CN110040351A - A kind of long-acting vacuum refreshing lid - Google Patents

Abstract

The present invention proposes long-acting vacuum refreshing lid, it is related to a kind of fresh-keeping cover, including lid, nut and cushion rubber, the lid and nut are equipped with air-flow access way, the nut is screwed on the air-flow access way of the lid, and the air-flow access way of the nut is equipped with ball, and the air-flow access way of the lid is equipped with the rubber mat of upper lower through-hole, the rubber mat is adapted to the air-flow access way of the ball and the lid, and the cushion rubber is set on the lid periphery.The application is with mechanical force and elastic force rather than only closes valve by atmospheric pressure, to obtain the air-tightness and persistence for being much higher than standard valve；It is fed back in operating process, and then understands the state and better experience sense of valve；Even if final vacuum expendable pattern, container are still able to maintain sealing state.

Description

A kind of long-acting vacuum refreshing lid

Technical field

The present invention relates to a kind of fresh-keeping cover, especially a kind of long-acting vacuum refreshing lid.

Background technique

The most fresh-keeping needs of food materials are airtight, and vacuum freshness retaining is than common airtight preferably fresh-keeping mode；Fresh-keeping effect It is related with vacuum degree；In actual use, vacuum degree always can be lower and lower until vacuum expendable pattern；In vacuum fresh-retaining container field, The patent document of publicity is retrieved, vacuum refreshing lid is commonly used and routinely uses flexible one-way valve structures, by inside and outside differential pressure quilt Outside atmospheric pressure closes valve port, and vacuum vacuum state disappears quickly in a short time, be not suitable for requirements at the higher level (vacuum degree) and (persistence) for more time it is fresh-keeping.

In view of this, the present invention is specifically proposed.

Summary of the invention

The present invention provides a kind of long-acting vacuum refreshing lid, can be evacuated outward by interior；It can efficient sealed long-term holding after pumping Vacuum degree does not decline or declines seldom；Container still at least keeps sealing state after vacuum expendable pattern；Operating process has feedback.

The present invention specifically adopts the following technical scheme that realization:

It is logical that a kind of long-acting vacuum refreshing lid, including lid, nut and cushion rubber, the lid and nut are equipped with air-flow disengaging Road, the nut are screwed on the air-flow access way of the lid, and the air-flow access way of the nut is equipped with ball, institute The air-flow access way for stating lid is equipped with the rubber mat of upper lower through-hole, the air-flow of the rubber mat and the ball and the lid into Path adaptation out, the cushion rubber are set on the lid periphery.

Preferably, the cushion rubber lower part is equipped with outside retrousse preload portion.

Preferably, being additionally provided with ball groove in the nut, the ball is set in the ball groove.

Preferably, the ball groove has upper lower through-hole, the ball groove upper opening diameter is greater than the ball diameter, institute It states and is equipped with the inside spherical surface detent in several centers of circle at ball groove lower opening, the spherical surface detent is adapted to the ball and spherical surface card The circular diameter that position oral area is formed is less than the ball diameter, the rounded portion stretch out the ball groove lower opening and with the glue Pad adaptation contact.

Preferably, the ball groove is by welding or splicing or in a manner of being spirally connected airtight and fastening is connected to the nut On air-flow access way.

A circle is formed in junction preferably, being connected to after the nut on the outside of the ball groove equipped with groove or ball groove Groove, the groove are equipped with the O-ring of adaptation, and the O-ring is adapted to the air-flow access way interference of the lid.

Preferably, the inside below the nut outer wall is equipped with one or several centers of circle being evenly distributed to detent, institute It is inwardly protruding to detent to state the center of circle, and the center of circle is equipped with vertical gap to side wall where detent both sides.

Preferably, being equipped with below the lid screw thread with the center of circle to the corresponding card slot being recessed inwardly of detent, institute It states card slot and is adapted to the center of circle to detent.

Preferably, the inside below the nut outer wall is equipped with one or several circumference being evenly distributed to detent, institute It states circumference and is distributed from high to low to detent by spiral locking direction.

Preferably, the lid screw thread lower outer is equipped with the circumference to the corresponding lid detent of detent, spiral shell When being screwed into bottom, the lid detent withstands the circumference to detent.

A kind of long-acting vacuum refreshing lid provided by the invention, the beneficial effect is that: it is with the mechanical force of screw thread that ball is tight It is pressed on rubber mat rather than only closes valve by atmospheric pressure, so that lid and container is kept gas with compressed cushion rubber preload portion It is close, to obtain the air-tightness and persistence for being much higher than standard valve；It is fed back in operating process, and then understands the shape of valve State and better experience sense；Even if final vacuum expendable pattern, container are still able to maintain sealing state.

Detailed description of the invention

Fig. 1 is the schematic cross-section of the long-acting vacuum refreshing lid of the present invention；

Fig. 2 is the decomposition diagram of the long-acting vacuum refreshing lid of the present invention；

Fig. 3 is ball groove structure schematic diagram；

Fig. 4 is the structural schematic diagram of nut；

Fig. 5 is the structural schematic diagram of lid；

Fig. 6 is clamping matching schematic diagram；

Fig. 7 is that long-acting vacuum refreshing lid uses schematic diagram.

Specific embodiment

To further illustrate that each embodiment, the present invention are provided with attached drawing.These attached drawings are that the invention discloses one of content Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment.Cooperation ginseng These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Now in conjunction with the drawings and specific embodiments, the present invention is further described.

As shown in Figs. 1-2, a kind of long-acting vacuum refreshing lid provided in this embodiment, including nut 1, lid 2, cushion rubber 3, circle Ball 5 and rubber mat 6.Upper downstream connected pathways is designed in nut 1 and lid 2；1 inner wall of nut is equipped with internal screw thread, 2 channel of lid Outside is equipped with external screw thread at mouthful, and nut and lid are spirally connected, and 2 periphery of lid is equipped with cushion rubber 3, cushion rubber 3 and the interference of antistaling container oral area The air-flow connected pathways of adaptation, lid 2 is equipped with rubber mat 6.

Ball groove 13 is equipped in nut 1,13 upper opening diameter of ball groove is greater than 5 diameter of ball, and ball 5 can be packed into ball groove 13 It is interior.As shown in figure 3,13 lower opening of ball groove is equipped with the inside spherical surface detent 131 in 3 centers of circle, spherical surface detent 131 and ball 5 are suitable Match and 131 oral area of spherical surface detent formed circular diameter be less than 5 diameter of ball, the extended ball groove 13 of ball 5 be open certain distance and It will not drop out, and ball 5 stretches out the part that ball groove 13 is open and contacts with the adaptation of rubber mat 6.

Ball groove 13 is fusible to be connected in nut 1, and the annular groove of recess is equipped on the outside of weld, and annular groove is equipped with O-ring 4, O Shape circle 4 with and nut 1 be spirally connected after 2 channel interference of lid be adapted to；1 weld inner wall channel diameter of upper cover is less than the straight of ball 5 Diameter.

As shown in figure 4, inside is equipped with one or several inwardly protruded centers of circle to detent, Yi Jixiang below 1 outer wall of nut Circumference with quantity respectively sets 3, and uniform distribution to detent in the present embodiment, by the hand of spiral be for 11A, 11B, 11C and 12A,12B,12C；Each center of circle respectively offers vertical gap 14 on 1 side wall of upper cover locating for detent both ends so that the center of circle to Detent can slight introversion and extroversion deformation.

As shown in figure 5, being equipped under one or several card slots being recessed inwardly and identical quantity below 2 screw thread of lid Seat detent respectively sets 3, and uniform distribution in the present embodiment, and by the hand of spiral, three card slots are respectively 21A, 21B, 21C, and three A lower seat detent is respectively 22A, 22B, 22C.Three lid detents are by screwing direction from high to low.

During screwing, as shown in fig. 6, the center of circle successively slips over card slot 21C, 21B to detent 11A, finally slides into 21A Interior, at this point, being threaded to bottom, 11B slides into 21B, 11C and slides into 21C；Meanwhile circumference to detent 12A, 12B, 12C respectively by lower seat card 22A, 22B, 22C are withstood for position.When the center of circle each time falls into card slot to detent, the circle of power and deformation that the hand of spiral applies The elastic force that the heart resiles to detent can feed back to user in time and clearly；Meanwhile in the case where replying the elastic force effect of original shape And under the action of spiral force, the center of circle slides to the acceleration that card slot generates to detent, use circumference to detent and lower seat detent It collides and clicks, further provide feedback.

The design being computed, when so that the center of circle sliding into card slot 21B to detent 11A, ball 5 is oriented in ball groove 13 to be moved up Dynamic stroke, for state can be evacuated；When the center of circle slides into card slot 21A to detent 11A, 1 weld diameter of nut is less than 5 diameter of ball Inner wall channel ball is tightly pressed against on the rubber mat 6 of adaptation, be locking state；The center of circle is to detent 11A not forward to card slot 21C Before, ball 5 can not contact suitable rubber mat 6, be deflation status.

For convenience of use, in the center of circle to point identification is equipped at detent 11A, it is respectively equipped with and puts in card slot 21C, 21B, 21A Gas, pumping, locking state mark.

As shown in fig. 7, in use, by long-acting vacuum refreshing lid be packed into antistaling container, cushion rubber it is airtight be enclosed in lid and On antistaling container inner sidewall, rotary nut, point identification alignment pumping is identified, and can hear click and rebound in rotary course Feedback, pumping pump block are evacuated at nut gas outlet, and O-ring is airtight to be closed on the outside of nut channel and on the inside of lid channel, Vacuum is formed above ball, ball is raised, is blocked by nut inner wall channel, and bleed-off passage is opened, and gas in container is extracted； Pumping terminates, and ball is blocked on the rubber mat through-hole of adaptation by lower section vacuum and self gravitation effect, and bleed-off passage is closed； Aspiration pump, rotary nut are removed, point identification alignment locking identifies, click and rebound feedback can be heard in rotary course, Nut inner wall channel tightly withstands on ball on rubber mat under the mechanical force of spiral.

Even if vacuum state completely disappears, due to the cushion rubber for thering is interference to be adapted between lid and container, while nut also with lid Body closes, and is still the good antistaling container of air-tightness.

When needing to open, rotary nut, point identification alignment is deflated, and the spherical detent below ball groove takes away ball upwards Rubber mat can hear that click and rebound feedback, bleed-off passage are opened in rotary course, and outside air enters, and vacuum state disappears It loses, can uncap.

Long-acting vacuum refreshing lid provided in this embodiment with mechanical force and elastic force rather than only closes valve by atmospheric pressure Door, thus obtain be much higher than standard valve air-tightness so that vacuum degree do not decline in short term or long-term degradation very It is few；It is still airtight antistaling container when vacuum completely disappears；Tactile feedback is obtained in operating process, and then understands the shape of valve State obtains reassurance；Sound and elastic feedback are obtained in operating process, so that experience sense is more strong.

Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right The present invention makes a variety of changes, and is protection scope of the present invention.

Claims (10)

1. a kind of long-acting vacuum refreshing lid, which is characterized in that including lid, nut and cushion rubber, the lid is equipped with nut Air-flow access way, the nut are screwed on the air-flow access way of the lid, on the air-flow access way of the nut Equipped with ball, the air-flow access way of the lid is equipped with the rubber mat of upper lower through-hole, the rubber mat and the ball and described The air-flow access way of lid is adapted to, and the cushion rubber is set on the lid periphery.

2. a kind of long-acting vacuum refreshing lid according to claim 1, which is characterized in that it is additionally provided with ball groove in the nut, The ball is set in the ball groove.

3. a kind of long-acting vacuum refreshing lid according to claim 2, which is characterized in that the ball groove has upper lower through-hole, The ball groove upper opening diameter is greater than the ball diameter, and the inside spherical surface in several centers of circle is equipped at the ball groove lower opening Detent, the circular diameter that the spherical surface detent is adapted to the ball and spherical surface detent oral area is formed are less than the ball diameter, institute Rounded portion is stated to stretch out the ball groove lower opening and contact with rubber mat adaptation.

4. according to a kind of any long-acting vacuum refreshing lid of claim 2-3, which is characterized in that the ball groove with welding or Be glued or the mode that is spirally connected is airtight and the air-flow access way for being connected to the nut of fastening on.

5. a kind of long-acting vacuum refreshing lid according to claim 4, which is characterized in that be equipped on the outside of the ball groove groove or Person's ball groove is connected to after the nut and forms a circle groove in junction, and the groove is equipped with the O-ring of adaptation, the O shape Circle is adapted to the air-flow access way interference of the lid.

6. a kind of long-acting vacuum refreshing lid according to claim 1, which is characterized in that the inside below the nut outer wall Equipped with one or several centers of circle being evenly distributed to detent, the center of circle is inwardly protruding to detent, and the center of circle is to detent two Side wall is equipped with vertical gap where side.

7. a kind of long-acting vacuum refreshing lid according to claim 6, which is characterized in that be equipped with below the lid screw thread with The center of circle is adapted to the center of circle to detent to the corresponding card slot being recessed inwardly of detent, the card slot.

8. a kind of long-acting vacuum refreshing lid according to claim 6, which is characterized in that the inside below the nut outer wall Equipped with one or several circumference being evenly distributed to detent, the circumference is distributed to detent by spiral locking direction from high to low.

9. a kind of long-acting vacuum refreshing lid according to claim 8, which is characterized in that on the lid screw thread lower outer Equipped with, to the corresponding lid detent of detent, when being threaded to bottom, the lid detent withstands the circumference to detent with the circumference.

10. a kind of long-acting vacuum refreshing lid according to claim 1, which is characterized in that the cushion rubber lower part is equipped with outside And retrousse preload portion.