SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a novel sealing box cover; and further provides a sealed fresh-keeping box with the sealed box cover.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the sealing box cover comprises a cover body and a sealing element, wherein the sealing element is arranged on the outer edge of the cover body, the sealing element comprises an inner annular component connected with the outer edge of the cover body and an outer annular component matched with the opening of the box body, the sealing element is provided with a flexible opening part integrated with the outer annular component, the flexible opening part is positioned on the inner side of the outer annular component, and the flexible opening part and the cover body jointly form a cover body assembly matched with the opening of the box body.
The utility model discloses a further optimization scheme does: the thickness of the flexible opening part is smaller than that of the outer annular component.
The utility model discloses a further optimization scheme does: the inner surface of the flexible opening part is in a sunken state relative to the inner surface of the cover body.
The utility model discloses a further optimization scheme does: the outer annular component include from top to bottom the first rampart of lid at the box body up end, with the second rampart of box body inner wall close contact and the third rampart of extrusion in the box body inner wall that distributes, the outer end of third rampart exceed the second rampart just the outer end of third rampart be no longer than the outer end of first rampart.
The utility model discloses a further optimization scheme does: the second annular wall is located the outward flange outside of lid, and second annular wall and lid are in same level.
The utility model discloses a further optimization scheme does: the first annular wall extends along the horizontal direction, the extending direction of the second annular wall is consistent with the extending direction of the inner wall of the box body, and the third annular wall forms a certain angle with the second annular wall under the state that the third annular wall is not extruded on the inner wall of the box body.
The utility model discloses a further optimization scheme does: the lower side of the second annular wall is provided with a transition annular wall, and the third annular wall is integrally connected with the lower end part of the transition annular wall.
The utility model discloses a further optimization scheme does: the extension direction of the transition annular wall is consistent with the extension direction of the inner wall of the box body; the outer diameter of the transition annular wall is smaller than the outer diameter of the second annular wall.
The utility model discloses a further optimization scheme does: the inner ring-shaped component comprises a coupling notch formed by an inner lower wall, an inner upper wall and an inner side wall, and the outer edge of the cover body is fixed in the coupling notch.
The utility model discloses another theme does: the sealed preservation box comprises a sealed box cover and a box body, wherein the sealed box cover covers the box body.
Compared with the prior art, the utility model has the advantages that the outer annular component seals the preservation box to form a negative pressure state; the flexible opening part integrated with the sealing element not only plays a role of sealing the preservation box together with the cover body, but also is convenient for a user to open the flexible opening part upwards to form an airflow channel which can lead air to enter and exit with the inner wall of the box body, air is sucked in the box body, the negative pressure state is relieved, and the user can open the sealed preservation box easily.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the sealed fresh food box a includes abox body 100 and a sealedbox cover 200 covering an opening of thebox body 100. The material of thecase 100 is glass, plastic or metal, and the cross-sectional shape may be circular, square or oval.
Thesealing box cover 200 comprises acover body 001 and asealing piece 002, wherein thesealing piece 002 is arranged on the outer edge of thecover body 001 and comprises an innerannular member 01 connected with the outer edge of thecover body 001 and an outerannular member 02 matched with the opening of thebox body 100.
As shown in fig. 4, theinner ring member 01 includes an inner lower wall 3, an inner upper wall 1, and aninner side wall 2, which form a coupling notch K into which the outer edge of thecover 001 is snapped. Preferably, the inner lower wall 3 and the inner upper wall 1 respectively fit the upper and lower surfaces of thelid body 001, and the outer edge of thelid body 001 and the innerannular member 01 are adhered by an adhesive.
As shown in fig. 5-6, the outerannular member 02 includes a firstannular wall 4 covering the upper end surface of thebox 100, a secondannular wall 5 closely contacting with the inner wall of thebox 100, and a thirdannular wall 6 pressing against the inner wall of thebox 100, wherein the outer end of the thirdannular wall 6 exceeds the secondannular wall 5 and the outer end of the thirdannular wall 6 does not exceed the outer end of the firstannular wall 4.
As shown in fig. 3 and 8, most of the outer edge of thecover body 001 of the sealedbox cover 200 is adjacent to the second annular wall of the sealingmember 002, and the remaining part of the outer edge is spaced from the second annular wall of the sealingmember 002, and the sealingmember 002 therein extends inward to form aflexible opening portion 11, and theflexible opening portion 11 and thecover body 001 together form a cover body assembly which is matched with the opening of thebox body 100, so as to cover the opening of thebox body 100 of the sealed crisper a. Theflexible opening portion 11 is integrated with the outerannular member 02 and is located inside the outerannular member 02, that is, the outerannular member 02 is provided outside the cover assembly.
Accordingly, most of theinner ring member 01, i.e., theinner ring member 01 where thecover 001 is adjacent to the inner wall of thecase 100, is located inside the outer ring member; the remaining part of the inner ring-shapedmember 01 is located at thecover 001 adjacent to theflexible opening portion 11.
Preferably, the cover assembly is circular, square or oval in shape to fit the opening of thecase 100. The material of thecover 001 is glass, plastic or metal. The sealingmember 002 is an elastic silicone rubber or rubber member.
Specifically, as shown in fig. 4 to 8, the firstannular wall 4 extends substantially in the horizontal direction, and the body of thecap 200 is axially positioned at the upper end of the mouth of thecase 100 so that thecap 200 does not slip downward, and a first seal between thecap 200 and thecase 100 is performed.
The extending direction of the secondannular wall 5 is the same as the extending direction of the inner wall of thebox body 100, and the outer diameter is adapted to the inner diameter of the opening of thebox body 100, so that the secondannular wall 5 can smoothly enter the opening of thebox body 100 and tightly contact the inner wall surface of thebox body 100, thereby forming a second seal between thesealing box cover 200 and thebox body 100.
The thirdannular wall 6 forms a certain angle with the secondannular wall 5 under the state that the third annular wall is not extruded on the inner wall of thebox 100, and the outer diameter of the third annular wall is larger than the inner diameter of the opening part of thebox 100; when the thirdannular wall 6 enters the opening of thebox body 100, it is pressed by the inner wall of thebox body 100 and then elastically deformed to form an interference fit with the inner wall of thebox body 100, thereby providing an outward tension to the inner wall of thebox body 100 and forming a third seal between thebox cover 200 and thebox body 100.
The three sealing measures form stable connection between thesealing box cover 200 and thebox body 100, so that the box cover can reliably seal thebox body 100, the sealing preservation box has good sealing effect, the preservation capability is enhanced, and the function of preventing liquid leakage is achieved.
Preferably, as shown in fig. 5, the thirdannular wall 6 is inclined outward toward the secondannular wall 5 at an acute angle with respect to the secondannular wall 5, i.e., the thirdannular wall 6 has a configuration with a smaller outer diameter at the lower part and a larger outer diameter at the upper part, and the outer diameter at the lowest part is slightly smaller than the inner diameter at the uppermost part of the mouth of thecase body 100, so that the sealingcap 200 can be easily positioned on the mouth of thecase body 100 and can be inserted downward into thecase body 100.
Further preferably, as shown in fig. 4, the firstannular wall 4 extends inwardly to form the inner upper wall 1 of the innerannular member 01, and extends downwardly to form the secondannular wall 5, the secondannular wall 5 is located outside the outer edge of thecover 001, and the secondannular wall 5 is at the same level as thecover 001.
Since thecover 001 is made of a rigid material, the secondannular wall 5 adhered thereto is rigid and cannot be deformed. After the secondannular wall 5 enters the opening of thebox body 100, the two sides of the secondannular wall 5 are respectively attached to the outer wall of thecover body 001 and the inner wall of thebox body 100, so that the rigidity of the whole sealing structure is enhanced, the impact resistance of thesealing box cover 200 is improved, and the sealing effect of thesealing box cover 200 and thebox body 100 is further enhanced.
Specifically, as shown in fig. 5 to 6, a transitionannular wall 7 is provided at a lower side of the secondannular wall 5, a thirdannular wall 6 is integrally coupled to a lower end portion of the transitionannular wall 7, an extending direction and an extending direction of the transitionannular wall 7 coincide with an extending direction of an inner wall of thebox 100, and the thirdannular wall 6 extends obliquely upward from a lowermost end of the transitionannular wall 7 to form an angle of 60 to 80 degrees with the transitionannular wall 7. The transitionannular wall 7 has an outer diameter smaller than the outer diameter of the secondannular wall 5 and an outer surface having a recessed space to accommodate the thirdannular wall 6 after being pressed.
It will be appreciated that such a configuration provides that not only the thirdannular wall 6 serves to guide theclosure cap 200 into position over the mouth of thebody 100; moreover, the included angle between the thirdannular wall 6 and the transitionannular wall 7 enables the thirdannular wall 6 to have stronger elastic deformation capacity, and larger deformation energy is stored, so that the sealing performance between the sealingbox cover 200 and thebox body 100 is better; in addition, in the covering process, the thirdannular wall 6 continuously discharges the air in thebox body 100 inwards, the sealed preservation box is in a negative pressure state, the thirdannular wall 6 always keeps outward tension to prevent air backflow, therefore, the air content of the sealed preservation box is low, and the oxidation time of stored articles is shortened.
Preferably, as shown in fig. 6, a holding portion F is formed at a portion of the first annular wall extending outward for facilitating the user to hold the cap of the sealing cap.
Preferably, as shown in fig. 7 to 8, the upper surface of theflexible opening part 11 is flush with the upper surface of the outer ring-shapedmember 02 for aesthetic appearance of the assembly of thecap 001, and the thickness of theflexible opening part 11 is smaller than that of the outer ring-shapedmember 02, and the inner surface thereof is recessed with respect to the inner surface of thecap 001.
In the actual use process, the user places thesealing box cover 200 at the opening part of thebox body 100, and realizes the radial positioning of thesealing box cover 200 and thebox body 100 through the lower part of the thirdannular wall 6; when a user presses thesealing box cover 200 downwards, the thirdannular wall 6 enters thebox body 100, is gradually sucked on the inner wall of thebox body 100 like a sucker and deforms inwards under the extrusion of the inner wall of thebox body 100, the inner surface of the third annular wall leans against the outer surface of the transitionannular wall 7, and the outer surface of the third annular wall is extruded on the inner wall of thebox body 100 in an interference manner; further, the secondannular wall 5 enters thebox body 100 and gradually moves downwards along the inner wall of thebox body 100 until the firstannular wall 4 contacts the upper end surface of the opening of thebox body 100, so that thesealing box cover 200 is limited to be pressed downwards continuously, and at the moment, the outerannular member 02 of the sealingelement 002 seals the sealing preservation box A, so that the sealing preservation box A is in a negative pressure state.
When the sealed preservation box A at the negative pressure is opened, if the pressure of the sealed preservation box A is not relieved, the resistance for opening the sealed box cover is larger. At this time, the user lifts theflexible opening portion 11 upwards to form an airflow channel with the inner wall of thebox body 100, so that air can enter and exit, air is sucked into thebox body 100, the negative pressure state is relieved, and the user can easily open the sealed preservation box.
Further, as shown in fig. 9, a throughhole 8 may be further formed in thecover 001, anadjustable exhaust valve 9 is installed in the throughhole 8, and theexhaust valve 9 may enable the inside and the outside of thecover 001 to be in a communication or closed state. Thevent valve 9 is arranged to release the pressure of the sealed preservation box A, so that a user can open the sealed preservation box A easily.
Specifically, as shown in fig. 10 and 11, theair vent valve 9 is a sealing body with an air vent groove H, and air inside and outside thesealing box cover 200 can be communicated through the air vent groove H by pulling the sealing body.
Preferably, theexhaust valve 9 is made of an elastic material, preferably a silicone or rubber material.
More specifically, theexhaust valve 9 includes afirst stopper 91 located outside thecover 001, asecond stopper 92 located inside thecover 001, and acoupling body 93 coupling thefirst stopper 91 and thesecond stopper 92. Thecoupling body 93 penetrates into the throughhole 8 of thecover body 001, and thefirst stopper 91 and thesecond stopper 92 restrict the vertical displacement of thecoupling body 93.
Thecoupling body 93 includes anupper sealing section 93a and a lowerair groove section 93 b. Thesealing section 93a is fitted to the throughhole 8 and has an outer diameter slightly larger than an inner diameter of the throughhole 8 of thecover body 001, so that the throughhole 8 can be sealed. A vertical exhaust channel H is provided on the outer wall of thecoupling body 93 of theair channel section 93 b.
Preferably, a lug which is convenient for a user to pull theexhaust valve 9 is integrally connected to one side of the first limitingblock 91. The lower surface of the first limitingblock 91 is provided with a first plane which can be attached to the upper surface of thecover body 001, so that the sealing effect between theexhaust valve 9 and the sealing box cover is enhanced.
Further preferably, the second limitingblock 92 is three protrusions T annularly and uniformly distributed at the lower end of thecoupling body 93. The exhaust grooves H are located between every two of the protrusions T. The projection T may be flexibly bent, thereby facilitating the assembly of theexhaust valve 9 into the through-hole 8 of thecover 001.
When the sealed preservation box a is closed, a user can press down theexhaust valve 9, then the sealedbox cover 200 is installed in the opening of thebox body 100, thesealing section 93a of the connectingbody 93 seals thecover body 001 in the process, air is discharged from the sealingelement 002 on the outer ring of thecover body 001, and the sealed preservation box a is finally in a negative pressure state.
In addition, the user can also pull up theexhaust valve 9 to keep the exhaust groove H smooth, then install thesealing box cover 200 into the opening of thebox body 100, finally press theexhaust valve 9 downwards, the air is discharged from the gap between theexhaust valve 9 and the throughhole 8, thesealing section 93a seals thecover body 001 to prevent the air from flowing back, so that the sealing preservation box a is in a negative pressure state at last.
When opening this sealed preservation box A that is in the negative pressure, the user upwards stimulatesdischarge valve 9, andair groove section 93b and the cooperation of 8 inner walls of through-hole, air exhaust groove H and the formation of 8 inner walls of through-hole can make the air current passageway that the air advances, inhale the air in thebox body 100, and the negative pressure state is relieved, and the user can easily open the preservation box this moment, and operation process is comparatively simple.
It is right above the utility model provides a sealed lid and sealed preservation box introduce in detail, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping understanding the utility model relates to a core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.