CN203349328U - Door opening and closing device and kitchen heating appliance with same - Google Patents
Door opening and closing device and kitchen heating appliance with same Download PDFInfo
- Publication number
- CN203349328U CN203349328U CN 201320328662 CN201320328662U CN203349328U CN 203349328 U CN203349328 U CN 203349328U CN 201320328662 CN201320328662 CN 201320328662 CN 201320328662 U CN201320328662 U CN 201320328662U CN 203349328 U CN203349328 U CN 203349328U
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- China
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- door opening
- closing apparatus
- slide rail
- roll wheel
- wheel assembly
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Abstract
The utility model discloses a door opening and closing device and a kitchen heating appliance with the same. The door opening and closing device comprises an actuator assembly, a sliding rail and a fixing rail, wherein the sliding rail is connected with the actuator assembly, and driven by the actuator assembly to move in a front-rear direction, and the sliding rail is movably arranged in the fixing rail by a roller assembly in the front-rear direction. According to the door opening and closing device, with the adoption of the roller assembly, contact between the sliding rail and the fixing rail is changed from sliding friction to rolling friction, so that an acting force is saved effectively, and noise generated in a working process of the door opening and closing device is reduced.
Description
Technical field
The utility model relates to appliance field, especially relates to a kind of door opening/closing apparatus and the kitchen heating appliances with it.
Background technology
The automatic switch door gear of traditional drawer type kitchen heating appliances is mainly to realize automatic opening and closing door by simple engaged gears structure.Yet this automatic switch door gear has following shortcoming: the loss of the first, useful effect power is large; The second, speed control is unreasonable, affects the life-span of gear; Three, gear buffering is unreasonable, and gear easily produces noise; Four, gear distributes the useful effect power produced inadequate, easily causes switch gate not smooth, thereby affects the life-span of complete machine.
The utility model content
The utility model is intended at least solve one of technical problem existed in prior art.For this reason, a purpose of the present utility model is to propose a kind of effective interaction power and the low door opening/closing apparatus of noise.
Another purpose of the present utility model is to propose a kind of kitchen heating appliances with above-mentioned door opening/closing apparatus.
Door opening/closing apparatus according to the utility model first aspect embodiment comprises: actuator assembly; Slide rail, described slide rail is connected with described actuator assembly and is driven and moved up in front and back by described actuator assembly; And fixed track, described slide rail is located in described fixed track on fore-and-aft direction movably by roll wheel assembly.
Door opening/closing apparatus according to the utility model first aspect embodiment, by roll wheel assembly is set, contact between slide rail and fixed track just becomes rolling friction by sliding friction, thereby has effectively saved active force, and has reduced the noise that door opening/closing apparatus produces in the course of the work.
In addition, also can there is following additional technical feature according to door opening/closing apparatus of the present utility model:
According to an embodiment of the present utility model, described roll wheel assembly comprises: plate body is formed with at least two installing holes on described plate body; At least two rollers, described roller is located in described installing hole pivotly.
Further, described roll wheel assembly is at least the relative both sides that a pair of and at least one pair of described roll wheel assembly is located at respectively described fixed track.Thus, can effectively guarantee the stationarity of slide rail motion.
Alternatively, described roll wheel assembly is the two ends setting that two pairs and described two pair roller assemblies are respectively adjacent to described fixed track.Thus, make door opening/closing apparatus integral body reach balance, saved active force, extended the life-span of actuator assembly.
Particularly, described plate body is three, and wherein two described plate bodys each interval on vertically is arranged, and another described plate body vertically arranges and two ends are connected to the described wherein respective ends of two plate bodys.Thus, each contact-making surface of slide rail and fixed track becomes rolling friction by sliding friction, has further saved active force, and has further reduced the noise that door opening/closing apparatus produces in the course of the work.
According to an embodiment of the present utility model, on described fixed track, on the position of corresponding each described roll wheel assembly, be respectively equipped with at least one pair of locating part.Thus, by locating part is set, effectively prevented that roll wheel assembly from arbitrarily rolling or deviating from the situation of fixed track in fixed track.
Alternatively, the distance between two locating parts in the every pair of described locating part is greater than the length of described roll wheel assembly on moving direction.Thus, roll wheel assembly can roll between its corresponding two locating parts, has further reduced the noise that door opening/closing apparatus produces in the course of the work.
According to an embodiment of the present utility model, described actuator assembly comprises: driver, and described driver has output shaft; And transmission component, described transmission component comprises the first transmission component be connected with described output shaft and the second transmission component be connected with described slide rail, described the first transmission component comprises two pitch wheels, and described the second transmission component is connected with described the first transmission component.Thus, by adopting gear drive, avoided driver to directly act on the second transmission component, played the effect of buffering, guaranteed the stationarity of transmission, and improved the service life of driver.
Further, described door opening/closing apparatus further comprises: gear cover, described gear cover is located at outside described two gears.The noise sent while thus, having reduced gear drive.
Particularly, described the second transmission component comprises: screw rod, and described screw rod is connected with one of them described gear and is rotated by the described screw rod of described gear driven; And movable block, described movable block is located on described slide rail, and described movable block is engaged in movably on described screw rod and moves with described screw rod, to rotarily drive described slide rail.Thus, by adopting the fit system of screw rod and movable block, move more steady.
Further, the end away from described driver of described screw rod is provided with fixed block, and described fixed block is supported on described slide rail.Thus, by fixed block is set, improved the stationarity of door opening/closing apparatus action.
Kitchen heating appliances according to the utility model second aspect embodiment, comprising: casing; The door body, described door body is located at the front side of described casing to open or close described casing; And, according to the door opening/closing apparatus of the above-mentioned first aspect embodiment of the utility model, wherein said door opening/closing apparatus is located between described casing and described door body.
According to the kitchen heating appliances of the utility model embodiment, by the door opening/closing apparatus of above-described embodiment is set, reduced the kitchen heating appliances noise that for example micro-wave oven produces, improved kitchen heating appliances use of microwave ovens life-span for example.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the explosive view according to the door opening/closing apparatus of an embodiment of the utility model;
Fig. 2 is the schematic diagram of door opening/closing apparatus in the state of closing the door according to an embodiment of the utility model;
Fig. 3 is the cutaway view shown in Fig. 2;
Fig. 4 is the schematic diagram of door opening/closing apparatus in door opening state according to an embodiment of the utility model;
Fig. 5 is the cutaway view shown in Fig. 4;
Fig. 6 is according to the fixed track of the door opening/closing apparatus of an embodiment of the utility model and the assembling schematic diagram of roll wheel assembly;
Fig. 7 is the enlarged drawing of the A section that shows of Fig. 6 centre circle.
Description of reference numerals:
100: door opening/closing apparatus;
11: driver; 111: output shaft;
12: gear; 13: the second transmission components; 131: screw rod; 132: movable block;
14: gear cover; 141: cover body;
2: slide rail; 21: side plate; 22: base plate;
3: fixed track; 31: siding track; 311: through hole; 32: end rail; 33: locating part;
4: roll wheel assembly; 41: plate body; 411: installing hole; 42: roller;
5: fixed block.
The specific embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe the door opening/closing apparatus 100 according to the utility model first aspect embodiment below with reference to Fig. 1-Fig. 7, this door opening/closing apparatus 100 is located between a body and casing, and this door opening/closing apparatus 100 can be used for the kitchen heating appliances for example in micro-wave oven.In description below the application, the door opening/closing apparatus 100 of take describes as example for micro-wave oven.Certainly those skilled in the art are appreciated that, this door opening/closing apparatus 100 only describes as example for micro-wave oven, and be not limited to this, according to door opening/closing apparatus 100 of the present utility model, also can be used in the kitchen heating appliances of other types, such as baking box etc.
As shown in Figure 1, according to the door opening/closing apparatus 100 of the utility model first aspect embodiment, comprise actuator assembly, slide rail 2 and fixed track 3.
Door opening/closing apparatus 100 according to the utility model first aspect embodiment, by roll wheel assembly 4 is set, contact between slide rail 2 and fixed track 3 just becomes rolling friction by sliding friction, thereby has effectively saved active force, and has reduced the noise that door opening/closing apparatus 100 produces in the course of the work.
In an embodiment of the present utility model, roll wheel assembly 4 comprises: plate body 41 and at least two rollers 42 are formed with at least two installing holes 411 on plate body 41.Roller 42 is located in installing hole 411 pivotly.
For example, in the example of Fig. 1 and Fig. 6, can be formed with a plurality of run through it and installing holes 411 that be spaced apart from each other on plate body 41, the shape of each installing hole 411 is all roughly rectangular, a plurality of rollers 42 are corresponding one by one with a plurality of installing holes 411, each roller 42 is through its corresponding installing hole 411, particularly, the part of roller 42 is positioned at the top of plate body 41, and another part is positioned at the below of plate body 41.It will be appreciated that, the quantity of installing hole 411 and roller 42 can be according to the actual requirement setting, to meet better actual requirement.
Particularly, plate body 41 is three, and wherein two plate bodys 41 each interval on vertically is arranged, and another plate body 41 vertically arranges and two ends are connected to the wherein respective ends of two plate bodys 41.With reference to Fig. 1 and Fig. 6, two plate bodys 41 each interval on above-below direction is arranged, another plate body 41 extends along the vertical direction, and its upper end is connected to left end or the right-hand member of the plate body 41 that is positioned at top, its lower end is connected to left end or the right-hand member of the plate body 41 that is positioned at below, all be formed with a plurality of installing holes 411 on each plate body 41 so that a plurality of rollers 42 to be installed respectively, like this, slide rail 2 becomes rolling friction with each contact-making surface of fixed track 3 by sliding friction, further saved active force, and further reduced the noise that door opening/closing apparatus 100 produces in the course of the work.Certainly, the utility model is not limited to this, in three plate bodys 41, also can only have one or two plate body 41 to be provided with roller 42(figure not shown).
Further, roll wheel assembly 4 is at least a pair of, and at least one pair of roll wheel assembly 4 is located at respectively the relative both sides of fixed track 3.As shown in Figure 1, a pair of roll wheel assembly 4 comprises two roll wheel assemblies 4, two roll wheel assemblies 4 are oppositely arranged, and lay respectively at left side and the right side of fixed track 3, particularly, when slide rail 2, after fixed track 3 and roll wheel assembly 4 are seated, the siding track 31 that is positioned at left side of fixed track 3 contacts with the roller 42 along on the vertical plate body 41 extended of the roll wheel assembly 4 in left side, the upper surface of the siding track 31 that is positioned at left side of fixed track 3 contacts with the roller 42 on the plate body 41 that is positioned at top of left side roll wheel assembly 4, roller 42 on the plate body 41 that is positioned at below of the end rail 32 of fixed track 3 and left side roll wheel assembly 4 contacts, the siding track that is positioned at right side 31 of fixed track 3 contacts with the roller 42 along on the vertical plate body 41 extended of the roll wheel assembly 4 on right side, roller 42 on the plate body 41 that is positioned at top of the upper surface of the siding track that is positioned at right side 31 of fixed track 3 and right side roll wheel assembly 4 contacts, roller 42 on the plate body 41 that is positioned at below of the end rail 32 of fixed track 3 and right side roll wheel assembly 4 contacts, correspondingly, roller 42 on roll wheel assembly 4 contacts with the outer surfaces of slide rail 2, making like this slide rail 2 is rolling friction in the interior integral body of fixed track 3, greatly saved active force, and by being arranged to right roll wheel assembly 4, effectively guaranteed the stationarity of slide rail 2 motions.
Alternatively, roll wheel assembly 4 is the two ends setting that two pairs and two pair roller assemblies 4 are respectively adjacent to fixed track 3.For example, in the example of Fig. 1-Fig. 6, the rear and front end of fixed track 3 is respectively equipped with two pair roller assemblies 4, can make like this door opening/closing apparatus 100 integral body reach balance, interaction power, and when driver 11 assemblies adopt gear 12 to carry out transmission, save the engagement dynamics of gear 12, thereby extended the life-span of driver 11 assemblies.
In an embodiment of the present utility model, on fixed track 3, on the position of corresponding each roll wheel assembly 4, be respectively equipped with at least one pair of locating part 33.That is to say, on fixed track 3, the front-end and back-end of corresponding roll wheel assembly 4 are respectively equipped with at least one locating part 33.Particularly, with reference to Fig. 1-Fig. 7, locating part 33 is located on the siding track 31 of fixed track 3, be formed with the through hole 311 that runs through it on fixed track 3, locating part 33 extends towards the direction of another siding track 31 from a sidewall horizontal of through hole 311, be provided with a roll wheel assembly 4 between two locating parts 33 in a pair of locating part 33, thereby effectively prevented roll wheel assembly 4 in fixed track 3 interior random rolling or deviate from the situation of fixed track 3.Certainly, the utility model is not limited to this, and in another example of the present utility model, locating part 33 also can be located on the end rail 32 of fixed track 3 (scheming not shown).In another example of the present utility model, also can not be formed with through hole 311 on fixed track 3, locating part 33 directly extends (scheming not shown) from the corresponding wall of fixed track 3.It will be appreciated that, the quantity of locating part 33 and physical location can be according to the actual requirement settings, to have limit effect better.Alternatively, locating part 33 is one-body molded with fixed track 3.
Alternatively, the distance between two locating parts 33 in the every pair of locating part 33 is greater than the length of roll wheel assembly 4 on moving direction.In other words, as shown in Fig. 1, Fig. 3, Fig. 5-Fig. 7, two locating parts 33 isolated distance on fore-and-aft direction in a pair of locating part 33 is greater than the length of roll wheel assembly 4 on fore-and-aft direction, thereby roll wheel assembly 4 can roll between its corresponding two locating parts 33, has further reduced the noise that door opening/closing apparatus 100 produces in the course of the work.
An embodiment of the present utility model, actuator assembly comprises: driver 11 and transmission component, driver 11 has output shaft 111.As Figure 1-Figure 5, driver 11 can be motor, and output shaft 111 stretches out from an end of motor, and alternatively, the shape of cross section of output shaft 111 is roughly " D " shape or " rice " font etc.In description below the application, the driver 11 of take describes as motor as example.
Transmission component comprises the first transmission component be connected with output shaft 111 and comprises that two pitch wheels, 12, the second transmission components 13 are connected with the first transmission component the second transmission component 13, the first transmission components that are connected with slide rail 2.With reference to Fig. 1, Fig. 3 and Fig. 5, two gears 12 are arranged on above-below direction, alternatively, driving wheel is positioned at below, driven pulley is positioned at top, the output shaft 111 of motor is connected with the driving wheel of below, driven pulley is connected with the second transmission component 13, when door opening/closing apparatus 100 is in running order, driving wheel drives rotation by motor, by the engagement of driving wheel and driven pulley, driven pulley is around its center rotating, then drive the second transmission component 13, because the second transmission component 13 is connected with slide rail 2, move up in front and back thereby drive slide rail 2.Thus, by adopting gear 12 transmissions, avoided driver 11 to directly act on the second transmission component 13, played the effect of buffering, guaranteed the stationarity of transmission, and improved the service life of driver 11.
Further, door opening/closing apparatus 100 further comprises: gear cover 14, gear cover 14 is located at outside two gears.For example, in the example of Fig. 1-Fig. 5, gear cover 14 comprises two cover bodies 141, two cover bodies 141 are located at respectively the front-end and back-end of two gears 12, be positioned at the rear end open of the cover body 141 of front end, the front end that is positioned at the cover body 141 of rear end opens wide, two cover bodies 141 mutually fasten to limit the spatial accommodation that holds two gears 12 on fore-and-aft direction, and alternatively, each cover body 141 is circle, ellipse, Long Circle or the polygon that is greater than three limits etc.Thus, by gear cover 14 is set, the noise sent while having reduced gear 12 transmission.
Certainly, the utility model is not limited to this, in other examples of the present utility model, two cover bodies 141 also can be located at respectively the top and bottom of two gears 12, particularly, cover body 141 lower ends that are positioned at upper end are opened wide, and cover body 141 upper ends that are positioned at lower end are opened wide, and two cover bodies 141 mutually fasten to limit the spatial accommodation (scheming not shown) that holds two gears 12 on above-below direction.
Particularly, the second transmission component 13 comprises: screw rod 131 and movable block 132, screw rod 131 is connected with one of them gear 12 and drives screw rod 131 rotations by gear 12.As Figure 1-Figure 5, screw rod 131 is located between two side plates 21 of slide rail 2, screw rod 131 extends along fore-and-aft direction, and be formed with the external screw thread extended around its axial screw on the outer peripheral face of screw rod 131, screw rod 131 can be connected with the driven pulley with gear cover 14 through the cover body 141 that is positioned at front end, and screw rod 131 rotates with driven pulley and around its axial rotation.
Further, the end away from driver 11 of screw rod 131 is provided with fixed block 5, and fixed block 5 is supported on slide rail 2.As Figure 1-Figure 5, fixed block 5 is roughly rectangular, and fixed block 5 is located at the front end of screw rod 131, and its ground contacts with the upper surface of the base plate 22 of slide rail 2, thereby can improve the stationarity of door opening/closing apparatus 100 actions.
Kitchen heating appliances according to the utility model second aspect embodiment, comprise: casing (scheming not shown), door body (scheming not shown) and according to the door opening/closing apparatus 100 of the above-mentioned first aspect embodiment of the utility model, a door body is located at the front side of casing to open or close casing.Wherein door opening/closing apparatus 100 is located between casing and door body.
In one of them example of the present utility model, the front side of casing is opened wide, and the door body is located at the front side of casing, door body and casing limit accommodating chamber jointly, motor can be located at the rear portion of accommodating chamber, and fixed track 3 can be connected to the bottom of accommodating chamber, and the front end of slide rail 2 is fixed on a body.Alternatively, slide rail 2 screws are fixed on a body.
When needs are beaten opening door body, starter motor, output shaft 111 rotates, drive two pitch wheels 12 and rotate, thereby drive screw rod 131 around its axial rotation, movable block 132 coordinates with screw rod 131, movable block 132 is fixed on slide rail 2, the mobile slide rail 2 that promotes of movable block 132 moves forward, and then drives a door body and move forward, and realizes opening door operation.When needs are closed body, starter motor, output shaft 111 rotates backward, drive two pitch wheel 12 counter-rotation, axially rotate backward around it thereby drive screw rod 131, movable block 132 coordinates with screw rod 131, movable block 132 is fixed on slide rail 2, the mobile slide rail 2 that promotes of movable block 132 moves backward, and then drives a door body and move backward, realizes door-closing operation.Motor adopts bi-directional drive principle, the reasonably speed of gauge tap door.
According to the kitchen heating appliances of the utility model embodiment, by the door opening/closing apparatus 100 that above-described embodiment is set, reduced the kitchen heating appliances noise that for example micro-wave oven produces, improved kitchen heating appliances use of microwave ovens life-span for example.
According to the kitchen heating appliances of the utility model embodiment for example other formations and the operation of micro-wave oven be all known to those skilled in the art, be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (12)
1. a door opening/closing apparatus, is characterized in that, comprising:
Actuator assembly;
Slide rail, described slide rail is connected with described actuator assembly and is driven and moved up in front and back by described actuator assembly; And
Fixed track, described slide rail is located in described fixed track on fore-and-aft direction movably by roll wheel assembly.
2. door opening/closing apparatus according to claim 1, is characterized in that, described roll wheel assembly comprises:
Plate body, be formed with at least two installing holes on described plate body; With
At least two rollers, described roller is located in described installing hole pivotly.
3. door opening/closing apparatus according to claim 2, is characterized in that, described roll wheel assembly is at least the relative both sides that a pair of and at least one pair of described roll wheel assembly is located at respectively described fixed track.
4. door opening/closing apparatus according to claim 3, is characterized in that, described roll wheel assembly is the two ends setting that two pairs and described two pair roller assemblies are respectively adjacent to described fixed track.
5. door opening/closing apparatus according to claim 4, it is characterized in that, described plate body is three, and wherein two described plate bodys each interval on vertically is arranged, and another described plate body vertically arranges and two ends are connected to the described wherein respective ends of two plate bodys.
6. door opening/closing apparatus according to claim 1, is characterized in that, on described fixed track, on the position of corresponding each described roll wheel assembly, is respectively equipped with at least one pair of locating part.
7. door opening/closing apparatus according to claim 6, is characterized in that, the distance between two locating parts in the every pair of described locating part is greater than the length of described roll wheel assembly on moving direction.
8. according to the described door opening/closing apparatus of any one in claim 1-7, it is characterized in that, described actuator assembly comprises:
Driver, described driver has output shaft; With
Transmission component, described transmission component comprises the first transmission component be connected with described output shaft and the second transmission component be connected with described slide rail, described the first transmission component comprises two pitch wheels, and described the second transmission component is connected with described the first transmission component.
9. door opening/closing apparatus according to claim 8, is characterized in that, further comprises:
Gear cover, described gear cover is located at outside described two gears.
10. door opening/closing apparatus according to claim 8, is characterized in that, described the second transmission component comprises:
Screw rod, described screw rod is connected with one of them described gear and is rotated by the described screw rod of described gear driven; With
Movable block, described movable block is located on described slide rail, and described movable block is engaged in movably on described screw rod and moves with described screw rod, to rotarily drive described slide rail.
11. door opening/closing apparatus according to claim 10, is characterized in that, the end away from described driver of described screw rod is provided with fixed block, and described fixed block is supported on described slide rail.
12. a kitchen heating appliances, is characterized in that, comprising:
Casing;
The door body, described door body is located at the front side of described casing to open or close described casing; And
According to the described door opening/closing apparatus of any one in claim 1-11, wherein said door opening/closing apparatus is located between described casing and described door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320328662 CN203349328U (en) | 2013-06-07 | 2013-06-07 | Door opening and closing device and kitchen heating appliance with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320328662 CN203349328U (en) | 2013-06-07 | 2013-06-07 | Door opening and closing device and kitchen heating appliance with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349328U true CN203349328U (en) | 2013-12-18 |
Family
ID=49749225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320328662 Withdrawn - After Issue CN203349328U (en) | 2013-06-07 | 2013-06-07 | Door opening and closing device and kitchen heating appliance with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235908A (en) * | 2013-06-07 | 2014-12-24 | 美的集团股份有限公司 | Door opening and closing device and kitchen heating apparatus having same |
-
2013
- 2013-06-07 CN CN 201320328662 patent/CN203349328U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235908A (en) * | 2013-06-07 | 2014-12-24 | 美的集团股份有限公司 | Door opening and closing device and kitchen heating apparatus having same |
| CN104235908B (en) * | 2013-06-07 | 2016-08-10 | 美的集团股份有限公司 | Door opening/closing apparatus and the heating utensil in kitchen with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |