CN212797914U

CN212797914U - Novel vacuum preservation box

Info

Publication number: CN212797914U
Application number: CN202020788377.9U
Authority: CN
Inventors: 张英
Original assignee: Ningbo Deep White Industrial Design Co ltd
Current assignee: Ningbo Deep White Industrial Design Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-26
Anticipated expiration: 2030-05-13

Abstract

The utility model provides a novel vacuum preservation box belongs to fresh-keeping device's technical field. A novel vacuum preservation box comprises a box body, a box cover, an air exhaust device and an air inlet valve; the utility model discloses a be provided with holding chamber and inlet port on the lid, air exhaust device inlays respectively with the air inlet valve and locates in holding chamber and the inlet port, realized the integration setting of air exhaust device and lid, need not to dispose independent air exhaust device in addition and carry out the evacuation operation, only need directly press the air exhaust device on the lid can, make the operation more convenient, also avoided simultaneously because of the inconvenient problem of accomodating that other independent configuration air exhaust device brought, the space utilization is more reasonable, more do benefit to the use and the popularization of product.

Description

Novel vacuum preservation box

Technical Field

The utility model relates to a fresh-keeping device's technical field specifically is a novel vacuum preservation box is related to.

Background

In order to preserve convenience foods and the like, a vacuum preservation device is often used, and the rationality of the structure of a vacuum preservation box serving as the vacuum preservation device is a key research point in the industry at present.

At present, the vacuum preservation box on the market generally includes box body and lid, and sets up the extraction opening on the lid to dispose independent air exhaust device in addition, when needs use, install air exhaust device in the extraction opening, take out the air in the box body gradually and form the vacuum. However, in the use, need carry air exhaust device and cooperation use, can only regard as general sealed container to use when not having air exhaust device, cause awkward problem, in addition, two independent detached products need occupy great storage space, and the space is extravagant serious, the use and the popularization of unfavorable product.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, aim at providing a novel vacuum preservation box now to set up the air exhaust device of integral type on the lid, not only made things convenient for and carried, it is more convenient to use, also need not to establish storage space in addition simultaneously, and the space utilization is more reasonable, more does benefit to the use and the popularization of product.

The specific technical scheme is as follows:

a novel vacuum crisper, having the characteristics of comprising:

the box body is provided with an upper opening;

the box cover is arranged on an upper opening of the box body, an accommodating cavity and an air inlet are formed in the box cover, an air exhaust hole communicated with the box body is formed in the cavity bottom of the accommodating cavity, and an air exhaust device and an air inlet valve are respectively arranged in the accommodating cavity and the air inlet hole;

the air exhaust device comprises a first valve, a second valve, a reset spring, an air exhaust barrel body and a pressing shell, one side of a barrel opening of the air exhaust barrel body is slidably arranged in the accommodating cavity, a sealing structure is arranged between the outer wall of the air exhaust barrel body and the inner wall of the accommodating cavity, the pressing shell communicated with the outside is arranged outside the barrel bottom of the air exhaust barrel body, the reset spring is arranged between the air exhaust barrel body and the cavity bottom of the accommodating cavity, an exhaust hole communicated with the pressing shell is formed in the barrel bottom of the air exhaust barrel body, the first valve is arranged on the exhaust hole, and the second valve is arranged on the exhaust hole.

The novel vacuum preservation box comprises a first sealing sheet, a first fixing part and a balancing weight, wherein the first sealing sheet is arranged on the air exhaust hole and located on one side of the containing cavity, the bottom of the first sealing sheet is provided with the first fixing part, the first fixing part is embedded in the cavity bottom of the containing cavity, and the balancing weight is arranged on the upper portion of the first sealing sheet.

Foretell novel vacuum preservation box, wherein, first gasket, first fixed part and balancing weight formula structure as an organic whole, and be the rubber material.

The novel vacuum preservation box comprises a first sealing sheet, a first fixing part and a second sealing sheet, wherein the first sealing sheet is arranged on the air outlet, the first sealing sheet is arranged in the cavity, the second sealing sheet is arranged in the cavity, the first sealing sheet is arranged on the side, close to the air pumping barrel body, of the shell, the second sealing sheet is arranged in the cavity, the second sealing sheet is arranged on the bottom of the second sealing sheet, and the second fixing part is embedded in the bottom of the air pumping barrel body.

The novel vacuum preservation box comprises a supporting block, a long rod and a pull wire, wherein the supporting block is fixed at the bottom of a cavity of the accommodating cavity and located beside an air suction hole, one end of the long rod is fixed on the supporting block, the other end of the long rod is connected with the pull wire, and the other end of the pull wire penetrates through the air exhaust hole and is connected with a second sealing piece.

Foretell novel vacuum preservation box, wherein, the bottom of second gasket and the position that is located the exhaust hole are provided with the hangers, and the acting as go-between is connected on the hangers.

Foretell novel vacuum preservation box, wherein, second gasket, second fixed part and hangers formula structure as an organic whole, and be the rubber material.

The novel vacuum preservation box is characterized in that the long rod is a spring piece.

The novel vacuum preservation box comprises a sleeve, a plug, a pressing block and a compression spring, wherein the air inlet valve comprises the sleeve, the plug is arranged in the sleeve, the pressing block and the compression spring are arranged, one end of the sleeve is provided with a necking and is communicated with a box body through the necking, meanwhile, the plug is arranged in the sleeve and is abutted against the necking, the inner wall of the sleeve is provided with an inner thread which is communicated with the outside and is positioned at one end deviated from the necking, the outer wall of the pressing block is provided with an outer thread matched with the inner thread, a through hole which runs through is formed in the pressing block, a pull head is arranged at one side of the plug deviated from.

Foretell novel vacuum preservation box, wherein, the inner wall of through-hole is regular hexagon and sets up.

The positive effects of the technical scheme are as follows:

foretell novel vacuum preservation box is provided with built-in air exhaust device and air inlet valve through setting up on the lid, has realized the integration of air exhaust device and lid, need not to dispose air exhaust device in addition and carries out the operation of evacuation, only need constantly press down the casing and can accomplish the evacuation operation, convenient operation not only still avoids still setting up the inconvenient problem of accomodating that leads to alone because of a plurality of independent article, and the space utilization is more reasonable, more does benefit to the use and the popularization of product.

Drawings

FIG. 1 is a structural diagram of an embodiment of a novel vacuum preservation box of the present invention;

FIG. 2 is a cross-sectional view of an air extractor in accordance with a preferred embodiment of the present invention;

fig. 3 is a sectional view of an intake valve according to a preferred embodiment of the present invention.

In the drawings: 1. a box body; 2. a box cover; 21. an accommodating cavity; 22. an air inlet; 211. an air exhaust hole; 3. an air extraction device; 31. a first valve; 32. a second valve; 33. a return spring; 34. an air exhaust barrel body; 35. pressing the shell; 36. a sealing structure; 311. a first sealing sheet; 312. a first fixed part; 313. a balancing weight; 321. a second sealing sheet; 322. a second fixed part; 323. hanging a lug; 341. an exhaust hole; 4. an intake valve; 41. A sleeve; 42. a plug head; 43. briquetting; 44. a compression spring; 411. necking; 421. a slider; 5. a tensioning structure; 51. a support block; 52. a long rod; 53. and pulling a wire.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 3, but the following contents are not intended to limit the present invention.

Fig. 1 is a structural diagram of an embodiment of the novel vacuum preservation box of the present invention. As shown in fig. 1, the novel vacuum preservation box provided by this embodiment includes: box body 1, lid 2, air exhaust device 3 and air inlet valve 4, lid 2 detachably sets up on box body 1 to form a sealed space, simultaneously, be provided with air exhaust device 3 and air inlet valve 4 on the lid 2, realize the evacuation operation to box body 1 through air exhaust device 3, make things convenient for depositing of article such as food, and can make things convenient for opening of lid 2 in the external air fills box body 1 through air inlet valve 4.

Specifically, the box body 1 is provided with an upper opening, and articles such as convenience food are put into the box body 1 from the upper opening.

Specifically, lid 2 sets up on the upper portion opening of box body 1 for lid 2 covers on box body 1 back, and box body 1 and lid 2 form a sealed space, and take off the back at lid 2 from box body 1, this moment, for the state that box body 1 was opened. Set up holding chamber 21 and inlet port 22 on the lid 2, holding chamber 21 is also for taking upper portion open-ended structure, and, the aspirating hole 211 of intercommunication box body 1 has been seted up at the bottom of the chamber of holding chamber 21, the condition is provided for follow-up air in the box body 1 is taken out and form the vacuum through aspirating hole 211, and be provided with air exhaust device 3 and air inlet valve 4 in holding chamber 21 and the inlet port 22 respectively, the accommodation space has been provided for air exhaust device 3's arrangement promptly through holding chamber 21, make air exhaust device 3 and lid 2 form the integral type structure, avoided setting up the use that air exhaust device 3 leads to in addition and accomodate inconvenient problem, and can inject the air into to box body 1 interior manual through inlet port 22, the atmospheric pressure inside and outside balanced box body 1, thereby conveniently open lid 2 from box body 1, structural design is more reasonable.

Fig. 2 is a sectional view of an air extractor according to a preferred embodiment of the present invention. As shown in fig. 1 and 2, the air extractor 3 disposed in the accommodating cavity 21 of the box cover 2 further includes a first valve 31, a second valve 32, a return spring 33, an air extracting barrel body 34 and a pressing shell 35, and one side of the opening of the air extracting barrel body 34 is slidably disposed in the accommodating cavity 21, so that the air extracting barrel body 34 is slid up and down, thereby changing the space size of the area where the air extracting barrel body 34 and the accommodating cavity 21 are combined, thereby achieving air extraction and air exhaust, and providing conditions for achieving vacuum extraction. In addition, a sealing structure 36 is arranged between the outer wall of the air exhaust barrel body 34 and the inner wall of the accommodating cavity 21, at this time, the sealing structure 36 can be a sealing ring, so that sealing can be formed between the air exhaust barrel body 34 and the accommodating cavity 21, and the air leakage from the joint of the air exhaust barrel body and the accommodating cavity in the air exhaust and exhaust process is prevented from influencing the vacuum-pumping effect. In addition, the pressing shell 35 communicated with the outside is arranged outside the bottom of the air extracting barrel body 34, so that the air extracting barrel body 34 can be driven by a user conveniently by pressing the shell 35, the air extracting barrel body 34 is protected by pressing the shell 35, the damage problem caused by directly pressing the air extracting barrel body 34 is prevented, in addition, a gap can be conveniently arranged between the air extracting barrel body 34 and the pressing shell 35 in the follow-up process, and convenience is provided for the exhaust of the follow-up second valve 32. Moreover, a return spring 33 is arranged between the air-extracting bucket body 34 and the bottom of the accommodating cavity 21, so that after the air-extracting bucket body 34 is pressed down by pressing the shell 35, the air-extracting bucket body 34 can be lifted up under the action of the return spring 33, thereby providing conditions for the next pressing, and simultaneously providing conditions for the air-extracting bucket body 34 to automatically extract air from the air-extracting hole 211. Moreover, the bottom of the air-extracting barrel body 34 is provided with an air vent 341 communicated with the pressing shell 35, the air-extracting hole 211 is provided with a first valve 31, the air vent 341 is provided with a second valve 32, so that when the air-extracting barrel body 34 is pressed down, the volume of the space formed by the air-extracting barrel body 34 and the accommodating cavity 21 is compressed to form positive pressure, at this time, the first valve 31 is closed, the second valve 32 is opened, the gas required to be exhausted due to volume compression in the space formed by the air-extracting barrel body 34 and the accommodating cavity 21 is exhausted to the outside through the second valve 32, after the air-extracting barrel body 34 is released, the air-extracting barrel body 34 is lifted under the action of the return spring 33, the volume of the space formed by the air-extracting barrel body 34 and the accommodating cavity 21 is gradually increased to form negative pressure, at this time, the first valve 31 is opened, the second valve 32 is closed, so that the air in the box body 1 is sucked into the space formed by the air-extracting barrel, the realization is to the extraction of box body 1 interior air, so repeated interval presses and resets air extraction staving 34, can be gradually with the air escape in the box body 1 for form the vacuum environment in the box body 1, make things convenient for depositing of article such as food.

More specifically, the first valve 31 includes a first sealing sheet 311, a first fixing portion 312 and a weight block 313, the sealing sheet covers the air exhaust hole 211 and is located on one side of the accommodating cavity 21, so that the first sealing sheet 311 can only be sealed from the side where the air exhaust hole 211 is located in the accommodating cavity 21, when air is extracted from the air exhaust hole 211, the first sealing sheet 311 is automatically opened due to negative pressure, when air is exhausted from the air exhaust hole 341, the first sealing sheet 311 is tightly attached to the air exhaust hole 311 due to positive pressure, a condition is provided for one-way opening and closing of the first valve 31, so that the air exhaust hole 211 is blocked, and air exhaust is realized. Moreover, the bottom of the first sealing sheet 311 is provided with the first fixing portion 312, and the first fixing portion 312 is embedded in the cavity bottom of the accommodating cavity 21, so that the first sealing sheet 311 is fixedly mounted in the accommodating cavity 21, the problem of sealing failure caused by movement of the first sealing sheet 311 in the use process is avoided, and the structural design is more reasonable. Simultaneously, be provided with balancing weight 313 in the upper portion of gasket, the weight of multiplicable first gasket 311, make when exhausting through exhaust hole 341, first gasket 311 can be tighter pastes tight aspirating hole 211, guaranteed the reliability sealed to aspirating hole 211, the not thorough problem of exhaust has been prevented, also make simultaneously after follow-up box body 1 forms the vacuum, first gasket 311 can be tighter compress tightly on aspirating hole 211, the problem of leading to vacuum inefficacy because of sealed unstable has been prevented, structural design is more reasonable.

More specifically, first gasket 311, first fixed part 312 and balancing weight 313 formula structure as an organic whole, and be the rubber material, the first valve 31 of integral type structure can make things convenient for the die sinking, and convenient manufacturing reduces manufacturing cost, and in addition, the first valve 31 plasticity of rubber material is good, and elasticity is strong, more is applicable to sealed service environment.

More specifically, the second valve 32 includes a second sealing sheet 321 and a second fixing portion 322, the second sealing sheet 321 covers the air outlet, and a cavity communicated with the outside is disposed on one side of the pressing shell 35 close to the air pumping barrel 34, so that the second sealing sheet 321 can only be opened or sealed towards one side of the outer side of the air pumping barrel 34, when air is exhausted from the air outlet 341, the air outlet 341 is opened by the second sealing sheet 321 due to positive pressure, and when air is pumped from the air pumping hole 211, the bottom of the air pumping barrel 34 is tightly attached to the second sealing sheet 321 due to negative pressure, so that the air outlet can be sealed by the second sealing sheet 321, and air can be better pumped from the box body 1. And, the second gasket 321 sets up in the cavity, for opening of second gasket 321 provides the space of motion, the bottom of second gasket 321 is provided with second fixed part 322, and second fixed part 322 inlays and locates in the bottom of bleeding staving 34 for second gasket 321 accessible second fixed part 322 fixed connection is on the bottom of bleeding staving 34, has prevented in the use that second gasket 321 removes and leads to the problem of sealed inefficacy, and structural design is more reasonable.

More specifically, a tensioning structure 5 is further disposed in a space formed by the suction bucket body 34 and the accommodating cavity 21, the tensioning structure 5 further includes a supporting block 51, a long rod 52 and a pull wire 53, the supporting block 51 is fixed on the cavity bottom of the accommodating cavity 21 and located beside the suction hole 211, one end of the long rod 52 is fixed on the supporting block 51, and the other end of the long rod 52 is connected with the pull wire 53, and the other end of the pull wire 53 passes through the vent hole 341 and is connected with the second sealing piece 321, so that when the suction bucket body 34 ascends under the action of the return spring 33, the suction bucket body 34 drives the second sealing piece 321 to ascend, the second sealing piece 321 is gradually tensioned by the pull wire 53, so that the second sealing piece 321 can be tightly attached to the bucket bottom of the suction bucket body 34, the second sealing piece 321 is more reliable in sealing the vent hole 341, and when the suction bucket body 34 is pressed to move downward, the long rod 52 and the, therefore, the second sealing sheet 321 can open the exhaust hole 341 under the action of positive pressure to exhaust, and the structural design is more reasonable.

More specifically, the bottom of second gasket 321 just is located the position of exhaust hole 341 and is provided with hangers 323, and the stay wire 53 is connected on hangers 323, has made things convenient for first stay wire 53 and second gasket 321's connection through hangers 323, and it is more convenient to assemble, has made things convenient for the production and the manufacturing of product, and structural design is more reasonable.

More specifically, second gasket 321, second fixed part 322 and hangers 323 formula structure as an organic whole, and be the rubber material, and is the same, and the second valve 32 of integral type structure can make things convenient for the die sinking, and convenient production is made, reduces manufacturing cost, and in addition, the second valve 32 plasticity of rubber material is good, and elasticity is strong, more is applicable to sealed service environment.

More specifically, stock 52 is the shell fragment, can be metal shell fragment, also can be the shell fragment of materials such as plastics, can be when second gasket 321 is acted as go-between 53 tautly and air exhaust staving 34 continues to rise, offsets the distance that air exhaust staving 34 continues to rise through the deformation of stock 52, prevents to damage second gasket 321 by pulling, and structural design is more reasonable.

Fig. 3 is a sectional view of an intake valve according to a preferred embodiment of the present invention. As shown in fig. 1 and 3, the air inlet valve 4 disposed in the air inlet 22 of the box cover 2 further includes a sleeve 41, a plug 42, a pressing block 43 and a compression spring 44, and one end of the sleeve 41 is provided with a throat 411 and is communicated with the box body 1 through the throat 411, so that the outside air can enter the box body 1 through the throat 411 of the sleeve 41. Meanwhile, the plug 42 is disposed in the sleeve 41 and abuts against the necking 411, and the necking 411 can be opened and sealed by the plug 42, so that the plug 42 seals the necking 411 when the vacuum environment is pumped, and the plug 42 opens the necking 411 when the box cover 2 needs to be opened. And, on the inner wall of sleeve 41 and be located the one end that deviates from throat 411 and communicate with the external world and be provided with the internal thread, make external air can reach the position of throat 411, satisfy box body 1 internal and external pressure balance's user demand for follow-up opening and closing cooperation through chock plug 42 and throat 411, and, be provided with on the briquetting 43 outer wall with internal thread fit's external screw thread, make briquetting 43 and sleeve 41 be for dismantling the connection, made things convenient for the installation of chock plug 42 in sleeve 41, and be provided with compression spring 44 between briquetting 43 and the chock plug 42, make chock plug 42 seal throat 411 all the time under natural condition, sealed reliability has been guaranteed. And, the briquetting 43 is provided with a through hole, the side of the plug 42 departing from the throat 411 is provided with a slider 421, and the slider 421 extends out of the sleeve 41 from the through hole, at this time, the plug 42 can be pulled away from the throat 411 by the slider 421 extending out of the sleeve 41 from the through hole, so that the plug 42 is separated from the throat 411, and thus outside air can enter the box body 1 from the throat 411 to balance the pressure inside and outside the box body 1, and the box cover 2 is convenient to open.

More specifically, the inner wall of through-hole is regular hexagon setting for briquetting 43 can install in sleeve 41 through instrument such as hexagon socket spanner, has both made things convenient for the assembly, also provides the passageway for the flow of air and the stretching out of pull head 421 simultaneously, and structural design is more reasonable. In addition, in order to make things convenient for the instrument to insert in the through-hole, adopt softer material preparation with pull head 421, like rubber, can be when the instrument inserts the through-hole, the instrument can push down pull head 421, makes things convenient for the cooperation of instrument to use, and it is more convenient to assemble, and simultaneously, in order to prevent the instrument completely to impress pull head 421 in the through-hole and lead to the problem of the follow-up unable auto-eject of pull head 421, the lower extreme that just is located the through-hole in the through-hole is provided with the stopper, prevents that the instrument from excessively stretching into in the through.

The novel vacuum preservation box that this embodiment provided, comprises a box body 1, the lid 2, air exhaust device 3 and air inlet valve 4, be provided with holding chamber 21 and inlet port 22 on the lid 2, air exhaust device 3 inlays respectively in holding chamber 21 and inlet port 22 with air inlet valve 4, the integration setting of air exhaust device 3 and lid 2 has been realized, need not to dispose independent air exhaust device 3 in addition and carry out the evacuation operation, only need directly press air exhaust device 3 on the lid 2 can, make the operation more convenient, the inconvenient problem of accomodating because of independent configuration air exhaust device 3 brings in addition has also been avoided simultaneously, the space utilization is more reasonable, more do benefit to the use and the popularization of product.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. A novel vacuum preservation box is characterized by comprising:

a box body provided with an upper opening;

the air extracting device comprises a first valve, a second valve, a reset spring, an air extracting barrel body and a pressing shell, one side of a barrel opening of the air extracting barrel body is slidably arranged in the containing cavity, a sealing structure is arranged between the outer wall of the air extracting barrel body and the inner wall of the containing cavity, the outside of the barrel bottom of the air extracting barrel body is provided with a pressing shell communicated with the outside, the air extracting barrel body and the space between the cavity bottom of the containing cavity are provided with the reset spring, the barrel bottom of the air extracting barrel body is provided with a communicating hole, the air exhausting hole of the pressing shell is provided with the first valve, and the second valve is arranged on the air exhausting hole.

2. The vacuum preservation box according to claim 1, wherein the first valve comprises a first sealing sheet, a first fixing portion and a weight block, the first sealing sheet covers the air exhaust hole and is located at one side of the accommodating cavity, the first fixing portion is disposed at the bottom of the first sealing sheet, the first fixing portion is embedded in the bottom of the accommodating cavity, and the weight block is disposed at the upper portion of the first sealing sheet.

3. The vacuum preservation box according to claim 2, wherein the first sealing sheet, the first fixing portion and the weight block are of an integral structure and made of rubber.

4. The novel vacuum preservation box according to claim 1, wherein the second valve comprises a second sealing sheet and a second fixing portion, the second sealing sheet is covered on the exhaust hole, a cavity communicated with the outside is formed in one side of the pressing shell close to the air pumping barrel body, the second sealing sheet is arranged in the cavity, the second fixing portion is arranged at the bottom of the second sealing sheet, and the second fixing portion is embedded in the bottom of the air pumping barrel body.

5. The vacuum preservation box according to claim 4, further comprising a tension structure, wherein the tension structure comprises a support block, a long rod and a pull wire, the support block is fixed on the bottom of the accommodating cavity and beside the air suction hole, one end of the long rod is fixed on the support block, the other end of the long rod is connected with the pull wire, and the other end of the pull wire passes through the air discharge hole and is connected with the second sealing piece.

6. The novel vacuum fresh-keeping box of claim 5, wherein a hanging lug is arranged at the position of the exhaust hole at the bottom of the second sealing sheet, and the pull wire is connected to the hanging lug.

7. The vacuum preservation box according to claim 6, wherein the second sealing sheet, the second fixing portion and the hanging lug are of an integral structure and are made of rubber.

8. The new vacuum crisper of claim 5, wherein the long rod is a spring.

9. The novel vacuum preservation box according to claim 1, wherein the air inlet valve comprises a sleeve, a plug, a pressing block and a compression spring, one end of the sleeve is provided with a throat and is communicated with the box body through the throat, meanwhile, the plug is arranged in the sleeve and is abutted against the throat, one end of the inner wall of the sleeve, which is away from the throat, is communicated with the outside and is provided with an internal thread, an external thread matched with the internal thread is arranged on the outer wall of the pressing block, a through hole is arranged on the pressing block, a pull head is arranged on one side of the plug, which is away from the throat, and the pull head extends out of the sleeve from the through hole.

10. The new vacuum preservation box according to claim 9, characterized in that the inner wall of the through hole is in regular hexagon arrangement.