A CN201510395644 A CN 201510395644A CN 104930799 B CN104930799 B CN 104930799B
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- door body
- hinge
- locking pin
- locking device
- body self
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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 invention provides a kind of door body self-locking device and refrigerator, door body self-locking device is used for refrigerator, and the door body and casing of refrigerator are connected through the hinge, including：Hinge, locking pin is installed on hinge and the spring of extended state is in all the time, the first end of locking pin is rotatably attached with hinge, second end of locking pin is provided with first connecting portion, the first end of spring and hinge connection, second end of spring is connected with the position on locking pin in addition to the first end of locking pin, and spring can drive locking pin to rotate, and hinge is provided with the limited block for being used for limiting the locking pin anglec of rotation；Lock, is fixedly mounted in door body, and lock is provided with second connecting portion, and second connecting portion can coordinate with first connecting portion；Wherein, the link position of the first end of spring and hinge is rotated in outside the region passed through on hinge positioned at the orthographic projection of locking pin with locking pin.Pass through the technical scheme, it is ensured that refrigerator has good heat-insulating property, and can open the door and provide the user power-assisted at closing time.
Description
Technical field
The present invention relates to household appliance technical field, more specifically, it is related to a kind of door body self-locking device, and with the door body certainly
The refrigerator of locking device.
Background technology
Door part of refrigerator realizes free-open-close with electric refrigerator housing body using hinge connection, the refrigerator at present with auto-lock function
Self-locking manner be divided into two kinds, a kind of is to install magnetic stripe in the door seal of refrigerator, is attracted each other by magnetic stripe and realizes self-locking, but magnetic
Know from experience the heat-insulating property of reduction door seal.Another is the installation door body self-locking mechanism on refrigerator, although this mode can ensure ice
The heat-insulating property of case, but locking pin and lock (as shown in Figure 1) structure by self-locking mechanism limited, door body self-locking mechanism only can be
Power-assisted is provided the user at closing time, without providing power-assisted when opening the door so that user can feel that the process entirely opened the door compares
Arduously, the use feeling of user is reduced.
The content of the invention
Present invention seek to address that at least one technical problem present in prior art.
Therefore, the door body self-locking of power-assisted can be provided the user when opening the door it is an advantage of the invention to provide a kind of
Device.
It is a further object of the invention to provide a kind of refrigerator, including above-mentioned door body self-locking device.
To achieve the above object, the embodiment of first aspect present invention provides a kind of door body self-locking device, for refrigerator,
The door body and casing of the refrigerator are connected through the hinge, including：Locking pin is installed on the hinge, the hinge and located all the time
In the spring of extended state, the first end of the locking pin is rotatably attached with the hinge, the second end of the locking pin
It is provided with first connecting portion, the first end of the spring and the hinge connection, the second end and the locking pin of the spring
On position connection in addition to the first end of the locking pin, the spring can drive the locking pin to rotate, be set on the hinge
It is equipped with the limited block for limiting the locking pin anglec of rotation；Lock, is fixedly mounted in the door body, is set on the lock
Second connecting portion is equipped with, the second connecting portion can coordinate with the first connecting portion；Wherein, the first end of the spring and institute
The link position for stating hinge is rotated in the area passed through on the hinge with the locking pin positioned at the orthographic projection of the locking pin
Outside domain.
Door body self-locking device according to an embodiment of the invention, door body self-locking device includes lock and hinge, and lock is fixed
Second connecting portion is provided with the door body of refrigerator, and on lock, the door body and casing of refrigerator are connected through the hinge, hinge
Installed in the top of refrigerator and/or the bottom of refrigerator.Wherein, locking pin is installed on the hinge, the first end of locking pin with
Hinge is rotatably attached, and the second end is provided with first connecting portion, and first connecting portion can coordinate with second connecting portion, so that locking
Pin matches somebody with somebody work with lock, so as to fasten or open the door body of refrigerator, using this locking mode need not refrigerator door seal
Middle installation magnetic stripe, it is ensured that the heat-insulating property of refrigerator.Spring, the first end of spring and hinge connection are also equipped with hinge, the
Two ends are connected with the position on locking pin in addition to the first end of locking pin, and spring is in extended state all the time.Spring is in open and close
Men Shike drives locking pin rotation, provides the user the limited block that the limitation locking pin anglec of rotation is additionally provided with power-assisted, hinge.
Wherein, when door body is opened to the first predetermined angle, the first end of locking pin, the first end at the second end and spring,
Two 4 points of ends are conllinear.Because the orthographic projection that the first end of spring and the link position of hinge are located at locking pin is rotated in locking pin
Outside the region passed through on hinge so that when the angle that door body is opened is less than the first predetermined angle, the pulling force of spring can drive
Locking pin is rotated in a clockwise direction, and when the angle that door body is opened is more than the first predetermined angle, the pulling force of spring can drive locking
Pin rotates in the counterclockwise direction.
Specifically, when door body is closed, first connecting portion is in connection status with second connecting portion, and the pulling force of spring is by locking
Pin passes to lock, lock is born the active force towards casing direction, so that door body is tightly covered on casing, it is to avoid door
The problem of body covers not tight occurs.During enabling, first connecting portion is in connection status with second connecting portion, and lock revolves with door body
Turn, locking pin is rotated under the drive of lock, and door body is opened to the first predetermined angle, continue to expand open angle, spring
Pulling force can drive locking pin to rotate in the counterclockwise direction, provide the user enabling power-assisted, so as to improve the use feeling of user；Door
When body is opened to the second predetermined angle, first connecting portion is separated with second connecting portion, while locking pin is contradicted with limited block, is prevented
Locking pin continues to rotate, to limit the position of first connecting portion；Continue to expand open angle, door body is no longer by door body self-locking device
Influence.At closing time, when door body is closed to the second predetermined angle, first connecting portion is connected with second connecting portion, continues to zoom out pass
Door angle, lock drives locking pin rotation；When door body is closed to the first predetermined angle, angle of closing the door, the drawing of spring are continued to zoom out
Power can drive locking pin to be rotated in a clockwise direction, and provide the user power-assisted of closing the door, so that the use feeling of user is improved, and this
Shi Menti self-locking devices can drive door body self-locking.
According to one embodiment of present invention, the first connecting portion is sliding block, and the second connecting portion is chute.
Door body self-locking device according to an embodiment of the invention, first connecting portion is sliding block, and second connecting portion is chute, door
When body open angle is more than the second predetermined angle, sliding block is separated with chute；Door body open angle is in the first predetermined angle and second
When between predetermined angle, sliding block is located in chute, and applies thrust to the cell wall of chute side, is helped so as to provide the user enabling
Power；When door body open angle is less than the first predetermined angle, sliding block is located in chute, and is pushed away to the cell wall application of chute opposite side
Power, so as to provide the user power-assisted of closing the door, and can now realize the auto-lock function of refrigerator.
According to one embodiment of present invention, enabling block reinforcement is formed on the lock and door shield muscle is closed, the enabling gear
Muscle and described close between door shield muscle form the chute.
Door body self-locking device according to an embodiment of the invention, the side of chute forms enabling block reinforcement, chute it is another
Side, which is formed, closes door shield muscle.When door body open angle is between the first predetermined angle and the second predetermined angle, sliding block is kept off with opening the door
Muscle contradicts and applies thrust to enabling block reinforcement, so as to provide the user enabling power-assisted；Door body open angle is less than the first preset angle
When spending, sliding block so as to provide the user power-assisted of closing the door, and now may be used with closing the conflict of door shield muscle and applying thrust to door shield muscle is closed
Realize the auto-lock function of refrigerator.
According to one embodiment of present invention, described close forms empty avoiding inclined-plane on door shield muscle.
Door body self-locking device, is closed and empty avoiding inclined-plane is formed on door shield muscle according to an embodiment of the invention, and empty avoiding inclined-plane is used
Interfered when avoiding sliding block from entering outside chute in chute with closing door shield muscle, to ensure that door body is closed to the second preset angle
When spending, sliding block can smoothly enter chute, so as to ensure that door body self-locking device can normal work.
According to one embodiment of present invention, the door body self-locking device is made up of metal material or engineering plastics.
Door body self-locking device according to an embodiment of the invention, existing door body self-locking device passes through mostly by common plasticses
The elastic deformation of plastics realizes that lock is separated or locked with locking pin, but the coupling mechanism force of the door body self-locking device of common plasticses material
It is small, it is necessary in refrigerator door seal install magnetic stripe just can guarantee that door body is closely covered with casing, so damage the heat-insulating property of refrigerator,
And the easy aging of door body self-locking device of common plasticses material, the service life of product is short.The door body self-locking device of the application is by gold
Category material or engineering plastics are made, and are coordinated by spring with rotatable locking pin and realize that locking pin and lock are separated or locked,
The coupling mechanism force of product is big, it is not necessary to install magnetic stripe in the sealing of refrigerator, it is ensured that refrigerator has good heat-insulating property, and gold
The corrosion resistance for belonging to material or engineering plastics is strong, and unsuitable aging, the production material of door body self-locking device selects metal material or work
Engineering plastics can lift the service life of product.
According to one embodiment of present invention, the surface of the door body self-locking device has corrosion-inhibiting coating.
Door body self-locking device, sets corrosion-inhibiting coating on the surface of door body self-locking device, keeps away according to an embodiment of the invention
Exempt from door body self-locking device directly directly to contact with the water vapour and corrosive substance in air, can further reduce the aging of product
Speed, so as to further lift the service life of product.
According to one embodiment of present invention, multiple fixing holes are respectively arranged with the hinge and the lock, it is described
Hinge and the lock are arranged on the refrigerator by fixture.
Multiple fixations are respectively arranged with door body self-locking device according to an embodiment of the invention, hinge and the lock
Hole, is arranged on refrigerator, this mounting means is simple in construction by fixture, and the reliability of connection is high, and using this
The door body self-locking device of mounting structure can be transformed current refrigerator.
According to one embodiment of present invention, the limited block and the hinge are integral type structure, first connection
Portion is integral type structure with the locking pin.
Door body self-locking device according to an embodiment of the invention, limited block is integral type structure with hinge, integral during production
Shaping, the simple production process of such product, it is possible to decrease the production cost of product.First connecting portion is integral type knot with locking pin
Structure, is integrally formed during production, the simple production process of such product, it is possible to decrease the production cost of product.
According to one embodiment of present invention, the locking pin is drive link.
Door body self-locking device according to an embodiment of the invention, locking pin selects drive link, such part it is simple in construction,
The production cost of part can be reduced, so as to reduce the overall production cost of product.
The embodiment of second aspect of the present invention provides a kind of refrigerator, including the door as any one of above-mentioned embodiment
Body self-locking device.
The refrigerator that second aspect of the present invention embodiment is provided, passes through the door body for setting first aspect present invention embodiment to provide
Self-locking device, so that the whole beneficial effects having with the door body self-locking device, will not be repeated here.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of lock of the prior art；
Fig. 2 is the structural representation of the hinge described in one embodiment of the invention；
Fig. 3 is the structural representation of the lock described in one embodiment of the invention；
Fig. 4 is the structural representation of the refrigerator described in one embodiment of the invention；
Fig. 5 is the mplifying structure schematic diagram in A portions in Fig. 4.
Wherein, the corresponding relation between references and component names of the Fig. 2 into Fig. 5 is：
1 hinge, 11 locking pins, 111 first connecting portions, 12 springs, 13 limited blocks, 2 locks, 21 second connecting portions, 22 open
Door shield muscle, 23 close door shield muscle, 231 empty avoiding inclined-planes, 3 fixing holes, 4 door body, 5 casings.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from mode described here using other, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
As shown in Figures 2 to 5, the embodiment of first aspect present invention provides a kind of door body self-locking device, for refrigerator,
The door body 4 and casing 5 of the refrigerator are connected by hinge 1, including：Locking pin 11 is installed on the hinge 1, the hinge 1
All the time the spring 12 of extended state is in, the first end of the locking pin 11 is rotatably attached with the hinge 1, the lock
Second end of tight pin 11 is provided with first connecting portion 111, and the first end of the spring 12 is connected with the hinge 1, the spring
12 the second end is connected with the position on the locking pin 11 in addition to the first end of the locking pin 11, and the spring 12 can drive
The locking pin 11 is rotated, and the limited block 13 for limiting the anglec of rotation of locking pin 11 is provided with the hinge 1；Lock
2, it is fixedly mounted in the door body 4, is provided with second connecting portion 21 on the lock 2, the second connecting portion 21 can be with institute
First connecting portion 111 is stated to coordinate；Wherein, the first end of the spring 12 and the link position of the hinge 1 are located at the locking
The orthographic projection of pin 11 is rotated in outside the region passed through on the hinge 1 with the locking pin 11.
Door body self-locking device according to an embodiment of the invention, door body self-locking device includes lock 2 and hinge 1, and lock 2 is consolidated
Dingan County is provided with second connecting portion 21 in the door body 4 of refrigerator, and on lock 2, and the door body 4 and casing 5 of refrigerator pass through hinge 1
Connection, hinge 1 is arranged on the top of refrigerator and/or the bottom of refrigerator.Wherein, locking pin 11 is installed on the hinge 1, locked
The first end of pin 11 is rotatably attached with hinge 1, and the second end is provided with first connecting portion 111, and first connecting portion 111 can be with
Two connecting portions 21 coordinate, so that locking pin 11 matches somebody with somebody work with lock 2, so that the door body 4 of refrigerator is fastened or opened, using this
Locking mode need not install magnetic stripe in the door seal of refrigerator, it is ensured that the heat-insulating property of refrigerator.Spring is also equipped with hinge 1
12, the first end of spring 12 is connected with hinge 1, and the second end connects with the position on locking pin 11 in addition to the first end of locking pin 11
Connect, and spring 12 is in extended state all the time.Spring 12 drives locking pin 11 to rotate in open and close Men Shike, provides the user and helps
The limited block 13 of the limitation anglec of rotation of locking pin 11 is additionally provided with power, hinge 1.
Wherein, when door body 4 is opened to the first predetermined angle, the first end of locking pin 11, the first of the second end and spring 12
End, 4 points of the second end are conllinear.Because the first end of spring 12 and the link position of hinge 1 are located at the orthographic projection of locking pin 11 with lock
Tight pin 11 is rotated in outside the region passed through on hinge 1 so that when the angle that door body 4 is opened is less than the first predetermined angle, bullet
The pulling force of spring 12 can drive locking pin 11 to be rotated in a clockwise direction, when the angle that door body 4 is opened is more than the first predetermined angle, bullet
The pulling force of spring 12 can drive locking pin 11 to rotate in the counterclockwise direction.
Specifically, when door body 4 is closed, first connecting portion 111 is in connection status, the drawing of spring 12 with second connecting portion 21
Power passes to lock 2 by locking pin 11, lock 2 is born the active force towards the direction of casing 5, so that door body 4 is tightly covered
On casing 5, it is to avoid the problem of door body 4 covers not tight occurs.During enabling, first connecting portion 111 is in second connecting portion 21
Connection status, lock 2 is rotated with door body 4, and locking pin 11 rotates under the drive of lock 2, and door body 4 is opened to the first predetermined angle
Afterwards, continue to expand open angle, the pulling force of spring 12 can drive locking pin 11 to rotate in the counterclockwise direction, provide the user enabling
Power-assisted, so as to improve the use feeling of user；When door body 4 is opened to the second predetermined angle, first connecting portion 111 is connected with second
Portion 21 is separated, while locking pin 11 is contradicted with limited block 13, prevents locking pin 11 from continuing to rotate, to limit first connecting portion 111
Position；Continue to expand open angle, door body 4 is no longer influenceed by door body self-locking device.At closing time, door body 4 is closed to second
During predetermined angle, first connecting portion 111 is connected with second connecting portion 21, continues to zoom out angle of closing the door, and lock 2 drives locking pin 11
Rotation；When door body 4 is closed to the first predetermined angle, angle of closing the door is continued to zoom out, the pulling force of spring 12 can drive the edge of locking pin 11
It is rotated clockwise, provides the user power-assisted of closing the door, so that the use feeling of user is improved, and now door body self-locking device can
Drive the self-locking of door body 4.
As shown in Figures 2 and 3, according to one embodiment of present invention, the first connecting portion 111 is sliding block, described the
Two connecting portions 21 are chute.
Door body self-locking device according to an embodiment of the invention, first connecting portion 111 is sliding block, and second connecting portion 21 is slides
Groove, when the open angle of door body 4 is more than the second predetermined angle, sliding block is separated with chute；The open angle of door body 4 is in the first predetermined angle
When between the second predetermined angle, sliding block is located in chute, and applies thrust to the cell wall of chute side, so as to provide the user
Enabling power-assisted；When the open angle of door body 4 is less than the first predetermined angle, sliding block is located in chute, and to the cell wall of chute opposite side
Apply thrust, so as to provide the user power-assisted of closing the door, and can now realize the auto-lock function of refrigerator.
As shown in Figure 3 and Figure 5, according to one embodiment of present invention, form enabling block reinforcement 22 on the lock 2 and close
Door shield muscle 2323, the enabling block reinforcement 22 and described close between door shield muscle 2323 form the chute.
Door body self-locking device according to an embodiment of the invention, the side of chute forms enabling block reinforcement 22, chute it is another
Side, which is formed, closes door shield muscle 2323.When the open angle of door body 4 is between the first predetermined angle and the second predetermined angle, sliding block with
Enabling block reinforcement 22 contradicts and applies thrust to enabling block reinforcement 22, so as to provide the user enabling power-assisted；The open angle of door body 4 is small
When the first predetermined angle, sliding block is contradicted and to the application thrust of door shield muscle 2323 is closed with closing door shield muscle 2323, so as to be carried for user
For power-assisted of closing the door, and it can now realize the auto-lock function of refrigerator.
As shown in Figure 3 and Figure 5, according to one embodiment of present invention, it is described to close on door shield muscle 2323 that to form empty avoiding oblique
Face 231.
Door body self-locking device, closes and empty avoiding inclined-plane 231, empty avoiding is formed on door shield muscle 2323 according to an embodiment of the invention
Inclined-plane 231 is used to avoid sliding block from interfering with closing door shield muscle 2323 when outside chute entering in chute, to ensure that door body 4 is closed
When closing to the second predetermined angle, sliding block can smoothly enter chute, so as to ensure that door body self-locking device can normal work.
According to one embodiment of present invention, the door body self-locking device is made up of metal material or engineering plastics.
Door body self-locking device according to an embodiment of the invention, existing door body self-locking device passes through mostly by common plasticses
The elastic deformation of plastics realizes that lock 2 is separated or locked with locking pin 11, but the lock of the door body self-locking device of common plasticses material
Clamp force it is small, it is necessary in refrigerator door seal install magnetic stripe just can guarantee that door body 4 is closely covered with casing 5, so damage the guarantor of refrigerator
Warm nature energy, and the easy aging of door body self-locking device of common plasticses material, the service life of product are short.The door body self-locking dress of the application
Put and be made up of metal material or engineering plastics, coordinated by spring 12 and rotatable locking pin 11 and realize locking pin 11 and lock
2 separation are locked, and the coupling mechanism force of product is big, it is not necessary to install magnetic stripe in the sealing of refrigerator, it is ensured that refrigerator has good
Heat-insulating property, and the corrosion resistance of metal material or engineering plastics is strong, unsuitable aging, the production material of door body self-locking device is selected
Metal material or engineering plastics can lift the service life of product.
According to one embodiment of present invention, the surface of the door body self-locking device has corrosion-inhibiting coating.
Door body self-locking device, sets corrosion-inhibiting coating on the surface of door body self-locking device, keeps away according to an embodiment of the invention
Exempt from door body self-locking device directly directly to contact with the water vapour and corrosive substance in air, can further reduce the aging of product
Speed, so as to further lift the service life of product.
According to one embodiment of present invention, multiple fixing holes 3, institute are respectively arranged with the hinge 1 and the lock 2
State hinge 1 and the lock 2 is arranged on the refrigerator by fixture.
Multiple fixations are respectively arranged with door body self-locking device according to an embodiment of the invention, hinge 1 and the lock 2
Hole 3, is arranged on refrigerator, this mounting means is simple in construction by fixture, and the reliability of connection is high, and using this
The door body self-locking device of mounting structure can be transformed current refrigerator.
According to one embodiment of present invention, the limited block 13 and the hinge 1 are integral type structure, and described first connects
Socket part 111 is integral type structure with the locking pin 11.
Door body self-locking device according to an embodiment of the invention, limited block 13 is integral type structure with hinge 1, one during production
It is body formed, the simple production process of such product, it is possible to decrease the production cost of product.First connecting portion 111 is with locking pin 11
Integral structure, is integrally formed during production, the simple production process of such product, it is possible to decrease the production cost of product.
As shown in Figure 2 and Figure 5, according to one embodiment of present invention, the locking pin 11 is drive link.
Door body self-locking device according to an embodiment of the invention, locking pin 11 selects drive link, the structure letter of such part
It is single, it is possible to decrease the production cost of part, so as to reduce the overall production cost of product.
As shown in Figure 4 and Figure 5, the embodiment of second aspect of the present invention provide a kind of refrigerator, the refrigerator include door body 4,
Casing 5 and the door body self-locking device as any one of above-mentioned embodiment, door body 4 and casing 5 pass through door body self-locking device
Hinge 1 is connected, and the lock 2 of door body self-locking device is fixedly mounted in door body 4.
The refrigerator that second aspect of the present invention embodiment is provided, passes through the door body for setting first aspect present invention embodiment to provide
Self-locking device, so that the whole beneficial effects having with the door body self-locking device, will not be repeated here.
In the description of the invention, term " first ", " second " are only used for the purpose of description, and it is not intended that indicate or
Relative importance is implied, unless otherwise clearly defined and limited；Term " installation ", " connection ", " fixation " etc. all should do broad sense
Understand, for example, " connection " can be fixedly connected or be detachably connected, or be integrally connected；It can be direct phase
Even, it can also be indirectly connected to by intermediary.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In description of the invention, it is to be understood that the orientation of the instruction such as term " clockwise ", " counterclockwise " or position are closed
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplifying, rather than indicates
Or imply that the device or unit of meaning must have specific direction, with specific azimuth configuration and operation, it is thus impossible to understand
For limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of door body self-locking device, for refrigerator, the door body and casing of the refrigerator are connected through the hinge, it is characterised in that
Including：
Locking pin is installed on the hinge, the hinge and the spring of extended state, the first of the locking pin is in all the time
End is rotatably attached with the hinge, and the second end of the locking pin is provided with first connecting portion, the first end of the spring
With the hinge connection, the second end and the position on the locking pin in addition to the first end of the locking pin of the spring connect
Connect, the spring can drive the locking pin to rotate, be provided with the hinge for limiting the locking pin anglec of rotation
Limited block；
Lock, is fixedly mounted in the door body, second connecting portion is provided with the lock, the second connecting portion can be with institute
State first connecting portion cooperation；
Wherein, the link position of the first end of the spring and the hinge is located at the orthographic projection of the locking pin with the locking
Pin is rotated in outside the region passed through on the hinge；
The first connecting portion is sliding block, and the second connecting portion is chute.
2. door body self-locking device according to claim 1, it is characterised in that
Enabling block reinforcement is formed on the lock and door shield muscle is closed, the enabling block reinforcement and described close between door shield muscle form described
Chute.
3. door body self-locking device according to claim 2, it is characterised in that
Described close forms empty avoiding inclined-plane on door shield muscle.
4. door body self-locking device according to claim 1, it is characterised in that
The door body self-locking device is made up of metal material or engineering plastics.
5. door body self-locking device according to claim 4, it is characterised in that
The door body self-locking device surface has corrosion-inhibiting coating.
6. door body self-locking device according to any one of claim 1 to 5, it is characterised in that
Multiple fixing holes are respectively arranged with the hinge and the lock, the hinge and the lock are installed by fixture
On the refrigerator.
7. door body self-locking device according to claim 1, it is characterised in that
The limited block is integral type structure with the hinge, and the first connecting portion is integral type structure with the locking pin.
8. door body self-locking device according to claim 1, it is characterised in that
The locking pin is drive link.
9. a kind of refrigerator, it is characterised in that including just like the door body self-locking device any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395644.XA CN104930799B (en) | 2015-07-06 | 2015-07-06 | Door body self-locking device and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510395644.XA CN104930799B (en) | 2015-07-06 | 2015-07-06 | Door body self-locking device and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930799A CN104930799A (en) | 2015-09-23 |
| CN104930799B true CN104930799B (en) | 2017-08-15 |
Family
ID=54118078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510395644.XA Active CN104930799B (en) | 2015-07-06 | 2015-07-06 | Door body self-locking device and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930799B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195959B (en) * | 2019-07-04 | 2024-01-30 | 长虹美菱股份有限公司 | Multi-gear limit structure of refrigerator door body and refrigerator |
| CN110644861A (en) * | 2019-10-17 | 2020-01-03 | 珠海格力电器股份有限公司 | Refrigeration device |
| CN111202484B (en) * | 2020-03-11 | 2021-10-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Household electrical appliance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876046U (en) * | 2010-11-17 | 2011-06-22 | 合肥美菱股份有限公司 | Automatic regression self-locking device of refrigerator door and refrigerator |
| CN102062510B (en) * | 2011-01-25 | 2013-03-13 | 海信容声(广东)冰箱有限公司 | Embedded refrigerator door hinge |
| CN204806808U (en) * | 2015-07-06 | 2015-11-25 | 合肥华凌股份有限公司 | Door body self -lock device and refrigerator |
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