CN110749156A

CN110749156A - Vacuum drawer assembly and refrigeration equipment with same

Info

Publication number: CN110749156A
Application number: CN201911000329.7A
Authority: CN
Inventors: 朱国梁
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-02-04

Abstract

The invention discloses a vacuum drawer assembly and refrigeration equipment with the same, wherein the vacuum drawer assembly comprises: a housing defining a receiving chamber having one side opened; the drawer is movably matched in the accommodating cavity and has a locking state and an unlocking state, when the drawer is in the locking state, the drawer is in clamping fit with the shell through a clamping part and a matching part so that the shell and the drawer form a sealed space, and when the drawer is in the unlocking state, the drawer can move relative to the shell; the buckle is rotatably arranged on the drawer to enable the drawer to be switched between the locking state and the unlocking state; the transmission assembly, joint portion or cooperation portion is located the drawer and with the attacker transmission is connected. The vacuum drawer assembly provided by the embodiment of the invention has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

Description

Vacuum drawer assembly and refrigeration equipment with same

Technical Field

The invention relates to the technical field of electric appliance manufacturing, in particular to a vacuum drawer assembly and refrigeration equipment with the same.

Background

Refrigeration equipment with vacuum fresh-keeping effect among the relevant art includes vacuum drawer assembly, has the chamber that holds that is suitable for the storing in the vacuum drawer assembly. But the sealed effect of drawer assembly is relatively poor, leads to the vacuum poor of holding the chamber, can't form the sealed space of negative pressure in drawer assembly. Therefore, the vacuum preservation effect of the vacuum drawer is influenced, and the use experience of a user is influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a vacuum drawer assembly which has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

The invention also provides refrigeration equipment with the vacuum drawer assembly.

To achieve the above object, an embodiment according to a first aspect of the present invention proposes a vacuum drawer assembly, comprising: a housing defining a receiving chamber having one side opened; the drawer is movably matched in the accommodating cavity and has a locking state and an unlocking state, when the drawer is in the locking state, the drawer is in clamping fit with the shell through a clamping part and a matching part so that the shell and the drawer form a sealed space, and when the drawer is in the unlocking state, the drawer can move relative to the shell; the buckle is rotatably arranged on the drawer to enable the drawer to be switched between the locking state and the unlocking state; the clamping portion or the matching portion is arranged on the drawer and is in transmission connection with the buckle through the transmission assembly.

The vacuum drawer assembly provided by the embodiment of the invention has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

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

according to some embodiments of the invention, one of the clamping portion and the fitting portion is provided at the housing and the other is provided at the drawer.

According to some embodiments of the invention, one of the clamping portion and the matching portion is a buckle and the other is a clamping groove, the buckle is in clamping fit with the clamping groove when the drawer is in the locking state, and the buckle is disengaged from the clamping groove when the drawer is in the unlocking state.

According to some embodiments of the invention, the drawer comprises: a drawer body movably fitted within the accommodation chamber; the panel, the panel with the one end of drawer body links to each other, wherein, the buckle is located the panel, the draw-in groove is located the shell the drawer is in under the locking state, the panel seals the opening of shell and with the shell is injectd sealed space.

According to some embodiments of the invention, the opening of the housing is provided with a flange extending away from the housing, the flange being adapted to snap-fit with the drawer.

According to some embodiments of the invention, the transmission assembly comprises: the gear is rotatably arranged on the drawer, and the handle is suitable for stirring the gear to rotate when rotating; the rack is movably arranged on the drawer, one end of the rack is meshed with the gear, and the other end of the rack is in transmission connection with the clamping portion.

According to some embodiments of the invention, the drawer is provided with a guide groove, the rack being fitted in the guide groove.

According to some embodiments of the present invention, the vacuum drawer assembly further comprises a swing link, the swing link is rotatably disposed on the drawer, one end of the swing link is provided with the buckle, the other end of the swing link is connected to the transmission assembly, and the transmission assembly is adapted to push the swing link to swing.

According to some embodiments of the invention, a middle portion of the swing link is rotatably connected to the drawer, and a rotation direction of the swing link is perpendicular to a moving direction of the drawer.

According to some embodiments of the invention, the handle comprises: the handle body is rotatably arranged on the drawer; the handle comprises a handle body, a protruding portion, wherein one end of the protruding portion is connected with the handle body and rotates along with the handle body, and the other end of the protruding portion is in transmission connection with the transmission assembly.

According to some embodiments of the invention, the drawer is provided with a rib provided with a through hole, the extension comprising: the fixing column penetrates through the through hole, and one end of the fixing column is connected with the buckle body; the rotating wheel is connected with the other end of the fixed column, the rotating wheel is in transmission connection with the transmission assembly, the rotating wheel is provided with a shifting portion used for shifting the transmission assembly, and the shifting portion is eccentrically arranged relative to the rotating center of the rotating wheel.

According to some embodiments of the present invention, the vacuum drawer assembly further includes a limiting member, the limiting member is disposed on the drawer and located between the rib plate and the transmission assembly, and the limiting member is configured to limit the rotating wheel in an extending direction of the fixing column.

According to some embodiments of the invention, the protruding portion is provided with a first transmission column, the transmission assembly is provided with a second transmission column, the first transmission column is in transmission connection with the second transmission column, and the extension direction of the first transmission column is perpendicular to the extension direction of the second transmission column.

According to some embodiments of the invention, the vacuum drawer assembly further comprises an elastic member, wherein the elastic member always drives the clamping portion to be in clamping fit with the matching portion.

According to some embodiments of the invention, the clamping parts are multiple and are symmetrically arranged on the drawer.

According to some embodiments of the invention, a seal is provided between the drawer and the housing, the seal being disposed around the opening, the seal being sandwiched between the drawer and the housing in the locked state of the drawer.

Embodiments according to a second aspect of the invention propose a refrigeration appliance comprising a vacuum drawer assembly according to embodiments of the first aspect of the invention.

According to the refrigeration equipment provided by the embodiment of the invention, by utilizing the vacuum drawer assembly provided by the embodiment of the first aspect of the invention, the refrigeration equipment has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

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 diagram of a vacuum drawer assembly according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a vacuum drawer assembly according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of a vacuum drawer assembly according to an embodiment of the present invention.

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

FIG. 5 is a cross-sectional view of a vacuum drawer assembly according to an embodiment of the present invention.

Fig. 6 is an enlarged view at E in fig. 5.

FIG. 7 is a cross-sectional view of a vacuum drawer assembly according to an embodiment of the present invention.

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

FIG. 9 is a schematic structural view of a drive assembly of a vacuum drawer assembly according to an embodiment of the present invention.

FIG. 10 is a schematic structural view of a drive assembly of a vacuum drawer assembly according to an embodiment of the present invention.

FIG. 11 is a schematic structural view of a drive assembly of a vacuum drawer assembly according to an embodiment of the present invention.

Fig. 12 is an enlarged view at F in fig. 11.

Reference numerals: the vacuum drawer assembly 1, the housing 100, the accommodating cavity 101, the clamping groove 102, the flanging 110, the drawer 200, the buckle 201, the drawer body 210, the panel 220, the guide groove 230, the rib plate 240, the through hole 241, the buckle 300, the buckle body 310, the extension 320, the fixed column 321, the rotating wheel 322, the first transmission column 324, the transmission assembly 400, the gear 410, the second transmission column 411, the rack 420, the swing rod 500, the limiting member 600, the elastic member 700, the release valve 800 and the sealing member 900.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

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

As shown in fig. 1 to 12, a vacuum drawer assembly 1 according to an embodiment of the present invention includes a housing 100, a drawer 200, a catch 300, and a driving assembly 400.

The housing 100 defines a receiving chamber 101 having one side opened. The drawer 200 is movably fitted in the receiving cavity 101, and the drawer 200 has a locked state in which the drawer 200 is snap-fitted with the housing 100 by a snap-fit portion and a fitting portion to form a sealed space between the housing 100 and the drawer 200, and an unlocked state in which the drawer 200 is movable relative to the housing 100. The handle 300 is rotatably provided to the drawer 200 to switch the drawer 200 between the locked state and the unlocked state. The clamping portion or the matching portion is arranged on the drawer 200 and is in transmission connection with the buckle 300 through the transmission assembly 400.

It should be understood that "the vacuum drawer assembly 1" means that a sealed space can be formed in the drawer assembly, and the sealed space can be maintained in a vacuum state by performing a vacuum process on the sealed space, so that the vacuum drawer assembly 1 has a vacuum storage capability.

According to the vacuum drawer assembly 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 drawer 200 is engaged with the housing 100, and a sealed space may be formed between the housing 100 and the drawer 200. Not only be convenient for like this improve the sealed effect in confined space to in the operation of taking out a vacuum to confined space, realize the evacuation storing performance of vacuum drawer subassembly 1, improve the functionality and the suitability of vacuum drawer subassembly 1, can also make drawer 200 and shell 100 realize reliable locking through the joint cooperation moreover, so that improve the sealed effect between drawer 200 and the shell 100, thereby make confined space can maintain certain vacuum, improve the evacuation storing effect of vacuum drawer subassembly 1.

For example, vacuum drawer assembly 1 sets up in the refrigerator, through being in at drawer 200 during the locking state, set drawer 200 and shell 100 into the joint cooperation, can improve locking and sealed effect between drawer 200 and the shell 100, so that form the confined space in vacuum drawer assembly 1, thereby be convenient for carry out the evacuation operation to vacuum drawer assembly 1, and be convenient for vacuum drawer assembly 1 keeps the evacuation state steadily, avoid unreliable and the gas leakage phenomenon of appearing of locking between drawer 200 and the shell 100, be convenient for improve vacuum drawer assembly 1 and to the fresh-keeping effect in vacuum of eating the material.

In addition, by providing the locking handle 300 and the driving assembly 400, the user can control the operation state of the drawer 200 through the locking handle 300. Not only can realize like this the attacker 300 with joint portion or the transmission of cooperation portion is connected, is convenient for transmit motion and effort from the attacker 300 joint portion or cooperation portion improves vacuum drawer subassembly 1's the flexibility that sets up, can realize multistage transmission through drive assembly 400 moreover, is convenient for cushion the power transmission of attacker 300, feels more comfortable when making user's operation attacker 300.

Therefore, the vacuum drawer assembly 1 has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

In some embodiments of the present invention, as shown in fig. 1-12, a vacuum drawer assembly 1 according to embodiments of the present invention includes a housing 100, a drawer 200, a catch 300, and a drive assembly 400.

In some embodiments of the present invention, one of the clamping portion and the fitting portion is provided to the housing 100 and the other is provided to the drawer 200. Further, the clamping portion is disposed on the drawer 200, and the matching portion is disposed on the housing 100. So that the buckle 300 drives the clamping part to be clamped or separated from the matching part.

Specifically, as shown in fig. 6, one of the clamping portion and the matching portion is a clamping buckle 201, and the other is a clamping groove 102, when the drawer 200 is in the locking state, the clamping buckle 201 is in clamping fit with the clamping groove 102, and when the drawer 200 is in the unlocking state, the clamping buckle 201 is disengaged from the clamping groove 102. Therefore, the drawer 200 is conveniently and smoothly switched between the locking state and the unlocking state, the clamping fit between the shell 100 and the drawer 200 can be realized, and the locking reliability and stability between the shell 100 and the drawer 200 are improved.

More specifically, as shown in fig. 5, the drawer 200 includes a drawer body 210 and a panel 220, and the drawer body 210 is movably fitted in the receiving cavity 101. The panel 220 is connected to one end of the drawer body 210, wherein the buckle 201 is disposed on the panel 220, the slot 102 is disposed on the housing 100, and when the drawer 200 is in the locked state, the panel 220 closes the opening of the housing 100 and defines the sealed space with the housing 100. This not only facilitates the placement of items within the drawer body 210 and improves the storage capacity of the vacuum drawer assembly 1, but also allows the panel 220 to close the opening of the housing 100 to facilitate the formation of a sealed space.

In some embodiments of the present invention, as shown in fig. 6, a flange 110 is provided at the opening of the housing 100, the flange 110 extends away from the housing 100, and the flange 110 is adapted to snap-fit with the drawer 200. This facilitates the setting of the clamping structure of the casing 100, facilitates the casing 100 and the drawer 200 to cooperate to form a clamping connection, and further facilitates the improvement of the connection reliability between the casing 100 and the drawer 200.

Specifically, the clip 201 is provided on the panel 220, and the clip groove 102 is provided on the flange 110 and penetrates the flange 110 in the thickness direction.

Further, the handle 300 is drivingly connected to the buckle 201 through the transmission assembly 400. Therefore, the working position of the buckle 201 is controlled by the buckle handle 300, the acting force of the user on the buckle handle 300 is reduced, and the operation comfort and the convenience of the user are improved.

Further, as shown in fig. 4, the transmission assembly 400 includes a gear 410 and a rack 420, the gear 410 is rotatably provided to the drawer 200, and the handle 300 is adapted to rotate the gear 410. The rack 420 is movably disposed on the drawer 200, and one end of the rack 420 is engaged with the gear 410 and the other end is in transmission connection with the clamping portion. Therefore, the rotation of the handle 300 can be converted into the movement of the clamping portion by using the transmission assembly 400, and the position relation between the clamping portion and the matching portion is controlled by rotating the handle 300.

Specifically, as shown in fig. 9, the drawer 200 is provided with a guide groove 230, and the rack 420 is fitted in the guide groove 230. Therefore, the rack can be positioned and guided by the guide groove 230, the moving accuracy and reliability of the rack 420 are improved, and the transmission effect of the transmission assembly 400 is improved.

Optionally, as shown in fig. 6, the vacuum drawer assembly 1 further includes a swing link 500, the swing link 500 is rotatably disposed on the drawer 200, one end of the swing link 500 is provided with a buckle 201, the other end of the swing link 500 is connected to the transmission assembly 400, and the transmission assembly 400 is adapted to push the swing link 500 to swing. Therefore, the transmission assembly 400 can drive the swing rod 500 to swing so as to drive the buckle 201 on the swing rod 500 to be clamped in the clamping groove 102 or separated from the clamping groove 102.

Further, the swing link 500 extends along the moving direction of the drawer 200, and an end of the swing link 500 at a side away from the front plate 220 is provided with an inclined guide surface for guiding the buckle 201 into the slot 102.

Meanwhile, by arranging the transmission assembly 400 and the swing rod 500, the operation process of a user is facilitated to be simplified, the operation hand feeling of the user is improved, and the vacuum drawer assembly 1 can reduce the acting force required by the operation of the user by using the lever effect for multiple times in the transmission process, so that the use experience of the user is effectively improved.

Further, the middle portion of the swing link 500 is rotatably connected to the drawer 200, and the rotation direction of the swing link 500 is perpendicular to the moving direction of the drawer 200. Therefore, smooth swinging of the swing rod 500 is facilitated, the drawer 200 is limited by the buckle 201, the drawer 200 is prevented from moving relative to the shell 100, and locking reliability between the drawer 200 and the shell 100 is improved. Meanwhile, when the drawer 200 is in the locking state, the buckle 201 is positioned on the action line of the acting force borne by the drawer 200, so that the problem that the buckle 201 slips off the clamping groove 102 can be effectively prevented, and the locking reliability of the vacuum drawer assembly 1 is ensured.

Specifically, as shown in fig. 6, the buckle 300 includes a buckle body 310 and an extension 320, and the buckle body 310 is rotatably provided to the drawer 200. One end of the extension 320 is connected to the buckle body 310 and rotates together with the buckle body 310, and the other end of the extension 320 is drivingly connected to the transmission assembly 400. This facilitates the manual operation of the button 300 by the user, and further facilitates the driving connection of the button 300 with the driving assembly 400, so as to control the working state of the drawer 200 through the button 300.

More specifically, as shown in fig. 6, the drawer 200 is provided with a rib plate 240, the rib plate 240 is provided with a through hole 241, the extension portion 320 includes a fixing post 321 and a rotating wheel 322, the fixing post 321 is inserted into the through hole 241, and one end of the fixing post 321 is connected to the handle body 310. The rotating wheel 322 is connected with the other end of the fixed column 321, the rotating wheel 322 is in transmission connection with the transmission assembly 400, the rotating wheel 322 is provided with a shifting part for shifting the transmission assembly 400, and the shifting part is eccentrically arranged relative to the rotating center of the rotating wheel 322. This facilitates the rotatable mounting of the holder 300 on the drawer 200, improves the structural reliability of the holder 300, and facilitates the transmission of the rotation of the holder 300 to the driving assembly 400.

Specifically, the dial portion of the wheel 322 may translate the rotation of the buckle body 310 into movement of the dial portion, which is utilized to transmit the motion of the buckle body 310 to the transmission assembly 400.

Further, as shown in fig. 12, the rotating wheel 1 further includes a limiting member 600, the limiting member 600 is disposed on the drawer 200 and located between the rib 240 and the transmission assembly 400, and the limiting member 600 is used for limiting the rotating wheel 322 in the extending direction of the fixing pillar 321. Therefore, the position reliability and accuracy of the rotating wheel 322 can be improved, the rotating wheel 322 is prevented from shaking to influence the transmission of power, and the transmission effect of the vacuum drawer assembly 1 is improved conveniently.

Alternatively, as shown in fig. 12, the protruding portion 320 is provided with a first transmission column 324, the transmission assembly 400 is provided with a second transmission column 411, the first transmission column 324 is in transmission connection with the second transmission column 411, and the extending direction of the first transmission column 324 is perpendicular to the extending direction of the second transmission column 411. This facilitates changing the direction of power transmission, transferring the movement of the first driving column 324 to the movement of the second driving column 411.

Specifically, the first transmission column 324 is disposed on the rotating wheel 322, the second transmission column 411 is disposed on the gear 410, the first transmission column 324 is in transmission connection with the second transmission column 411, and the extending direction of the first transmission column 324 is perpendicular to the extending direction of the second transmission column 411. Therefore, the rotation of the rotating wheel 322 can be converted into the swing of the first transmission column 324, and the first transmission column 324 transmits power to the second transmission column 411, so that the second transmission column 411 drives the gear 410 to rotate.

In some embodiments of the present invention, as shown in fig. 6, the vacuum drawer assembly 1 further comprises an elastic member 700, wherein the elastic member 700 drives the clamping portion to be clamped and matched with the matching portion. Therefore, when the buckle 300 is not operated, the clamping portion and the matching portion are always in a clamping matching state, so that the drawer 200 is always in a locking state, and the sealing reliability of the vacuum drawer assembly 1 is improved.

Specifically, the elastic member 700 is connected to the latch 201 and the drawer 200, respectively, to normally drive the latch 201 into snap-fit engagement with the latch groove 102.

Specifically, the elastic member 700 is a spring having one end connected to the housing 100 and the other end connected to the swing lever 500.

Optionally, the clamping portions are multiple and symmetrically arranged on the drawer 200. Therefore, the stress of the drawer 200 is more uniform, the locking force between the drawer 200 and the shell 100 is convenient to improve, and the locking stability of the vacuum drawer assembly 1 is improved.

In some embodiments of the present invention, as shown in fig. 7, the vacuum drawer assembly 1 further comprises a release valve 800, the release valve 800 is disposed on the drawer 200, the release valve 800 is closed to seal when the drawer 200 is in the locked state, and the release valve 800 is opened to release when the drawer 200 is in the unlocked state. Therefore, before the user opens the drawer 200, the air release valve 800 can be used for communicating the sealed space with the outside atmosphere, so that the normal pressure can be restored in the sealed space conveniently, the user can open the drawer 200 smoothly, and the use convenience and safety of the user are improved.

Specifically, as shown in fig. 7, the vacuum drawer assembly 1 further includes a latch 300, and the latch 300 is rotatably provided to the drawer 200 to open or close the release valve 800. Therefore, the operating state of the release valve 800 can be controlled by the buckle 300, so that reliable sealing of the sealed space is realized or the sealed space is communicated with the outside atmosphere, and the use convenience of a user is improved. Meanwhile, the normal pressure in the sealed space can be ensured to be recovered before the user opens the drawer 200, the operation safety of the user is improved, the danger of the user is avoided, and the use safety and the reliability of the vacuum drawer assembly 1 are improved.

According to some embodiments of the present invention, the vacuum drawer assembly 1 comprises a latch 300, the latch 300 is rotatably disposed on the drawer 200, and the latch 300 is drivingly connected to the latch 201 through a driving assembly 400, so as to switch the drawer 200 between the locked state and the unlocked state. Meanwhile, a protruding part is arranged on the buckle 300, the protruding part is arranged on one side surface of the buckle 300, which faces away from the user, and the protruding part is suitable for opening or closing the air release valve 800. Thus, the user can not only unlock the drawer 200 to make the drawer 200 movable with respect to the casing 100 by pulling the buckle 300, but also open the release valve 800 to restore the pressure in the sealed space. Thus, the user can complete the above operation process by the locking handle 300 before pulling out the drawer 200.

In some embodiments of the present invention, as shown in fig. 6, a sealing member 900 is provided between the drawer 200 and the housing 100, the sealing member 900 is provided around the opening, and the sealing member 900 is clamped between the drawer 200 and the housing 100 in the locked state of the drawer 200. Thus, the sealing member 900 can be used to reliably seal the connection between the drawer 200 and the casing 100, thereby improving the sealing effect of the sealing space and the vacuum effect of the vacuum drawer assembly 1.

Specifically, the seal 900 is a rubber seal.

Optionally, a mounting seat is provided on the panel 220, and the transmission assembly 400 is mounted on the mounting seat.

The operation of the vacuum drawer assembly 1 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

When vacuum storage is needed, the drawer 200 is in the locked state, and at this time, the elastic member 700 pulls the swing rod 500, and the buckle 201 is clamped in the clamping groove 102 through the lever action, so that the drawer 200, the sealing member 900 and the housing 100 are pulled tightly, and a sealed space is formed in the vacuum drawer assembly 1.

When the drawer 200 needs to be opened, the handle 300 is pulled first, the handle body 310 drives the first transmission column 324 to rotate through the extension part 320, the first transmission column 324 pushes the second transmission column 411 to rotate, the second transmission column 411 drives the gear 410 to rotate, the gear 410 drives the rack 420 to slide, the rack 420 pushes the swing rod 500 to swing, and the swing rod 500 drives the buckle 201 to separate from the slot 102. When the buckle 300 is pulled synchronously, the buckle 300 pushes the release valve 800, so that the release valve 800 is communicated with the outside, and the normal pressure inside the drawer 200 is restored. Then the drawer 200 is pulled outwards, after the buckle 300 is loosened, the buckle 300 restores to the original position due to the action of gravity, the buckle 201 and the transmission assembly 400 restore to the original position due to the pulling force of the elastic piece 700, and when the drawer 200 needs to be locked, the drawer 200 only needs to be directly pushed into the shell 100 to be locked, so that the drawer can be used repeatedly and rapidly and conveniently.

According to one embodiment of the present invention, the vacuum drawer assembly 1 includes a housing 100, a drawer 200, a catch 300, and a transmission assembly 400. The housing 100 defines a receiving chamber 101 having one side opened. The drawer 200 is movably fitted in the receiving cavity 101, and the drawer 200 has a locked state in which the drawer 200 is snap-fitted with the housing 100 by a snap-fit portion and a fitting portion to form a sealed space between the housing 100 and the drawer 200, and an unlocked state in which the drawer 200 is movable relative to the housing 100. The handle 300 is rotatably provided to the drawer 200 to switch the drawer 200 between the locked state and the unlocked state. The clamping portion or the matching portion is arranged on the drawer 200 and is in transmission connection with the buckle 300 through the transmission assembly 400.

The clamping portion is arranged on the drawer 200, and the matching portion is arranged on the shell 100. The clamping portion is a clamping buckle 201, the matching portion is a clamping groove 102, the drawer 200 is located in the locking state, the clamping buckle 201 is in clamping matching with the clamping groove 102, and the drawer 200 is located in the unlocking state, the clamping buckle 201 is separated from the clamping groove 102.

The opening of the outer shell 100 is provided with a flanging 110, the flanging 110 extends towards the direction far away from the outer shell 100, and the flanging 110 is suitable for being clamped and matched with the drawer 200.

The drawer 200 includes a drawer body 210 and a panel 220, and the drawer body 210 is movably fitted in the receiving cavity 101. The panel 220 is connected to one end of the drawer body 210, wherein the buckle 201 is disposed on the panel 220, the slot 102 is disposed on the outward flange 110, and when the drawer 200 is in the locked state, the panel 220 closes the opening of the housing 100 and defines the sealed space with the housing 100.

The handle 300 is drivingly connected with the buckle 201 through the transmission assembly 400. The driving assembly 400 includes a gear 410 and a rack 420, the gear 410 is rotatably provided to the drawer 200, and the handle 300 is adapted to rotate the gear 410. The rack 420 is movably disposed on the drawer 200, and one end of the rack 420 is engaged with the gear 410 and the other end is in transmission connection with the buckle 201. The drawer 200 is provided with a guide groove 230, and the rack 420 is fitted in the guide groove 230.

The vacuum drawer assembly 1 further comprises a swing link 500, the swing link 500 is rotatably disposed on the drawer 200, the middle portion of the swing link 500 is rotatably connected with the drawer 200, and the rotation direction of the swing link 500 is perpendicular to the moving direction of the drawer 200. One end of the swing rod 500 is provided with a buckle 201, the other end of the swing rod 500 is connected with the transmission assembly 400, and the transmission assembly 400 is suitable for pushing the swing rod 500 to swing.

The holder 300 includes a holder body 310 and an extension 320, and the holder body 310 is rotatably provided to the drawer 200. One end of the extension 320 is connected to the buckle body 310 and rotates together with the buckle body 310, and the other end of the extension 320 is drivingly connected to the transmission assembly 400. The drawer 200 is provided with a ribbed plate 240, the ribbed plate 240 is provided with a through hole 241, the extending part 320 comprises a fixed column 321 and a rotating wheel 322, the fixed column 321 penetrates through the through hole 241, and one end of the fixed column 321 is connected with the handle body 310. The rotating wheel 322 is connected with the other end of the fixed column 321, the rotating wheel 322 is in transmission connection with the transmission assembly 400, the rotating wheel 322 is provided with a first transmission column 324, and the first transmission column 324 is eccentrically arranged relative to the rotation center of the rotating wheel 322. The transmission assembly 400 is provided with a second transmission column 411, the first transmission column 324 is in transmission connection with the second transmission column 411, and the extending direction of the first transmission column 324 is perpendicular to the extending direction of the second transmission column 411.

The rotating wheel 1 further includes a limiting member 600, the limiting member 600 is disposed on the drawer 200 and located between the rib 240 and the transmission assembly 400, and the limiting member 600 is used for limiting the rotating wheel 322 in the extending direction of the fixing pillar 321.

The vacuum drawer assembly 1 further comprises an elastic member 700, and the elastic member 700 is respectively connected with the buckle 201 and the drawer 200 so as to normally drive the buckle 201 to be in clamping fit with the clamping groove 102. The elastic member 700 is a tension spring having one end connected to the case 100 and the other end connected to the swing lever 500.

The two buckles 201 are symmetrically arranged on the drawer 200.

The vacuum drawer assembly 1 further comprises an air release valve 800, the air release valve 800 is arranged on the drawer 200, the air release valve 800 is closed to seal when the drawer 200 is in the locking state, and the air release valve 800 is opened to release air when the drawer 200 is in the unlocking state. The buckle 300 is provided with a protrusion portion adapted to open or close the release valve 800.

A seal 900 is provided between the drawer 200 and the housing 100, the seal 900 being provided around the opening, the seal 900 being clamped between the drawer 200 and the housing 100 in the locked state of the drawer 200.

A refrigeration apparatus according to an embodiment of the present invention is described below. The refrigeration device according to an embodiment of the present invention comprises the vacuum drawer assembly 1 according to the above-described embodiment of the present invention.

According to the refrigeration equipment provided by the embodiment of the invention, by utilizing the vacuum drawer assembly 1 provided by the embodiment of the invention, the vacuum drawer assembly 1 has the advantages of convenience in use, reliable locking structure, good sealing effect and the like.

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 "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the 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 being "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, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings 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 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 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

1. A vacuum drawer assembly, comprising:

a housing defining a receiving chamber having one side opened;

the drawer is movably matched in the accommodating cavity and has a locking state and an unlocking state, when the drawer is in the locking state, the drawer is in clamping fit with the shell through a clamping part and a matching part so that the shell and the drawer form a sealed space, and when the drawer is in the unlocking state, the drawer can move relative to the shell;

the buckle is rotatably arranged on the drawer to enable the drawer to be switched between the locking state and the unlocking state;

the clamping portion or the matching portion is arranged on the drawer and is in transmission connection with the buckle through the transmission assembly.

2. The vacuum drawer assembly of claim 1, wherein one of the snap-fit portion and the mating portion is disposed on the housing and the other is disposed on the drawer.

3. The vacuum drawer assembly of claim 1, wherein one of the engaging portion and the engaging portion is a snap and the other is a slot, the snap engaging the slot when the drawer is in the locked state, and the snap disengaging the slot when the drawer is in the unlocked state.

4. The vacuum drawer assembly of claim 3, wherein the drawer comprises:

a drawer body movably fitted within the accommodation chamber;

a panel connected with one end of the drawer body,

the fastener is arranged on the panel, the clamping groove is arranged on the shell, and the panel seals the opening of the shell and limits the sealed space with the shell when the drawer is in the locking state.

5. The vacuum drawer assembly of claim 1, wherein the opening of the housing is provided with a flange extending away from the housing, the flange adapted to snap fit with the drawer.

6. The vacuum drawer assembly of claim 1, wherein the transmission assembly comprises:

the gear is rotatably arranged on the drawer, and the handle is suitable for stirring the gear to rotate when rotating;

the rack is movably arranged on the drawer, one end of the rack is meshed with the gear, and the other end of the rack is in transmission connection with the clamping portion.

7. The vacuum drawer assembly of claim 6, wherein the drawer is provided with a guide slot, the rack fitting within the guide slot.

8. The vacuum drawer assembly of claim 1, further comprising a swing link, wherein the swing link is rotatably disposed on the drawer, the engaging portion is disposed at one end of the swing link, the other end of the swing link is connected to the transmission assembly, and the transmission assembly is adapted to push the swing link to swing.

9. The vacuum drawer assembly of claim 8, wherein a middle portion of the rocker is rotatably coupled to the drawer, the rocker rotating in a direction perpendicular to the direction of movement of the drawer.

10. The vacuum drawer assembly of claim 1, wherein the catch comprises:

the handle body is rotatably arranged on the drawer;

the handle comprises a handle body, a protruding portion, wherein one end of the protruding portion is connected with the handle body and rotates along with the handle body, and the other end of the protruding portion is in transmission connection with the transmission assembly.

11. The vacuum drawer assembly of claim 10, wherein the drawer is provided with ribs provided with through holes, the extension comprising:

the fixing column penetrates through the through hole, and one end of the fixing column is connected with the buckle body;

the rotating wheel is connected with the other end of the fixed column, the rotating wheel is in transmission connection with the transmission assembly, the rotating wheel is provided with a shifting portion used for shifting the transmission assembly, and the shifting portion is eccentrically arranged relative to the rotating center of the rotating wheel.

12. The vacuum drawer assembly of claim 11, further comprising a stopper disposed between the rib and the transmission assembly and located in the drawer, wherein the stopper is configured to limit the wheel in an extending direction of the fixing post.

13. The vacuum drawer assembly of claim 10, wherein the extension portion is provided with a first transmission post, the transmission assembly is provided with a second transmission post, the first transmission post is in transmission connection with the second transmission post, and the extension direction of the first transmission post is perpendicular to the extension direction of the second transmission post.

14. The vacuum drawer assembly of claim 1, further comprising a resilient member that normally urges the snap-fit portion into snap-fit engagement with the engagement portion.

15. The vacuum drawer assembly of claim 1, wherein the snap-fit portions are plural and symmetrically disposed on the drawer.

16. The vacuum drawer assembly of claim 1, wherein a seal is disposed between the drawer and the housing, the seal being disposed around the opening, the seal being sandwiched between the drawer and the housing in the locked condition of the drawer.

17. A refrigeration appliance comprising the vacuum drawer assembly of any one of claims 1-16.