CN212100072U

CN212100072U - Lunch box

Info

Publication number: CN212100072U
Application number: CN202020302864.XU
Authority: CN
Inventors: 胡颖海
Original assignee: Yongkang Xinshidai Industry Co ltd
Current assignee: Yongkang Xinshidai Industry Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-12-08
Anticipated expiration: 2030-03-12

Abstract

The utility model belongs to the technical field of articles for daily use, especially, relate to a lunch-box, the lunch-box includes: the lunch box comprises a lunch box body and a lunch box cover, wherein the lunch box body comprises a shell and the lunch box cover; the lunch box cover is arranged on the shell, an air exhaust cavity is arranged on the lunch box cover, and an air exhaust opening communicated with the interior of the lunch box body is formed in the air exhaust cavity; the air extracting device is arranged on the lunch box cover and comprises a piston, a first sealing component and a second sealing component; the piston is movably arranged in the air pumping cavity and is in sealing fit with the inner wall of the air pumping cavity, and an air exhaust port communicated with the outside is arranged on the piston; the first sealing assembly and the second sealing assembly are respectively arranged at the air suction opening and the air exhaust opening, so that the air suction opening is opened and the air exhaust opening is closed when the piston moves to suck air, and the air exhaust opening is opened and the air suction opening is closed when the piston moves to exhaust air. The embodiment of the utility model provides an in the lunch-box that provides take the inside gas of lunch-box out through the air exhaust device who sets up, make anytime and anywhere to bleed with the whole setting of lunch-box, improved the flexibility of bleeding the lunch-box.

Description

Lunch box

Technical Field

The utility model belongs to the technical field of articles for daily use, especially, relate to a lunch-box.

Background

The lunch box is mainly used for containing food, and along with the development of the times, the function of lunch box is more and more, and traditional fresh-keeping lunch box is equipped with box body and lid usually, and it seals the box body with the air of separation box body inside and outside through the lid to reach fresh-keeping purpose.

However, although the air inside and outside the box body of the traditional fresh-keeping lunch box is not communicated with each other, the air is stored in the box body, and oxygen in the air has an oxidizing effect on food in the box body, so that the fresh keeping of the food is influenced, and the fresh-keeping time is limited. Some vacuum preservation lunch boxes also appear in the market at present, need supporting evacuation equipment (like the air pump) to accomplish the step of evacuation when using, evacuation equipment all brings a lot of inconveniences in using and carrying, and when evacuation equipment damaged, then lead to the preservation lunch box can not accomplish the evacuation step, lead to the preservation lunch box can not play the fresh-keeping effect.

Therefore, air exhaust of the lunch box in the prior art needs to be carried out by means of external equipment, and the air exhaust operation is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a lunch-box aims at solving the problem that the lunch-box among the prior art is not convenient for bleed.

The embodiment of the utility model provides a realize like this, a lunch-box, include:

the lunch box comprises a lunch box body, a lunch box cover and a lunch box cover, wherein the lunch box body comprises a shell and the lunch box cover; the lunch box cover is detachably arranged on the shell, an air suction cavity is arranged on the lunch box cover, and an air suction opening communicated with the inside of the lunch box body is formed in the air suction cavity; and

the air extracting device is arranged on the lunch box cover and comprises a piston, a first sealing assembly and a second sealing assembly; the piston is movably arranged in the air pumping cavity and is in sealing fit with the inner wall of the air pumping cavity, and an air outlet communicated with the outside is formed in the piston; the first sealing assembly and the second sealing assembly are respectively arranged at the air suction opening and the air exhaust opening, so that the air suction opening is opened and the air exhaust opening is closed when the piston moves to suck air, and the air exhaust opening is opened and the air suction opening is closed when the piston moves to exhaust air.

Preferably, a locking mechanism is arranged between the piston and the lunch box body and used for locking the piston to move in the air pumping cavity so that the second sealing assembly closes the air pumping opening.

Preferably, the locking mechanism comprises a locking groove formed in the inner wall of the air exhaust cavity and a locking block arranged on the piston, and the locking block can be inserted into the locking groove along with the rotation of the piston to form locking.

Preferably, the first seal assembly comprises:

a first seal movably disposed at the exhaust port;

the first sealing piece is arranged between the piston and the pressing cover, and is used for setting the first sealing piece so that the first sealing piece can movably open or close the communication between the vent groove and the vent hole.

Preferably, the second seal assembly comprises:

a second seal movably disposed at the suction port;

the limiting piece is arranged in the air exhaust cavity and used for limiting the moving distance of the second sealing piece; and

the pushing piece is arranged between the piston and the second sealing piece, and the pushing piece can push the second sealing piece to seal the air suction port under the driving of the piston.

Preferably, a driving part is arranged on the piston and used for pushing the pushing part to move, and a channel for communicating the exhaust port with the air pumping cavity is arranged on the driving part.

Preferably, a return elastic piece is arranged between the piston and the air suction cavity.

Preferably, the inside storage chamber that is equipped with of lunch-box body, it can dismantle in the storage chamber and be provided with at least one interior box, interior box includes interior lid and interior box shell, interior lid can be dismantled the setting and be in on the interior box shell, be equipped with the gas pocket on the interior lid, the gas pocket can be dismantled and be provided with exhaust silica gel cap.

Preferably, the lunch box body is provided with a pressure relief device for balancing the pressure difference between the inside of the lunch box body and the outside.

Preferably, a tableware placing cavity is formed in the lunch box cover, and a cover plate is rotatably arranged on the tableware placing cavity.

The embodiment of the utility model provides an in the lunch-box through set up air exhaust device on the lunch-box, remove the piston through the push-and-pull and then open in turn constantly and close extraction opening and gas vent, take out the inside gas of lunch-box, easy operation and make anytime and anywhere to bleed with the whole setting of lunch-box, improved the flexibility to bleeding the lunch-box.

Drawings

Fig. 1 is a three-dimensional structure diagram of a lunch box provided by the embodiment of the utility model;

fig. 2 is an explosion schematic view of a three-dimensional structure of a lunch box provided by an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of an exhaust state of the lunch box according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure view of a lunch box in a state when air is extracted according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a pressing cover of a lunch box according to an embodiment of the present invention;

FIG. 6 is a view showing a structure of a lid portion of a lunch box according to an embodiment of the present invention;

fig. 7 is a partial enlarged view of a portion a in fig. 6 according to an embodiment of the present invention;

fig. 8 is an exploded schematic view of an inner box of a lunch box according to an embodiment of the present invention;

fig. 9 is a schematic structural view illustrating an opened state of a tableware placing chamber of a lunch box according to an embodiment of the present invention.

In the drawings: 1. a lunch box body; 2. a housing; 3. a lunch box cover; 31. an air pumping cavity; 311. a limiting sleeve; 312. a limiting bump; 32. an air extraction opening; 4. an air extraction device; 41. a piston; 411. a drive member; 412. a locking block; 42. a first seal assembly; 421. a first seal member; 422. pressing the cover; 423. a vent channel; 424. mounting grooves; 43. a second seal assembly; 431. a second seal member; 432. a limiting member; 433. a pusher member; 44. an exhaust port; 45. a restoring elastic member; 5. a locking mechanism; 6. an inner case; 61. an inner box handle; 62. an exhaust silica gel cap; 63. an inner box cover; 64. an inner box sealing ring; 65. the inner container of the inner box; 66. an inner box thread ring; 67. an inner case outer shell; 7. a pressure relief device; 8. a tableware placing cavity; 9. a cover plate; 10. a handle of the lunch box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-3, wherein fig. 1 is the utility model discloses the spatial structure chart of lunch-box that the embodiment provided, fig. 2 is the utility model discloses the spatial structure explosion chart of a lunch-box that the embodiment provided, fig. 3 is the utility model discloses the cross-sectional structure schematic diagram of the exhaust state of a lunch-box that the embodiment provides, a lunch-box includes:

the lunch box comprises a lunch box body 1, a lunch box cover and a lunch box cover, wherein the lunch box body comprises a shell 2 and the lunch box cover 3; the lunch box cover 3 is detachably arranged on the shell, the lunch box cover 3 is provided with an air suction cavity 31, and the air suction cavity 31 is provided with an air suction port 32 communicated with the interior of the lunch box body; and

the air extracting device 4 is arranged on the lunch box cover 3, and the air extracting device 4 comprises a piston 41, a first sealing component 42 and a second sealing component 43; the piston is movably arranged in the air pumping cavity and is in sealing fit with the inner wall of the air pumping cavity, and an air outlet 44 communicated with the outside is arranged on the piston 41; the first seal assembly 42 and the second seal assembly 43 are provided at the suction port 32 and the exhaust port 44, respectively, so that the piston 41 opens the suction port 32 and closes the exhaust port 44 when moving suction, and the piston 41 opens the exhaust port 44 and closes the suction port 32 when moving exhaust.

The embodiment of the utility model provides an in, the mode that lunch-box body was constituteed at the shell to the lunch-box lid can be dismantled to the setting specifically can be the spiral and can dismantle the screwing up, perhaps draw-in groove fixture block cooperation screws up, and the dismantlement of lunch-box lid in the technical field all can carry out simple deformation according to actual need and use the utility model provides an in the lunch-box that describes, no longer the one-by-one here.

In the embodiment of the present invention, in order to ensure the effective volume of the air pumping cavity, the piston 41 is specially set to be concave, and the cavity of the piston 41 and the cavity on the lunch box cover 3 form a complete air pumping cavity. It is understood that in other embodiments of the present invention, a simple piston can be selected for setting according to actual conditions, mainly aiming at achieving the functions and purposes required by the embodiments of the present invention, and the illustrated piston is not a strictly limited example.

In the embodiment of the present invention, as shown in fig. 3 to 5, wherein fig. 4 is a schematic cross-sectional structure diagram of a state when the lunch box is pumped, and fig. 5 is a schematic structural diagram of the pressing cover, provided in the embodiment of the present invention, the first sealing component 42 includes:

a first sealing member 421, the first sealing member 421 being movably disposed at the exhaust port 44;

the pressing cover 422 is arranged on the piston 41, the pressing cover 422 is provided with a vent groove 423, the vent groove 423 is communicated with the exhaust port 44, and an installation groove 424 is formed between the pressing cover 422 and the piston 41 and is used for arranging a first sealing member 421, so that the first sealing member 421 can move to open or close the communication between the vent groove 423 and the exhaust port 44.

In the embodiment of the present invention, the second sealing assembly 43 includes:

a second seal 431, the second seal 431 being movably provided at the suction port 32;

a limiting member 432, wherein the limiting member 432 is arranged in the air extracting cavity 31 and used for limiting the moving distance of the second sealing member 431; the stopper 432 is only a member for restricting the movement of the second sealing member 431, and does not form a seal, and gas can enter the pumping chamber 31 through the stopper 432, and the stopper 432 may be a frame structure or a cylindrical structure, and a communication hole is provided in the cylindrical stopper to allow the gas to flow therethrough.

The pushing member 433 is arranged between the piston 41 and the second sealing member 431, and the pushing member 433 can push the second sealing member 431 to block the air suction port under the driving of the piston 41.

Specifically, as shown in fig. 3-4, the utility model provides an in the middle of locating part 432 be provided with the mounting hole, impeller 433 sets up in the mounting hole to still be equipped with the shoulder structure of restriction impeller migration distance on the locating part, thereby make the moving range that the impeller removed obtain the restriction, avoid impeller, locating part and second sealing member to take place the dislocation card and die.

In the embodiment of the present invention, as shown in fig. 3 to 4, a driving member 411 is disposed on the piston 41 for pushing the pushing member 433 to move, and a channel for communicating the exhaust port 44 with the air pumping cavity 31 is disposed on the driving member 411. In the embodiment of the present invention, the driving member 411 and the piston 41 are integrally manufactured, and in other embodiments of the present invention, the driving member and the piston can be detachably disposed, so as to achieve the functions to be described in the embodiment of the present invention; meanwhile, as shown in fig. 3 to 4, the contact portion between the driving member 411 and the pushing member 433 is a saw-tooth shape, which may be a regular saw-tooth or an irregular saw-tooth, so that air can flow out from the channel on the driving member 411.

The embodiment of the present invention provides an exhaust action of bleeding can be realized by pushing the piston to move through the pull pressing cap 422, in addition, as shown in fig. 3-4, the elastic component 45 that resets is further provided between the piston 41 and the bleeding cavity 31, the elastic component that resets can be a reset spring, specifically a conical reset spring, one end of the elastic component 45 that resets offsets with the pressing cap, and the other end offsets with the locating part. When the elastic resetting piece 45 jacks up the piston in a normal state, in use and during air exhaust, the pressing cover 422 is pressed to drive the piston 41 to move downwards to compress the elastic resetting piece 45, meanwhile, the piston 41 compresses air in the air exhaust cavity in the downward movement process, the air acts on the second sealing piece 431, the second sealing piece 431 can seal the air exhaust opening to prevent air from flowing back into the lunch box body, and when the piston 41 compresses air in the air exhaust cavity, the air pressure in the air exhaust cavity is increased to extrude the first sealing piece 421 in the mounting groove 424 to move upwards, so that the first sealing piece 421 does not block the vent groove 423 and the exhaust opening 44 any more, the air in the air exhaust cavity flows out from the exhaust opening 44 through the vent groove to realize air exhaust, in addition, the downward movement of the piston 41 also jacks up the pushing piece 433 through the driving piece 411 to push the pushing piece 433 to press the second sealing piece 431, further ensuring that the second seal 431 can seal the pumping port 32; when air is extracted, the pressing cover 422 is pulled upwards or the reset action of the reset elastic piece 45 is utilized to drive the piston 41 to move upwards, meanwhile, the internal space of the air extraction cavity is increased in the upward movement process of the piston 41, so that the air pressure in the air extraction cavity is reduced, the external air pressure presses the first sealing piece to the air outlet on the piston under the condition that the external air pressure is not changed, the air outlet is sealed, the external air of the lunch box cannot enter the air extraction cavity, and because the air pressure in the lunch box body is greater than the air pressure in the air extraction cavity, the air in the lunch box acts on the second sealing piece 431, at the moment, because the piston moves upwards, the driving piece 411 is separated from the pushing piece 433, so that the second sealing piece is not pressed, the second sealing piece 431 is jacked up by the air in the lunch box body 1, so that the air extraction; the process is repeated to continuously exhaust and exhaust, so that the gas in the lunch box can be pumped out as required.

The embodiment of the utility model provides an in, be equipped with locking mechanism between piston 41 and the lunch-box body 1, locking mechanism 5 is used for the locking piston in the removal in the chamber of bleeding to make second seal assembly 43 seal the extraction opening. Specifically, in the embodiment of the present invention, the locking mechanism includes a locking groove formed on the inner wall of the pumping cavity 31 and a locking block 412 formed on the piston 41, and the locking block 412 can be inserted into the locking groove to form a locking structure along with the rotation of the piston 41. As shown in fig. 3-7, wherein fig. 6 is the lunch-box cover part structure view that provides in the embodiment of the utility model, fig. 7 is the partial enlarged view of part a in fig. 6, the locking groove comprises stop collar 311 and the chamber 31 bottom of bleeding out of the chamber 31 inner wall of bleeding out, and stop collar 311 sets up on the chamber 31 inner wall of bleeding out through the fixed mode of chucking, is provided with spacing lug 312 on the stop collar 311, and spacing lug 312 is in the other embodiments of the utility model, can also directly realize the locking function through the mode of seting up the locking groove on inside. The embodiment of the utility model provides a when locking mechanism specifically uses, compress tightly press cover 422 for piston 41 withstands push member 433 through driving piece 411, makes push member 433 compress tightly second sealing member 431, then rotary piston 41 for the latch segment 412 on the piston 41 inserts the below of spacing lug 312, and the locking groove through spacing lug 312 and the formation of bleeding chamber 31 bottom is fixed the piston locking, thereby guarantees the sealed effect of lunch-box after the end of bleeding.

The embodiment of the utility model provides an in, the storage chamber is equipped with inside the lunch-box body 1, can dismantle in the storage chamber and be provided with at least one interior box 6, wherein interior box can set up two or more and stack in the storage chamber, only shows the condition of one interior box here. Specifically, the storage cavity can be a heat preservation inner container arranged inside the shell, and the inner box 6 is placed inside the heat preservation inner container as the storage cavity. As shown in fig. 8, which is a schematic diagram of an explosive structure of an inner box provided in an embodiment of the present invention, wherein the inner box 6 includes an inner box handle 61, an air-out silicone cap 62, an inner box cover 63, an inner box sealing ring 64, an inner box liner 65, an inner box threaded ring 66, and an inner box outer shell 67, wherein the inner box handle is rotatably disposed on the inner box cover 63; the exhaust silica gel cap 62 is detachably arranged at the exhaust hole on the inner box cover 63, and specifically, the silica gel cap can be detachably plugged in an interference fit manner; the inner box thread ring 66 and the inner box shell 67 can be designed integrally, so that the inner box cover 63 and the inner box shell 67 are combined and fixed in a thread matching mode; the inner box liner 65 is arranged inside the inner box shell 67, and the inner box sealing ring is arranged between the inner box cover and the inner box shell and used for ensuring the sealing effect of the whole inner box after the inner box cover is covered.

Furthermore, in the embodiment of the utility model provides an in order to guarantee the fresh-keeping effect of interior box, can set up the inner bag in the shell inside of lunch-box body, with interior box setting in the inner bag, further guarantee the fresh-keeping effect of lunch-box.

The embodiment of the utility model provides an in, be equipped with pressure relief device 7 on the lunch-box body for inside and external pressure differential of balanced lunch-box body. Specifically, in the embodiment of the present invention, the pressure relief device 7 may be a pressure relief valve, and the pressure relief valve belongs to a common component, and the description is not further detailed herein. It is noted that in the embodiment of the utility model provides an in, the degree of bleeding to the lunch-box can be adjusted in a flexible way, can bleed how much selection according to the food of actual storage, in case bleed too much make the lunch-box lid be difficult to open the time, can be convenient for open the lunch-box through the inside and outside atmospheric pressure of pressure relief device pressure release balanced lunch-box body.

The embodiment of the utility model provides an in, it places chamber 8 to be equipped with the tableware on the lunch-box cover, and the rotatable apron 9 that is equipped with in the chamber is placed to the tableware, and the tableware is placed the chamber and can be placed common tableware such as ladle fork. Specifically, as shown in fig. 9, for the structural schematic diagram of the open state of the tableware placing cavity in the embodiment of the present invention, a fixing groove or a fixing and fastening structure for fixing the tableware can be disposed in the tableware placing cavity, which is not described in detail further herein. Wherein, the embodiment of the utility model provides an in apron 9 be provided with two, two adjacent limits of apron are fixed rotation limit, and the apron can be fixed on the lunch-box is covered through the mode of chucking.

The embodiment of the utility model provides an in, can also set up lunch-box handle 10 on shell 2, the rotatable setting of lunch-box handle to in addition conveniently carry the lunch-box the utility model provides an in, all can set up the assurance that the sealing washer carries out the leakproofness according to actual conditions in the cooperation of piston and extraction chamber, lunch-box lid and shell, interior lid and interior box shell etc. do not further detailed description here.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A lunchbox, comprising:

2. The lunch box according to claim 1, wherein a locking mechanism is arranged between the piston and the lunch box body and used for locking the movement of the piston in the air pumping cavity so that the second sealing assembly closes the air pumping opening.

3. The lunch box according to claim 2, wherein the locking mechanism comprises a locking groove formed in the inner wall of the air suction cavity and a locking block arranged on the piston, and the locking block can be inserted into the locking groove to form locking along with the rotation of the piston.

4. The lunchbox of claim 1, wherein the first seal assembly comprises:

a first seal movably disposed at the exhaust port;

5. The lunchbox of claim 1, wherein the second seal assembly comprises:

a second seal movably disposed at the suction port;

6. A lunch box according to claim 5, wherein the piston is provided with a driving member for driving the driving member to move, and the driving member is provided with a passage for communicating the exhaust port with the suction chamber.

7. The lunch box according to claim 1, wherein a return elastic member is provided between the piston and the suction chamber.

8. The lunch box according to claim 1, wherein a storage cavity is arranged inside the lunch box body, at least one inner box is detachably arranged in the storage cavity, the inner box comprises an inner box cover and an inner box shell, the inner box cover is detachably arranged on the inner box shell, the inner box cover is provided with an air hole, and the air hole is detachably provided with an exhaust silica gel cap.

9. The lunch box according to claim 1, wherein a pressure relief device is provided on the lunch box body for balancing a pressure difference between the inside of the lunch box body and the outside.

10. The lunch box according to claim 1, wherein a tableware placing cavity is formed in the lunch box cover, and a cover plate is rotatably provided on the tableware placing cavity.