CN206645260U

CN206645260U - A kind of closure of vacuum-pumping

Info

Publication number: CN206645260U
Application number: CN201720306802.4U
Authority: CN
Inventors: 杨艳琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-27
Filing date: 2017-03-27
Publication date: 2017-11-17
Anticipated expiration: 2027-03-27

Abstract

A kind of closure of vacuum-pumping, including upper box cover and the lower casing that can be tightly connected with container, the upper box cover is connected with each other composition closure with lower casing, sleeve is additionally provided with the lower casing, and the upper end of the sleeve between upper box cover and lower casing and is provided with upward opening, the closure also includes vacuum extractor, the vacuum extractor includes the pumping piston in the sleeve, the pumping being connected on the upper box cover with the pumping piston upper end is shaken hands, and the air inlet port communicated with the lower casing lower surface is offered on the lower end of the sleeve.Piston is evacuated by pulling, air in container is entered in sleeve from air inlet port, and it is drawn to from sleeve outside container, so that internal air discharge, simple structure, which realizes, takes the air in container away, the food in container or object is set to be in a vacuum environment for drying sealing, so as to reach the fresh-keeping purpose never degenerated or stored for a long time.

Description

A kind of closure of vacuum-pumping

Technical field：

It the utility model is related to a kind of closure, more particularly to a kind of closure of vacuum-pumping.

Background technology：

It is used to preserve food, the container for the article that can go bad in the market, typically using sealing structure, by food seal So as to reach the fresh-keeping purpose never degenerated or stored for a long time in container, but matter is difficult to ensure that to preserve only with sealing structure Amount, often occur sealing bad and causing to go bad, in order to reach more preferable preservation effect, existing can also take vacuumizes Mode makes the food in container or object be in a vacuum environment for drying sealing, but the complicated and application is not wide It is general so that using receiving limitation significantly.

Utility model content：

To solve the problems, such as container vacuum-pumping structure complexity of the prior art, the utility model provides one kind and can taken out very Empty closure.

A kind of closure of vacuum-pumping, including upper box cover and can with container be tightly connected lower casing, the upper box cover Composition closure is connected with each other with lower casing, it is characterised in that sleeve, and the upper end of the sleeve are additionally provided with the lower casing Between upper box cover and lower casing and upward opening is provided with, the closure also includes vacuum extractor, described to vacuumize The pumping that device is connected including the pumping piston in the sleeve, on the upper box cover with the pumping piston upper end Handle, and the air inlet port communicated with the lower casing lower surface is offered on the lower end of the sleeve.

A kind of closure of vacuum-pumping as described above, it is characterised in that be additionally provided with the air inlet port and unidirectionally enter Air valve.

A kind of closure of vacuum-pumping as described above, it is characterised in that the lower end of the upper box cover is provided with concave up The first sunken accommodating cavity, first accommodating cavity is interior to be provided with the through hole communicated with the upper surface of the upper box cover, and the pumping is lived The upper end of plug is extended on the through hole, and the pumping handle is evacuated the upper of piston positioned at the upper surface of the upper box cover with described End connection.

A kind of closure of vacuum-pumping as described above, it is characterised in that the lower end of the pumping piston is provided with silica gel Circle, the diameter of the silica gel ring are adapted to the internal diameter of the sleeve.

A kind of closure of vacuum-pumping as described above, it is characterised in that also covered on the outer surface of the pumping piston Provided with back-moving spring.

A kind of closure of vacuum-pumping as described above, it is characterised in that the lower end of the lower casing also is provided with upwards The accommodating cavity of depression, the sleeve is located in the middle part of the lower casing, and lower end is located in the accommodating cavity of lower casing, and described accommodating Intracavitary, which is located on the madial wall of the lower casing, is equiped with sealing ring.

A kind of closure of vacuum-pumping as described above, it is characterised in that the closure also includes air releasing device, institute The upper end for stating lower casing is provided with the leakage port connected with lower casing accommodating cavity, and the air releasing device includes being used to block leakage port Strip, be connected with the strip and the discouraged button for driving the strip to move up and down, the strip are located at upper box cover Accommodating cavity in and it is corresponding with the hole on lower casing, the side wall of discouraged button from the upper box cover extend out to upper box cover Outside, and the breach moved up and down for the discouraged button is additionally provided with the outer wall of the upper box cover at the button that loses heart.

A kind of closure of vacuum-pumping as described above, it is characterised in that be additionally provided with the strip and let out positioned at described Seal gasket on gas port, and also it is arranged with second back-moving spring in the strip.

A kind of closure of vacuum-pumping as described above, it is characterised in that also be hinged on the upper surface of the upper box cover Have a Portable handle, the Portable handle is semi-circular, and the upper surface of the upper box cover along its outer rim be arranged with it is described portable First groove of handle form fit, the Portable handle are placed in the groove and can rotated relative to hinged place, the upper box The upper surface of lid is additionally provided with the second groove for placing the pumping handle.

A kind of closure of vacuum-pumping as described above, it is characterised in that set on the lower end inside wall of the lower casing There is the connecting portion that can be connected with container.

Compared with prior art, the utility model has the following advantages：

1st, the utility model on closure by adding vacuum extractor, after lower casing is sealedly connected on container, Piston is evacuated by pulling, the air in container is entered in sleeve from air inlet port, and is drawn to from sleeve outside container, from And making the air discharge of inside, simple structure, which realizes, takes the air in container away, makes at the food or object in container In the vacuum environment that one is dried sealing, so as to reach the fresh-keeping purpose never degenerated or stored for a long time.

2nd, the utility model is provided with air releasing device also on closure, the container after being evacuated because inside and outside differential pressure is big, The situation for being difficult to open can be usually run into, first passing through air releasing device when opening will be in communication with the outside in container by leakage port, Extraneous air can be entered in container, you can easily open closure, it is more convenient that simple structure make it that this product is applicable.

Brief description of the drawings：

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.

A kind of structural representation one of the closure of vacuum-pumping of Fig. 1 the utility model；

A kind of structural representation two of the closure of vacuum-pumping of Fig. 2 the utility model；

Fig. 3 is the structural blast schematic diagram of closure；

Fig. 4 is Fig. 1 Section A-A schematic diagram；

Fig. 5 is the schematic diagram that Fig. 4 is evacuated piston pull-up.

Embodiment：

In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example only to explain the utility model, is not used to limit the utility model.

As shown in Figures 1 to 5, a kind of closure of vacuum-pumping, including upper box cover 1 and can with container be tightly connected under Lid 2, the upper box cover 1 are connected with each other composition closure with lower casing 2, sleeve 6 are additionally provided with the lower casing 2, and described The upper end of sleeve 6 is between upper box cover 1 and lower casing 2 and is provided with upward opening, and the closure also includes vacuum means Put, the vacuum extractor is lived including the pumping piston 5 in the sleeve, on the upper box cover 1 with the pumping The pumping handle 4 of 5 upper ends connection is filled in, and the air inlet communicated with the lower surface of lower casing 2 is offered on the lower end of the sleeve 6 Duct 601.The utility model on closure by adding vacuum extractor, after lower casing is sealedly connected on container, leads to To cross and pull pumping piston, the air in container is entered in sleeve from air inlet port, and is drawn to from sleeve outside container, so as to Make the air discharge of inside, simple structure, which realizes, takes the air in container away, is in the food in container or object One vacuum environment for drying sealing, so as to reach the fresh-keeping purpose never degenerated or stored for a long time.

A kind of closure of vacuum-pumping as described above, breather cheek valve 7 is additionally provided with the air inlet port 601.It is single Play a part of completely cutting off air in sleeve to intake valve to connect with tainer air, only allow the air in pumping in container to enter Enter into sleeve, the air in non-pumping state sleeve can not be entered in container, and simple structure realizes the place vacuumized Reason, its low manufacture cost are easy to use.

A kind of closure of vacuum-pumping as described above, the lower end of the upper box cover 1 are provided with first to be recessed upwards and held Chamber is put, the through hole communicated with the upper surface of the upper box cover is provided with first accommodating cavity, the upper end of the pumping piston 5 is prolonged Extend on the through hole, the pumping handle 4 is connected positioned at the upper surface of the upper box cover with the upper end of the pumping piston.Institute The lower end for stating pumping piston is provided with silica gel ring 501, and the diameter of the silica gel ring is adapted to the internal diameter of the sleeve.The pumping is lived Back-moving spring is also arranged with the outer surface of plug.Pumping piston is moved up and down by being evacuated handle, is evacuated the silica gel ring of lower end Coordinate with the inwall of sleeve, the air in sleeve is discharged, its is simple in construction, easy to use.

A kind of closure of vacuum-pumping as described above, what the lower end of the lower casing also was provided with being recessed upwards houses Chamber, the sleeve 6 is located in the middle part of the lower casing, and lower end is located in the accommodating cavity of lower casing 2, and is located in the accommodating cavity Sealing ring 21 is equiped with the madial wall of the lower casing.The lower end inside wall of the lower casing is provided with what can be connected with container Connecting portion 22.The connecting portion is the threaded joints being opened on madial wall.The effect one of lower casing is to maintain and sealing container Sealed connection, by added in junction sealing ring be advantageous to keep long term seal it is air tight.

The closure also includes air releasing device 8, and the upper end of the lower casing 2 is provided with to be connected with the accommodating cavity of lower casing 2 Leakage port 801, strip 802 that the air releasing device includes being used to block leakage port, be connected with the strip and be used to drive The discouraged button 803 that the strip moves up and down, the strip 802 be located in the accommodating cavity of upper box cover and with letting out on lower casing Stomata 801 is corresponding, and the side wall of discouraged button 803 from the upper box cover extend out to the outside of upper box cover, and the upper box The breach moved up and down for the discouraged button is additionally provided with the outer wall of lid at the button that loses heart.Position is additionally provided with the strip In the seal gasket 10 on the leakage port, and second back-moving spring 9 is also arranged with the strip.It is provided with and lets out on closure Device of air, container after being evacuated can usually run into the situation for being difficult to open because inside and outside differential pressure is big, be first passed through when opening Air releasing device will be in communication with the outside in container by leakage port, and extraneous air can be entered in container, you can easily be opened Closure, it is more convenient that simple structure make it that this product is applicable.

A kind of closure of vacuum-pumping as described above, Portable handle 3 is also hinged with the upper surface of the upper box cover, The Portable handle 3 is semi-circular, and the upper surface of the upper box cover is arranged with along its outer rim and matched somebody with somebody with the Portable handle shape The first groove 101 closed, the Portable handle are placed in first groove and can rotated relative to hinged place, the upper box cover Upper surface is additionally provided with the second groove 102 for placing the pumping handle.When not in use, Portable handle and pumping handle are equal It can be placed in the first groove and the second groove, keep the attractive in appearance of product.

The principle of this product：

By hand direct pull pumping handle 4, lifting pumping piston 5 takes air in sleeve 6 away, and the bottom of sleeve 6 is provided with Air inlet port and container UNICOM, air inlet port is interior to be provided with breather cheek valve 7, and when manual pull-up pumping, breather cheek valve 7 is opened, Tainer air, which enters in sleeve 6, to be pumped, and when being evacuated the reset of piston 5, is closed between breather cheek valve 7 and container, sleeve 6 Interior air can not return to container, so move back and forth, the air in container is directly taken away, form vacuum state, lower closing lid 2 Side air releasing device 8 is housed, spring 9 is housed in air releasing device 8, lower that seal gasket 10 is housed, air releasing device 8 passes through spring 9 Increase pressure, prop up seal gasket 10, sealing cut-off is formed between container, when extracting vacuum, outside air can be prevented Into container, when container content has liquid, in spite of vacuum state, liquid leakage can be prevented, under vacuum conditions When needing to open lid, air releasing device 8 is pushed up, allows outside air to enter container, you can easily to open lid.

It is to combine one or more embodiments that particular content provides as described above, does not assert tool of the present utility model Body is implemented to be confined to these explanations.It is all approximate with method of the present utility model, structure etc., identical or new for this practicality Some technology deduction or replace are made under type concept thereof, should all be considered as the scope of protection of the utility model.

Claims

1. a kind of closure of vacuum-pumping, including upper box cover and the lower casing that can be tightly connected with container, the upper box cover with Lower casing is connected with each other composition closure, it is characterised in that sleeve, and the upper end position of the sleeve are additionally provided with the lower casing Between upper box cover and lower casing and upward opening is provided with, the closure also includes vacuum extractor, the vacuum means The pumping being connected with the pumping piston upper end including the pumping piston in the sleeve, on the upper box cover is put to draw Hand, and the air inlet port communicated with the lower casing lower surface is offered on the lower end of the sleeve.

2. the closure of a kind of vacuum-pumping according to claim 1, it is characterised in that be additionally provided with the air inlet port Breather cheek valve.

3. the closure of a kind of vacuum-pumping according to claim 1, it is characterised in that the lower end of the upper box cover is provided with The first accommodating cavity being recessed upwards, first accommodating cavity is interior provided with the through hole communicated with the upper surface of the upper box cover, described The upper end of pumping piston is extended on the through hole, and the pumping handle is lived positioned at the upper surface of the upper box cover and the pumping The upper end connection of plug.

4. the closure of a kind of vacuum-pumping according to claim 3, it is characterised in that the lower end of the pumping piston is set There is silica gel ring, the diameter of the silica gel ring is adapted to the internal diameter of the sleeve.

A kind of 5. closure of vacuum-pumping according to claim 4, it is characterised in that the outer surface of the pumping piston On be also arranged with back-moving spring.

6. the closure of a kind of vacuum-pumping according to claim 5, it is characterised in that the lower end of the lower casing is also set There is concave up sunken accommodating cavity, the sleeve is located in the middle part of the lower casing, and lower end is located in the accommodating cavity of lower casing, and institute State in accommodating cavity and be equiped with sealing ring on the madial wall of the lower casing.

7. the closure of a kind of vacuum-pumping according to claim 6, it is characterised in that the closure also includes losing heart Device, the upper end of the lower casing are provided with the leakage port connected with lower casing accommodating cavity, and the air releasing device includes being used to seal The strip of stifled leakage port, the discouraged button for driving the strip to move up and down, the strip position are connected and are used for the strip In in the accommodating cavity of upper box cover and corresponding with the bleeder port on lower casing, the side wall of discouraged button from the upper box cover is stretched Go out to the outside of upper box cover, and be additionally provided with the outer wall of the upper box cover at the button that loses heart for being moved down on the discouraged button Dynamic breach.

8. the closure of a kind of vacuum-pumping according to claim 7, it is characterised in that be additionally provided with and be located in the strip Seal gasket on the leakage port, and also it is arranged with second back-moving spring in the strip.

9. the closure of a kind of vacuum-pumping according to claim 8, it is characterised in that on the upper surface of the upper box cover Portable handle is also hinged with, the Portable handle is semi-circular, and the upper surface of the upper box cover is arranged with along its outer rim and institute The first groove of Portable handle form fit is stated, the Portable handle is placed in the groove and can rotated relative to hinged place, institute The upper surface for stating upper box cover is additionally provided with the second groove shaken hands for placing the pumping.

10. the closure of a kind of vacuum-pumping according to claim 9, it is characterised in that in the lower end of the lower casing Side wall is provided with the connecting portion that can be connected with container.