CN207029939U - Preserving jar vacuum cover - Google Patents

Abstract

The utility model aim to provide it is a kind of it is simple in construction, wide-mouth preserving jar can be vacuumized immediately or immediately pressure release preserving jar vacuum bottle cap.The utility model includes lid, it is surrounded with the downside of lid and close to the position at edge the groove being adapted with the tank mouth of preserving jar, the first sealing ring is provided with groove, chamber is additionally provided with lid, it is combined with chamber by (the first back-moving spring and vacuumizes briquetting, vacuumize after briquetting coordinates with chamber and form evacuated chamber, the bottom of chamber is provided with the vacuum orifice with the intracavity inter-connection of preserving jar, check valve is combined with vacuum orifice, circulation pressing vacuumizes briquetting, the inner chamber of preserving jar is evacuated, pressure relief device is additionally provided with lid, the outer end of pressure relief device is exposed on lid, press pressure relief device, air pressure in preserving jar recovers normal pressure.The utility model is applied to vacuum equipment field.

Description

Preserving jar vacuum cover

Technical field

Vacuum equipment field is the utility model is related to, it is more particularly to a kind of especially to be used in preserving jar on wide-mouth preserving jar Be used for vacuumize the preserving jar vacuum cover to form vacuum environment immediately.

Background technology

Preserving jar is seen everywhere in life, such as the large-scale preserving jar, the bottle storage that are used to store dried food and nuts in shop or supermarket Thing tank etc., and for example it is used for the preserving jar for storing dry product food etc. in the family.In the prior art, these preserving jars are all without exception Preserving jar is directly covered and plays memory function by ground just with bottle cap.And this mode is after bottle cap covers, in tank body Partial air can be retained, this can be caused, and the food holding time is too short in tank body or even the phenomenon of food spoilage occurs, does not have The effect of preservation.In addition, for small bottleneck holding vessel, also there is doing using Vacuuming structure combination bottle cap in the prior art Method, as vacuum wine-bottle utilizes the structure vacuumized to protect the air extraction in bottle, this wine that may be such that in bottle Deposit the longer time.But this Bottle cap structure vacuumized is not appropriate for for wide-mouth preserving jar, one is this small bottleneck Vacuum bottle cap can relatively easily be opened and is not easy in wide-mouth preserving jar by the vacuum bottle cap of structure in the presence of manpower Directly opened with manpower, result even in preserving jar damage.For wide-mouth preserving jar, if design one kind can be let out at any time Pressure and the device that can be vacuumized at any time, then can solve the above problems well.

Utility model content

Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of simple in construction, true Reciprocal of duty cycle it is good and wide-mouth preserving jar can be vacuumized immediately or immediately pressure release preserving jar vacuum bottle cap.

Technical scheme is used by the utility model：The utility model includes lid, is set in the downside of the lid There is the groove being adapted with the tank mouth of preserving jar, the first sealing ring is provided with the groove, also set up on the lid There is chamber, be combined with the chamber by (the first back-moving spring and vacuumize briquetting, the edge for vacuumizing briquetting It is described to vacuumize pressing to be slidingly sealed cooperation and food-grade-lubricant being filled with cooperation between the inwall of the chamber Block and the chamber form evacuated chamber after coordinating, the bottom of the chamber is provided with true with taking out for the intracavity inter-connection of preserving jar Eat dishes without rice or wine, check valve is combined with the vacuum orifice, vacuumizes briquetting described in circulation pressing, the inner chamber of preserving jar is pumped into very Dummy status, pressure relief device is additionally provided with the lid, the outer end of the pressure relief device is exposed on the lid, presses institute State pressure relief device, the air pressure in preserving jar recovers normal pressure.

Such scheme is visible, and by setting the first sealing ring in groove, the tank mouth of the first sealing ring and preserving jar is along phase Coordinate, this ensure that the sealing effectiveness of preserving jar first；And vacuum orifice is corresponding with the inner chamber of preserving jar, it is described vacuumize by It is to be slidingly sealed to coordinate and be filled with cooperation food-grade-lubricant, food between the inwall of the edge of briquetting and the chamber Grade-lubricant is likewise supplied with sealing effectiveness；When briquetting is vacuumized described in pressing, the check valve closes the vacuum orifice, institute The air stated in chamber is discharged from the exhaust ports, and the pressure in chamber tapers into；When briquetting is vacuumized described in release Under the resilient force of (the first back-moving spring, it is described vacuumize briquetting and promoted move up, now, the space of chamber becomes Greatly, the pressure of chamber is lower than the pressure in preserving jar inner chamber, and the check valve is washed open automatically by air pressure, the air quilt in preserving jar It is retracted in the chamber, the air pressure in air pressure and preserving jar in chamber reaches balance；Again pressing is vacuumized described in pressing During block, the clogging vacuum orifice of check valve, the air in chamber is during vacuumizing briquetting and pushing from exhaust outlet Place's discharge, so circulation, until forming vacuum in preserving jar, vacuum is completely in so as to ensure to be stored in the article in preserving jar State, the memory function of preserving jar is set to be guaranteed, it is only necessary to which pressing is described several times to be vacuumized briquetting and can be completely achieved and take out Vacuum, its simple operation；In addition, pressure relief device is set on lid, when needing to take out article from preserving jar, as long as pressing The pressure relief device, you can realize the pressure release of preserving jar inner chamber, so as to open the bottle cap easily, realize and vacuumize immediately or i.e. When pressure release.

Further, the briquetting that vacuumizes is made up of the outdoor handle of fit with inner handle, the outdoor handle with it is described The opening position of inner handle phase fit formed with locating slot, on the outdoor handle and positioned at the upper edge of the locating slot be provided with to A few exhaust outlet, the second sealing ring, outer and the chamber of second sealing ring are combined with the locating slot Inwall is fitted and seals cooperation, and gap is left between the interior edge of second sealing ring and the bottom land of the locating slot, described The outer diameter diametrically than the outer of second sealing ring of inner handle is small, from the lower edge of second sealing ring with it is described fixed The exhaust is arrived in gap between the lower edge of position groove again to the gap between second sealing ring and the bottom land of the locating slot Mouthful formation exhaust duct, when vacuumizing briquetting described in pressing, second sealing ring be located in the locating slot and described in The upper edge of locating slot, now the air in the evacuated chamber discharged from the exhaust outlet；Briquetting is vacuumized described in release When, the (the first back-moving spring promote described in vacuumize briquetting and move up, second sealing ring is located at the locating slot Lower edge interior and close to the locating slot, the exhaust duct are closed, and now the check valve is opened, the air in preserving jar It is drawn into the evacuated chamber, then presses described when vacuumizing briquetting, the closed check valve, the exhaust duct is beaten To open, the air in the evacuated chamber is discharged, and briquetting is vacuumized described in circulation pressing, finally, the evacuated chamber and storage The inner chamber of thing tank is in vacuum state, now, the position for vacuumizing briquetting and being under being pressed, the evacuated chamber Interior spatial volume is minimum.

Such scheme is visible, and briquetting is vacuumized with being combined into by outdoor handle and inner handle, and outdoor handle and inner handle Locating slot is formed after cooperation, the upper edge of locating slot is provided with exhaust outlet, from lower edge and the locating slot of second sealing ring Lower edge between gap arrive the exhaust degree of lip-rounding again to the gap between second sealing ring and the bottom land of the locating slot Into exhaust duct, pressing or when vacuumizing briquetting described in unclamping, upper edge and lower edge of second sealing ring in locating slot it Between move and chamber is formed sealing or the exhaust duct is opened and air in chamber is discharged from exhaust ports, the letter of its structure Single, sealing property is good, good reliability, is provided safeguard for the work that vacuumizes of preserving jar；And work as the evacuated chamber and preserving jar Inner chamber be in vacuum state, now, the position for vacuumizing briquetting and being under being pressed, in the evacuated chamber Spatial volume is minimum, and this is due to that vacuum state is in the evacuated chamber and preserving jar, and in external atmosphere pressure Under effect, the elastic force of the (the first back-moving spring is overcome, it is described vacuumize briquetting and be compressed to be pressed against lowest order The state put, and due to the resilient force of (the first back-moving spring, it is whole described to vacuumize briquetting and remain one The trend moved up, it is lower along opening position that is, described in the locating slot all the time that this allows for second sealing ring Second sealing ring seals cooperation between the inwall of the outer of the inner handle and the evacuated chamber all the time, now, preserving jar Interior vacuum state is more stable.

Further, the inwall on the surface of second sealing ring, the outer of the inner handle and the evacuated chamber Be smooth setting, second sealing ring be located at the locating slot it is lower along when, second sealing ring just seals cooperation Between the inwall of the evacuated chamber and the outer of the inner handle.

Such scheme is visible, by the surface of second sealing ring, the outer of the inner handle and the evacuated chamber Inwall be disposed as it is smooth, and second sealing ring be located at the locating slot it is lower along when, second sealing ring is just close Envelope coordinates between the inwall of the evacuated chamber and the outer of the inner handle, exactly the second sealing ring, the inner handle Smooth setting between the inwall of outer and the evacuated chamber, coordinating with being combined into sealing between three is just ensure that, and then It ensure that whole evacuated chamber realizes in the case where vacuumizing briquetting pressing or unclamping to vacuumize and persistently keep vacuum shape State, ensure in preserving jar in vacuum, hypoxemia, it is dustless, without steam, without going mouldy.

Yet further, the pressure relief device include be exposed on the lid pressing handle, be set in the pressing Second back-moving spring, cooperation on handle in the fixed block for pressing handle, at its lower end and are arranged on the fixed block periphery 3rd sealing ring, stepped hole being provided with the lid, the upper end of the second back-moving spring is withstood on the pressing handle, Lower end is withstood on the stepped hole, the fixed block from the lower section of the stepped hole through the stepped hole and with the pressing hand Handle phase snap-fit, the 3rd sealing ring are located at the downside of the stepped hole.

Such scheme is visible, and the pressure relief device can carry out pressure release to preserving jar immediately, and pass through second back-moving spring Realize and reset control, its is simple in construction, easy to operate, good reliability.

Again further, air exhaust loop is provided with vacuum orifice, some exhausts are surrounded with the air exhaust loop Groove, the check valve include plug body part and Access Division, and the Access Division is located at through the vacuum orifice and the plug body part The upside of the vacuum orifice, some air slots is provided with the Access Division, the air slot is relative with the air discharge duct to be set Put.

Such scheme is visible, passes through the cooperation of air exhaust loop and check valve so that the stable cooperation of check valve and vacuum orifice, And the aperture of vacuum orifice is controllable, avoids because vacuum orifice is excessive and cause the article in preserving jar to be overflow at vacuum orifice Go out so congestion described in vacuum orifice, ensure that safety and reliability；In addition, the setting of air exhaust loop also functions to dust-proof work With preventing the article in preserving jar from entering in evacuated chamber and polluting evacuated chamber, while be also prevented from by institute in preserving jar The article of splendid attire is too full and blocks vacuum orifice.

Again yet further, it is provided with the spill being engaged with the tank mouth of preserving jar on the downside of first sealing ring Groove.As can be seen here, the Baltimore groove for setting the tank mouth with preserving jar to match on the downside of the first sealing ring, it ensures bottle cap It is closely fit with preserving jar and ensure that sealing.

In addition, the cross section of the outdoor handle is in heart font or circle or ellipse.As can be seen here, using heart font or circle The outdoor handle of shape or ellipse, one add the aesthetic property of bottle cap, and pressing is vacuumized described in hand pressing the second is ensure that The contact area of block, ensure the validity and comfortableness of pressing.

Brief description of the drawings

Fig. 1 is configuration schematic diagram of the present utility model；

Fig. 2 is the first visual angle easy structure schematic diagram of the present utility model；

Fig. 3 is cross section structure diagram of the present utility model；

Fig. 4 is the easy structure schematic diagram after the utility model coordinates with preserving jar；

Fig. 5 is Fig. 4 simple cross section structure diagram；

Fig. 6 is the easy structure schematic diagram of the air exhaust loop.

Embodiment

As shown in Figures 1 to 6, the utility model includes lid 1, and in the present embodiment, the lid 1 is by cover 1a and outside 1b compositions are covered, cover 1a and enclosing cover 1b are combined as a whole.It is surrounded with the downside of the lid 1 and close to the position at edge The groove 3 being adapted with the tank mouth of preserving jar 2, the first sealing ring 4 is provided with the groove 3, first sealing ring 4 The Baltimore groove 41 being engaged with the tank mouth of preserving jar 2 is provided with downside.Chamber 5 is additionally provided with the lid 1, in institute State to be combined with by (the first back-moving spring 6 on chamber 5 and vacuumize briquetting 7, the edge for vacuumizing briquetting 7 and the chamber To be slidingly sealed cooperation and food-grade-lubricant being filled with cooperation between the inwall of room 5, the food-grade-lubricant adds Enter be in order that must vacuumize between the edge of briquetting 7 and the inwall of the chamber 5 be slidably matched it is more smooth, and ensure Both service life of relative motion, in addition, the addition of food-grade-lubricant also ensures the better tightness of cooperation.At this In embodiment, the food-grade-lubricant can be the food-grade-lubricant of versatility, can also be the food-grade profit of synthesis type Lubrication prescription, such as PAO (synthesis hydrocarbon) type, silicone oil, perfluoroalkyl polyether type.Described vacuumize after briquetting 7 coordinates with the chamber 5 is formed Evacuated chamber, the bottom of the chamber 5 are provided with and the vacuum orifice of the intracavity inter-connection of preserving jar 2 51, the vacuum orifice Check valve 8 is combined with 51, vacuumizes briquetting 7 described in circulation pressing, the inner chamber of preserving jar 2 is evacuated state.It is described Vacuumize briquetting 7 to be made up of with inner handle 72 outdoor handle 71 of fit, the cross section of the outdoor handle 71 is in heart font or circle Shape or ellipse.The opening position of the outdoor handle 71 and the phase fit of inner handle 72 is formed with locating slot 73, in the right-hand side At least one exhaust outlet 74 is provided with handle 71 and positioned at the upper edge of the locating slot 73, in the present embodiment the number of exhaust outlet 74 Mesh is arranged to three；The second sealing ring 9, outer and the chamber of second sealing ring 9 are combined with the locating slot 73 The inwall of room 5 fits and seals cooperation, between being left between the interior edge of second sealing ring 9 and the bottom land of the locating slot 73 Gap, the outer diameter diametrically than the outer of second sealing ring 9 of the inner handle 72 is small, from second sealing ring 9 Gap between lower edge and the lower edge of the locating slot 73 is between second sealing ring 9 and the bottom land of the locating slot 73 Gap arrives the exhaust outlet 74 and forms exhaust duct again, and when vacuumizing briquetting 7 described in pressing, second sealing ring 9 is located at institute State in locating slot 73 and close to the upper edge of the locating slot 73, now the air in the evacuated chamber is from the exhaust outlet 74 Discharge；When briquetting 7 is vacuumized described in release, the (the first back-moving spring 6 promote it is described vacuumize briquetting 7 and move up, Second sealing ring 9 is located in the locating slot 73 and is closed close to the lower edge of the locating slot 73, the exhaust duct, this Shi Suoshu check valves 8 are opened, and the air in preserving jar 2 is drawn into the evacuated chamber.Press again it is described vacuumize by During briquetting 7, the check valve 8 is closed, and the exhaust duct is opened, and the air in the evacuated chamber is discharged, circulation pressing institute State and vacuumize briquetting 7, finally, the evacuated chamber and the inner chamber of preserving jar 2 are in vacuum state, now, described to take out very Empty briquetting 7, which is in, is pressed lower position, and the spatial volume in the evacuated chamber is minimum.More specifically, described The inwall on the surface of two sealing rings 9, the outer of the inner handle 72 and the evacuated chamber is smooth setting, and described second is close Seal 9 be located at the locating slot 73 it is lower along when, second sealing ring 9 just seal coordinate the evacuated chamber inwall Between the outer of the inner handle 72.After being fitted close between above-mentioned three, it can ensure to remain in preserving jar Vacuum state.In the present embodiment, the detailed process vacuumized is as follows：When briquetting 7 is vacuumized described in pressing, the check valve The 8 closure vacuum orifices 51, the air in the chamber 5 are discharged at the exhaust outlet 74, and the pressure in chamber 5 gradually becomes It is small；When briquetting 7 is vacuumized described in release under the reset response of (the first back-moving spring 6, the briquetting 7 that vacuumizes is promoted Move up, now, the space of chamber becomes big, and the pressure of chamber is lower than the pressure in preserving jar inner chamber, and the check valve is by gas Pressure is washed open automatically, and the air in preserving jar is extracted in the chamber, and the air pressure in air pressure and preserving jar in chamber reaches Balance；Again described in pressing when vacuumizing briquetting 7, the clogging vacuum orifice 51 of check valve 8, the air in chamber is being taken out Vacuum briquetting 7 is discharged during pushing from exhaust duct, so circulation, until vacuum is formed in preserving jar, so as to ensure to store up The article existed in preserving jar is completely in vacuum state.Now, the position for vacuumizing briquetting 7 and being under being pressed, I.e. described (the first back-moving spring is in compressive state, and this is due to be in vacuum state in the evacuated chamber and preserving jar 2, And in the presence of external atmosphere pressure, the elastic force of the (the first back-moving spring 6 is overcome, and the briquetting 7 that vacuumizes is pressed The state for being pressed against extreme lower position is reduced to, now, the vacuum state in preserving jar 2 is more stable.

Pressure relief device is additionally provided with the lid 1, the outer end of the pressure relief device is exposed on the lid 1, pressed Press the pressure relief device, the air pressure in preserving jar 2 recovers normal pressure.The pressure relief device include be exposed on the lid 1 by Pressure handle 10, the second back-moving spring 11 being set on the pressing handle 10, coordinate consolidating in the pressing lower end of handle 10 Determine block 12 and the 3rd sealing ring 13 being arranged on the periphery of fixed block 12, stepped hole 14, institute are provided with the lid 1 The upper end for stating second back-moving spring 11 is withstood on the pressing handle 10, and lower end is withstood on the stepped hole 14, the fixed block 12 press the phase snap-fit of handle 10 from the lower section of the stepped hole 14 through the stepped hole 14 and with described, and the described 3rd is close Seal 13 is located at the downside of the stepped hole 14.

Air exhaust loop 15 is provided with vacuum orifice 51, some air discharge ducts 151, institute are surrounded with the air exhaust loop 15 State check valve 8 and include plug body part 81 and Access Division 82, the Access Division 82 passes through the vacuum orifice 51 and the plug body part 81 are located at the upside of the vacuum orifice 51, are provided with some air slots 821 on the Access Division 82, the air slot 821 with The air discharge duct 151 is oppositely arranged.

The utility model is simple in construction, simple to operate, and different radii can be set for the preserving jar with different bores Bottle cap.It is especially suitable for for wide-mouth preserving jar, can be vacuumized immediately or instant pressure release, and vacuum holding time long enough.

The utility model is applied to vacuum equipment field.

Claims (7)

1. a kind of preserving jar vacuum bottle cap, including lid（1）, it is characterised in that：In the lid（1）Downside be provided with Preserving jar（2）The groove that is adapted of tank mouth（3）, in the groove（3）Inside it is provided with the first sealing ring（4）, in the lid （1）On be additionally provided with chamber（5）, in the chamber（5）On pass through (the first back-moving spring（6）It is combined with and vacuumizes briquetting（7）, It is described to vacuumize briquetting（7）Edge and the chamber（5）Inwall between for be slidingly sealed cooperation and at cooperation fill There is food-grade-lubricant, it is described to vacuumize briquetting（7）With the chamber（5）Evacuated chamber, the chamber are formed after cooperation（5） Bottom be provided with and preserving jar（2）Intracavity inter-connection vacuum orifice（51）, the vacuum orifice（51）Place is combined with list To valve（8）, circulate and vacuumize briquetting described in pressing（7）, preserving jar（2）Inner chamber be evacuated state, the lid（1） On be additionally provided with pressure relief device, the outer end of the pressure relief device is exposed to the lid（1）On, the pressure relief device is pressed, Preserving jar（2）Interior air pressure recovers normal pressure.

2. preserving jar vacuum bottle cap according to claim 1, it is characterised in that：It is described to vacuumize briquetting（7）By covering The outdoor handle of conjunction（71）With inner handle（72）Composition, the outdoor handle（71）With the inner handle（72）The opening position shape of phase fit Into there is locating slot（73）, in the outdoor handle（71）Go up and be located at the locating slot（73）Upper edge be provided with least one exhaust Mouthful（74）, in the locating slot（73）Inside it is combined with the second sealing ring（9）, second sealing ring（9）Outer and the chamber Room（5）Inwall fit and seal cooperation, second sealing ring（9）Interior edge and the locating slot（73）Bottom land between Leave gap, the inner handle（72）It is outer diametrically than second sealing ring（9）Outer diameter it is small, from described second Sealing ring（9）Lower edge and the locating slot（73）Lower edge between gap to second sealing ring（9）With the positioning Groove（73）Bottom land between gap arrive the exhaust outlet again（74）Exhaust duct is formed, briquetting is vacuumized described in pressing（7）When, Second sealing ring（9）Positioned at the locating slot（73）The interior and close locating slot（73）Upper edge, it is now described take out it is true Air in empty room is from the exhaust outlet（74）Middle discharge；Briquetting is vacuumized described in release（7）When, the (the first back-moving spring （6）Briquetting is vacuumized described in promotion（7）Move up, second sealing ring（9）Positioned at the locating slot（73）It is interior and lean on The nearly locating slot（73）Lower edge, the exhaust duct is closed, now the check valve（8）It is opened, preserving jar（2）Interior Air is drawn into the evacuated chamber, then is pressed and described vacuumized briquetting（7）When, the check valve（8）Close, it is described Exhaust duct is opened, and the air in the evacuated chamber is discharged, and briquetting is vacuumized described in circulation pressing（7）, it is finally, described to take out Vacuum chamber and preserving jar（2）Inner chamber be in vacuum state, it is now, described to vacuumize briquetting（7）Under being pressed Position, the spatial volume in the evacuated chamber are minimum.

3. preserving jar vacuum bottle cap according to claim 2, it is characterised in that：Second sealing ring（9）Surface, The inner handle（72）Outer and the inwall of the evacuated chamber be smooth setting, second sealing ring（9）Positioned at institute State locating slot（73）It is lower along when, second sealing ring（9）Just sealing coordinate the evacuated chamber inwall with it is described Inner handle（72）Outer between.

4. preserving jar vacuum bottle cap according to claim 1, it is characterised in that：The pressure relief device includes being exposed to institute State lid（1）On pressing handle（10）, be set in the pressing handle（10）On second back-moving spring（11）, coordinate institute State pressing handle（10）The fixed block of lower end（12）And it is arranged on the fixed block（12）The 3rd sealing ring on periphery（13）, The lid（1）On be provided with stepped hole（14）, the second back-moving spring（11）Upper end withstand on the pressing handle（10） On, lower end withstands on the stepped hole（14）On, the fixed block（12）From the stepped hole（14）Lower section pass through the step Hole（14）And with the pressing handle（10）Phase snap-fit, the 3rd sealing ring（13）Positioned at the stepped hole（14）Under Side.

5. the preserving jar vacuum bottle cap according to Claims 2 or 3, it is characterised in that：In vacuum orifice（51）Place is set There is air exhaust loop（15）, the air exhaust loop（15）On be surrounded with some air discharge ducts（151）, the check valve（8）Include plug Body portion（81）And Access Division（82）, the Access Division（82）Through the vacuum orifice（51）And the plug body part（81）Positioned at institute State vacuum orifice（51）Upside, the Access Division（82）On be provided with some air slots（821）, the air slot（821）With The air discharge duct（151）It is oppositely arranged.

6. preserving jar vacuum bottle cap according to claim 1, it is characterised in that：First sealing ring（4）Downside It is provided with face and preserving jar（2）The Baltimore groove that is engaged of tank mouth（41）.

7. preserving jar vacuum bottle cap according to claim 2, it is characterised in that：The outdoor handle（71）Cross section be in Heart font or circle or ellipse.