CN108426400A - Refrigerator - Google Patents

Abstract

Present invention is disclosed a kind of refrigerators, including babinet, open or close the main door of the babinet, the main door is equipped with opening and time door, the secondary door has the opening state for opening the opening and closes the closed state of the opening, wherein, the main door has main door front panel, the refrigerator further includes transversal driving mechanism and longitudinal driving mechanism, the transversal driving mechanism drives secondary door transverse shifting on the direction for being approximately perpendicular to the main door front panel, the longitudinal driving mechanism drives the secondary door to be vertically moved upward or downward along the direction for being roughly parallel to the main door front panel, the transversal driving mechanism includes the cross motor set on the main door, the transverse gear driven by the cross motor and the horizontal tooth bar being meshed with the transverse gear, the horizontal tooth bar is connected to the secondary door.Occupied space is smaller when the secondary door of the refrigerator is opened and picks and places article conveniently.

Description

Refrigerator

Technical field

The present invention relates to a kind of field of household appliances more particularly to a kind of refrigerators.

Background technology

With the continuous improvement of people's living standards, big volume refrigerator is widely applied.And as volume increases, ice The volume of case also will accordingly increase, and broaden to which refrigerator door is also required to get higher.But user needs frequently to open when picking and placeing article The door body of large volume causes cold in refrigerator to be lost in seriously so that high frequent starts, to cause energy consumption of refrigerator to increase Add.

In order to solve the above technical problems, technical staff is studied, it is open by being arranged in main door, opening setting Secondary door, secondary door are open by pivot rotatably arranged with to open or close, but need to flip outward when secondary door opening, occupied space It is larger, and before user so that it takes very inconvenient.In addition, opening the door every time, it can all cause the opening of refrigerator main door whole It opens, cold is lost in still larger.

Invention content

The purpose of the present invention is to provide a kind of refrigerator, occupied space is smaller when the secondary door of the refrigerator is opened and picks and places Article is convenient.

One of for achieving the above object, an embodiment of the present invention provides a kind of refrigerator, the refrigerator include babinet, The main door of the babinet is opened or closed, the main door is equipped with opening and time door, and the secondary door, which has, opens the opening Opening state and the closed state for closing the opening, wherein the main door has main door front panel, and the refrigerator further includes cross To driving mechanism and longitudinal driving mechanism, the transversal driving mechanism drives the secondary door being approximately perpendicular to before the main door Transverse shifting on the direction of plate, the longitudinal driving mechanism drive the secondary door along the side for being roughly parallel to the main door front panel To vertically moving upward or downward, the transversal driving mechanism includes set on the cross motor of the main door, by the laterally electricity The transverse gear of machine driving and the horizontal tooth bar being meshed with the transverse gear, the horizontal tooth bar are connected to the secondary door.

As being further improved for embodiment of the present invention, the refrigerator further includes mounting bracket, and the horizontal tooth bar is set In the mounting bracket, the mounting bracket is connected to the secondary door, when the cross motor is activated, the mounting bracket Drive the secondary door relative to the main door transverse shifting, when the secondary door is drivingly vertically moved upward or downward, institute It is fixed relative to the main door to state mounting bracket.

As being further improved for embodiment of the present invention, the refrigerator further includes being oriented to the mounting bracket Guiding mechanism, the guiding mechanism include guide post and the guide sleeve matched with the guide post.

As being further improved for embodiment of the present invention, the guide post is set in the mounting bracket, and described is led Column extends along the direction lengthwise of the secondary door transverse shifting, and the refrigerator further includes the fixation being fixedly installed in the main door Part, the cross motor and guide sleeve are set on the fixing piece.

As being further improved for embodiment of the present invention, the guide pillars and bushes is disposed as two.

As being further improved for embodiment of the present invention, longitudinal driving mechanism includes longitudinal motor, by longitudinal electricity Longitudinal gear of machine driving and the longitudinal rack being meshed with longitudinal gear, the longitudinal rack are set to the secondary door, and When the transversal driving mechanism drives the secondary door transverse shifting, the longitudinal motor and longitudinal gear are together with the secondary door Transverse shifting, when the longitudinal driving mechanism drives the secondary door to vertically move upward or downward, the longitudinal motor and vertical To gear relative to the main door in the vertical direction without relative displacement.

As being further improved for embodiment of the present invention, the central axis upright of the longitudinal direction gear is before the main door Panel.

As being further improved for embodiment of the present invention, the central axis of the transverse gear is roughly vertical.

As being further improved for embodiment of the present invention, the main door have far from the main door front panel and with it is described The opposite bottom of main door front panel, left side and right side between the bottom and main door front panel, before the main door Panel, bottom, left side and right side define the opening, and the cross motor and longitudinal motor are before the main door Panel is arranged.

As being further improved for embodiment of the present invention, the refrigerator further includes the installation for being fixedly installed on the secondary door Part, lengthwise extends and is equipped with pilot hole along longitudinal direction on the installation part, and the longitudinal rack is set to a side of the pilot hole.

As being further improved for embodiment of the present invention, the refrigerator further includes being fixed not relative to the horizontal tooth bar Dynamic counterpart, the counterpart are coupled with the pilot hole activity, when the secondary door is moved by drivingly longitudinal upward or downward When dynamic, the counterpart is vertically moved relative to the installation part.

As being further improved for embodiment of the present invention, the longitudinal direction gear and longitudinal rack are disposed as two.

Compared with prior art, the beneficial effects of the present invention are：Technical solution provided by the invention, it is described laterally driven Mechanism drives secondary door transverse shifting on the direction for being approximately perpendicular to the main door front panel, so that the secondary door is substantially There is certain interval on the direction of the main door front panel between the main door front panel, then the driving mechanism The secondary door is driven to be vertically moved upward or downward along the direction for being roughly parallel to the main door front panel again, described in opening Opening.Therefore occupied space is smaller when the invention makes the secondary door of refrigerator open and picks and places article conveniently, and in addition the invention can Opening is opened completely, also can opening corresponding size be opened into as needed, not necessarily open opening completely every time, to Greatly reduce the energy consumption of refrigerator.Furthermore the transversal driving mechanism is set as driving time door lateral using gear ＆ rack structure It is mobile, it is simple and reliable for structure, cost is relatively low.

Description of the drawings

Fig. 1 is the front view of refrigerator in first embodiment of the invention, removes babinet herein, and secondary door is in open shape State；

Fig. 2 is the left view of refrigerator in Fig. 1, and secondary door is in the open state at this time；

Fig. 3 is the left view of refrigerator in Fig. 1, and secondary door is closed at this time；

Fig. 4 is the perspective exploded view of refrigerator in Fig. 1；

Fig. 5 is the stereoscopic schematic diagram of refrigerator in second embodiment of the invention, removes babinet herein, and secondary door is in and closes shape State；

Fig. 6 is the other direction stereoscopic schematic diagram of refrigerator in second embodiment of the invention, removes babinet herein, and secondary door is in Closed state；

Fig. 7 is the rearview of refrigerator in Fig. 5, and secondary door is closed at this time；

Fig. 8 is sectional view at A-A in Fig. 7；

Fig. 9 is sectional view at B-B in Fig. 7；

Figure 10 is partial enlarged view at C in Fig. 9；

Figure 11 is the left view of refrigerator in Fig. 5, and secondary door is closed herein；

Figure 12 is the left view of refrigerator in Fig. 5, and bar desk drives time door to be moved laterally to main door substantially relative to main door at this time There is certain interval on the direction of main door front panel；

Figure 13 is the left view of refrigerator in Fig. 5, and secondary door moves longitudinally to opening state herein, and bar desk is before being approximately perpendicular to main door Not prominent door on the direction of panel；

Figure 14 is the left view of refrigerator in Fig. 5, and secondary door is in the open state herein, and bar desk is being approximately perpendicular to main door front panel Side, which continues up to move laterally to, protrudes from time door；

Figure 15 is the front view of refrigerator in third embodiment of the invention, removes babinet herein, and secondary door is closed；

Figure 16 is the left view of refrigerator in Figure 15, and secondary door is closed at this time；

Figure 17 is the left view of refrigerator in Figure 15, and secondary door moves laterally to relative to main door and is being approximately perpendicular to master with main door at this time There is on the direction of panel certain interval in front of the door；

Figure 18 is the left view of refrigerator in Figure 15, and secondary door moves longitudinally to opening state herein；

Figure 19 is the front view of refrigerator in Figure 15, removes time door herein；

Figure 20 is the rearview of the transversal driving mechanism of refrigerator and longitudinal driving mechanism in Figure 15；

Figure 21 is the stereoscopic schematic diagram of the transversal driving mechanism of refrigerator and longitudinal driving mechanism in Figure 20, and secondary door, which is in, at this time closes State；

Figure 22 is the stereoscopic schematic diagram of the transversal driving mechanism of refrigerator and longitudinal driving mechanism in Figure 20, and secondary door is relative to master at this time Door is moved laterally to has certain interval with main door on the direction for being approximately perpendicular to main door front panel；

Figure 23 is the other direction stereoscopic schematic diagram of the transversal driving mechanism of refrigerator and longitudinal driving mechanism in Figure 20, at this time secondary door Move longitudinally to opening state.

Specific implementation mode

Below with reference to specific implementation mode shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally Transformation is included within the scope of protection of the present invention.

In the description of the specific embodiment of the invention, term "upper", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "bottom", "inner" and "outside" is that orientation based on ... shown in the drawings or position are closed System, normal operating condition usually be in as reference using refrigerator, and be not instruction meaning position or element must have it is specific Orientation.

Furthermore, it should be appreciated that although term first, second etc. can be used to describe herein various elements or Structure, but these are described object and should not be limited by above-mentioned term.Above-mentioned term be only used for by these description objects that This is distinguished.For example, the first connecting shaft can be referred to as the second connecting shaft, equally, the second connecting shaft can also be referred to as first Connecting shaft, this protection domain without departing from this application.

As shown in Figures 1 to 4, first preferred embodiment provided by the invention discloses a kind of refrigerator, and refrigerator includes babinet （It is not shown）With the main door 10 for being used to open or closing babinet, babinet defines storing compartment, wherein the quantity of storing compartment and Structure type can be configured according to different demands.Storing compartment generally includes refrigerating chamber and freezing chamber.

Main door 10 is equipped with opening 12 and time door 14, and secondary door 14 has the opening state for opening opening 12 and closes opening 12 Closed state, when secondary door 14 in the open state, user can from opening 12 from pick and place food, terminate when picking and placeing food When, secondary door 14 is transformed into closed state, to close opening 12.

Main door 10 has main door front panel 16, and refrigerator further includes driving mechanism, when secondary door 14 is from closed state to open shape When state converts, driving mechanism first drives time door 14 to be moved to the direction far from opening 12, so that secondary door 14 is being approximately perpendicular to master There is certain interval between main door front panel 16 in front of the door, so that secondary door 14 can move upward or downward on the direction of panel 16 It is dynamic, not by the interference of main door 10.Following driving mechanism drives time door 14 along the direction for being roughly parallel to main door front panel 16 again It vertically moves upward or downward, to open opening 12.This preferred embodiment, when opening opening 12, driving mechanism first drives Secondary door 14 is moved to the direction far from opening 12, then time door 14 is driven to be indulged upwards along the direction for being roughly parallel to main door front panel 16 To movement.It is of course also possible to be arranged according to the position of 12 setting of opening and the different of driving mechanism, it is arranged to work as and opens opening 12 When, driving mechanism first drives time door 14 to be moved to the direction far from opening 12, then drives time door 14 before being roughly parallel to main door The direction of panel 16 vertically moves downwards.

Correspondingly, the step of secondary door 14 is converted from opening state to closed state converts with from off state to opening state The step of on the contrary, specifically, when secondary door 14 is converted from opening state to closed state, driving mechanism first drives time door 14 along big It causes the direction for being parallel to main door front panel 16 to vertically move downwards, is moved in the direction for being approximately perpendicular to main door front panel 16 On, when opening 12 is completely covered in secondary door 14, following driving mechanism drives time door 14 to be moved to close to the direction of opening 12 again, directly It fits to secondary door 14 and the main door 10, to close opening 12.

In this preferred embodiment, since the driving mechanism first drives the secondary door 14 to the direction far from the opening 12 It is mobile so that the secondary door 14 on the direction for being approximately perpendicular to the main door front panel 16 between the main door front panel 16 With certain interval, then the driving mechanism drives the secondary door 14 along the side for being roughly parallel to the main door front panel 16 again To vertically moving upward or downward, to open the opening 12.The invention occupied sky when the secondary door 14 of refrigerator is opened Between it is smaller and pick and place that article is convenient, and the in addition invention can open opening 12 completely, also can as needed will 12 opening phases of opening The size answered not necessarily opens opening 12, thus greatly reduces the energy consumption of refrigerator completely every time.

Further, secondary door 14 has time in front of the door panel 18, when secondary door 14 is closed, secondary door 14 time in front of the door Panel 18 and the main door front panel 16 of main door 10 are substantially concordant.So that refrigerator external structure is regular, very beautiful.Certainly, When secondary door 14 is closed, secondary door 14 time panel 18 and the main door front panel 16 of main door 10 can also be arranged in front of the door It is not concordant.In addition, when time door 14 in the open state, on secondary door 14 with time in front of the door 18 opposite facing rear side of panel and main door 10 Main door front panel 16 it is facing, main door 10 with the projection of time door 14 on the direction for being approximately perpendicular to main door front panel 16 at least It partly overlaps.

Specifically, driving mechanism includes relative to 10 fixed driving motor 20 of main door, is set to 20 and of driving motor Drive mechanism 22 between secondary door 14, refrigerator further include the guide frame 24 being oriented to the movement of secondary door 14.Refrigerator also wraps Include the control module being electrically connected with driving motor 20（It is not shown）, to control driving motor 20.

Drive mechanism 22 includes driving the driving wheel 26 rotated by driving motor 20, being rotatably arranged in main door 10 Driven wheel 28, set on driving wheel 26 and the periphery of driven wheel 28 with transmit movement driving member 30 and can by the first connecting shaft 32 It is rotationally connected with the first A-frame 34 of time door 14, there is driving wheel 26 first rotation axis, driven wheel 28 to have second Pivot center, first rotation axis and second rotation axis are approximate horizontal, and are additionally provided with and are connected on the first A-frame 34 First installation axle 36 of driving member 30 and match spindle 38, the center of the first connecting shaft 32, the with guide frame 24 is coupled first The center of one installation axle 36 and the first center with spindle 38 define the first triangle.

Preferably, the first triangle is isosceles triangle or equilateral triangle.Certainly, the first triangle can not also be arranged At isosceles triangle or equilateral triangle.Specific in this preferred embodiment, the center of the first connecting shaft 32 to the first installation axle The distance between 36 center is equal to the distance between the center that spindle 38 is matched in the center of the first connecting shaft 32 to first.So make The movement for obtaining time door 14 is more steady.

Main door 10 also has a first side plate 40 with the angled setting of main door front panel 16, in this preferred embodiment, the Side panel 40 is perpendicular to main door front panel 16, can also be in certainly, between first side plate 40 and main door front panel 16 other Angle.Guide frame 24 includes the line channel for being set to the arc guide barrel 42 of first side plate 40 and being connected with arc guide barrel 42 44, the arc core of arc guide barrel 42 is located at the both sides of line channel 44 with time door 14 so that when secondary door 14 from closed state to During opening state converts, first is first coupled with arc guide barrel 42 with spindle 38, then from arc guide barrel 42 gradually to by In the moving process of nearly line channel 44, promote time door 14 on the direction for being approximately perpendicular to main door front panel 16 with before main door Certain interval is generated between plate 16, last first moves with spindle 38 relative to line channel 44, to pass through the first triangle branch Frame 34 drives time door 14 to move up, final to open opening 12.And work as the mistake that time door 14 is converted from opening state to closed state Cheng Zhong, first moves with spindle 38 relative to line channel 44, drives time door 14 to move down by the first A-frame 34, moves Move on the direction for being approximately perpendicular to main door front panel 16, secondary door 14 be completely covered opening 12 when, first with spindle 38 again with Arc guide barrel 42 is coupled, and then gradually into the moving process far from line channel 44, constantly driving time door 14 is to close to opening 12 direction movement, until secondary door 14 and the main door 10 fit, to close opening 12.

In addition, control module can control the opening size of opening 12 as needed, opening 12 can be opened completely, also can basis It needs to open certain size, can so not have to time time all complete opening opening 12, further prevent the loss of cold, to Reduce the energy consumption of refrigerator.

Further, the first installation axle 36 extends through line channel 44 and is connected with driving member 30.First installation axle 36 It is always positioned in line channel 44.It is of course also possible to which the vertical slot hole that first installation axle of confession 36 extends through in addition is arranged again （It is not shown）, which is not connected with arc guide barrel 42, and the vertical slot hole separately and is mutually parallel with line channel 44 Setting.

In this preferred embodiment, driving member 30 is set as steel wire rope, certainly, driving member 30 may be set to be belt or its Its structural member.

Auxiliary stopper mechanism is additionally provided between secondary door 14 and main door 10, to carry out auxiliary guiding to the movement of secondary door 14.Tool Body, auxiliary stopper mechanism include by the second connecting shaft 46 be rotatably connected at time door 14 the second A-frame 48, with The matched sliding slot of second A-frame 48, sliding slot include arc chute 50 and the straight that is connected with arc chute 50 52, second installation axle 54 and second matched with sliding slot matches spindle 56 on the second A-frame 48, when secondary door 14 is from closing shape During state is converted to opening state, second is first coupled with straight 52 with the mating of arc chute 50 again with spindle 56, the Two installation axles 54 are coupled with straight 52 always, and the center of the second connecting shaft 46, the center of the second installation axle 54 and second are matched The center of spindle 56 defines the second triangle.

Specifically, identical as guide frame 24, during secondary door 14 is converted from closed state to opening state, the and It is first coupled with arc chute 50 with spindle, it is auxiliary then from arc chute 50 gradually in the moving process of straight 52 It helps and time door 14 is promoted to generate certain interval between main door front panel 16 on the direction for being approximately perpendicular to main door front panel 16, most It second is moved afterwards relative to line channel 44 with spindle 56, to be driven by the second A-frame 48 and the first A-frame 34 Secondary door 14 moves up, final to open opening 12.And during time door 14 is converted from opening state to closed state, second It is moved relative to line channel 44 with spindle 56, time door 14 is driven downwards by the second A-frame 48 and the first A-frame 34 It is mobile, it is moved on the direction for being approximately perpendicular to main door front panel 16, when opening 12 is completely covered in secondary door 14, second matches spindle 56 are coupled with arc chute 50 again, then gradually into the moving process far from straight 52, constantly driving time door 14 to by The direction movement of nearly opening 12, until secondary door 14 and the main door 10 fit, to close opening 12.In addition, secondary door 14 exists In conversion process between opening state and closed state, the second installation axle 54 is coupled with straight 52 always.

Preferably, the second A-frame 48 is identical as the first A-frame 34, and arc chute 50 is identical as arc guide barrel 42, Straight 52 is identical as line channel 44.Further, straight 52 is located at line channel 44 on same vertical line, arc Shape sliding slot 50 and the arc core of arc guide barrel 42 are located on same vertical line.

To improve the moving stability of time door 14, drive mechanism 22 and guide frame 24 are disposed as two groups, and main door 10 has There are the first side plate 40 and the second side positioned at 16 left and right sides of main door front panel and with the angled setting of main door front panel 16 Panel 58, two groups of guide frames 24 are respectively arranged at first side plate 40 and second side plate 58.Two groups of drive mechanisms 22 are distinguished Neighbouring first side plate 40 and second side plate 58 are arranged.

Two groups of drive mechanisms 22 are driven by driving motor 20.Further, driving mechanism includes 60 He of first shaft coupling Second shaft coupling 62, two groups of drive mechanisms 22 are connected by first shaft coupling 60 and second shaft coupling 62 with driving motor 20 respectively It connects.First shaft coupling 60 and second shaft coupling 62 are located at the opposite sides of driving motor 20, and first shaft coupling 60 and second Axis device 62 is coaxially disposed.Two groups of drive mechanisms 22 are symmetrical arranged about driving motor 20.

Further, main door 10 has far from main door front panel 16 and the bottom 64 opposite with main door front panel 16, is set to Left side 66 between bottom 64 and main door front panel 16 and right side 68, main door front panel 16, bottom 64, left side 66 and the right side Side 68 defines opening 12, the setting of 20 adjacent bottom 64 of driving motor.

As shown in Fig. 5 to 14, the second preferred embodiment provided by the invention, the preferred embodiment and first preferred embodiment Identical to be, when secondary door 70 is converted from closed state to opening state, driving mechanism is first to drive time door 70 to keeping away from The direction movement of mouth 72, so that secondary door 70 has on the direction for being approximately perpendicular to main door front panel 74 between main door front panel 74 There is certain interval, then driving mechanism drives time door 70 to be indulged upward or downward along the direction for being roughly parallel to main door front panel 74 again To movement, to open opening 72.The preferred embodiment drives time drive of the movement of door 70 unlike first preferred embodiment Motivation structure is different.Different piece is described in detail below.

In the preferred embodiment, driving mechanism includes transversal driving mechanism 82 and longitudinal driving mechanism 84, laterally driven machine Structure 82 drives the transverse shifting on the direction for being approximately perpendicular to main door front panel 74 of time door 70, longitudinal driving mechanism 84 to drive time door 70 vertically move upward or downward along the direction for being roughly parallel to main door front panel 74.

Specifically, as shown in Figure 11 to 14, refrigerator further includes bar desk 76, and positioning is provided between bar desk 76 and secondary door 70 Structure, transversal driving mechanism 82 is by driving 76 transverse shifting of bar desk to drive time door 70 to move laterally together.It is of course also possible to Transversal driving mechanism 82 directly drives time 70 transverse shifting of door, without passing through bar desk 76.In this preferred embodiment, when 76 band of bar desk Dynamic door 70, which is moved on the direction for being approximately perpendicular to main door front panel 74 between main door front panel 74, has certain interval When, longitudinal driving mechanism 84 drives time door 70 to move up to open opening 72, with moving up for secondary door 70, secondary door 70 again Far from bar desk 76, secondary door moves longitudinally to opening state at this time, and bar desk is not dashed forward on the direction for being approximately perpendicular to main door front panel Go out time door.As shown in figure 14, in addition can be again started up transversal driving mechanism 82 as needed makes bar desk 76 be displaced outwardly again centainly Distance, at this time secondary door continue up and move laterally in the side for being approximately perpendicular to main door front panel still in opening state, bar desk Protrude from time door.Keep the area that it exposes larger, it is easy to use.

Further, location structure includes the card slot 78 being set on one of bar desk 76 and secondary door 70 and is set to The clamping portion 80 of bar desk 76 and the card slot 78 in time 70 other in which of door, card slot 78 is coupled with clamping portion 80, so that bar desk 76 drive time door 70 to move laterally together, and when time door 70 is moved on the direction for being approximately perpendicular to main door front panel 74 and master When having certain interval between panel 74 in front of the door, location structure allows time door 70 drivingly to be vertically moved.This preferred embodiment In, card slot 78 is set to time door 70, and 72 direction of opening of card slot 78 is generally downward, and bar desk 76 has supporting surface, clamping portion 80 Self-supporting extends upwardly.It is of course also possible to which card slot 78 is set to bar desk 76, clamping portion 80 is set to time door 70.In addition, When secondary door 70 is converted from closed state to opening state, transversal driving mechanism 82 first drives time door 70 along being approximately perpendicular to main door The direction of front panel 74 is moved to the direction far from opening 72, is moved on the direction for being approximately perpendicular to main door front panel 74, When there is certain interval between location structure and main door 71, transversal driving mechanism 82 is shut down, then starts longitudinal driving mechanism 84 To drive time door 70 to move up, card slot 78 is disengaged far from clamping portion 80 and with clamping portion 80 at this time, and in secondary door 70 to moving up In dynamic process, location structure will not interfere with main door 71.When converting secondary door 70 from opening state to closed state, indulge It is first opened to drive time door 70 to move down, is moved in the direction for being approximately perpendicular to main door front panel 74 to driving mechanism 84 When opening 72 is completely covered in last time door 70, and when card slot 78 and the mating of clamping portion 80, longitudinal driving mechanism 84 is closed, is opened laterally Driving mechanism 82, bar desk 76 drive time door 70 to be moved to close to the direction of opening 72, until secondary door 70 and main door 71 fit, this When completely close opening 72, shut down transversal driving mechanism 82.

Transversal driving mechanism 82 includes the cross motor 86 for being set to main door 71, the transverse gear 88 driven by cross motor 86 With the horizontal tooth bar 90 being meshed with transverse gear 88, horizontal tooth bar 90 is set to bar desk 76.Certainly, transversal driving mechanism 82 also may be used To be set as the other structures in addition to rack-and-pinion, such as feed screw nut.Specifically, transversal driving mechanism 82 includes cross motor 86, the leading screw and the matched nut of leading screw, wherein cross motor 86 driven by cross motor 86 is set to bar desk 76 and main door 71 On one of them, nut is set in 71 other in which of bar desk 76 and main door.

To improve the moving stability of bar desk 76 and time door 70, transverse gear 88 is set as two, and two transverse gears 88 respectively by shaft coupling by 86 Driven by Coaxial of cross motor, correspondingly, horizontal tooth bar 90 is also configured as two.

Further, the central axis of transverse gear 88 is approximate horizontal, and the centerline axis parallel of transverse gear 88 is in master Panel 74 in front of the door.So set, horizontal tooth bar 90 also extends substantially horizontally.

Longitudinal driving mechanism 84 includes longitudinal motor 92, is driven by longitudinal motor 92 longitudinal gear 94 and with longitudinal gear 94 longitudinal racks 96 being meshed, longitudinal rack 96 are set to time door 70, and when transversal driving mechanism 82 drives time door 70 laterally to move When dynamic, longitudinal motor 92 and longitudinal gear 94 are moved laterally together with secondary door 70, when longitudinal driving mechanism 84 drive secondary door 70 to When upper or longitudinal movement downwards, longitudinal motor 92 is with longitudinal gear 94 relative to main door 71 in the vertical direction without relative displacement. Certainly, longitudinal driving mechanism 84 may be set to be the other structures in addition to rack-and-pinion, such as feed screw nut.

Equally, main door 71 has far from main door front panel 74 and the bottom 98 opposite with main door front panel 74, is set to bottom Left side 100 between 98 and main door front panel 74 and right side 102, main door front panel 74, bottom 98, left side 100 and the right side Side 102 defines opening 72, the setting of 86 adjacent bottom 98 of cross motor, and longitudinal motor 92 is arranged adjacent to main door front panel 74.

Longitudinal gear 94 is set as two, and longitudinal rack 96 is also configured as two, and two longitudinal racks 96 are relative to secondary Door 70 is symmetrical arranged.Specifically, the two sides setting that neighbouring door 70 of two longitudinal racks 96 is opposite.Longitudinal gear 94 leads to respectively Shaft coupling is crossed to connect with longitudinal motor 92.

Further, the central axis of longitudinal gear 94 is approximate horizontal, and the centerline axis parallel of longitudinal gear 94 is in master Panel 74 in front of the door.So set, correspondingly, longitudinal rack 96 is vertically arranged, and longitudinal rack 96 is in face of 72 setting of opening.Laterally The central axis of gear 88 is roughly parallel to the central axis of longitudinal gear 94.

Refrigerator further includes the electric machine support 104 for installing longitudinal motor 92, is equipped between electric machine support 104 and main door 71 Position limiting structure, position limiting structure allows electric machine support 104 relative to 71 transverse shifting of main door, and position limiting structure limiting motor holder 104 vertically move upward or downward relative to main door 71.That is, when transversal driving mechanism 82 drives time 70 transverse shifting of door When, longitudinal motor 92, electric machine support 104 and secondary door 70 move laterally together.And when longitudinal driving mechanism 84 drive time door 70 to When above or moving down, longitudinal motor 92 and electric machine support 104 are fixed relative to main door 71.

Further, position-limit mechanism includes the groove 106 on one of electric machine support 104 and main door 71 and sets Protrusion 108 between motor and in 71 other in which of main door, groove 106 are matched with protrusion 108.Specific to the present embodiment In, groove 106 is set in main door 71, and protrusion 108 is set on electric machine support 104.It is of course also possible to which groove 106 is arranged In on electric machine support 104, protrusion 108 is set in main door 71.

As shown in Figure 15 to 23, third preferred embodiment provided by the invention, the preferred embodiment is preferably implemented with second Example is identical to be, refrigerator also includes transversal driving mechanism and longitudinal driving mechanism, equally, transversal driving mechanism driving time door 111 The transverse shifting on the direction for being approximately perpendicular to main door front panel 113, longitudinal driving mechanism driving time door 111 is along being roughly parallel to The direction of main door front panel 113 vertically moves upward or downward, and longitudinal driving mechanism includes longitudinal motor 114, by longitudinal motor Longitudinal gear 116 of 114 drivings and the longitudinal rack 118 being meshed with longitudinal gear 116, longitudinal rack 118 are set to time door 111, and when transversal driving mechanism drives time 111 transverse shifting of door, longitudinal motor 114 and longitudinal gear 116 and secondary door 111 1 Transverse shifting is played, when longitudinal driving mechanism drives time door 111 to vertically move upward or downward, longitudinal motor 114 and longitudinal tooth Wheel 116 is relative to main door 120 in the vertical direction without relative displacement.The embodiment is with second embodiment the difference is that transverse direction The detailed setting of driving mechanism and longitudinal driving mechanism is different, and in the preferred embodiment, and transversal driving mechanism directly drives secondary 111 transverse shiftings of door, not by driving bar desk to push time 111 transverse shifting of door.Detailed Jie is below for different piece It continues, different piece is no longer developed in details.

In this preferred embodiment, transversal driving mechanism includes set on the cross motor 122 of main door 120, by cross motor 122 The transverse gear 124 of driving and the horizontal tooth bar 126 being meshed with transverse gear 124, horizontal tooth bar 126 are connected to time door 111. Equally, transversal driving mechanism can also be arranged to the other structures in addition to rack-and-pinion, such as feed screw nut.Longitudinal driving mechanism It can also be arranged to the other structures in addition to rack-and-pinion, such as feed screw nut.

Specifically, refrigerator further includes mounting bracket 128, longitudinal motor 114 and horizontal tooth bar 126 are set to mounting bracket 128, mounting bracket 128 is connected to time door 111, and when cross motor 122 is activated, mounting bracket 128 drives time door 111 opposite In 120 transverse shifting of main door, when secondary door 111 is drivingly vertically moved upward or downward, mounting bracket 128 is relative to main door 120 is fixed, that is, secondary door 111 vertically moves upward or downward relative to mounting bracket 128.

Refrigerator further includes the guiding mechanism being oriented to mounting bracket 128, and guiding mechanism includes guide post 130 and and guide post 130 matched guide sleeves 132.Specifically, guide post 130 is set in mounting bracket 128, and guide post 130 is laterally moved along secondary door 111 Dynamic direction lengthwise extends, and refrigerator further includes the fixing piece 134 being fixedly installed in main door 120, cross motor 122 and guide sleeve 132 are set on fixing piece 134.

Specifically, guide post 130 and guide sleeve 132 are disposed as two.Certainly, guide post 130 and guide sleeve 132 can also be only arranged For one or other quantity.

In this preferred embodiment, the central axis upright of longitudinal gear 116 is in main door front panel 113.And transverse gear 124 Central axis it is roughly vertical.So set, horizontal tooth bar 126 is horizontally extending on the vertical side of installation part 136.

In addition, neighbouring 113 setting of main door front panel of cross motor 122 and longitudinal motor 114.Specifically, cross motor 122 are set on fixing piece 134, and longitudinal motor 114 is set to mounting bracket 128, and mounting bracket 128 is by guide post 130 and leads Set 132, horizontal tooth bar 126 and transverse gear 124 are movably coupled so that simple and compact for structure.

Further, refrigerator further includes the installation part 136 for being fixedly installed on time door 111, lengthwise along longitudinal direction on installation part 136 Extend and be equipped with pilot hole 138, longitudinal rack 118 is set to a side of pilot hole 138.

Refrigerator further includes relative to 126 fixed counterpart 140 of horizontal tooth bar, and counterpart 140 is lived with pilot hole 138 Dynamic mating, when secondary door 111 is drivingly vertically moved upward or downward, counterpart 140 is relative to the longitudinal shifting of installation part 136 It is dynamic.Counterpart 140 is coupled with pilot hole 138, is oriented to the longitudinal movement of secondary door 111.Specific in the present embodiment, it is coupled Part 140 and transverse gear 124 are fixedly installed on mounting bracket 128.

Longitudinal gear 116 and longitudinal rack 118 are disposed as two.Horizontal tooth bar 126 is set as one, and definition passes through secondary The center line of door 111 and be the first vertical plane perpendicular to the face of main door front panel 113, it is perpendicular that horizontal tooth bar 126 is located substantially at first It faces directly.

In addition, in the embodiment, the central axis upright of longitudinal gear 116 is in main door front panel 113.Transverse gear 124 Central axis it is roughly vertical.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiment of understanding.

The series of detailed descriptions listed above only for the present invention feasible embodiment specifically Bright, they are all without departing from equivalent implementations made by technical spirit of the present invention not to limit the scope of the invention Or change should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of refrigerator, the refrigerator includes babinet, opens or closes the main door of the babinet, the main door be equipped with opening and Secondary door, the secondary door have the opening state for opening the opening and close the closed state of the opening, which is characterized in that institute Stating main door has main door front panel, and the refrigerator further includes transversal driving mechanism and longitudinal driving mechanism, the laterally driven machine Structure drives secondary door transverse shifting on the direction for being approximately perpendicular to the main door front panel, the longitudinal driving mechanism driving The secondary door vertically moves upward or downward along the direction for being roughly parallel to the main door front panel, the transversal driving mechanism packet It includes set on the cross motor of the main door, the transverse gear driven by the cross motor and is meshed with the transverse gear Horizontal tooth bar, the horizontal tooth bar are connected to the secondary door.

2. refrigerator according to claim 1, which is characterized in that the refrigerator further includes mounting bracket, and the horizontal tooth bar is set to The mounting bracket, the mounting bracket are connected to the secondary door, when the cross motor is activated, the mounting bracket band The dynamic secondary door is described when the secondary door is drivingly vertically moved upward or downward relative to the main door transverse shifting Mounting bracket is fixed relative to the main door.

3. refrigerator according to claim 2, which is characterized in that the refrigerator further includes being led to what the mounting bracket was oriented to To mechanism, the guiding mechanism includes guide post and the guide sleeve matched with the guide post.

4. refrigerator according to claim 3, which is characterized in that the guide post is set in the mounting bracket, and the guide post Direction lengthwise along the secondary door transverse shifting extends, and the refrigerator further includes the fixing piece being fixedly installed in the main door, The cross motor and guide sleeve are set on the fixing piece.

5. refrigerator according to claim 4, which is characterized in that the guide pillars and bushes is disposed as two.

6. refrigerator according to claim 1, which is characterized in that longitudinal driving mechanism includes longitudinal motor, by the longitudinal motor Longitudinal gear of driving and the longitudinal rack being meshed with longitudinal gear, the longitudinal rack is set to the secondary door, and works as When the transversal driving mechanism drives the secondary door transverse shifting, the longitudinal motor and longitudinal gear are horizontal together with the secondary door To movement, when the longitudinal driving mechanism drives the secondary door to vertically move upward or downward, the longitudinal motor and longitudinal direction Gear is relative to the main door in the vertical direction without relative displacement.

7. refrigerator according to claim 6, which is characterized in that the central axis upright of the longitudinal direction gear is before the main door Plate.

8. refrigerator according to claim 7, which is characterized in that the central axis of the transverse gear is roughly vertical.

9. refrigerator according to claim 6, which is characterized in that the main door have far from the main door front panel and with the master The opposite bottom of panel, left side and right side between the bottom and main door front panel in front of the door, before the main door Plate, bottom, left side and right side define the opening, and the cross motor and longitudinal motor are before the main door Plate is arranged.

10. refrigerator according to claim 6, which is characterized in that the refrigerator further includes the installation for being fixedly installed on the secondary door Part, lengthwise extends and is equipped with pilot hole along longitudinal direction on the installation part, and the longitudinal rack is set to a side of the pilot hole.

11. refrigerator according to claim 10, which is characterized in that the refrigerator further includes being fixed not relative to the horizontal tooth bar Dynamic counterpart, the counterpart are coupled with the pilot hole activity, when the secondary door is moved by drivingly longitudinal upward or downward When dynamic, the counterpart is vertically moved relative to the installation part.

12. refrigerator according to claim 6, which is characterized in that the longitudinal direction gear and longitudinal rack are disposed as two.