CN106979644B

CN106979644B - Refrigerating device and its drawer appliance

Info

Publication number: CN106979644B
Application number: CN201710175555.3A
Authority: CN
Inventors: 王晶; 张�浩; 朱小兵; 刘昀曦
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2019-10-01
Anticipated expiration: 2037-03-22
Also published as: CN106979644A

Abstract

The present invention relates to refrigerating device and its drawer appliances.Drawer appliance includes cylinder, drawer and two slide track components, and slide track component includes the outer rail for being fixed on inner barrel；It is set to the internal rail for being supported by it and being fixed on drawer on outer rail with can slide back and forth；It pivots lock and is pivotably disposed in inner barrel rear wall, lower end extends upward preceding latch and rear latch；Holding part setting has card hole in internal rail rear end, and slide track component is configured to when drawer is in close state, latch insertion card hole before making, and by drawer lock in cylinder, pivots lock at this time and is in first position；When being pulled along drawer, lock is pivoted from first position and is switched to the second position, latch is detached from card hole before making；When pushing drawer backward again, latch after holding part pusher makes to pivot latch pivot to first position so that preceding latch enters card hole；When elastic element is configured to pivot between pivot lock first position and the second position, it can apply the moment of resistance to pivoting to latch.

Description

Refrigerating device and its drawer appliance

Technical field

The present invention relates to refrigerating plants, more particularly to a kind of refrigerating device and its drawer appliance.

Background technique

The drawer of refrigerating device can be generally arranged in a cylinder with pushing and pulling.With the fresh-keeping demand to food It improves, needs after drawer is pushed completely into cylinder, make to form good sealing between the front panel of drawer and the opening of cylinder, The opening for exactly needing that front panel is made to be close to cylinder.

For this purpose, existing refrigerating device is provided with complicated mechanically or electrically magnetic retaining mechanism, to lock drawer and cylinder Body, but existing retaining mechanism perhaps structure is complicated not easy to manufacture perhaps cumbersome not easy to control or higher cost.

Summary of the invention

One object of the present invention is intended to overcome at least one defect of the prior art, provides a kind of novel drawer group Part, the locking mechanism between drawer and cylinder is simple and novel, and the operation of drawer is opened or closed convenient for user.

The further object of the present invention is by the oxygen discharge in drawer air, to obtain rich nitrogen oxygen deprivation with benefit In the atmosphere of food fresh-keeping.

Another object of the present invention is to provide for a kind of refrigerating device with above-mentioned drawer appliance.

On the one hand, the present invention provides a kind of drawer appliances for refrigerating device comprising the open cylinder in front side Body, the drawer that can be inserted into front and back push-and-pull cylinder and two are separately positioned on the slide track component of inner barrel transverse ends, often A slide track component includes:

Outer rail extends ground along the longitudinal direction and is fixed on inner barrel；

Internal rail is set to be supported by it on outer rail, and is fixed on drawer in which can slide back and forth；

Lock is pivoted, the inner back wall of cylinder can be pivotally installed in around a transverse axis, before lower end extends upward Latch and rear latch；

Holding part, setting have the card hole through its upper and lower surface in internal rail rear end, and slide track component is configured to: being taken out When drawer is in close state, latch insertion card hole before making pivots lock at this time and is in first by drawer lock in cylinder It sets；When pulling drawer further along, lock being pivoted from first position and is switched to the second position, latch moves upwards disengaging card before making Hole, to release the locking of drawer；When pushing drawer backward again, latch after holding part pusher makes to pivot latch pivot to first It sets so that preceding latch enters card hole；With

Elastic element is configured to pivoting lock and be switched to the second position from first position or be switched to the from the second position During one position, pivot is latched and applies the moment of resistance.

Optionally, elastic element is the torsional spring that axis extends along the transverse direction of drawer, and both ends are hingedly connected to pivot The upper end of lock and cylinder, and be configured to: when pivoting the critical localisation that lock is between first position and the second position, Torsional spring is set to pass through the pivotal point for pivoting lock to the position for the thrust for pivoting lock；It is in first position pivoting lock and faces When between boundary position, torsional spring is located in front of the pivotal point for pivoting lock the thrust line for pivoting lock；And it is latched pivoting When between critical localisation and the second position, after torsional spring is located at the pivotal point for pivoting lock to the thrust line for pivoting lock Side.

Optionally, slide track component further includes mounting base, is removably installed in the inner back wall of cylinder, pivots lock peace In mounting base；And the L-type supporting plate that front and back extends is fixedly installed in internal rail, to support the bottom margin of drawer upwards, Holding part is fixed on the rear end of L-type supporting plate.

Optionally, it is provided with a striking face in mounting base, is located at the rear of rear latch, and is configured to latch in pivot When being switched to first position from the second position, rear latch accelerating impact striking face generates strike note, has prompted user's drawer It completes to close.

Optionally, each slide track component further include: acceleration component is configured to move back in internal rail and touches acceleration component Afterwards, acceleration component driving internal rail acceleration is moved back.

Optionally, acceleration component includes: be set to outer rail sliding block with can slide back and forth, is provided with abdicating through hole； Spring connects outer rail and sliding block, to apply elastic force backward to sliding block；Movable link block is arranged between outer rail and sliding block, Lateral side has positioning column, and positioning column is pierced by through abdicating through hole, and the lateral other side has positioning protrusion；And the rear end tool of internal rail There is opening forward, and inclined guide groove, outer rail have the sliding slot of front and back extension, the front roof of sliding slot gradually downward from back to front It is concavely formed bayonet upwards, when the rear end of internal rail is located in front of sliding block, positioning protrusion is stuck in bayonet, and spring applies to sliding block Elastic pre-stress backward；During internal rail moves back, positioning column is moved down by wall guided on guide groove, to enter guide groove, so that fixed Position protrusion is detached from bayonet and enters sliding slot, makes sliding block accelerate to move back under the action of elastic pre-stress, and push positioning column backward Duct bottom, and then internal rail acceleration is driven to move back；During internal rail Forward, the bottom wall of guide groove pushes forward positioning column, with band Movable slider moves forward at bayonet, moves up positioning column in the case where the bottom wall of guide groove pushes so that positioning protrusion enters bayonet, internal rail after It is continuous to move forward so that positioning column is detached from guide groove.

Optionally, the roof of cylinder has the hollow-out parts for allowing air-flow to pass in and out；And drawer appliance further include: housing, Cylinder outside and the roof for being installed on cylinder, housing seal closure buckle hollow-out parts and limit a receiving jointly with the roof with cylinder Chamber；Controlled atmosphere membrane module is arranged in accommodating chamber, has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and be configured to So that the oxygen in accommodating chamber is more penetrated controlled atmosphere film compared to nitrogen and enter oxygen rich gas collecting chamber, so that inner barrel constitutes richness The controlled atmosphere space of nitrogen oxygen deprivation.

Optionally, drawer appliance further include: blower is arranged in accommodating chamber and is located at the lateral side of controlled atmosphere membrane module, So that the gas in controlled atmosphere space flows into blower through hollow-out parts side, controlled atmosphere membrane module is blowed to by blower, then another from hollow-out parts Controlled atmosphere space is flowed back in side.

Optionally, have gap to allow air-flow to pass through between the top and housing of controlled atmosphere membrane module；And the inner wall of housing With two wind-guiding floors for being separated by setting, two wind-guiding floors are configured to limit one jointly with the roof of housing and cylinder Air-guiding aisle, and the both ends of air-guiding aisle are respectively facing the air outlet and controlled atmosphere membrane module of blower.

Optionally, controlled atmosphere membrane module further includes braced frame, has the first surface and second surface being parallel to each other, and It is formed in braced frame and extends on the first surface respectively, extends on a second surface, and through braced frame to be connected to Oxygen rich gas collecting chamber is collectively formed in multiple airflow channels of first surface and second surface, multiple airflow channels；And at least one A controlled atmosphere film is two planar shaped controlled atmosphere films, is laid in the first surface and second surface of braced frame respectively.

On the other hand, the present invention also provides a kind of refrigerating devices comprising drawer group described in any of the above item Part.

Optionally, refrigerating device further includes air extractor.Air extractor via pipeline and drawer appliance controlled atmosphere film The connection of component oxygen rich gas collecting chamber, the gas penetrated in oxygen rich gas collecting chamber is pumped to outside drawer appliance.

Optionally, refrigerating device further include: drawer positions detection device is configured to be driven fully into cylinder in drawer Afterwards, drawer shutdown signal is generated；And controller, it is electrically connected, is configured to drawer positions detection device, blower and air extractor After receiving drawer shutdown signal, start blower and drawer；When not receiving drawer shutdown signal, blower and pumping are closed Drawer device.

Refrigerating device of the invention and its drawer appliance pivot lock and holding part energy during drawer push-and-pull Enough automatic locking and unlocking drawers, it is convenient for users.Also, it pivots lock and is switched to first position (i.e. from the second position Close drawer) during, elastic element can apply the moment of resistance to pivoting to latch, i.e., active force backward is applied to holding part, So that drawer is closely adjacent to cylinder front openings, makes more securely to lock and seal between drawer and cylinder.Pivot lock During being switched to the second position (i.e. opening drawer) from first position, elastic element can apply the moment of resistance to pivoting to latch, Buffering is formed with the closing process to drawer, it is avoided to directly impinge cylinder.

Further, refrigerating device and its drawer appliance of the invention pivot the rear card of lock when drawer is closed Tooth can accelerating impact mounting base striking face generate strike note, user's drawer can be prompted to have completed to close, so improved User experience.

Further, refrigerating device and its drawer appliance of the invention, by setting acceleration component draw internal rail and Drawer acceleration moves back, and enables drawer automatically lock, enforces drawer without user, facilitates the operation for closing drawer.

Further, refrigerating device and its drawer appliance of the invention can make controlled atmosphere because having controlled atmosphere membrane module Rich nitrogen oxygen deprivation is formed in fresh-keeping space in favor of the atmosphere of food fresh-keeping, the atmosphere is by reducing fruits and vegetables shelf space The content of interior oxygen, reduces the intensity of fruit/vegetable aerobic breathing, while guaranteeing the respiration on basis, prevents fruits and vegetables from carrying out anaerobic and exhales It inhales, to achieve the purpose that fruits and vegetables long-period freshness preserving.Blower can be improved the mobility of the air-flow in controlled atmosphere space, accelerate gas Body enters the speed of oxygen rich gas collecting chamber.

Further, in drawer appliance of the invention, the receiving that cylinder roof and housing limit is arranged in controlled atmosphere membrane module In chamber, do not interfere with the normal storing of drawer, prevented also from drawer and drawer food it is mobile when damaged in collision controlled atmosphere Membrane module.

Further, drawer appliance of the invention is not only of good preservation effect, but also to the rigidity of drawer and cylinder etc., intensity It is required that it is lower, realize that requirement is very low, then cost is also very low.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.

Detailed description of the invention

Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:

Fig. 1 is the schematic diagram of drawer appliance according to an embodiment of the invention；

Fig. 2 is the structural schematic diagram of the slide track component in drawer appliance shown in Fig. 1；

Fig. 3 is the decomposition diagram of slide track component；

Fig. 4 is the structural schematic diagram of movable link block；

Fig. 5 is that slide track component is pivoting status diagram of the lock in first position when；

Fig. 6 is that slide track component is pivoting status diagram of the lock in the second position when；

Fig. 7 is status diagram of the slide track component when internal rail is in front of acceleration component；

Fig. 8 is the schematic diagram after hiding the sliding block of Fig. 7；

Fig. 9 is status diagram of the slide track component after positioning column enters guide groove；

Figure 10 is the schematic diagram after hiding the sliding block of Fig. 9 and internal rail；

Figure 11 is schematic diagram of the slide track component when being in the lock state；

Figure 12 is the structural schematic diagram of drawer appliance according to another embodiment of the present invention；

Figure 13 is the decomposition diagram of drawer appliance shown in Figure 12；

Figure 14 is the bottom substance schematic diagram of housing in drawer appliance shown in Figure 13；

Figure 15 is the decomposition diagram of controlled atmosphere membrane module in drawer appliance shown in Figure 14；

Figure 16 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；

Figure 17 is the schematic diagram at another visual angle of refrigerating device shown in Figure 16；

Figure 18 is the structural schematic diagram of the cylinder in drawer appliance shown in Figure 12.

Specific embodiment

Fig. 1 is the schematic diagram of drawer appliance according to an embodiment of the invention；Fig. 2 is in drawer appliance shown in Fig. 1 The structural schematic diagram of slide track component.As depicted in figs. 1 and 2, the embodiment of the invention provides one kind to be used for refrigerating device (such as Refrigerator) drawer appliance 200, drawer appliance 200 include the open cylinder 10 in front side, can front and back push-and-pull ground insertion cylinder 10 pumping Drawer 20 and two are separately positioned on the slide track component of 10 inner transverse both ends of cylinder (the laterally i.e. left and right directions of drawer 20). Each slide track component includes internal rail 90 and outer rail 80.Wherein, outer rail 80 is fixed on inside cylinder 10 with extending along the longitudinal direction, example Such as it is arranged in the lateral sidewalls of cylinder 10.Internal rail 90 is set on outer rail 80 to be supported by it in which can slide back and forth, and directly Or it is fixed on drawer 20 indirectly.For example, the lateral side of internal rail 90 is fixedly installed the L-type supporting plate 91 that front and back extends, so as to Support the bottom margin of drawer 20 upwards using L-type supporting plate 91.For drawer 20 during front and back pushes and pulls, internal rail 90 is in outer rail 80 On slide back and forth.

Fig. 3 is the decomposition diagram of slide track component；Fig. 4 is the structural schematic diagram of movable link block；Fig. 5 is that slide track component exists Pivot status diagram of the lock in first position when；Fig. 6 is that slide track component is pivoting shape of the lock in the second position when State schematic diagram.Shown in Fig. 3 to Fig. 6, each slide track component may also include pivot lock 53, holding part 51 and elastic element.Its In, the inner back wall that lock 53 can be pivotally arranged at cylinder 10 around a transverse axis is pivoted, before lower end extends downwardly out Latch 535 and rear latch 536, preceding latch 535 are located at the front of rear latch 536.Rear end (the tool of internal rail 90 is arranged in holding part 51 Body may be provided at the rear end of L-type supporting plate 91), there is the card hole 512 through its upper and lower surface.

When drawer 20 is in close state, as shown in figure 5, preceding latch 535 is inserted into card hole 512 from the top of card hole 512, Drawer 20 is locked in cylinder 10, lock 53 is pivoted at this time and is in first position.

When pivoting lock 53 in first position shown in fig. 5, it is pulled along drawer 20, pivots lock 53 from first It sets and is switched to the second position, i.e., be switched to Fig. 6 state clockwise from Fig. 5 state, the movement of 535 forward downward of latch is detached from card before making Hole 512, to release the locking of drawer 20.In the process, elastic element applies the moment of resistance to lock 53 is pivoted, and keeps user necessary 20 can just be pulled the drawer out by overcoming the moment of resistance, keep the locking between drawer 20 and cylinder 10 more firm.

It when pivoting lock 53 in the second position shown in fig. 6, pushes close drawer 20 backward, holding part 51 will be touched first It contacts rear latch 536 (position of holding part 51 is higher than rear latch 536 at this time, and the position of preceding latch 535 is higher than holding part 51), makes Pivot lock and 53 be switched to first position, i.e., be switched to Fig. 5 state counterclockwise from Fig. 6 state, before making latch 535 move down with It is inserted into card hole 512 above card hole 512, returns to first position, drawer 20 is locked in cylinder 10.In the process, elasticity member Part applies the moment of resistance to lock 53 is pivoted, and applies certain buffering to moving back for drawer 20, the user experience is improved.

In embodiments of the present invention, during drawer 20 pushes and pulls, slide track component can automatic locking and unlocking drawer, it is convenient User use.

In some embodiments, as shown in Figures 3 to 6, elastic element can extend for axis along the transverse direction of drawer 20 Torsional spring 85, the both ends of torsional spring steel bar be hingedly connected to pivot lock 53 upper end (so that the hinge joint be located at pivot lock 53 The top of pivotal axis 531) and cylinder 10 (being directly or indirectly articulated with cylinder 10).Pivot lock 53 in first position with When a critical localisation between the second position, the positions of 55 couples of the torsional spring thrust F for pivoting lock 53, which pass through, pivots lock 53 Pivotal point, in this state, the thrust of torsional spring 55 is zero to the arm of force for pivoting lock 53, will not make to pivot 53 rotation of lock.

When pivoting lock 53 between first position and critical localisation, such as Fig. 5,55 pairs of torsional spring pivot lock 53 The position of (downwards) thrust F is located in front of the pivotal point for pivoting lock 53.

Pivot lock 53 between critical localisation and the second position when, such as Fig. 4,55 pairs of torsional spring pivot lock 53 to Under) position of thrust F is located at the pivotal point rear for pivoting lock 53.

In this way, pivoting lock 53 in 20 opening procedure of drawer and rotating clockwise, torsional spring 55 first applies pivot lock 53 The moment of resistance for making it have the trend of rotating counterclockwise, pulls the drawer out to user and manufactures resistance, turns over critical potential when pivoting lock 53 It postpones, torsional spring 55 changes to its torque direction, and pivot lock 53 is made to accelerate to be switched to the second position shown in fig. 6.

It in 20 closing process of drawer, pivots lock 53 and rotates counterclockwise, torsional spring 55, which first applies pivot lock 53, makes it The moment of resistance with the trend that rotates clockwise applies buffering to the closing of drawer 20, after pivot lock 53 turns over critical localisation, Torsional spring 55 changes to its torque direction, and pivot lock 53 is made to accelerate to be switched to first position shown in fig. 5.According to inventor Experimental verification, by 55 pairs of torsional spring pivot lock 53 apply power be set in 20 ± 5N, can be used family push-and-pull drawer 20 when feel most It is good.

In some embodiments, slide track component further includes mounting base 52, after being removably installed in the inside of cylinder 10 Wall pivots lock 53 and is mounted in mounting base 52.Holding part 51 is securable to the rear end of L-type supporting plate.

In some embodiments, as shown in Figure 5 to Figure 6, it may be provided with a striking face 522 in mounting base 52, be located at The rear of latch 536 afterwards.Lock 53 is pivoted during being switched to first position from the second position, first position will be reached When (be already expired critical localisation at this time, the driving of torsional spring 55 pivots lock 53 and accelerates to pivot), rear 536 accelerating impact of the latch striking face 522 generate strike note, and user's drawer is prompted to complete to close.When pivoting lock 53 in first position, striking face 522 can Just the surface of rear latch 536 is fitted in parallel, suitably to increase surface area, reduces pressure, and shock for a long time is avoided to damage.

In some embodiments, each slide track component further includes acceleration component.Acceleration component can be configured to after 90s in internal rail After moving and touching acceleration component, move back the acceleration component driving acceleration of internal rail 90, to block after making 51 accelerating impact of holding part Tooth 536 makes pivot lock 53 that the moment of resistance of elastic element be overcome to rotate, realizes the automatic locking of drawer 20, exert oneself without user Drawer 20 is pushed backward.

Fig. 7 is status diagram of the slide track component when internal rail is in front of acceleration component；Fig. 8 is that the sliding block of Fig. 7 is hidden Schematic diagram behind hiding；Fig. 9 is status diagram of the slide track component after positioning column enters guide groove；Figure 10 be by the sliding block of Fig. 9 and Schematic diagram after internal rail is hiding；Figure 11 is schematic diagram of the slide track component when being in the lock state.Come below by Fig. 7 to Figure 11 Introduce a kind of preferred constructive form of acceleration component.

As shown in Fig. 3, Fig. 4, Fig. 7 and Fig. 8, acceleration component includes that sliding block 70, spring 81 (spring 81 is hidden in Fig. 5) can Dynamic link block 73.Sliding block 70 is set to outer rail 80 (lateral side) in which can slide back and forth, and it is (horizontal to be provided with abdicating through hole 72 To perforation sliding block 70).Spring 81 connects outer rail 80 and sliding block 70, to apply elastic force backward to 70 sliding blocks.The quantity of spring 81 Preferably two, the upper and lower ends of sliding block 70 are separately connected, so that sliding block 70 is more uniformly stressed.Movable link block 73 is arranged Between outer rail 80 and sliding block 70, lateral side has positioning column 733, and positioning column 733 is pierced by through abdicating through hole 72, laterally another Side has positioning protrusion 732 (strip that can extend for front and back).The rear end of internal rail 90 have opening forward, and from back to front by The guide groove 924 (one dismountable abaculus 90 can be set at internal rail end after 90s, offer guide groove 924 thereon) gradually tilted down, The sliding slot 82 that there is outer rail 80 front and back to extend, the front roof of sliding slot 82 are concavely formed bayonet 822 upwards.

The closing process of drawer is described below:

As shown in Figure 7 and Figure 8, it when the rear end of internal rail 90 is located at 70 front of sliding block, that is, is drawn forward in drawer 20 In the state of out, positioning protrusion 732 is stuck in bayonet 822 and can not move back, and spring 81 applies elasticity backward in advance to sliding block 70 Clamp force.

As shown in Figures 9 to 11, during closing drawer 20, internal rail shifting after 90s, positioning column 733 will be by guide groove 924 Upper wall guided moves down (such as Figure 10) to enter guide groove 924, so that positioning protrusion 732 is detached from bayonet 822 and enters sliding slot 82.Elastic pre- Under the action of clamp force, sliding block 70 moves back acceleration, and positioning column 733 is made to push the bottom wall (positioning protrusion 732 of guide groove 924 backward In guide groove 924, it move up and down movable link block 73 can not, positioning column 733 enable to be adjacent to the bottom of guide groove 924 always Wall), and then the acceleration of internal rail 90 is driven to move back, and then make holding part 51 can latch 536 after accelerating impact, latch 535 is automatic before making It is quickly caught in the card hole 512 of holding part 51, is in close state drawer 20.

The opening procedure of drawer is described below:

The opening procedure of drawer 20 is opposite with the closing process of aforementioned drawer 20.When user is pulled along drawer 20, internal rail The 90 drive Forwards of holding part 51 drive pivot lock 53 to be clockwise to the second position shown in Fig. 6, and latch 535 is detached from card before making Hole 512.Internal rail 90 continues to move forward, when positioning protrusion 732 encounters the front end of sliding slot 82, before movable link block 73 can not continue It moves, the bottom wall of guide groove 924 pushes forward positioning column 733, is moved forward at bayonet 822 with band movable slider 70, because of the bottom wall of guide groove 924 For the inclined-plane that inclination extends, so that it is pushed up positioning column 733 in Forward, positioning protrusion 732 is made to be upwardly into bayonet 822, Internal rail 90 continues to move forward so that positioning column 733 is detached from guide groove 82, and drawer 20 is able to continue to move forward smooth opening, accesses convenient for user Article.

Figure 12 is the structural schematic diagram of drawer appliance according to another embodiment of the present invention；Figure 13 is drawer group shown in Figure 12 The decomposition diagram of part；Figure 14 is the bottom substance schematic diagram of housing in drawer appliance shown in Figure 12.

In some embodiments, as shown in Figure 12 to Figure 14, drawer appliance 200 further includes housing 15 and controlled atmosphere membrane module 30 and blower 40.Wherein, cylinder 10 defines the open controlled atmosphere space 202 in front side, and its roof has one to allow gas The hollow-out parts 13 in controlled atmosphere space 202 are flowed into or out, hollow-out parts 13 may include multiple densely arranged through-holes.The front of drawer 20 The front openings of end cap and cylinder 10 cooperate, and to open or close controlled atmosphere space 202, make 202 phase of controlled atmosphere space To closing.Housing 15 is installed on the roof (referring to external roof, similarly hereinafter) of cylinder 10, cover in the outside of cylinder 10 10 seal closure of shell buckles hollow-out parts 13 and limits an accommodating chamber 11 jointly with the roof with cylinder 10, so that hollow-out parts 13 are only connected to gas Adjust fresh-keeping space 202 and accommodating chamber 11.Controlled atmosphere membrane module 30 is arranged in accommodating chamber 11, has at least one controlled atmosphere film and one Oxygen rich gas collecting chamber.Controlled atmosphere membrane module 30 can be in plate on the whole, and preferred levels are set in accommodating chamber 11, to save Its space occupied.

Controlled atmosphere membrane module 30 may be arranged so that the oxygen in accommodating chamber 11 relative to the nitrogen in accommodating chamber 11 more Enter oxygen rich gas collecting chamber through controlled atmosphere film.Specifically, the inside of each controlled atmosphere film is towards oxygen rich gas collecting chamber, outside court Oxygen to accommodating chamber 11, when the pressure of oxygen rich gas collecting chamber is less than the pressure of accommodating chamber 11, in the air of accommodating chamber 11 Enter oxygen rich gas collecting chamber through controlled atmosphere film.Since accommodating chamber 11 is connected to controlled atmosphere space 202, to make controlled atmosphere Partial oxidation in space 202 in air is moved out, and can obtain rich nitrogen oxygen deprivation in controlled atmosphere space 202 in favor of food Fresh-keeping atmosphere.

Blower 40 is arranged in accommodating chamber 11 and (laterally refers to right and left positioned at the lateral side of controlled atmosphere membrane module 30 To be marked in figure), such as blower 40 is arranged in the left side of controlled atmosphere membrane module 30 shown in Figure 13, it may also be arranged on certainly Right side.Side (in figure be left side) of the gas in controlled atmosphere space 202 through hollow-out parts 13 can be so set to flow into blower 40, by wind The acceleration of machine 40 blows to controlled atmosphere membrane module 30, then flows back to controlled atmosphere space 202 from 13 other side of hollow-out parts, in this way, making controlled atmosphere The gas in fresh-keeping space 202 is constantly cyclically received by around controlled atmosphere membrane module 30, enhancing the oxygen of controlled atmosphere membrane module 30 Collect effect.In addition, being tested through inventor, the lateral side that controlled atmosphere membrane module 30 is arranged in blower 40 is compared and is arranged on front side of it Rear side can obtain the oxygen collecting effect of higher efficiency.

In the embodiment of the present invention, drawer appliance 200 when in use, will penetrate oxygen-enriched using air extractor (such as vacuum pump) The intracavitary gas extraction of gas collection, so that the pressure in oxygen rich gas collecting chamber is less than the pressure in accommodating chamber 11, i.e., in richness Subnormal ambient is manufactured in carrier of oxygen collecting chamber, is entered wherein convenient for the air around absorbing.After most of oxygen is extracted, controlled atmosphere Gas main component in fresh-keeping space 202 is nitrogen and part of oxygen, can reduce the intensity of fruit/vegetable aerobic breathing, simultaneously The respiration for guaranteeing basis prevents fruits and vegetables from carrying out anaerobic respiration, to achieve the purpose that fruits and vegetables long-period freshness preserving.Moreover, the gas Body atmosphere also has the gases such as a large amount of nitrogen, will not also reduce article in accommodation space by cold efficiency, fruits and vegetables etc. can be made to have Effect is stored.

For convenient for connecting with air extractor, the gas in oxygen rich gas collecting chamber is extracted out, controlled atmosphere membrane module 30 is also needed Escape pipe 33 including being connected to oxygen rich gas collecting chamber.Escape pipe 33 may be provided at controlled atmosphere membrane module 30 up and down or top Any position.But tested through inventor, the lateral ends of the separate blower 40 of controlled atmosphere membrane module 30 are arranged in escape pipe 33 (i.e. being arranged shown in Figure 14 in right end), keeping controlled atmosphere film outer gas stream direction consistent with internal gas flow direction (is to flow from left to right It is dynamic), the oxygen collecting effect of desirable higher efficiency.

In some embodiments, as shown in figure 14, blower 40 is preferably to enter the wind direction perpendicular to the centrifugation wind of air-out direction Machine.The air inlet 41 of blower 40 is downward to be connected to controlled atmosphere space 202 through hollow-out parts 13, and air outlet 42 is towards controlled atmosphere film Component 30.Air outlet 42 blow-through controlled atmosphere membrane module 30 of the wind from blower 40 can so be made, reduce the loss of wind path deflecting bring.

After controlled atmosphere membrane module 30 is installed on accommodating chamber 11, preferably make that there is gap between its top and housing 15 to permit Perhaps air-flow passes through, to increase the incoming air area of controlled atmosphere membrane module 40.Certainly, the bottom wall of the bottom of controlled atmosphere membrane module 30 and cylinder 10 Between may also set up gap.Specifically, in some embodiments of the invention, in controlled atmosphere membrane module 30 upside controlled atmosphere film 31 The distance of top surface apart from accommodating chamber 11 is 8mm to 20mm.The controlled atmosphere film 31 of downside is apart from accommodating chamber in controlled atmosphere membrane module 30 The distance of 11 bottom surface is 8mm to 20mm.Also, it is located at the bottom wall of the cylinder 10 of the following location directly of controlled atmosphere membrane module 30 It is preferred that offering hollow hole.

In some embodiments, as shown in figure 14, controlled atmosphere membrane module 30 and blower 40 can be made to be removably installed in cover The mode for being threadedly coupled or snapping connection specifically can be used in shell 15, and details are not described herein.So can to avoid volume relatively The complicated connection structure of big 10 roof of cylinder setting, increases manufacture difficulty.It is separated by addition, the inner wall of housing 15 can also had Two wind-guiding floors 151 being arranged.Two wind-guiding floors 151 are configured to limit jointly with the roof of housing 15 and cylinder 10 One air-guiding aisle 152, and the both ends of air-guiding aisle 152 are respectively facing the air outlet 42 and controlled atmosphere membrane module 30 of blower 40.So Wind can more be guided into controlled atmosphere membrane module 30.

In addition, also top cover 16 can be arranged in the top of housing 15, housing 15 is pressed on cylinder 10 using top cover 16.Cover The also settable sealing ring 17 in the junction of shell 15 and cylinder 10, to play the role of sealing vibration damping.

In some embodiments, as shown in figure 13, drawer appliance 200 further includes bactericidal lamp 60, and the setting of bactericidal lamp 60 is being held Chamber 11 of receiving is interior to sterilize to gas.Specifically it can be made to be installed on the roof of cylinder 10, and be located at controlled atmosphere membrane module 30 Near.Bactericidal lamp 60 can adopt the common bactericidal lamp of the prior art, and details are not described herein.

Figure 15 is the decomposition diagram of controlled atmosphere membrane module in drawer appliance shown in Figure 13.In some embodiments of the present invention In, as shown in figure 15, controlled atmosphere membrane module 30 can be in plate, which may also include braced frame 32.Controlled atmosphere film 31 be preferably oxygen permeable membrane, can be two, be installed on the two sides of braced frame 32, so that two controlled atmosphere films 31 and braced frame 32 are total It is same to surround oxygen rich gas collecting chamber.Further, braced frame 32 may include frame, the floor that is set in frame and/or flat The structures such as plate between floor, can form airflow channel between floor and plate etc., on the surface of floor, on the surface of plate Can open up it is fluted, to form airflow channel.The structural strength etc. of controlled atmosphere membrane module 30 can be improved in floor and/or plate.Support Frame 32 has the first surface and second surface being parallel to each other, and is formed in braced frame 32 and prolongs on the first surface respectively It stretches, extend on a second surface, and be connected to multiple airflow channels of first surface and second surface through braced frame 32, Oxygen rich gas collecting chamber is collectively formed in multiple airflow channels；At least one controlled atmosphere film 31 is two planar shaped controlled atmosphere films, is spread respectively It is located in the first surface and second surface of braced frame 32.

In some embodiments of the invention, braced frame 32 includes the outlet being connected to at least one aforementioned airflow channel Pipe 33, is set on frame, to allow the oxygen in oxygen rich gas collecting chamber to be exported.Escape pipe 33 and air extractor 400 connect It is logical.Specifically, it on the long edge of the settable frame of escape pipe 33, or is set in the short edge of frame, according to controlled atmosphere film group The setting orientation or actual design demand of part 30 are determined, such as Figure 14, and escape pipe 33 may be disposed on the long edge of frame. Controlled atmosphere film 31 first passes through double-sided adhesive 34 and is installed on frame, is then sealed by sealant 35.

In some embodiments, at least one the aforementioned airflow channel formed inside braced frame 32 can be one or more A cavity being connected to escape pipe 33.In some embodiments, at least one the aforementioned air-flow formed inside braced frame 32 is logical Road can have network.Specifically, braced frame 32 can include: frame, multiple first floors and multiple second floors. Aforesaid plurality of first floor is longitudinally spaced inside frame to be arranged and extends transversely, and the side of aforesaid plurality of first floor Surface forms first surface.Multiple second floors are on the laterally spaced setting in another side surface of aforesaid plurality of first floor and edge It is longitudinal to extend, and the side surface far from the first floor of aforesaid plurality of second floor forms second surface.Support of the invention Frame 32 inside its frame by being arranged multiple first floors that are longitudinally spaced and extending transversely and aforesaid plurality of One side surface of one floor is laterally spaced and multiple second floors for extending longitudinally, on the one hand ensure that airflow channel Continuity, on the other hand greatly reduce the volume of braced frame 32, and significantly enhance the intensity of braced frame 32. In addition, the above structure of braced frame 32 ensure that controlled atmosphere film 31 can obtain enough supports, even if collecting in oxygen rich gas Preferable flatness can be also remained in the biggish situation of chamber internal negative pressure, and ensure that controlled atmosphere membrane module 30 uses the longevity Life.

In a further embodiment, aforesaid plurality of first floor can include: multiple first narrow rib plates and multiple first wide Floor.Plurality of first wide floor interval is arranged, and multiple first narrow rib plates are arranged between two neighboring first wide floor.It is aforementioned Multiple second floors can include: multiple second narrow rib plates and multiple second wide floors, the multiple second wide floor interval settings are adjacent Multiple second narrow rib plates are set between two the second wide floors.It should be readily apparent to one skilled in the art that " width " " narrow " herein is In contrast.

In some embodiments, each first wide floor is recessed inwardly from the side surface that it forms first surface to be formed First groove；Each second wide floor is recessed inwardly to form second groove from the side surface that it forms second surface, thus Under the premise of the thickness very little (volume very little in other words) for guaranteeing braced frame 32, the connection of its inner mesh structure is improved Property.

In a further embodiment, the part of the surface away from first surface of each first wide floor is prolonged towards the second floor It extends to concordant with second surface, and is recessed inwardly to form third groove from the part of the surface concordant with second surface；Third ditch Slot is connected to the position that second groove is intersected to form crisscross grooves.At least one second wide rib in aforesaid plurality of second wide floor The part of the surface away from second surface of plate extends to concordant with first surface and certainly concordant with first surface towards the first floor The part of the surface is recessed inwardly to form the 4th groove；Wherein the 4th groove is connected to the position that first groove is intersected to form cross Groove.

In some embodiments of the invention, for the ease of the flowing of air-flow, the inner surface of housing 15 can be extended downwardly out Multiple wind-guiding floors, to guide the air-flow from blower 40 to flow through each controlled atmosphere film 31 of controlled atmosphere membrane module 30 in accommodating chamber 11 Away from the outer surface of oxygen rich gas collecting chamber.Multiple wind-guiding floors can be divided into two groups, including first group of wind-guiding floor and first Group wind-guiding floor is about the symmetrically arranged second group of wind-guiding floor of a plane.Every group of wind-guiding floor include the first wind-guiding floor, At least one second wind-guiding floor and at least one third wind-guiding floor.First wind-guiding floor from the air outlet of centrifugal blower to The side of accommodating chamber extends, and extends to a lateral outer side of controlled atmosphere membrane module 30.Each second wind-guiding floor is set to two Between a first wind-guiding floor, and between controlled atmosphere membrane module 30 and centrifugal blower.Each third wind-guiding floor is located at controlled atmosphere One lateral outer side of membrane module 30, to guide air-flow that air-flow is made to enter controlled atmosphere membrane module from the both lateral sides of controlled atmosphere membrane module 30 Gap between 30 and the bottom surface or top surface of accommodating chamber.

In some embodiments of the invention, multiple micropores can be offered on cylinder 10, accommodation space can be via multiple micro- It is connected on the outside of hole and accommodation space.Micropore is also referred to as air equalizer opening.Each micropore can be millimetre-sized micropore, such as often The diameter of a micropore is 0.1mm to 3mm, preferably 1mm, 1.5mm etc..Multiple micropores, which are arranged, can make pressure in accommodation space not As for too low, the setting of multiple micropores will not make to flow out outside the nitrogen in accommodation space, though flowing be also very little even It is negligible, it will not influence the preservation of food in accommodation space.In some alternative embodiments of the invention, on cylinder 10 It can also be not provided with micropore, even if user is pulling the drawer out 20 in this way, also there are the gases such as a large amount of nitrogen to exist in accommodation space When, it then can be significantly laborsaving compared to existing vacuum storing room without too sweat.

Figure 16 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；Figure 17 is Figure 16 The schematic diagram at another visual angle of shown refrigerating device.As shown in Figure 16 and Figure 17, the embodiment of the invention provides A kind of refrigerating device may include the drawer appliance 200 in any of the above-described embodiment.Further, refrigerating fills In setting, drawer appliance 200 further includes above-mentioned housing 15,30 blower 40 of controlled atmosphere membrane module and air extractor 400.Air extractor 400 are connected to via pipeline 500 with the oxygen rich gas collecting chamber of the controlled atmosphere membrane module 30 of drawer appliance 200, will penetrate oxygen rich air Gas in body collecting chamber is pumped to outside drawer appliance 200, and the pressure of oxygen rich gas collecting chamber is made to be less than drawer appliance 200 The pressure of accommodating chamber 11.

In some embodiments, refrigerating device may also include cabinet 100, door body and refrigeration system.Limit in cabinet 100 Surely there are storage space 110 and compressor bin 140.The cylinder 10 of drawer appliance 200 is set in storage space 110.Specifically, cylinder Body 10 may be disposed at the lower part of storage space 110.Certainly, as one skilled in the art will recognize that, cylinder 10 may also set up In the middle part or top of storage space 110.Door body can be made of two clamshell doors, be pivotally mounted to cabinet 100, be configured to Open or close the storage space 110 of the restriction of cabinet 100.Optionally, door body can also only one door.Refrigeration system can be for by pressing The cooling cycle system of the compositions such as contracting machine, condenser, throttling set and evaporator.Compressor is installed on compressor bin 140.Evaporation Device is configured to directly or indirectly provide cooling capacity into storage space 110.Further, storage space 110 and accommodation space warp By multiple microporous connectivities.

In some embodiments of the invention, storage space 110 is refrigerating chamber, and storage temperature is generally at 2 DEG C to 10 DEG C Between, it is preferably 3 DEG C to 8 DEG C.Further, cabinet 100 can also limit freezing chamber 120 and temperature-changing chamber 130, freezing chamber 120 It is set to the lower section of storage space 110, temperature-changing chamber 130 is set between freezing chamber 120 and refrigerating chamber.Temperature in freezing chamber 120 Range is spent generally at -14 DEG C to -22 DEG C.Temperature-changing chamber 130 can be adjusted according to demand, to store suitable food.Compressor Storehouse 140 is preferably provided at the back lower place of freezing chamber 120.In some alternative embodiments of the invention, storage space 110 Can be freezing chamber 120 or temperature-changing chamber 130, that is to say, that the temperature range of storage space 110 can be controlled in -14 DEG C to -22 DEG C or It is adjusted according to demand.Further, the relative position of refrigerating chamber, freezing chamber and temperature-changing chamber can be adjusted according to demand.

In some embodiments of the invention, air extractor 400 is set in compressor bin 140, can make full use of compression 140 space of cabin, does not occupy elsewhere additionally, therefore not will increase the additional volumes of refrigerating device, can make to refrigerate cold Freeze the compact-sized of device.Compressor bin extends along the transverse direction of cabinet, and air extractor 400 may be disposed at compressor bin 140 Lateral one end.Compressor may be disposed at the lateral other end of compressor bin 140, so that 400 Range compress machine of air extractor Apart from distant, the superposition of reduction noise and waste heat superposition.In other embodiments of the invention, air extractor 400 closes on pressure The setting of contracting machine, air extractor 400 are set to 140 one end of compressor bin, and the side wall in compressor and compressor bin 140 it Between.

Further, air extractor 400 may include aspiration pump, mounting base and seal box.Mounting base can be by multiple Shock absorption footpad is installed on the bottom surface of compressor bin 140.Seal box is installed on mounting base.Aspiration pump is installed in seal box.It takes out When air pump is run, seal box can largely obstruct noise and/or waste heat is propagated outward.Multiple shock absorption footpads (can be rubber Glue material matter) it can further promote damping noise reduction effect.Seal box is internally provided with an installation frame, installation frame and seal box Inner wall connected by multiple vibration damping cushion blocks, aspiration pump is fixed on inside installation frame, when being so evacuated pump operation to mitigate Vibration and noise.Specifically, there are two vibration damping cushion block, vibration damping cushion block is set in seal box bottom surface for the bottom setting of installation frame On positioning column.One opposite sides of installation frame is each provided with a circular vibration damping cushion block, and it is corresponding to be arranged in seal box In the card slot of side wall.An other opposite sides for installation frame is each to fix a vibration damping cushion block.Aspiration pump can be in seal box Each vibration damping cushion block between, and installation frame is anchored on by screw.

In some embodiments, refrigerating device further includes drawer positions detection device and controller.Drawer positions inspection It surveys device to be configured to after drawer 20 is driven fully into cylinder 10, generates drawer shutdown signal.Controller and drawer positions detect Device, blower 40 and air extractor 400 are electrically connected, and are configured to after receiving drawer shutdown signal, and blower 40 and drawer are started Device 400 works normally drawer appliance 200.When not receiving drawer shutdown signal, i.e., drawer 20 it is in the open state or When the state that do not close tight, blower 40 and drawer 400 are closed, the unlatching of blower 40 and drawer 400 at this time is avoided to bring Meaningless energy consumption.

Figure 18 is the structural schematic diagram of the cylinder in drawer appliance shown in Figure 12.As shown in figure 18, drawer positions can be made to examine It surveys device 18 to be arranged on the rear wall of cylinder 10, protrudes into its detecting part 181 in cylinder 10 by the aperture 19 of 10 rear wall of cylinder Portion.After drawer 20 is driven fully into cylinder 10, the rear end of drawer 20 touches detecting part 181, makes drawer positions detection device 18 generate drawer shutdown signal.

Drawer positions detection device can switch for circuitry mechanical, and detecting part 181 can be spring leaf.Alternatively, drawer positions are examined The calutron or sensor of preset signals can be generated for common other of the prior art after being touched by surveying device.

So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims

1. a kind of drawer appliance for refrigerating device, it is characterised in that including the open cylinder in front side, can front and back push-and-pull The slide track component that ground is inserted into the drawer of the cylinder and two are separately positioned on the inner barrel transverse ends, Mei Gesuo Stating slide track component includes:

Outer rail extends ground along the longitudinal direction and is fixed on the inner barrel；

Internal rail is set on the outer rail to be supported by it in which can slide back and forth, and is fixed on the drawer；

Lock is pivoted, the inner back wall of the cylinder can be pivotally installed in around a transverse axis, before lower end extends upward Latch and rear latch；

Holding part, setting have the card hole through its upper and lower surface in the internal rail rear end, and the slide track component is configured to: When the drawer is in close state, the preceding latch is made to be inserted into the card hole, by the drawer lock in the cylinder, The pivot lock is in first position at this time；When pulling the drawer further along, the pivot is latched from the first position It is switched to the second position, the preceding latch is moved upwards and is detached from the card hole, to release the locking of the drawer；Again to pusher When moving the drawer, rear latch, makes the pivot latch pivot to the first position so that institute described in the holding part pusher Latch enters the card hole before stating；With

Elastic element, is configured to latch in the pivot and is switched to the second position from the first position or from described second During position is switched to the first position, the pivot is latched and applies the moment of resistance.

2. drawer appliance according to claim 1, which is characterized in that

The elastic element is the torsional spring that axis extends along the transverse direction of the drawer, and both ends are hingedly connected to the pivot The upper end of lock and the cylinder, and be configured to:

In the critical localisation for pivoting and latching and being between the first position and the second position, make the torsional spring The pivotal point for pivoting lock is passed through to the position of the thrust for pivoting lock；

When pivot lock is between the first position and the critical localisation, the torsional spring latches the pivot Thrust line be located at it is described pivot lock pivotal point in front of；And

When pivot lock is between the critical localisation and the second position, the torsional spring latches the pivot Thrust line be located at it is described pivot lock pivotal point rear.

3. drawer appliance according to claim 2, which is characterized in that

The slide track component further includes mounting base, is removably installed in the inner back wall of the cylinder, the pivot lock It is mounted in the mounting base；And

The L-type supporting plate that front and back extends is fixedly installed in the internal rail, it is described to support the bottom margin of the drawer upwards Holding part is fixed on the rear end of L-type supporting plate.

4. drawer appliance according to claim 3, which is characterized in that

It is provided with a striking face in the mounting base, is located at the rear of the rear latch, and is configured to latch in the pivot When being switched to the first position from the second position, striking face described in the rear latch accelerating impact generates strike note, Drawer described in prompt user has been completed to close.

5. drawer appliance according to claim 1, it is characterised in that each slide track component further include:

Acceleration component is configured to after the internal rail moves back and touches the acceleration component, makes acceleration component driving institute Internal rail acceleration is stated to move back.

6. drawer appliance according to claim 5, it is characterised in that the acceleration component includes:

It is set to the sliding block of the outer rail with can slide back and forth, is provided with abdicating through hole；

Spring connects the outer rail and the sliding block, to apply elastic force backward to the sliding block；

Movable link block is arranged between the outer rail and the sliding block, and lateral side has positioning column, the positioning column warp The abdicating through hole is pierced by, and the lateral other side has positioning protrusion；And

The rear end of the internal rail has opening forward, and inclined guide groove, the outer rail have front and back gradually downward from back to front The front roof of the sliding slot of extension, the sliding slot is concavely formed bayonet upwards,

When the rear end of the internal rail is located in front of the sliding block, the positioning protrusion is stuck in the bayonet, the spring to The sliding block applies elastic pre-stress backward；

During the internal rail moves back, the positioning column is moved down by wall guided on the guide groove, to enter the guide groove, so that The positioning protrusion is detached from the bayonet and enters the sliding slot, after accelerating the sliding block under the action of elastic pre-stress It moves, and the positioning column is made to push the duct bottom backward, and then the internal rail acceleration is driven to move back；

During internal rail Forward, the bottom wall of the guide groove pushes forward the positioning column, to drive the sliding block to move forward At to the bayonet, move up the positioning column in the case where the bottom wall of the guide groove pushes, so that described in positioning protrusion entrance Bayonet, the internal rail continues to move forward so that the positioning column is detached from the guide groove.

7. drawer appliance according to any one of claim 1 to 6, which is characterized in that

The roof of the cylinder has the hollow-out parts for allowing air-flow to pass in and out；And the drawer appliance further include:

Housing outside the cylinder and is installed on the roof of the cylinder, the housing seal closure buckle the hollow-out parts with The roof of the cylinder limits an accommodating chamber jointly；

Controlled atmosphere membrane module is arranged in the accommodating chamber, has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and match Being set to makes the oxygen in the accommodating chamber more enter the oxygen rich gas collecting chamber through the controlled atmosphere film compared to nitrogen, with The inner barrel is set to constitute the controlled atmosphere space of rich nitrogen oxygen deprivation.

8. drawer appliance according to claim 7, it is characterised in that further include:

Blower is arranged in the accommodating chamber and is located at the lateral side of the controlled atmosphere membrane module, so that the controlled atmosphere is empty Between gas flow into the blower through the hollow-out parts side, the controlled atmosphere membrane module is blowed to by the blower, then engrave from described The controlled atmosphere space is flowed back in the empty portion other side.

9. drawer appliance according to claim 7, which is characterized in that

The controlled atmosphere membrane module further includes braced frame, has the first surface and second surface being parallel to each other, and the branch It is formed on support frame frame and extends on the first surface respectively, extends on the second surface, and run through the support For frame to be connected to multiple airflow channels of the first surface and second surface, the richness is collectively formed in the multiple airflow channel Carrier of oxygen collecting chamber；And

The quantity of at least one controlled atmosphere film is two, and two controlled atmosphere films are planar shaped controlled atmosphere film, are laid on respectively In the first surface and second surface of the braced frame.

10. a kind of refrigerating device, it is characterised in that including drawer appliance according to any one of claim 1 to 9.