CN212619628U - Vacuum drawer device and refrigeration equipment with same - Google Patents

Abstract

The utility model discloses a vacuum drawer device and refrigeration plant who has it, vacuum drawer device includes: a housing; the drawer is movably matched in the accommodating cavity and comprises a drawer main body and a buckle, the buckle is movably arranged on the drawer main body, and the drawer has a locking state and an unlocking state; the magnetic locking device comprises a magnetic part and a locking part, the magnetic part and the locking part are attracted to form a sealed space between the outer shell and the drawer when the drawer is in a locking state, and the drawer can move relative to the outer shell when the drawer is in an unlocking state; the drawer locking device comprises a pressure relief device, a position detection device and a controller, wherein a handle triggers the position detection device to send a locking signal when the drawer is closed in place, the controller controls the drawer to be switched to a locking state according to the received locking signal, and the controller controls the pressure relief device to relieve pressure when the handle is separated from the position detection device. According to the utility model discloses vacuum drawer device has convenient to use, advantage such as the evacuation is effectual.

Description

Vacuum drawer device and refrigeration equipment with same

Technical Field

The utility model relates to an electrical apparatus makes technical field, particularly, relates to a vacuum drawer device and has refrigeration plant of vacuum drawer device.

Background

In the refrigeration equipment in the related art, in order to prolong the preservation time of food materials, a vacuum preservation drawer is produced, namely the drawer with a vacuumizing environment is used for preserving the food materials. However, in the vacuum refreshing process of the vacuum drawer, the air pressure in the drawer is lower than the standard atmospheric pressure, and the locking and sealing requirements on the drawer are high, so that the structure of the vacuum drawer is complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a vacuum drawer device, this vacuum drawer device has advantages such as convenient to use, evacuation are effectual.

The utility model discloses still provide one kind and have the refrigeration plant of vacuum drawer device.

To achieve the above object, an embodiment according to a first aspect of the present invention provides a vacuum drawer device, including: a housing defining a receiving chamber having one side opened; the drawer is movably matched in the accommodating cavity and comprises a drawer main body and a buckle, the buckle is movably arranged on the drawer main body, and the drawer has a locking state and an unlocking state; the magnetic locking device comprises a magnetic part and a locking part, one of the magnetic part and the locking part is arranged on the shell, the other of the magnetic part and the locking part is arranged on the drawer, the magnetic part and the locking part attract each other to enable the shell and the drawer to form a sealed space when the drawer is in the locking state, and the drawer can move relative to the shell when the drawer is in the unlocking state; the drawer locking device comprises a pressure relief device, a position detection device and a controller, wherein the handle triggers the position detection device to send a locking signal when the drawer is closed in place, the controller controls the drawer to be switched to the locking state according to the received locking signal, and the controller controls the pressure relief device to relieve pressure when the handle is separated from the position detection device.

According to the utility model discloses vacuum drawer device has advantages such as convenient to use, evacuation are effectual.

In addition, the vacuum drawer device according to the above embodiment of the present invention may further have the following additional technical features:

according to an embodiment of the utility model, the magnetism spare with one of the lock parts is located hold the chamber with the inside wall that the opening is relative, the magnetism spare with another of the lock parts is located the lateral wall of drawer, just the magnetism spare with the lock part is just to arranging.

According to the utility model discloses an embodiment, the inside wall that holds the chamber is equipped with first mount pad, the lateral wall of drawer is equipped with the second mount pad, wherein, first mount pad is in lie in on the width direction of shell the middle part of the inside wall that holds the chamber, the second mount pad with first mount pad position corresponds, the magnetic part with in the locking part one is located first mount pad just another is located the second mount pad.

According to an embodiment of the present invention, the magnetic member is an electromagnet.

According to an embodiment of the present invention, the vacuum drawer device further comprises: the air extracting device is arranged on the shell or the drawer and is suitable for extracting air from the sealed space when the drawer is in the locking state, the controller is suitable for controlling the electromagnet to be electrified so that the drawer is switched to the locking state, and the air extracting device is controlled to extract air when the drawer is in the locking state.

According to an embodiment of the utility model, the controller is suitable for hold the chamber and control after reaching predetermined vacuum the electro-magnet outage, so that the drawer relies on the atmospheric pressure difference to maintain locking state.

According to the utility model discloses an embodiment, position detection device locates the shell the lateral wall at opening place.

According to the utility model discloses an embodiment, position detection device includes: a detection portion provided to the housing; the connecting rod is movably arranged on the shell, one end of the connecting rod is suitable for being abutted against the buckle, and the other end of the connecting rod is suitable for being abutted against the detection part; the first elastic piece is sleeved on the outer side of the connecting rod and drives the connecting rod to move towards the direction far away from the detection part.

According to an embodiment of the invention, the direction of movement of the connecting rod is the same as the direction of movement of the drawer.

According to the utility model discloses an embodiment, the drawer still includes the second elastic component, the drawer main part or the attacker has the erection column, the second elastic component cover is in the outside of erection column, the second elastic component is often driven the attacker resets.

According to an embodiment of the present invention, the detection portion is a micro switch.

According to an embodiment of the second aspect of the present invention a refrigeration device is presented, said refrigeration device comprising a vacuum drawer arrangement according to an embodiment of the first aspect of the present invention.

According to the utility model discloses refrigeration plant, through utilizing according to the utility model discloses an embodiment of first aspect the vacuum drawer device, vacuum drawer device has advantages such as convenient to use, evacuation are effectual.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a vacuum drawer device according to an embodiment of the present invention, wherein the drawer is in a locked state.

Fig. 2 is a schematic structural diagram of a vacuum drawer device according to an embodiment of the present invention, wherein the drawer is in an unlocked state.

Fig. 3 is a schematic structural diagram of a vacuum drawer device according to an embodiment of the present invention, wherein the drawer is in an unlocked state.

Fig. 4 is an enlarged view at D in fig. 3.

Fig. 5 is an exploded view of a vacuum drawer arrangement according to an embodiment of the present invention.

Fig. 6 is a partial cross-sectional view of a vacuum drawer arrangement according to an embodiment of the present invention.

Fig. 7 is a partially enlarged view of fig. 6.

Fig. 8 is a cross-sectional view of a vacuum drawer arrangement according to an embodiment of the present invention.

Fig. 9 is an enlarged view at E in fig. 8.

Reference numerals: the vacuum drawer device 1, the housing 100, the first mounting seat 110, the drawer 200, the second mounting seat 210, the drawer main body 220, the handle 230, the mounting post 231, the second elastic member 240, the magnetic locking device 300, the magnetic member 310, the locking member 320, the position detection device 400, the detection portion 410, the link 420, and the first elastic member 430.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A vacuum drawer device 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 9, a vacuum drawer device 1 according to an embodiment of the present invention includes a housing 100, a drawer 200, a magnetic locking device 300, a pressure relief device, a position detecting device 400, and a controller.

The housing 100 defines a receiving chamber having one side opened. The drawer 200 is movably fitted in the receiving cavity, the drawer 200 includes a drawer main body 220 and a handle 230, the handle 230 is movably disposed on the drawer main body 220, and the drawer 200 has a locked state and an unlocked state. The magnetic locking device 300 comprises a magnetic member 310 and a locking member 320, one of the magnetic member 310 and the locking member 320 is disposed on the casing 100, and the other is disposed on the drawer 200, when the drawer 200 is in a locked state, the magnetic member 310 and the locking member 320 attract each other to form a sealed space between the casing 100 and the drawer 200, and when the drawer 200 is in an unlocked state, the drawer 200 is movable relative to the casing 100. When the drawer 200 is closed in place, the handle 230 triggers the position detection device 400 to send a locking signal, the controller controls the drawer 200 to be switched to a locking state according to the received locking signal, and when the handle 230 is separated from the position detection device 400, the controller controls the pressure relief device to relieve pressure.

It should be understood that "vacuum drawer device 1" refers to a sealed space in the drawer device that can be vacuumized, that is, the sealed space in the drawer device can be kept in a vacuumized state by performing a vacuum process on the sealed space, so that the vacuum drawer device 1 has a vacuum storage capability.

According to the vacuum drawer device 1 of the embodiment of the present invention, the drawer 200 is drawably fitted in the housing 100 by providing the housing 100 and the drawer 200. Therefore, the user can take and place the articles by moving the drawer 200, and the operation convenience and comfort of the user are improved.

When the drawer 200 is in the locked state, the magnetic member 310 and the locking member 320 are attracted to each other, and a sealed space is formed between the housing 100 and the drawer 200. Therefore, the sealing effect of the sealed space is improved, the vacuum pumping operation of the sealed space is facilitated, the vacuum pumping storage performance of the vacuum drawer device 1 is realized, the functionality and the applicability of the vacuum drawer device 1 are improved, and the drawer 200 and the shell 100 can be reliably locked by attracting the magnetic part 310 and the locking part 320, so that the sealing effect between the drawer 200 and the shell 100 is improved, the sealed space can maintain a certain vacuum degree, and the vacuum pumping effect of the vacuum drawer device 1 is improved.

For example, the vacuum drawer device 1 is disposed in a refrigerator, when the drawer 200 is in a locked state, the drawer 200 and the housing 100 are locked by the magnetic member 310 and the locking member 320, so that the locking and sealing effects between the drawer 200 and the housing 100 can be improved, and a sealing space is formed in the vacuum drawer device 1, thereby facilitating the vacuum-pumping operation of the vacuum drawer device 1, stably maintaining the vacuum-pumping state of the vacuum drawer device 1, avoiding the air leakage phenomenon caused by unreliable locking between the drawer 200 and the housing 100, and facilitating the improvement of the vacuum preservation effect of the vacuum drawer device 1 on food materials.

In addition, through setting up magnetic locking device 300, compare the mode that sets up mechanical locking device, be convenient for simplify vacuum drawer device 1's structure, improve vacuum drawer device 1's structural flexibility, the manufacturing of the vacuum drawer device 1 of being convenient for improves user's convenience in utilization and travelling comfort.

In addition, by providing the position detecting device 400, when the user closes the drawer 200 by pushing the handle 230, the position detecting device 400 can be used to detect whether the drawer 200 is closed to the proper position, and the controller controls the magnetic locking device 300 to lock the drawer 200 after the drawer 200 is closed to the proper position, thereby improving the closing reliability of the vacuum drawer device 1. Then, when the user pulls the buckle 230, the position detection device 400 may be used to send a pressure relief signal, so that the controller controls the pressure relief device to relieve the pressure, thereby facilitating the drawer 200 to be changed from the locked state to the unlocked state, and allowing the user to smoothly open the drawer. This can improve the operational reliability and ease of use of the vacuum drawer device 1.

It should be understood that, in the state that the drawer 200 is closed in place, the handle 230 triggers the position detecting device 400 to send a locking signal, the controller controls the drawer 200 to switch to the locking state according to the received locking signal, and the controller cuts off the locking signal sent by the detecting device and controls the magnetic member 310 not to work after the receiving chamber reaches a predetermined vacuum degree, so that the drawer 200 is maintained in the locking state by means of air pressure difference. Then, when the user wants to open the drawer and pull the buckle 230, the buckle 230 is separated from the position detection device 400 in a state that the buckle 230 is separated from the position detection device 400, so that the position detection device 400 sends a pressure relief signal, and the controller controls the pressure relief device to relieve pressure. That is, after the receiving chamber reaches a predetermined vacuum degree, the locking signal transmitted from the position detecting device 400 will not enable the controller to control the operation of the magnetic member 310.

Therefore, according to the utility model discloses vacuum drawer device 1 has convenient to use, advantage such as the evacuation is effectual.

A vacuum drawer device 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 1-9, a vacuum drawer device 1 according to embodiments of the present invention includes a housing 100, a drawer 200, and a magnetic locking device 300.

In some embodiments, as shown in fig. 8, one of the magnetic member 310 and the locking member 320 is disposed on an inner side wall of the accommodating chamber opposite to the opening, the other of the magnetic member 310 and the locking member 320 is disposed on an outer side wall of the drawer 200, and the magnetic member 310 is disposed opposite to the locking member 320. Therefore, the installation of the magnetic locking device 300 is facilitated, the suction strength between the magnetic member 310 and the locking member 320 is improved, the reliable locking between the casing 100 and the drawer 200 is realized, and the magnetic locking device 300 can be hidden, so that the appearance of the vacuum drawer device 1 is more neat and beautiful.

Specifically, the magnetic member 310 is disposed on an inner side wall of the accommodating cavity opposite to the opening, the locking member 320 is disposed on an outer side wall of the drawer 200, and the magnetic member 310 and the locking member 320 are disposed opposite to each other.

Specifically, as shown in fig. 5, the inner sidewall of the accommodating chamber is provided with a first mounting seat 110, the outer sidewall of the drawer 200 is provided with a second mounting seat 210, wherein the first mounting seat 110 is located in the middle of the inner sidewall of the accommodating chamber in the width direction of the casing 100, the second mounting seat 210 corresponds to the first mounting seat 110 in position, one of the magnetic member 310 and the locking member 320 is provided on the first mounting seat 110, and the other is provided on the second mounting seat 210. Therefore, the installation and arrangement of the magnetic member 310 and the locking member 320 are facilitated, the structural stability of the magnetic member 310 and the locking member 320 is improved, and the assembly efficiency of the magnetic member 310 and the locking member 320 is improved. Meanwhile, the stress between the drawer 200 and the housing 100 can be more uniform, which further facilitates to improve the locking effect of the magnetic locking device 300.

Specifically, the inner side wall of the accommodating cavity is provided with a first mounting seat 110, the outer side wall of the drawer 200 is provided with a second mounting seat 210, the first mounting seat 110 is located in the middle of the inner side wall of the accommodating cavity in the width direction of the casing 100, the first mounting seat 110 is located in the middle of the inner side wall of the accommodating cavity in the height direction of the casing 100, the second mounting seat 210 corresponds to the first mounting seat 110 in position, and the magnetic part 310 is located on the first mounting seat 110 and the locking part 320 is located on the second mounting seat 210.

Optionally, the magnetic member 310 is an electromagnet. Thus, the electromagnetic control of the magnetic locking device 300 is facilitated, and the control convenience and the working reliability of the magnetic locking device 300 are improved.

Further, the locking member 320 is a permanent magnet or a ferromagnetic member. Therefore, the magnetic member 310 and the locking member 320 are attracted and locked with each other in the state that the electromagnet is powered.

In particular, the vacuum drawer arrangement 1 further comprises a suction device provided at the housing 100 or the drawer 200, the suction device being adapted to suction the sealed space when the drawer 200 is in the locked state. The controller is communicated with the electromagnet and the air extracting device, and is suitable for controlling the electromagnet to be electrified so as to switch the drawer 200 to a locking state and controlling the air extracting device to extract air when the drawer 200 is in the locking state. Therefore, the vacuum preservation function of the vacuum drawer device 1 is convenient to realize, the electromagnet and the air exhaust device are comprehensively controlled through the controller, and the vacuumizing effect and the working reliability of the vacuum drawer device 1 can be further improved.

Specifically, the vacuum drawer device 1 further includes an air extracting device provided to the housing 100, the air extracting device being adapted to extract air from the sealed space when the drawer 200 is in the locked state, and a controller. The controller is communicated with the electromagnet and the air extracting device, and is suitable for controlling the electromagnet to be electrified so as to switch the drawer 200 to a locking state and controlling the air extracting device to extract air when the drawer 200 is in the locking state.

More specifically, the controller is adapted to control the electromagnet to be de-energized after the receiving chamber reaches a predetermined vacuum degree, so that the drawer 200 is maintained in the locked state by means of the air pressure difference. Therefore, the power-on working time of the magnetic locking device 300 can be reduced, the use cost of the magnetic locking device 300 can be reduced, the service life of the magnetic locking device 300 can be prolonged conveniently, and the maintenance cost of the magnetic locking device 300 can be reduced.

It is to be understood here that the "predetermined vacuum" may be set as desired, for example, the predetermined vacuum may be 0.5 atmospheric pressure.

Specifically, the pressure relief device is disposed on the housing 100 or the drawer 200 and is in communication with a controller adapted to control the pressure relief device to relieve pressure. Before opening drawer 200 like this, the controller can control pressure relief device and carry out the pressure release to confined space, makes the pressure in the confined space resume atmospheric pressure to be convenient for take drawer 200 out smoothly and open, avoid taking place the problem that drawer 200 was difficult to open, improve user's simple operation nature and travelling comfort.

In particular, the pressure relief device may be an electromagnetic pressure relief device.

In some embodiments, as shown in fig. 4, the drawer 200 includes a drawer main body 220 and a handle 230, the handle 230 is movably disposed on the drawer main body 220, the vacuum drawer device 1 further includes a position detection device 400, when the drawer 200 is closed in place, the handle 230 triggers the position detection device 400 to send a locking signal, the controller controls the electromagnet to be powered on according to the received locking signal so as to switch the drawer 200 to the locking state, and when the handle 230 is disengaged from the position detection device 400, the controller controls the pressure relief device to relieve pressure. Thus, when the user closes the drawer 200 by pushing the handle 230, the position detection device 400 can be used to detect whether the drawer 200 is closed to the proper position, and the controller controls the electromagnet to be electrified to lock the drawer 200 after the drawer 200 is closed to the proper position, thereby improving the closing reliability of the vacuum drawer device 1. Then, when the user pulls the buckle 230, the position detection device 400 may be used to send a pressure relief signal, so that the controller controls the pressure relief device to relieve the pressure, thereby facilitating the drawer 200 to be changed from the locked state to the unlocked state, and allowing the user to smoothly open the drawer. This can improve the operational reliability and ease of use of the vacuum drawer device 1.

It should be understood that, in the state that the drawer 200 is closed in place, the handle 230 triggers the position detecting device 400 to send a locking signal, the controller controls the electromagnet to be energized according to the received locking signal so as to switch the drawer 200 to the locking state, and the controller cuts off the locking signal sent by the detecting device and controls the electromagnet to be de-energized after the receiving chamber reaches a predetermined vacuum degree, so that the drawer 200 is maintained in the locking state by means of air pressure difference. Then, when the user wants to open the drawer 200 in the locked state, the user may pull the handle 230, and in a state where the handle 230 is separated from the position detection device 400, so that the position detection device 400 sends a pressure relief signal, and the controller controls the pressure relief device to relieve pressure. That is, after the receiving chamber reaches a predetermined vacuum level, the lock signal sent by the position detecting device 400 will not enable the controller to control the electromagnet to be energized.

Further, as shown in fig. 3, the position detecting device 400 is provided at an outer sidewall of the housing 100 where the opening is located. Therefore, the installation and the arrangement of the position detection device 400 are convenient, the position detection device 400 is convenient to maintain and replace, the position detection device 400 is convenient to detect the working state of the drawer 200, and the detection sensitivity and the detection accuracy of the position detection device 400 are improved.

Specifically, as shown in fig. 4, the position detecting device 400 includes a detecting portion 410, a link 420, and a first elastic member 430, and the detecting portion 410 is provided to the housing 100. The link 420 is movably disposed on the housing 100, and one end of the link 420 is adapted to abut against the buckle 230 and the other end thereof is adapted to abut against the detecting portion 410. The first elastic member 430 is sleeved outside the link 420, and the first elastic member 430 always drives the link 420 to move away from the detecting part 410. Thus, when the drawer 200 is closed, the user pushes the handle 230 to drive the link 420 to stop against the detection portion 410, so as to trigger the detection portion 410 to send out a locking signal, before the drawer 200 is opened, the user pulls the handle 230 to separate the handle 230 from the link 420, the link 420 is driven by the first elastic member 430 to separate from the detection portion 410, so as to enable the detection portion 410 to send out a pressure relief signal.

More specifically, the moving direction of the link 420 is the same as that of the drawer 200. In the operation process of drawing the drawer 200 by the user, the position detection device 400 can detect the working state of the drawer 200, so that the detection efficiency of the position detection device 400 is improved, and the operation convenience and comfort of the user are further improved.

Optionally, as shown in fig. 7, the drawer 200 further includes a second elastic member 240, the drawer main body 220 or the handle 230 has a mounting post 231, the second elastic member 240 is sleeved outside the mounting post 231, and the second elastic member 240 drives the handle 230 to return. This is convenient for the installation setting of second elastic component 240, can utilize erection column 231 to fix a position and guide the removal of second elastic component 240, makes behind the user pulling attacker 230 can be fast smoothly reset by oneself to subsequent operation and use are convenient for.

Specifically, the mounting post 231 is disposed on the buckle 230, and the drawer main body 220 is disposed with a mounting hole adapted to the mounting post 231.

Alternatively, the detection portion 410 is a microswitch. Thus, the microswitch can be used to detect whether the drawer 200 is closed in place, and before the user opens the drawer 200, the microswitch can send out a pressure relief signal through the operation of the user pulling the handle 230.

According to an embodiment of the present invention, the vacuum drawer device 1 comprises a housing 100, a drawer 200 and a magnetic locking device 300. The housing 100 defines a receiving chamber having one side opened. The drawer 200 is movably fitted in the receiving cavity, and the drawer 200 has a locked state and an unlocked state. The magnetic locking device 300 comprises a magnetic member 310 and a locking member 320, one of the magnetic member 310 and the locking member 320 is disposed on the casing 100, and the other is disposed on the drawer 200, when the drawer 200 is in a locked state, the magnetic member 310 and the locking member 320 attract each other to form a sealed space between the casing 100 and the drawer 200, and when the drawer 200 is in an unlocked state, the drawer 200 is movable relative to the casing 100.

The magnetic member 310 is disposed on the inner side wall of the accommodating cavity opposite to the opening, the locking member 320 is disposed on the outer side wall of the drawer 200, and the magnetic member 310 and the locking member 320 are arranged opposite to each other. The inside wall that holds the chamber is equipped with first mount pad 110, the lateral wall of drawer 200 is equipped with second mount pad 210, first mount pad 110 is located the middle part that holds the inside wall in chamber on the width direction of shell 100, and first mount pad 110 is located the middle part that holds the inside wall in chamber on the direction of height of shell 100, second mount pad 210 corresponds with first mount pad 110 position, first mount pad 110 is located to magnetic part 310 and second mount pad 210 is located to locking piece 320.

The magnetic member 310 is an electromagnet and the locking member 320 is a permanent magnet or a ferromagnetic member. The vacuum drawer arrangement 1 further comprises an air extraction means provided in the housing 100 and adapted to extract air from the sealed space when the drawer 200 is in the locked state, and a controller. The controller is communicated with the electromagnet and the air extracting device, and is suitable for controlling the electromagnet to be electrified so as to switch the drawer 200 to a locking state and controlling the air extracting device to extract air when the drawer 200 is in the locking state. The controller is adapted to control the electromagnet to be de-energized after the receiving chamber reaches a predetermined vacuum degree, so that the drawer 200 is maintained in a locked state by means of a difference in air pressure.

The vacuum drawer device 1 further comprises a pressure relief device, the pressure relief device is arranged on the housing 100 or the drawer 200 and is in communication with the controller, and the controller is adapted to control the pressure relief device to relieve pressure. The pressure relief device may be an electromagnetic pressure relief device.

The drawer 200 comprises a drawer main body 220 and a buckle 230, the buckle 230 is movably arranged on the drawer main body 220, the vacuum drawer device 1 further comprises a position detection device 400, when the drawer 200 is closed in place, the buckle 230 triggers the position detection device 400 to send a locking signal, the controller controls the electromagnet to be electrified according to the received locking signal so as to enable the drawer 200 to be switched to a locking state, and when the buckle 230 is separated from the position detection device 400, the controller controls the pressure relief device to relieve pressure.

The position detecting device 400 is provided at an outer sidewall of the housing 100 where the opening is formed. The position detecting device 400 includes a detecting portion 410, a link 420, and a first elastic member 430, and the detecting portion 410 is provided to the casing 100. The link 420 is movably disposed on the housing 100, and one end of the link 420 is adapted to abut against the buckle 230 and the other end thereof is adapted to abut against the detecting portion 410. The first elastic member 430 is sleeved outside the link 420, and the first elastic member 430 always drives the link 420 to move away from the detecting part 410. The link 420 moves in the same direction as the drawer 200.

The drawer 200 further includes a second elastic member 240, the buckle 230 has a mounting post 231, the second elastic member 240 is sleeved on the outer side of the mounting post 231, and the second elastic member 240 drives the buckle 230 to return. The detection unit 410 is a microswitch.

A refrigeration apparatus according to an embodiment of the present invention is described below. According to the utility model discloses refrigeration plant includes according to the utility model discloses the vacuum drawer device 1 of above-mentioned embodiment.

According to the utility model discloses refrigeration plant, through utilizing according to the utility model discloses the vacuum drawer device 1 of above-mentioned embodiment, vacuum drawer device 1 has advantages such as convenient to use, evacuation are effectual.

Other constructions and operations of the refrigerating apparatus according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A vacuum drawer arrangement, comprising:

a housing defining a receiving chamber having one side opened;

the drawer is movably matched in the accommodating cavity and comprises a drawer main body and a buckle, the buckle is movably arranged on the drawer main body, and the drawer has a locking state and an unlocking state;

the magnetic locking device comprises a magnetic part and a locking part, one of the magnetic part and the locking part is arranged on the shell, the other of the magnetic part and the locking part is arranged on the drawer, the magnetic part and the locking part attract each other to enable the shell and the drawer to form a sealed space when the drawer is in the locking state, and the drawer can move relative to the shell when the drawer is in the unlocking state;

the drawer locking device comprises a pressure relief device, a position detection device and a controller, wherein the handle triggers the position detection device to send a locking signal when the drawer is closed in place, the controller controls the drawer to be switched to the locking state according to the received locking signal, and the controller controls the pressure relief device to relieve pressure when the handle is separated from the position detection device.

2. The vacuum drawer arrangement of claim 1, wherein the one of the magnetic member and the locking member is disposed on an inner sidewall of the receiving cavity opposite the opening, and the other of the magnetic member and the locking member is disposed on an outer sidewall of the drawer, and the magnetic member is disposed opposite the locking member.

3. The vacuum drawer arrangement according to claim 2, wherein the inner side wall of the receiving chamber is provided with a first mounting seat, the outer side wall of the drawer is provided with a second mounting seat,

the first installation seat is located in the middle of the inner side wall of the accommodating cavity in the width direction of the shell, the second installation seat corresponds to the first installation seat in position, and one of the magnetic piece and the locking piece is arranged on the first installation seat while the other is arranged on the second installation seat.

4. The vacuum drawer arrangement according to any of claims 1 to 3, wherein the magnetic member is an electromagnet.

5. The vacuum drawer apparatus of claim 4, further comprising:

the air extracting device is arranged on the shell or the drawer and is suitable for extracting air from the sealed space when the drawer is in the locking state, the controller is suitable for controlling the electromagnet to be electrified so that the drawer is switched to the locking state, and the air extracting device is controlled to extract air when the drawer is in the locking state.

6. The vacuum drawer arrangement of claim 5, wherein the controller is adapted to de-energize the electromagnet after the receiving cavity reaches a predetermined vacuum level to maintain the drawer in the locked state by virtue of a difference in air pressure.

7. The vacuum drawer arrangement of claim 1, wherein the position detection device is provided on an exterior sidewall of the housing where the opening is located.

8. The vacuum drawer arrangement of claim 1, wherein the position detection arrangement comprises:

a detection portion provided to the housing;

the connecting rod is movably arranged on the shell, one end of the connecting rod is suitable for being abutted against the buckle, and the other end of the connecting rod is suitable for being abutted against the detection part;

the first elastic piece is sleeved on the outer side of the connecting rod and drives the connecting rod to move towards the direction far away from the detection part.

9. The vacuum drawer arrangement of claim 8, wherein the direction of movement of the linkage is the same as the direction of movement of the drawer.

10. The vacuum drawer device according to claim 1, wherein the drawer further comprises a second elastic member, the drawer body or the handle has a mounting post, the second elastic member is sleeved outside the mounting post, and the second elastic member drives the handle to return.

11. The vacuum drawer arrangement of claim 8, wherein the detection portion is a micro switch.

12. Refrigeration appliance, characterized in that it comprises a vacuum drawer arrangement according to any of claims 1 to 11.

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