CN103256781B - Refrigeration device - Google Patents
Refrigeration device Download PDFInfo
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- CN103256781B CN103256781B CN201310219534.9A CN201310219534A CN103256781B CN 103256781 B CN103256781 B CN 103256781B CN 201310219534 A CN201310219534 A CN 201310219534A CN 103256781 B CN103256781 B CN 103256781B
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Abstract
The invention discloses a refrigeration device which comprises a box body, a door body and a door closing assembly, wherein the door body is rotatably arranged on the box body and between the position of opening the box body and the position of closing the box body. The door closing assembly is arranged on the box body. In the process that the door body rotates by a predetermined angle from the opening position to the closing position and in the process that the door body rotates from the predetermined position where the door body rotates by the predetermined angle to the closing position, the door closing assembly pushes the door body to move towards the closing position and is supported below the door body. The refrigeration device is provided with the door closing assembly, so that the door body is well prevented from falling down, the refrigeration device has a good door closing effect through the door closing assembly, using convenience of the refrigeration device is enhanced, and practicality is good. The door closing assembly is reasonable and simple in structure and low in cost.
Description
Technical field
The present invention relates to field of household appliances, in particular to a kind of refrigeration plant.
Background technology
Current refrigeration plant such as refrigerator many employings door closer is with door close body better.Most of door closer is all placed on middle hinge or end hinge position.Wherein one is a working of plastics, main relies on the elastic deformation of working of plastics to play to close gate action, but to be moment of torsion little for its shortcoming, can not meet completely and close door switch effect, poor practicability.Another kind is placed on the automatic door closer in lower hinge, and its moment is large, and meet and close door switch effect, but its cost is higher, cost performance is low, and practicality is also poor.In addition, when door body is larger, above two kinds of door closers also easy quality problem of tilting of generator gate body.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of refrigeration plant, and this refrigeration plant is provided with pass door assembly, and this pass door assembly also can have and well close an effect by support door body.
Refrigeration plant according to the embodiment of the present invention comprises: casing; Men Ti, door body open casing open position and close casing closed position between be located at rotationally on casing; And pass door assembly, closing door assembly is located on casing, wherein turn over predetermined angular in Men Ticong open position towards closed position, and from turning over precalculated position corresponding to predetermined angular to during closed position is rotated, components drive of closing the door door body is towards closed position motion and be supported on the below of a body.
According to the refrigeration plant of the embodiment of the present invention by arranging pass door assembly, thus a body can be prevented well sagging, and close door assembly and refrigeration plant is had good close an effect, enhance the ease of use of refrigeration plant, practicality is good.And this modular construction of closing the door is reasonable, simple, cost is low.
In addition, according to refrigeration plant of the present invention, also there is following additional technical feature:
According to one embodiment of present invention, close door assembly and comprise: support, support is fixed on casing, and the top of support is opened wide; And pressure tongue, pressure tongue is located in support rotationally around rotation, pressure tongue has and is positioned at rotation both sides and in the first and second arms of predetermined angle, first arm is positioned at the rear side of the second arm, during wherein Men Ticong precalculated position is rotated towards closed position, the free end that the lower end of door body pushes against the first arm is rotated counterclockwise around rotation to make pressure tongue, and the lower end of the free end of the second arm pushing and pressing door body is to produce one for closing the door and the making a concerted effort of support door body.This modular construction of closing the door is simple, quality controllable, easy-maintaining.
According to one embodiment of present invention, this refrigeration plant also comprises the first and second rollers, and the first roller is rollably located at the free end of the first arm, and the second roller is rollably located at the free end of the second arm.
The first roller bearing and the second roller bearing is also comprised according to the refrigeration plant of the embodiment of the present invention, first roller is rollably located at the free end of the first arm by the first roller bearing running through it, and the second roller is rollably located at the free end of the second arm by the second roller bearing running through it.By arranging roller bearing and roller at the free end of pressure tongue two-arm, the more smooth of the lower end in contact of pressure tongue and door body can be made, a body is closed lighter.
According to one embodiment of present invention, the first arm, the first roller bearing and the first roller gravity make a concerted effort be less than to the moment of rotation, the moment making a concerted effort to arrive rotation of the gravity of the second arm, the second roller bearing and the second roller.By such design, the first arm can be made when free state, the free end of the first arm is pinnacled, and that is, in the vertical direction is on the second arm free end, and the free end of such first arm can better with the contact of door body.
According to one embodiment of present invention, the lower surface of door body is formed with the recess being suitable for coordinating with the free end of the second arm during Men Ticong precalculated position is rotated towards closed position, refrigeration plant is also included in during Men Ticong precalculated position is rotated towards closed position and is suitable for the projection that coordinates with the free end of the first arm, and projection is located at the lower surface of a body and is positioned at the rear of recess.By such design, the projection of door body lower end increases the stroke of the first roller pressing down pressure tongue first arm free end, makes to press down more to power, thus the power supporting recess is also larger, support a body better, prevent the sinking of a body to tilt, also serve and better close an effect.
According to one embodiment of present invention, recess is cardinal principle inverted V-shaped shape.
According to one embodiment of present invention, the rear surface of boss be configured to from front to back, from bottom to up tilt extend plane or curved surface.Make the first roller on boss recess and pressure tongue and the second roller contact better like this, do not occur the phenomenon that card pauses, make to close the door lighter.
According to one embodiment of present invention, support comprises: fixed head; First and second vertical plates parallel to each other, the front surface that the first and second vertical plates are fixed on fixed head extends forward; And connecting plate, connecting plate is connected between the front end of the first vertical plate and the front end of the second vertical plate.
According to one embodiment of present invention, first vertical plate is provided with the first stopper slot running through it on the thickness direction of the first vertical plate, second vertical plate is provided with the second stopper slot running through it in a thickness direction, first and second stopper slot shapes are identical and correspond to each other in a thickness direction, refrigeration plant also comprises limit shaft, and limit shaft passes pressure tongue and the two ends of limit shaft are engaged in the first and second stopper slots respectively.By stopper slot and limit shaft, the shift motion of pressure tongue can be limited, thus pressure tongue can more effectively support door body, prevents the body from sinking to, and better achieve and close an effect.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram that switch module is assemblied on casing;
Fig. 2 is switch module, the schematic diagram that casing and door body coordinate;
Fig. 3 is switch module explosive view;
Fig. 4 is the stereogram of switch module.
Reference list:
1, casing; 2, Men Ti; 21, recess; 22, projection; 3, door assembly is closed; 31, support; 311, fixed head; 312, the first vertical plate, the 313, second vertical plate; 314, connecting plate; 32, tongue is pressed; 321, the first arm; 322, the second arm; 33, the first roller; 331, the first roller bearing; 34, the second roller; 341, the second roller bearing; 35, limit shaft; 36, rotating shaft
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1 to Fig. 4, the refrigeration plant according to the embodiment of the present invention is described.
Comprise casing 1, door body 2 according to the refrigeration plant of the embodiment of the present invention and close door assembly 3.
Wherein door body 2 open casing 1 open position and close casing 1 closed position between be located on casing 1 rotationally, that is, door body 2 is arranged on casing 1, such as door body 2 is arranged on casing 1 by hinge, wherein above-mentioned open position can be the maximum open angle of a body 2, and above-mentioned closed position is the position of a body 2 closed box 1.
Closing door assembly 3 is located on casing 1, wherein turn over predetermined angular from open position towards closed position at door body 2, and from turning over precalculated position corresponding to predetermined angular to during closed position is rotated, close door assembly 3 and promote door body 2 towards closed position motion and be supported on the below of a body 2.
In other words, close door assembly 3 to be located on casing 1 and the below being positioned at a body 2, door body 2 turns to closed position during from open position, from turning over predetermined angular, namely from described precalculated position, close door assembly 3 to start working, promote door body 2 and move and support door body 2 to closed position, prevent the body 2 from hanging downwards.
It should be noted that, above-mentioned predetermined angular and precalculated position specifically can be arranged according to the situation of concrete refrigeration plant, can support door body and have and better close an effect better so that close door assembly 3.Such as, according to one embodiment of present invention, the scope of this predetermined angular can be 5 °-15 °, and preferred angle can be 7.5 ° or 10 °.
Close door assembly 3 according to the refrigeration plant of the embodiment of the present invention by arranging, thus a body 2 can be prevented well sagging, and close door assembly 3 and refrigeration plant is had good close an effect, enhance the ease of use of refrigeration plant, practicality is good.And this pass door assembly 3 is rational in infrastructure, simple, cost is low.
According to one embodiment of present invention, as shown in Figure 3, close door assembly 3 and comprise support 31 and pressure tongue 32.
Its medium-height trestle 31 is fixed on casing 1, and such as support 31 is by screw fastening on casing 1, and the top of support 31 is opened wide.
As shown in Figure 3, support 31 comprises fixed head 311, the first vertical plate 312, second vertical plate 313 and connecting plate 314 parallel to each other.
Its medium-height trestle 31 is connected with casing 1 by fixed head 311, such as fixed head 311 by multiple screw fastening on casing 1, thus realize support 31 is fixed on casing 1.
On the front surface that first vertical plate 312 and the second vertical plate 313 are fixed on fixed head 311 and extension forward parallel to each other.Connecting plate 314 is connected between the front end of the first vertical plate 312 and the front end of the second vertical plate 313, which enhances the intensity of the first vertical plate 312 and the second vertical plate 313.
Support 31 is provided with rotary shaft hole, and rotating shaft 36 passes the through hole on pressure tongue 32 and is engaged in rotationally in the rotary shaft hole on support 31.
As depicted in figs. 1 and 2, tongue 32 is pressed to be located at rotationally in support 31 around rotation (i.e. the central axis of rotating shaft 36).Pressure tongue 32 has the first arm 321 and the second arm 322.First arm 321 and the second arm 322 are positioned at rotation both sides, and such as, the first arm 321 is positioned at the rear side of rotation, and the second arm 322 is positioned at the front side of rotation, and such first arm 321 is positioned at the rear side of the second arm 322.
Have predetermined angle between first arm 321 and the second arm 322, the scope of this predetermined angle can be between 120 °-150 °, and such as this predetermined angle is preferably 135 °.Certainly, be understandable that, the present invention is not limited to this, this predetermined angular can according to different refrigeration plant respective settings.
As shown in Figure 2, during door body 2 rotates from precalculated position towards closed position, the free end (rear end such as, in Fig. 1 and Fig. 2) that the lower end of door body 2 pushes against the first arm 321 is rotated counterclockwise around rotating shaft 36 to make pressure tongue 32.The free end of the second arm 322 is also rotated counterclockwise and upwards moves backward to push against the lower end at door body 2, so just can produce one backward upwards can be used for closing the door and the power of support door body 2, this power can be divided into the power for support door body 2 vertically upward, and level promotes the door closing force of a body 2 backward, thus close door assembly 3 just there is the function of closing gate action and upwards support door body 2, and to push the power of the first arm 321 free end larger in door body 2 lower end, for support door body 2 and close door body 2 make a concerted effort also larger, the action effect closing gate action and upwards support door body 2 closing door assembly 3 is better.
Refrigeration plant also comprises the first roller 33 and the second roller 34, and as shown in Figure 1 to Figure 3, the first roller 33 is rollably located at the free end of the first arm 321, and the second roller 34 is rollably located at the free end of the second arm 322.Can make like this free end of the first arm 321 and the lower end of door body 2, the free end of the second arm 322 and door body 2 lower end in contact time more smooth, make a body 2 opening and closing lighter, avoid, during contact, a card situation occurs.
Refrigeration plant also comprises the first roller bearing 331 and the second roller bearing 341, as shown in Figure 1 to Figure 3, first roller 33 is rollably located at the free end of the first arm 321 by the first roller bearing 331 running through it, and the second roller 34 is rollably located at the free end of the second arm 322 by the second roller bearing 341 running through it.
Preferably, as shown in Figure 1, first arm 321, the making a concerted effort of the gravity of the first roller bearing 331 and the first roller 33 be less than the second arm 322 to the moment of rotation, the moment arriving rotation with joint efforts of the gravity of the second roller bearing 341 and the second roller 34, like this when the first arm 321 is not subject to the pushing of a body 2 lower end, the horizontal level of the second arm 322 is lower relative to the first arm 321, namely the first arm 321 is the states tilted relative to the second arm 322, thus the lower end of door body 2 can push downwards the first arm 321 better when door body 2 moves from described precalculated position to closed position.
Second arm 322 is preferably in approximate horizontal state when namely the first arm 321 is not subject to the pushing of a body 2 lower end when free state, that is, second arm 322 from rotating shaft 36 to the center line of the second roller 34 of the free end (front end such as, in Fig. 1) being positioned at the second arm 322 be basic horizontal.
By such design, the free end of the first arm 321 can be made to contact with door body 2 better, and after the free end of the first arm 321 is subject to the pushing of a body 2 lower end, the free end of the second arm 322 also can oblique rear motion better, so that an effect is closed in support door body 2 and realization better.
According to a preferred embodiment of the present invention, as shown in Figure 2, the lower surface of door body 2 is formed with the recess 21 being suitable for coordinating with the free end of the second arm 322 during door body 2 rotates from precalculated position towards closed position, in other words, when door body 2 moves from described precalculated position to described closed position, the free end of the second arm 322 pushes against on described recess 21.The free end of such second arm 322 upwards can push against door body 2 better backward, thus an effect is closed in support door body 2 and realization better better.
Refrigeration plant is also included in the projection 22 being suitable for during a body 2 rotates from precalculated position towards closed position coordinating with the free end of the first arm 321, and projection 22 is located at the lower surface of a body 2 and is positioned at the rear of recess 21.Such door body 2 can push the free end of the first arm 321 downwards better by projection 22, thus the free end of the second arm 322 also can upwards be moved better backward, so that an effect is closed in support door body 2 and realization better.
Specifically, projection 22 is located at a body 2 lower end and closer to the position of casing 1, and coordinate with the first roller 33 being located at the second arm 322 free end, during door body 2 rotates from precalculated position to closed position, projection 22 can contact the first roller 33 of the first arm 321 free end, first roller 33 will roll on projection 22, and when door body 2 continues to rotate to closed position, projection 22 can to pressing down the first roller 33 thus making pressure tongue 36 rotate counterclockwise.
In a preferred embodiment of the invention, as shown in Figure 2, recess 21 is cardinal principle inverted V-shaped shape.Make the second roller 34 coordinate with recess 21 better like this, produce perpendicular to V-arrangement inclined-plane one oblique after power, this power can be divided into the power for support door body 2 vertically upward, and level promotes the door closing force of a body 2 backward.
The plane that the rear surface of projection 22 is configured to from front to back, tilt to extend from bottom to up or curved surface.Can coordinate better with the first roller 33 like this, when door body 2 turns to closed position, boss 22 can contact more smoothly with the first roller 33, avoids Caton phenomenon occurs, and makes open and close door more smooth and easy light.
As shown in Figure 3, first vertical plate 312 is provided with the first stopper slot running through it on the thickness direction of the first vertical plate 312, second vertical plate 313 is provided with the second stopper slot running through it in a thickness direction, first and second stopper slot shapes are identical and correspond to each other in a thickness direction, refrigeration plant also comprises limit shaft 35, and limit shaft 35 passes pressure tongue 32 and the two ends of limit shaft 35 are engaged in the first and second stopper slots respectively.That is, limit shaft 35 defines the anglec of rotation and the rotational travel of pressure tongue 32, pressure tongue 32 can only be rotated in predetermined scope, add the job stability closing door assembly 3, improve the practicality of refrigeration plant.
According to some embodiments of the present invention, refrigeration plant can be refrigerator.The door body 2 of such as this refrigerator can rely on Action of Gravity Field to close the door, namely door body 2 can sink certain stroke such as about 4mm in closing process, the gravitional force that door body 2 sinks can be converted to power of closing the door, and for this type of refrigerator, particularly suitable installs above-mentioned pass door assembly 3.Certainly, be understandable that, the refrigeration plants such as general refrigerator, beverage cabinet, wine cabinet also can adopt this pass door assembly 3.
The projection 22 of door body 2 lower end increases the stroke of the first roller 33 pressing down pressure tongue 32 first arm 321 free end, make to press down more to power, thus the power supporting recess 21 is also larger, supports a body 2 better, prevent the sagging inclination of a body 2, can also serve and better close an effect.
In brief, the refrigeration plant according to the embodiment of the present invention closes door assembly 3 by arranging, and achieves a body auto-lock function on the one hand, also improves a body sagging on the other hand.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. a refrigeration plant, is characterized in that, comprising:
Casing;
Men Ti, described door body open casing open position and close casing closed position between be located on described casing rotationally; And
Close door assembly, described pass door assembly is located on described casing, wherein described in described Men Ticong, open position turns over predetermined angular towards described closed position, and from turning over precalculated position corresponding to described predetermined angular to during described closed position is rotated, described in door body described in components drive of closing the door be supported on the below of described door body towards the motion of described closed position;
Described pass door assembly comprises:
Support, described support is fixed on described casing, and the top of described support is opened wide; And
Pressure tongue, described pressure tongue is located in described support around rotation rotationally, and described pressure tongue has and is positioned at described rotation both sides and in the first and second arms of predetermined angle, described first arm is positioned at the rear side of described second arm, wherein
During precalculated position described in described Men Ticong is rotated towards described closed position, the free end of described first arm of lower end pushing and pressing of described door body is rotated counterclockwise around described rotation to make described pressure tongue, and the free end of the described second arm lower end that pushes against described door body is to produce one for closing the door and the making a concerted effort of support door body.
2. refrigeration plant according to claim 1, is characterized in that, also comprises the first and second rollers, and described first roller is rollably located at the free end of described first arm, and described second roller is rollably located at the free end of described second arm.
3. refrigeration plant according to claim 2, it is characterized in that, also comprise the first roller bearing and the second roller bearing, described first roller is rollably located at the free end of described first arm by the first roller bearing running through it, and described second roller is rollably located at the free end of described second arm by the second roller bearing running through it.
4. refrigeration plant according to claim 3, it is characterized in that, be less than to the moment of described rotation the gravity of described first arm, described first roller bearing and described first roller with joint efforts, the moment making a concerted effort to arrive described rotation of the gravity of described second arm, described second roller bearing and described second roller.
5. refrigeration plant according to claim 1 and 2, is characterized in that, the lower surface of described door body is formed with the recess being suitable for coordinating with the free end of described second arm during precalculated position described in described Men Ticong is rotated towards described closed position,
Described refrigeration plant is also included in the projection being suitable for during precalculated position described in described Men Ticong is rotated towards described closed position coordinating with the free end of described first arm, and described projection is located at the lower surface of described door body and is positioned at the rear of described recess.
6. refrigeration plant according to claim 5, is characterized in that, described recess is cardinal principle inverted V-shaped shape.
7. refrigeration plant according to claim 5, is characterized in that, the rear surface of described boss is configured to from front to back, from bottom to up tilt extend plane or curved surface.
8. refrigeration plant according to claim 1, is characterized in that, described support comprises:
Fixed head;
First and second vertical plates parallel to each other, the front surface that described first and second vertical plates are fixed on described fixed head extends forward; And
Connecting plate, described connecting plate is connected between the front end of described first vertical plate and the front end of described second vertical plate.
9. refrigeration plant according to claim 8, it is characterized in that, described first vertical plate is provided with the first stopper slot running through it on the thickness direction of described first vertical plate, described second vertical plate is provided with the second stopper slot running through it on described thickness direction, described first and second stopper slot shapes are identical and correspond to each other on described thickness direction
Described refrigeration plant also comprises limit shaft, and described limit shaft passes described pressure tongue and the two ends of described limit shaft are engaged in described first and second stopper slots respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219534.9A CN103256781B (en) | 2013-06-04 | 2013-06-04 | Refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219534.9A CN103256781B (en) | 2013-06-04 | 2013-06-04 | Refrigeration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256781A CN103256781A (en) | 2013-08-21 |
| CN103256781B true CN103256781B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310219534.9A Active CN103256781B (en) | 2013-06-04 | 2013-06-04 | Refrigeration device |
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| CN (1) | CN103256781B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013216804A1 (en) * | 2013-08-23 | 2015-02-26 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance with a door leaf storage |
| CN105423687A (en) * | 2015-12-24 | 2016-03-23 | 合肥华凌股份有限公司 | Device for preventing door from sagging and refrigerator provided with such device |
| CN114606732A (en) * | 2020-12-07 | 2022-06-10 | 青岛海尔洗衣机有限公司 | Door lock device and clothes treating apparatus including the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579606A (en) * | 1993-11-30 | 1996-12-03 | Samsung Electronics Co., Ltd. | Refrigerator door opening/closing apparatus |
| US6138412A (en) * | 1997-04-25 | 2000-10-31 | Chase Industries, Inc. | Door opener and closer |
| CN102242589A (en) * | 2011-06-08 | 2011-11-16 | 合肥美的荣事达电冰箱有限公司 | Door closer and refrigerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100544154B1 (en) * | 2003-12-15 | 2006-01-23 | 주식회사 대우일렉트로닉스 | Device for automatically closing a vegetable box in a refrigerator |
-
2013
- 2013-06-04 CN CN201310219534.9A patent/CN103256781B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579606A (en) * | 1993-11-30 | 1996-12-03 | Samsung Electronics Co., Ltd. | Refrigerator door opening/closing apparatus |
| US6138412A (en) * | 1997-04-25 | 2000-10-31 | Chase Industries, Inc. | Door opener and closer |
| CN102242589A (en) * | 2011-06-08 | 2011-11-16 | 合肥美的荣事达电冰箱有限公司 | Door closer and refrigerator |
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| Publication number | Publication date |
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| CN103256781A (en) | 2013-08-21 |
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