CN218506574U - Preservation box cover and vacuum preservation box - Google Patents

Abstract

The utility model discloses a fresh-keeping lid and have vacuum preservation box of this fresh-keeping lid, fresh-keeping lid includes the lid, have on the lid from interior to the lid core portion of arranging in proper order outward, predeformation portion and spacing rib, lid core portion is provided with the aspirating hole and is located the check valve of aspirating hole department, the upper surface of lid core portion is provided with the supporting plane, predeformation portion is the hang plate that reduces gradually outside from the interior, spacing rib is opening V-arrangement structure down, the peak point of spacing rib is higher than the supporting plane. The preservation box cover can well support the preservation box stacked on the preservation box cover, and the situation that the vacuum preservation box on the upper layer is toppled over due to irregular deformation of the box cover in the vacuum preservation box under a vacuum environment is avoided.

Description

Preservation box cover and vacuum preservation box

Technical Field

The utility model relates to a preservation box technical field especially relates to a preservation box cover and vacuum preservation box.

Background

The vacuum preservation box is a great invention in human history, and can keep food in the container fresh for a long time and prolong the service life of the food by pumping air in the container to ensure that the container is in a vacuum state. The vacuum preservation box on the market at present is generally provided with the aspirating hole on the lid, utilizes the aspiration pump to discharge its inside air in aspirating hole department, then closes the inside that the aspirating hole prevented that external air from entering into the vacuum preservation box.

During daily use, the vacuum preservation box that is equipped with raw and fresh food often can stack together, and the lid needs bear the pressure of atmospheric pressure and the gravity of other vacuum preservation boxes this moment, and this just requires the lid to have higher intensity, and the mode that generally adopts at present to cover at the preservation box and be provided with a large amount of strengthening ribs increases intensity, and the die sinking degree of difficulty can be increased in such design, promotes the manufacturing cost of mould. In addition, after the vacuum preservation boxes are stacked together, if the box cover of the preservation box on the lower layer deforms, the vacuum preservation box on the upper layer is prone to toppling.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a fresh-keeping box cover capable of supporting fresh-keeping boxes stacked thereon well.

The second objective of the present invention is to provide a vacuum fresh-keeping box with the above cover.

The utility model discloses a solve its technical problem and the technical scheme who adopts is:

the utility model provides a fresh-keeping lid, includes the lid, have lid core portion, predeformation portion and the spacing rib that arranges in proper order from inside to outside on the lid, lid core portion is provided with the aspirating hole and is located the check valve of aspirating hole department, the upper surface of lid core portion is provided with the supporting plane, predeformation portion is the hang plate that reduces gradually from inside to outside, spacing rib is opening V-arrangement structure down, the peak of spacing rib is higher than the supporting plane.

The utility model discloses an in the preferred scheme, spacing reinforcing part includes the outside hypotenuse and is located outside hypotenuse and the inboard hypotenuse between the predeformation portion, outside hypotenuse and inboard hypotenuse constitute jointly the V-arrangement structure, the outside hypotenuse with angle of inclination between the holding surface be greater than the inboard hypotenuse with angle of inclination between the holding surface.

The utility model discloses an in the preferred scheme, be provided with the recess on the lid core portion, the aspirating hole sets up on the bottom surface of recess, the check valve is including wearing to establish the elastic valve core in the aspirating hole glues the piece, the upper end that the elastic valve core glued the piece be provided with can with the bottom surface butt of recess is in order to seal the gasket of aspirating hole, the lower extreme that the elastic valve core glued the piece is provided with and limits the stopper that the elastic valve core piece deviate from the aspirating hole, the middle part that the elastic valve core glued the piece with leave the air guide space between the inside wall of aspirating hole.

In an embodiment of the present invention, the stopper is provided with an air guide hole communicated with the air guide space.

The utility model discloses an in the preferred scheme, the lower surface of lid core portion is provided with and encircles the spacing drum that the stopper set up, the lower edge of spacing drum is less than the lower surface of stopper.

In a preferred embodiment of the present invention, the cover core is provided with an annular groove disposed around the groove and used for docking the vacuum extractor.

The utility model provides a vacuum preservation box, includes the box body and as above-mentioned preservation box lid, the reason is provided with the box along last of box body, be provided with the sealing member between lid and the box edge, be provided with between lid and the box body and press from both sides tightly so that lid and box edge can be with the sealing member between the two with the locking device of locking of the two.

The utility model discloses an in the preferred scheme, the lower surface of lid is provided with along the seal groove of its edge setting, the sealing member is a sealing washer, the upper portion of sealing washer clamps in the seal groove, the lower part of sealing washer be located outside the seal groove and with the butt is followed to the box.

The utility model discloses an in the preferred scheme, locking device is connected including rotating the upset fastener of the edge of lid, the lower surface that the box was followed is provided with the catching groove, it can the lock be in to be provided with on the upset fastener protruding knot position in the catching groove.

The utility model discloses an among the preferred scheme, the lower part of upset fastener is provided with the hand portion of digging out that can drive its upset upwards so that protruding knot position breaks away from the catching groove.

The utility model discloses an in the preferred scheme, the edge of lid is provided with the breach, all be provided with the pin joint hole on the lateral wall of breach both sides, the both sides of upset fastener are provided with equal flexible arm, be provided with on the flexible arm with the pivot that the pin joint hole corresponds, the pivot is inserted and is established in the pin joint hole that corresponds so that the upset fastener with the lid is articulated, the flexible arm makes the pivot on it can deviate from in the pin joint hole that corresponds when another flexible arm bending deformation.

The utility model discloses an among the preferred scheme, be provided with first knot position on the inside wall of breach, be provided with on the upset fastener can buckle in the catching groove time with first knot position lock is detained the position with the second of limiting upset fastener rotation opening.

The utility model has the advantages that:

1. the outer side bevel edge and the inner side bevel edge jointly form a V-shaped structure, so that the strength of the box cover can be increased, the use of reinforcing ribs is reduced, and the die sinking cost is favorably reduced.

2. Because the box cover is provided with the pre-deformation treatment, when the vacuum preservation box is in a vacuum state, the cover core part can integrally translate downwards, the supporting surface of the cover core part can still keep a plane state, the vacuum preservation box stacked on the box cover is well supported, and the phenomenon that the box cover is irregularly deformed to cause the toppling of the upper vacuum preservation box is avoided.

3. Under the limiting displacement of V-arrangement structure, when vacuum preservation box stacked and had 2 at least layers, even if the vacuum preservation box of lower floor places on the inclined plane, also can support the vacuum preservation box on upper strata, avoided the vacuum preservation box landing on upper strata.

Drawings

FIG. 1 is a cross-sectional view of a vacuum crisper;

FIG. 2 is a cross-sectional view of the vacuum crisper with a vacuum extractor attached thereto;

FIG. 3 is a cross-sectional view of a fresh food container lid;

FIG. 4 is a cross-sectional view of the crisper when placed on the crisper lid;

FIG. 5 is an enlarged view of portion A of FIG. 3;

FIG. 6 is a perspective view of the flip fastener;

FIG. 7 is a left side view of the flip fastener;

FIG. 8 is a front view of the vacuum crisper;

fig. 9 is an enlarged view of portion B of fig. 8;

FIG. 10 is a perspective view of a rounded crisper lid;

FIG. 11 is a perspective view of a square crisper lid;

figure 12 is a perspective view of a rectangular crisper lid.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear \8230;) in the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "preferred", "less preferred", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "preferred" or "less preferred" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 12, a vacuum preservation box comprises a box body 6 and a preservation box cover, wherein a box edge 61 is arranged on the upper edge of the box body 6, a sealing element 7 is arranged between the cover body 1 and the box edge 61, and a locking device capable of locking the cover body 1 and the box body 6 is arranged between the cover body 1 and the box body 6 so that the cover body 1 and the box edge 61 can clamp the sealing element 7 between the cover body 1 and the box edge 61.

The fresh-keeping box cover comprises a cover body 1, wherein a cover core part 11, a pre-deformation part 12 and a limiting reinforcing part 13 are arranged on the cover body 1, the cover core part 11, the pre-deformation part 12 and the limiting reinforcing part 13 are sequentially arranged from the middle part of the cover body 1 to the periphery, namely from inside to outside, the cover core part 11 is provided with an air suction hole 101 and a one-way valve located at the air suction hole 101, a supporting plane 102 is arranged on the upper surface of the cover core part 11, the pre-deformation part 12 is an inclined plate gradually decreasing from inside to outside, the limiting reinforcing part 13 is a V-shaped structure with a downward opening, and the highest point of the limiting reinforcing part 13 is higher than the supporting plane 102.

The cover body 1 is generally round, square, rectangular and the like, and can be arranged into a regular pentagon, a regular hexagon and the like according to needs, and the box body 6 is arranged into a round box, a square box, a rectangular box, a regular pentagon box, a regular hexagon box and the like corresponding to the box body.

Specifically, the constraining reinforcement 13 includes an outside oblique side 131 and an inside oblique side 132 between the outside oblique side 131 and the pre-deformation portion 12, the outside oblique side 131 and the inside oblique side 132 together constituting a V-shaped structure, and the inclination angle between the outside oblique side 131 and the supporting plane 102 is larger than that between the inside oblique side 132 and the supporting plane 102.

Referring to fig. 3 and 5, the outer oblique edge 131 and the inner oblique edge 132 jointly form a V-shaped structure, so that the strength of the box cover can be increased, the number of reinforcing ribs is reduced, and the mold opening cost is reduced. Because the box cover is provided with the pre-deformation treatment, when the vacuum preservation box is in a vacuum state and other vacuum preservation boxes are stacked on the box cover, under the dual action of the gravity of atmospheric pressure and vacuum preservation, the cover body 1 can be pressed, the cover core part 11 is enabled to move downwards to the horizontal dotted line position in fig. 3 and fig. 5, the inner side bevel edge 132 of the limiting reinforcing part 13 can be bent towards the direction of closing the outer side bevel edge 131, the inclined plate can also deform to enable the upper surface of the inclined plate to be approximately flush with the supporting surface of the cover core part 11, good supporting performance is achieved for the vacuum preservation box on the upper layer, and the phenomenon that the box cover is irregularly deformed to cause the vacuum preservation box on the upper layer to topple over is avoided. In addition, under the limiting effect of V-arrangement structure, even if the vacuum preservation box of lower floor is placed on the inclined plane, also can support the vacuum preservation box on upper strata, avoid the vacuum preservation box landing on upper strata.

Referring to fig. 1 and 2, a groove 103 lower than the support plane 102 is formed in the cover core 11, the air exhaust hole 101 is formed in the bottom surface of the groove 103, the check valve includes an elastic valve core rubber member 3 penetrating through the air exhaust hole 101, a sealing sheet 31 capable of being abutted against the bottom surface of the groove 103 to seal the air exhaust hole 101 is arranged at the upper end of the elastic valve core rubber member 3, a limiting block 32 capable of limiting the elastic valve core member to be disengaged from the air exhaust hole 101 is arranged at the lower end of the elastic valve core rubber member 3, and an air guide gap is formed between the middle of the elastic valve core rubber member 3 and the inner side wall of the air exhaust hole 101.

Further, the limiting block 32 is provided with an air guide hole 321 communicated with the air guide gap. The lid core 11 is provided with an annular groove 104 arranged around the recess 103 and serving for docking the vacuum pump 4. Referring to fig. 2, when the vacuum preserving box is provided with the vacuum extractor 4, the lower edge of the vacuum extractor 4 is inserted into the annular groove 104, the sealing ring on the vacuum extractor 4 is abutted to the cover body 1 to realize sealing, then the vacuum extractor 4 is opened, the sealing film at the upper end of the elastic valve core rubber part 3 can be lifted, the air of the vacuum preserving box is extracted, and after the air is extracted, the sealing film is recovered to deform, and the extraction hole 101 can be sealed.

Further, a limiting cylinder 108 surrounding the limiting block 32 is disposed on the lower surface of the cover core 11, and the lower edge of the limiting cylinder 108 is lower than the lower surface of the limiting block 32. Set up spacing drum 108 on the inboard surface of lid 1, can prevent that the thing in the lunch-box from pushing up elasticity case glue spare 3, lead to the sealed face of gasket 31 and the lid 1 of elasticity case glue spare 3 to break away from to lead to gas leakage.

The utility model discloses an in the preferred scheme, the lower surface of lid 1 is provided with along the seal groove 105 of its edge setting, and sealing member 7 is a sealing washer, and the upper portion of sealing washer clamps in seal groove 105, and the lower part of sealing washer is located outside seal groove 105 and with box along 61 butts. The locking device comprises a turning fastener 5 which is rotatably connected at the edge of the cover body 1, a catching groove 62 is formed in the lower surface of the box edge 61, and a convex catching position 51 which can be buckled in the catching groove 62 is formed in the turning fastener 5. Preferably, the number of the turnover fasteners 5 is 4, each turnover fastener 5 is uniformly distributed on the edge of the cover body 1, and the cover body 1 and the box body 6 can be locked when the convex buckling positions 51 are buckled in the buckling grooves 62.

Further, the lower part of the turning fastener 5 is provided with a hand-holding portion 52 which can drive the turning fastener to turn upwards to separate the convex fastening position 51 from the fastening groove 62. Adopt such design, the user is handheld when hand-holding portion 52 upwards overturns buckle 5, can be with 5 unblocks of upset buckle, can open lid 1 when all 5 unblocks of upset buckle.

Furthermore, the edge of the cover 1 is provided with a notch 106, the side walls on both sides of the notch 106 are provided with pivot holes 107, both sides of the flip fastener 5 are provided with elastic arms 53, the elastic arms 53 are provided with rotating shafts 54 corresponding to the pivot holes 107, the rotating shafts 54 are inserted into the corresponding pivot holes 107 so that the flip fastener 5 is hinged with the cover 1, and the rotating shafts 54 on the elastic arms 53 can be disengaged from the corresponding pivot holes 107 when the elastic arms 53 are bent and deformed toward the other elastic arm 53. By adopting the design, the turnover fastener 5 is convenient to assemble and disassemble.

Furthermore, a first buckling position 109 is disposed on the inner side wall of the notch 106, and a second buckling position 55 capable of buckling with the first buckling position 109 to restrict the turning buckle 5 from rotating to open when the convex buckling position 51 is buckled in the buckling groove 62 is disposed on the turning buckle 5. The first snap-fit location 109 and the second snap-fit location 55 may be a male and female mating, wherein the male and female mating is optimized. When the box 6 is in a vacuum state, the sealing ring is pressed to lower the cover 1 as a whole, and the cover 1 may be lowered to cause the protruding buckling position 51 of the flip fastener 5 to be separated from the buckling groove 62. By adopting the design of matching the first buckling position 109 with the second buckling position 55, the turnover fastener 5 and the cover body 1 can be locked when the turnover fastener 5 is in a covering state, so that the turnover fastener 5 is prevented from being turned over and opened; after the turnover fastener 5 is opened, the turnover fastener 5 can be prevented from rotating downwards to a covering state under the action of gravity.

The above is only the preferred embodiment of the present invention, and is not the limit to the patent scope of the present invention, all of which are under the design of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. The preservation box cover is characterized by comprising a cover body (1), wherein the cover body (1) is provided with a cover core part (11), a pre-deformation part (12) and a limiting reinforcing part (13) which are sequentially arranged from inside to outside, the cover core part (11) is provided with an air suction hole (101) and a one-way valve located at the air suction hole (101), the upper surface of the cover core part (11) is provided with a supporting plane (102), the pre-deformation part (12) is an inclined plate gradually reduced from inside to outside, the limiting reinforcing part (13) is of a V-shaped structure with a downward opening, and the highest point of the limiting reinforcing part (13) is higher than the supporting plane (102).

2. A crisper lid according to claim 1, characterized in that said retention reinforcement (13) comprises an outside hypotenuse (131) and an inside hypotenuse (132) between said outside hypotenuse (131) and said pre-distortion portion (12), said outside hypotenuse (131) and inside hypotenuse (132) together constituting said V-shaped configuration, the angle of inclination between said outside hypotenuse (131) and said resting plane (102) being greater than the angle of inclination between inside hypotenuse (132) and said resting plane (102).

3. The crisper cover according to claim 1, characterized in that a groove (103) is provided on the upper surface of the cover core (11), the air suction hole (101) is provided on the bottom surface of the groove (103), the one-way valve comprises an elastic valve core rubber member (3) inserted into the air suction hole (101), a sealing sheet (31) capable of abutting against the bottom surface of the groove (103) to seal the air suction hole (101) is provided at the upper end of the elastic valve core rubber member (3), a limiting block (32) capable of limiting the elastic valve core member to be removed from the air suction hole (101) is provided at the lower end of the elastic valve core rubber member (3), and an air guide gap is left between the middle part of the elastic valve core rubber member (3) and the inner side wall of the air suction hole (101).

4. The crisper cover according to claim 3, characterized in that the limiting block (32) is provided with an air-guiding hole (321) communicating with the air-guiding void.

5. The fresh-keeping box cover according to claim 3, characterized in that the lower surface of the cover core part (11) is provided with a limiting cylinder (108) arranged around the limiting block (32), and the lower edge of the limiting cylinder (108) is lower than the lower surface of the limiting block (32).

6. Vacuum crisper, characterized in that, comprises a crisper body (6) and a crisper cover according to any of claims 1-5, wherein the upper edge of the crisper body (6) is provided with a crisper rim (61), a sealing member (7) is arranged between the cover body (1) and the crisper rim (61), and a locking device capable of locking the cover body (1) and the crisper body (6) is arranged between the cover body (1) and the crisper rim (61) so that the cover body (1) and the crisper rim (61) can clamp the sealing member (7) therebetween.

7. Vacuum crisper according to claim 6, characterized in that the lower surface of the lid (1) is provided with a sealing groove (105) along its edge, the sealing element (7) is a sealing ring, the upper part of the sealing ring is clamped in the sealing groove (105), and the lower part of the sealing ring is located outside the sealing groove (105) and abuts against the brim (61).

8. Vacuum crisper according to claim 7, characterized in that the locking device comprises a flip fastener (5) rotatably connected to the edge of the lid (1), the bottom surface of the lid (61) is provided with a groove (62), and the flip fastener (5) is provided with a convex fastening position (51) capable of being fastened in the groove (62).

9. The vacuum refreshing box according to claim 8, wherein the edge of the cover (1) is provided with a notch (106), the side walls of both sides of the notch (106) are provided with pivot holes (107), both sides of the flip fastener (5) are provided with elastic arms (53), the elastic arms (53) are provided with rotating shafts (54) corresponding to the pivot holes (107), the rotating shafts (54) are inserted into the corresponding pivot holes (107) to hinge the flip fastener (5) and the cover (1), and the elastic arms (53) can be disengaged from the corresponding pivot holes (107) when being bent and deformed towards the other elastic arm (53).

10. The vacuum crisper according to claim 9, characterized in that a first fastening position (109) is arranged on the inner side wall of the gap (106), and a second fastening position (55) capable of fastening with the first fastening position (109) when the convex fastening position (51) is fastened into the fastening groove (62) to restrict the turning fastener (5) from rotating open is arranged on the turning fastener (5).

Images