CN115743910A

CN115743910A - Box body assembly and preservation box

Info

Publication number: CN115743910A
Application number: CN202211483472.8A
Authority: CN
Inventors: 吴昊; 王丹丹; 王冠; 夏文靖; 李宗照; 李琦
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-07

Abstract

The invention discloses a box body assembly and a preservation box. The box body component comprises a box body; the box cover is arranged on the box body, and the box cover and the box body jointly enclose a sealed space; the box cover is internally provided with a containing cavity, and the moving structure is movably arranged in the containing cavity. According to the box body assembly and the preservation box, the first pressure cavity and the second pressure cavity with variable volumes are formed on the box cover by the aid of the moving structure, and the first one-way mechanism and the second one-way mechanism are utilized, so that gas in the sealed space can be discharged to the outside atmosphere sequentially through the first pressure cavity and the second pressure cavity when the moving structure reciprocates, the air density in the sealed space is reduced along with reduction of the gas quality, the vacuum degree of the sealed space is reduced at the moment, the stability of the vacuum degree in the sealed space is guaranteed by the aid of the first one-way mechanism, and the reliability of the preservation box is guaranteed.

Description

Box body assembly and preservation box

Technical Field

The invention relates to the technical field of preservation equipment, in particular to a box body assembly and a preservation box.

Background

With the continuous progress of society and the continuous improvement of people's living standard, the preservation box is used by more and more people as a new convenient preservation utensil, has continuously gone into more and more people's daily life. The vacuum degree of the existing vacuum preservation box is reduced by pumping air out of the box through a vacuum pump, so that the purpose of preservation is achieved. However, the vacuum preservation box needs to be provided with an electric or manual vacuum pump in order to be matched with the vacuum preservation box, so that the use of the preservation appliance is inconvenient.

Disclosure of Invention

The invention discloses a box body assembly and a preservation box, and solves the problem that a preservation appliance in the prior art is inconvenient to use.

The invention discloses a box body assembly, comprising:

a case body;

the box cover is arranged on the box body, and a sealed space is enclosed by the box cover and the box body;

the box cover is internally provided with a containing cavity, the moving structure is movably arranged in the containing cavity and divides the containing cavity into a first pressure cavity and a second pressure cavity;

the first one-way mechanism is arranged on the moving structure, the flow direction of the first one-way mechanism is from the first pressure cavity to the second pressure cavity, and the second pressure cavity is communicated with the first pressure cavity through the first one-way mechanism;

the second one-way mechanism is arranged on the box cover, the gas circulation direction of the second one-way mechanism is directed to the first pressure cavity from the sealing space, and the sealing space is communicated with the first pressure cavity through the second one-way mechanism;

the second pressure chamber is communicated with the outside atmosphere.

The box body assembly further comprises a driving structure, the driving structure is movably arranged on the box cover, the moving structure is connected to the driving structure, and the driving structure can drive the moving structure to move so as to adjust the volume of the first pressure cavity and the volume of the second pressure cavity.

The moving structure is provided with a first sliding groove, the driving structure is provided with a sliding block, and the sliding block is in sliding fit with the first sliding groove so that the moving structure moves along the axis direction of the moving structure; or, a sliding block is arranged on the moving structure, a first sliding groove is arranged on the driving structure, and the sliding block is in sliding fit with the first sliding groove so that the moving structure moves along the axis direction of the moving structure.

The first sliding groove is provided with a plurality of wave crests and a plurality of wave troughs, all the wave crests and all the wave troughs are sequentially arranged, and when the sliding block passes through two adjacent wave crests or two adjacent wave troughs, the moving structure sequentially reciprocates.

The movable structure is provided with a sleeve, the first sliding groove is formed in the first side face of the sleeve, the first sliding groove is connected end to form an annular groove, and the sliding block is movably arranged in the annular groove.

The driving structure further comprises a handle, the handle is rotatably arranged on the box cover, and the sliding block is arranged on the handle.

The driving structure further comprises a lengthening mechanism, the lengthening mechanism is arranged on the handle, and the lengthening mechanism is in a storage state stored on the handle and a lengthening state located outside the handle.

The movable structure is provided with a first guide matching part, the box cover is provided with a second guide matching part, and the first guide matching part and the second guide matching part are in guide matching so that the movable structure moves along the axis direction of the movable structure.

The movable structure is provided with a sleeve, a second side face of the sleeve is provided with a guide groove, the box cover is provided with a guide block, the guide block is in guide fit with the guide groove, the guide groove forms the first guide fit part, and the guide block forms the second guide fit part.

The box body subassembly still includes pressure relief structure, pressure relief structure set up in the lid and/or on the box body, just pressure relief structure can make confined space and external atmosphere intercommunication.

Another aspect of the present invention provides a fresh-keeping box, including the above-mentioned box body assembly.

According to the box body assembly and the preservation box, the first pressure cavity and the second pressure cavity with variable volumes are formed on the box cover through the moving structure, and the first one-way mechanism and the second one-way mechanism are utilized, so that when the moving structure reciprocates, gas in a sealed space can be discharged to the outside atmosphere through the first pressure cavity and the second pressure cavity in sequence, the density of the air in the sealed space is reduced along with the reduction of the mass of the gas, the vacuum degree of the sealed space is reduced at the moment, the stability of the vacuum degree in the sealed space is ensured through the first one-way mechanism, and the reliability of the preservation box is ensured.

Drawings

FIG. 1 is a schematic diagram of a cassette assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a cassette assembly according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a lid of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a cassette assembly according to an embodiment of the present invention;

FIG. 5 is another cross-sectional view of the cassette assembly of an embodiment of the present invention;

FIG. 6 is a perspective view of a mobile structure of an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a driving structure of an embodiment of the present invention;

FIG. 8 is a schematic structural view of an extension mechanism according to an embodiment of the present invention in an extended state;

legend: 1. a case body; 2. a box cover; 11. sealing the space; 3. a moving structure; 21. a first pressure chamber; 22. a second pressure chamber; 4. a first one-way mechanism; 5. a second one-way mechanism; 31. a first chute; 61. a slider; 7. a sleeve; 62. a handle; 63. a lengthening mechanism; 32. a guide groove; 23. a guide block; 8. a pressure relief structure.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the details of the description.

As shown in fig. 1 to 8, the present invention discloses a cartridge assembly, comprising: a box body 1; the box cover 2 is arranged on the box body 1, and the box cover 2 and the box body 1 jointly enclose a sealed space 11; the box cover 2 is internally provided with a containing cavity, the moving structure 3 is movably arranged in the containing cavity, and the containing cavity is divided into a first pressure cavity 21 and a second pressure cavity 22 by the moving structure 3; the first one-way mechanism 4 is arranged on the moving structure 3, the gas flowing direction of the first one-way mechanism 4 is directed to the second pressure cavity 22 from the first pressure cavity 21, and the second pressure cavity 22 is communicated with the first pressure cavity 21 through the first one-way mechanism 4; the second one-way mechanism 5 is arranged on the box cover 2, the gas flowing direction of the second one-way mechanism 5 is directed to the first pressure cavity 21 from the sealed space 11, and the sealed space 11 is communicated with the first pressure cavity 21 through the second one-way mechanism 5; the second pressure chamber 22 is in communication with the outside atmosphere. The first pressure cavity 21 and the second pressure cavity 22 with variable volumes are formed on the box cover 2 by the moving structure 3, and the first one-way mechanism 4 and the second one-way mechanism 5 are utilized to enable the moving structure 3 to discharge gas in the sealed space 11 to the outside atmosphere sequentially through the first pressure cavity 21 and the second pressure cavity 22 when the moving structure performs reciprocating motion, so that the air density in the sealed space 11 is reduced along with the reduction of the gas quality, the vacuum degree of the sealed space 11 is reduced at the moment, the stability of the vacuum degree in the sealed space 11 is ensured through the first one-way mechanism 4, and the reliability of the preservation box is ensured.

Taking the case that the volume of the first pressure chamber 21 is at the minimum and the volume of the second pressure chamber 22 is at the maximum as an example, when the box assembly performs the vacuum pumping process, the moving structure 3 moves along the first direction, at this time, the volume of the first pressure chamber 21 is gradually increased, and at the same time, the volume of the second pressure chamber 22 is gradually decreased, because the sealed space 11 is communicated with the first pressure chamber 21 through the second one-way mechanism 5, at this time, the gas in the sealed space 11 can flow into the first pressure chamber 21 through the second one-way mechanism 5 until the volume of the first pressure chamber 21 reaches the maximum, at this time, the volume of the second pressure chamber 22 reaches the minimum, at the same time, the gas pressure and the gas density in the first pressure chamber 21 and the sealed space 11 are the same, then the moving structure 3 starts to move along the second direction (opposite to the first direction), and the volume of the first pressure chamber 21 is gradually decreased, the volume of the second pressure chamber 22 is gradually increased, because of the effect of the second one-way mechanism 5, the gas in the first pressure chamber 21 can not enter the sealed space 11, meanwhile, because the first pressure chamber 21 is communicated with the second pressure chamber 22 through the first one-way mechanism 4, the gas in the first pressure chamber 21 can only be forced to enter the second pressure chamber 22 through the first one-way mechanism 4 along with the movement of the moving structure 3 until the volume of the first pressure chamber 21 reaches the minimum, at this time, the gas in the first pressure chamber 21 is basically discharged into the second pressure chamber 22, then the moving structure 3 moves along the first direction again, at this time, the moving structure 3 completes one reciprocating movement, the box body component completes one vacuumizing process, and each time when the gas in the sealed space 11 enters the first pressure chamber 21, part of the gas in the sealed space 11 can be stopped in the first pressure chamber 21, therefore, when the cartridge assembly repeats the above process, that is, the moving structure 3 performs a plurality of reciprocating motions, the amount of gas in the sealed space 11 is gradually reduced, and finally the purpose of vacuumizing the sealed space 11 is achieved.

Wherein the moving structure 3 is a silica gel sealing pad.

Both the first check mechanism 4 and the second check mechanism 5 may be selected as check valves.

The box body assembly further comprises a driving structure, the driving structure is movably arranged on the box cover 2, the moving structure 3 is connected to the driving structure, and the driving structure can drive the moving structure 3 to move so as to adjust the volume of the first pressure cavity 21 and the volume of the second pressure cavity 22. The driving structure can drive the moving structure 3 to perform reciprocating motion, so that the purpose of vacuumizing the box body assembly is achieved.

In one embodiment, the moving structure 3 is provided with a first sliding chute 31, and the driving structure is provided with a sliding block 61, wherein the sliding block 61 is in sliding fit with the first sliding chute 31 to move the moving structure 3 along the axial direction of the moving structure 3. When the sliding block 61 moves, the sliding block 61 presses the side wall of the first sliding chute 31, so that the first sliding chute 31 is subjected to a pressing force, and the moving structure 3 can move under the pressing force.

Specifically, the first sliding groove 31 has a plurality of peaks and a plurality of valleys, all the peaks and all the valleys are sequentially arranged, and when the sliding block 61 passes through two adjacent peaks or two adjacent valleys, the moving structure 3 sequentially reciprocates. Preferably, the first sliding groove 31 is in a sine wave shape, the first sliding groove 31 between adjacent wave crests and wave troughs is in an arc shape, the sliding block 61 generates an oblique extrusion force on the first sliding groove 31 when in the arc shape, and the component force of the extrusion force in the axial direction of the moving structure 3 can drive the moving structure 3 to reciprocate. For example, when the sliding block 61 slides from the wave trough to the wave trough, the pressing force can drive the moving structure 3 to move to the first direction, and then when the sliding block 61 slides from the wave trough to the wave trough, the pressing force can drive the moving structure 3 to move to the second direction, so as to realize the reciprocating motion of the moving structure 3.

Optionally, a sleeve 7 is arranged on the moving structure 3, the first sliding groove 31 is arranged on a first side surface of the sleeve 7, the first sliding groove 31 is connected end to form an annular groove, and the sliding block 61 is movably arranged in the annular groove. The circular movement of the sliding block 61 maintains the movement in the annular groove, so that the continuous reciprocating movement of the mobile structure 3 is achieved.

As shown in fig. 1, the inner surface of the sleeve 7 constitutes a first side surface of the sleeve 7, the first sliding groove 31 is provided on the inner surface of the sleeve 7, the sliding block 61 is located inside the sleeve 7, and the sliding block 61 is capable of making a circular motion along the axis of the sleeve 7, thereby realizing a reciprocating motion of the moving structure 3 along the axis of the sleeve 7.

The number of the sliding blocks 61 may be at least two, and all the sliding blocks 61 are movably disposed in the first sliding chute 31, so as to ensure that the moving structure 3 moves reliably.

The number of wave crests or wave troughs in the first sliding chute 31 is 4, and at the moment, the sliding block 61 rotates for one circle to move the moving structure 3 to perform four reciprocating motions, so that the four vacuumizing processes of the sealed space 11 are realized.

The driving structure further comprises a handle 62, the handle 62 is rotatably disposed on the box cover 2, and the sliding block 61 is disposed on the handle 62. The user can bring the slider 61 into a circular motion by means of the handle 62 and thus the mobile structure 3 into a reciprocating motion. The user may also access the cassette assembly via the handle 62.

In order to facilitate taking of the user, the handle 62 is provided with an arc-shaped groove matched with fingers, so that the comfort level of the user in holding is improved.

In order to facilitate the rotation of the slider 61, the driving structure further includes a lengthening mechanism 63, the lengthening mechanism 63 is disposed on the handle 62, and the lengthening mechanism 63 has a storage state stored in the handle 62 and an extended state located outside the handle 62. When the lengthening mechanism 63 is in the lengthening state, the moment arm of the handle 62 during rotation can be increased, a user can directly push the lengthening mechanism 63 to complete the rotation of the handle 62 and the sliding block 61, and meanwhile, in order to avoid the oversize size of the handle 62 and even the box body assembly caused by the size of the lengthening mechanism 63, the lengthening mechanism 63 is switched to the storage state when the handle 62 does not need to be rotated, and at the moment, the lengthening mechanism 63 is stored in the handle 62.

Specifically, extension mechanism 63 includes the extension bar, be provided with the holding tank on the handle 62, the one end of extension bar is articulated with the one end department of holding tank, when extension mechanism 63 is in the state of accomodating, the extension bar is located the holding tank, and when extension mechanism 63 is in the extension state, the extension bar breaks away from the holding tank by the upset in the holding tank, and turn over to be in the coplanar position with handle 62, the whole sizes of extension bar this moment all constitute the extension arm of force of handle 62, thereby reduce and rotate the required dynamics of handle 62, improve user's use and experience.

In order to ensure that the moving structure 3 can move along a set direction (the axial direction of the moving structure 3), a first guide matching part is arranged on the moving structure 3, a second guide matching part is arranged on the box cover 2, and the first guide matching part and the second guide matching part are in guide matching so that the moving structure 3 moves along the axial direction of the moving structure 3.

Specifically, the moving structure 3 is provided with a sleeve 7, a second side surface of the sleeve 7 is provided with a guide groove 32, the box cover 2 is provided with a guide block 23, the guide block 23 is in guide fit with the guide groove 32, the guide groove 32 forms the first guide fit portion, and the guide block 23 forms the second guide fit portion. Wherein the sliding direction of the guide block 23 in the guide slot 32 is parallel to the axis of the mobile structure 3.

As another embodiment, the difference from the previous embodiment is that a slide block 61 is disposed on the moving structure 3, a first slide groove 31 is disposed on the driving structure, and the slide block 61 is slidably engaged with the first slide groove 31 to move the moving structure 3 along the axial direction of the moving structure 3.

The box body subassembly still includes pressure relief structure 8, pressure relief structure 8 set up in lid 2 and/or on the box body 1, just pressure relief structure 8 can make confined space 11 communicates with external atmosphere.

The pressure relief structure 8 comprises a pressure relief valve, a pressure relief hole is formed in the box cover 2 or the box body 1, and the pressure relief valve is arranged at the pressure relief hole.

The decompression valve includes rubber buffer and reset spring, and the rubber buffer has and seals the closed condition in pressure release hole with open the pressure release state in pressure release hole, reset spring butt is on the rubber buffer, and reset spring can drive the rubber buffer switches to closed condition.

When needs were to space for sealing 11 relieves, can extrude the rubber buffer and make the rubber buffer switch to the pressure release state, space for sealing 11 this moment through pressure release hole and external atmosphere intercommunication, in external atmospheric gas got into space for sealing 11, final gas pressure in the space for sealing 11 was the same with external atmospheric pressure. When the pressure is not required to be relieved, the rubber plug is released, the resetting mechanism drives the rubber plug to be switched to a closed state, and the sealed space 11 is not communicated with the external atmosphere at the moment.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not exhaustive here for all embodiments. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.

Claims

1. A cassette assembly, comprising:

a box body (1);

the box cover (2) is arranged on the box body (1), and the box cover (2) and the box body (1) jointly enclose a sealed space (11);

the box cover (2) is internally provided with an accommodating cavity, the moving structure (3) is movably arranged in the accommodating cavity, and the accommodating cavity is divided into a first pressure cavity (21) and a second pressure cavity (22) by the moving structure (3);

the first one-way mechanism (4), the first one-way mechanism (4) is arranged on the moving structure (3), the gas circulation direction of the first one-way mechanism (4) is directed to the second pressure cavity (22) from the first pressure cavity (21), and the second pressure cavity (22) is communicated with the first pressure cavity (21) through the first one-way mechanism (4);

the second one-way mechanism (5) is arranged on the box cover (2), the gas circulation direction of the second one-way mechanism (5) is directed to the first pressure cavity (21) from the sealed space (11), and the sealed space (11) is communicated with the first pressure cavity (21) through the second one-way mechanism (5);

the second pressure chamber (22) is connected to the outside atmosphere.

2. The cartridge assembly according to claim 1, further comprising a driving structure, wherein the driving structure is movably disposed on the lid (2), the moving structure (3) is connected to the driving structure, and the driving structure can drive the moving structure (3) to move to adjust the volume of the first pressure chamber (21) and the volume of the second pressure chamber (22).

3. The box assembly according to claim 2, characterized in that said mobile structure (3) is provided with a first runner (31), said driving structure is provided with a slide (61), said slide (61) is slidably engaged with said first runner (31) to move said mobile structure (3) along the axial direction of said mobile structure (3); or a sliding block (61) is arranged on the moving structure (3), a first sliding groove (31) is arranged on the driving structure, and the sliding block (61) is in sliding fit with the first sliding groove (31) so that the moving structure (3) moves along the axis direction of the moving structure (3).

4. A cartridge assembly according to claim 3, wherein said first chute (31) has a plurality of peaks and a plurality of valleys, all of said peaks and all of said valleys being spaced apart, said mobile structure (3) performing a reciprocating movement once when said slider (61) passes by two adjacent peaks or by two adjacent valleys.

5. The box assembly according to claim 4, characterized in that a sleeve (7) is provided on the moving structure (3), the first runner (31) is provided on a first side of the sleeve (7), and the first runner (31) is connected end to end forming an annular groove, the slider (61) being movably provided in the annular groove.

6. The box assembly according to claim 5, characterized in that the driving structure further comprises a handle (62), the handle (62) being rotatably arranged on the lid (2), the slider (61) being arranged on the handle (62).

7. The cassette assembly according to claim 6, characterized in that the drive structure further comprises an extension mechanism (63), the extension mechanism (63) being provided on the handle (62), and the extension mechanism (63) having a stored state received on the handle (62) and an extended state located outside the handle (62).

8. The box assembly according to claim 1, characterized in that the moving structure (3) is provided with a first guiding engagement portion, the box cover (2) is provided with a second guiding engagement portion, and the first guiding engagement portion and the second guiding engagement portion are guided to engage so as to move the moving structure (3) along the axial direction of the moving structure (3).

9. The box assembly according to claim 8, characterized in that a sleeve (7) is provided on the moving structure (3), a guide groove (32) is provided on a second side of the sleeve (7), a guide block (23) is provided on the lid (2), the guide block (23) is in guiding engagement with the guide groove (32), the guide groove (32) constitutes the first guiding engagement portion, and the guide block (23) constitutes the second guiding engagement portion.

10. The box assembly according to claim 1, further comprising a pressure relief structure (8), wherein the pressure relief structure (8) is disposed on the box cover (2) and/or the box (1), and the pressure relief structure (8) enables the sealed space (11) to communicate with the outside atmosphere.

11. A crisper comprising the cassette assembly of any of claims 1 to 10.