CN211002744U - Vacuum packaging tin - Google Patents
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- CN211002744U CN211002744U CN201922099749.7U CN201922099749U CN211002744U CN 211002744 U CN211002744 U CN 211002744U CN 201922099749 U CN201922099749 U CN 201922099749U CN 211002744 U CN211002744 U CN 211002744U
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Abstract
The utility model relates to a packing jar, especially a vacuum packaging jar, including a jar wall, a jar wall includes outer wall and inner wall, the outer wall with be provided with annular enclosure space between the inner wall, place the indicating device who is used for discerning jar interior product in the annular enclosure space, on the outer wall with the region that indicating device corresponds is transparent material component. This application a vacuum packaging jar, place the indicating device who is used for discerning the interior product of jar in the annular enclosure space for the user can observe the information that indicating device displayed through the region that this transparent material was made, and then guarantee that indicating device can exert the recognition function, make indicating device can not contact external world or jar interior product moreover, and then make indicating device neither can drop or damage, avoided the risk of indicating device pollution jar interior article yet.
Description
Technical Field
The utility model relates to a packaging can, in particular to a vacuum packaging can.
Background
Currently, many articles (such as food or some medicines) need to be preserved in a vacuum state to maintain better use effect. However, in the long-term use process, a special indicating device or a label is needed to indicate the articles stored in the can, and if the indicating device is directly pasted on the outer side of the indicating can, the indicating device is easy to fall off or damage; if placed inside the can, it again risks contaminating the contents of the can.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the prior art, the method comprises the following steps: the indicating device is stuck on the outer side of the indicating tank and is easy to fall off or damage; if place in jar, its problem that has the risk of polluting the interior article of jar again provides a vacuum packaging jar for place indicating device through set up annular enclosure space on jar wall, make indicating device neither can drop or damage, avoided the risk that indicating device pollutes the interior article of jar yet.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a vacuum packaging jar, includes a jar wall, jar wall includes outer wall and inner wall, the outer wall with be provided with annular enclosure space between the inner wall, the indicating device who is used for discerning jar interior product has been placed in the annular enclosure space, on the outer wall with the region that indicating device corresponds is transparent material component.
The transparent material is used for allowing an observer to observe the information displayed by the indicating device through the area made of the transparent material.
The application a vacuum packaging jar, be provided with annular enclosure space on the jar wall, place the indicating device who is used for discerning jar interior product in the annular enclosure space, on the outer wall with the region that indicating device corresponds is made by transparent material for the user can observe the information that indicating device demonstrates through the region that this transparent material was made, and then guarantees that indicating device can exert the recognition effect, simultaneously, because indicating device places in annular enclosure space, make indicating device can not contact external world or jar interior product, and then make indicating device neither can drop or damage, has also avoided the risk of indicating device pollution jar interior article.
Preferably, the indicating means is a label for indicating product information.
The label may be a ring-shaped structure of paper or plastic material.
When food is deposited to general vacuum packaging jar, all need the label to come discernment food information, and place the label in annular confined space for the label can not contact external world or jar interior product, and then makes indicating device neither can drop or damage, has also avoided the risk that the printing ink on the label pollutes article in the jar.
The vacuum packaging can store solid and liquid.
Preferably, the outer wall is a structural member made of a transparent material.
Preferably, the inner wall is a structural member made of a shading material.
To the object that some needs light-resistant to be stored, the inner wall is made by the shading material, can satisfy its light-resistant requirement, moreover on the outer wall with the region that indicating device corresponds is made by transparent material for the user can observe the information that indicating device displayed through the region that this transparent material made, and then guarantees that indicating device can exert the recognition effect under the condition that satisfies object light-resistant requirement, makes indicating device can not contact external or jar interior product, and then makes indicating device neither can drop or damage, has also avoided the risk that indicating device pollutes interior article of jar.
Preferably, the inner wall is connected with the bottom of the tank, the top of the outer wall is hermetically connected with the inner wall, the bottom of the outer wall is hermetically connected with the bottom of the inner wall through a first sealing device, and the first sealing device, the outer wall and the inner wall enclose the annular closed space.
The inner wall is connected with the bottom of the tank, the indicating device is placed between the outer wall and the inner wall, and then the first sealing device is respectively connected with the bottom of the outer wall and the bottom of the inner wall in a sealing mode to form the annular closed space.
In particular, the first sealing means is a sealing plug.
Preferably, the first sealing device comprises a positioning part and a sealing part, the positioning part is abutted to the bottom end of the tank wall, and the sealing part extends into the annular closed space and is respectively connected with the outer wall and the inner wall in a sealing manner.
In the actual operation process, the first sealing device can be connected with the tank wall in a sealing mode through the existing processes of bonding, hot melting and the like.
Preferably, the positioning portion and the sealing portion are perpendicular and form the first sealing device in a T-shaped structure.
Preferably, the positioning portions are respectively abutted against the bottom of the annular outer wall and the bottom of the annular inner wall.
Preferably, the first sealing device is provided with a gas extraction valve, and the gas extraction valve is used for extracting gas in the annular closed space to form a vacuum state and preventing the gas from entering the annular closed space.
The air extractor can extract the gas in the annular closed space through the air extraction valve to enable the annular closed space to form a vacuum state, so that the annular closed space can be used for placing the indicating device, and the heat preservation and insulation effect of the vacuum packaging can be improved.
Preferably, this application a vacuum packaging jar, still include the tank bottoms, the tank bottoms includes superstructure and the substructure that the interval set up, superstructure with annular inner wall sealing connection, the substructure with annular outer wall sealing connection, superstructure with the vacuum cavity has between the substructure, the vacuum cavity with annular enclosure space is linked together.
Superstructure with vacuum cavity has between the substructure, the vacuum cavity with annular confined space is linked together, makes this application vacuum packaging jar heat preservation effect better
Preferably, this application a vacuum packaging jar, still include with sealing connection's cover can be dismantled to the jar wall, be provided with adapter tube and aspirating hole on the cover, the aspirating hole is located in the adapter tube, the adapter tube can be dismantled and be connected with the second sealing device that is used for sealed aspirating hole, the second sealing device is flexible component.
The inner cavity of the vacuum packaging can be pumped into a vacuum state by using the air pumping device through the air pumping hole, at the moment, the second sealing device and the air pumping hole form pressure seal due to the pressure difference between the interior and the exterior of the can, and meanwhile, the second sealing device is a flexible component, so that the second sealing device is stirred, external air can enter the can to form normal pressure, and the whole process is simple and convenient.
Preferably, the diameter of the air exhaust hole is smaller than the inner diameter of the joint pipe, the second sealing device comprises a plug head matched with the air exhaust hole, an outer ring structure connected with the plug head is annularly arranged on the outer side of the plug head, a vent hole is formed between the plug head and the outer ring structure, and the outer ring structure is in interference fit with the inner wall of the joint pipe.
The outer ring structure is in interference fit with the inner wall of the joint pipe, so that the second sealing device cannot fall off or be lost by itself in the normal use process.
Preferably, the second sealing device is an integrally formed structural member.
The plug and the outer ring structure are integrally formed, the production can be realized by only one set of die, the production is simple and convenient, and the product cost is reduced.
Preferably, the diameter of the air exhaust hole is smaller than the inner diameter of the adapter tube, the second sealing device comprises a plug head matched with the air exhaust hole, at least two convex blocks are connected to the outer side of the plug head, the two convex blocks are located on two opposite sides of the plug head, a crimping device is connected to the inner side of the adapter tube, and the crimping device can abut against one side, far away from the air exhaust hole, of the convex blocks.
Preferably, the tank wall is connected with the tank cover in a sealing manner through a third sealing device, at least one layer of first protruding portion is arranged on the tank wall, a second protruding portion is correspondingly arranged on the side wall of the tank cover, and the second protruding portion can abut against one side, far away from the filling opening, of the first protruding portion;
at least one layer of the first bulge closest to the tank opening comprises a plurality of first bulge units arranged along the circumference of the tank wall, a gap is arranged between every two adjacent first bulge units on the same layer, and the second bulge can pass through the gap;
when the first protruding parts are at least two layers, the first protruding parts of the two adjacent layers are arranged at intervals along the height direction of the tank wall.
First bulge is not continuous, and is adjacent with the one deck be provided with the clearance between the first bulge unit, use this application vacuum packaging jar during, can cooperate cover and jar wall earlier for the second bulge passes through the clearance, the relative jar wall of later cover is rotatory certain angle to realize the first bulge that corresponds and block the purpose that the cover breaks away from jar wall, simultaneously, the jar wall pass through third sealing device with cover sealing connection, in order to guarantee the jar wall with the cover can not leak gas.
When the can cover needs to be opened, the air exhaust hole is communicated with the outside firstly, air enters the can to enable the interior of the can to be at normal pressure, at the moment, the can cover is rotated, the second protruding part reversely passes through the gap to open the can cover,
among the above-mentioned scheme, whole process uses first bulge and second bulge butt cooperation to avoid the cover to break away from a jar wall, realizes the sealed setting of cover and jar wall through the pressure differential outside third sealing device and jar, and is simple and convenient, does not need very big external force to accomplish above-mentioned operation promptly, easy open can and tin can of tin, the drawback of hindering the people easily when having solved easy open can and tin can of tin.
Further preferably, each layer of the first protruding part comprises a plurality of first protruding part units arranged along the circumference of the outer wall of the tank cover, a gap is arranged between adjacent first protruding part units of the same layer, and the second protruding part can pass through the gap.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. this application a vacuum packaging jar, place the indicating device who is used for discerning the interior product of jar in the annular enclosure space for the user can observe the information that indicating device displayed through the region that this transparent material was made, and then guarantee that indicating device can exert the recognition function, make indicating device can not contact external world or jar interior product moreover, and then make indicating device neither can drop or damage, avoided the risk of indicating device pollution jar interior article yet.
2. A vacuum packaging jar, air exhaust device can pass through extraction valve extracts gas in the annular confined space makes it form vacuum state, and then makes the annular confined space both can be used for placing indicating device, can be used for vacuum packaging jar heat preservation again.
3. The application a vacuum packaging jar, use air exhaust device to pass through the aspirating hole can be with the inner chamber of vacuum packaging jar pump vacuum state, because jar and jar outer pressure differential, at this moment, second sealing device and aspirating hole formation pressure seal, simultaneously, because second sealing device is flexible member, so stir second sealing device, can make external air get into in the jar, form the ordinary pressure, whole process is simple, and is convenient.
4. The application a vacuum packaging jar, use first bulge and second bulge butt cooperation to avoid the cover to break away from a jar wall, realize the sealed setting of cover and jar wall through the pressure differential outside third sealing device and jar, it is simple and convenient, do not need very big external force can accomplish above-mentioned operation, easy open can and tin can of horse mouthful compared, the drawback of hindering people easily when having solved easy open can and tin can of horse mouthful to and the unable problem of opening of jar children commonly used on the market.
Drawings
Fig. 1 is a sectional view showing the structure of a vacuum packaging can of the present invention (with a first sealing means).
Fig. 2 is a structural section view of the vacuum packaging can of the present invention (when the can bottom is a two-layer structure).
Fig. 3 is a schematic structural diagram of a second sealing device according to the present invention (when the second sealing device includes a plug and a bump).
Fig. 4 is a schematic structural view of a second sealing device according to the present invention (when the second sealing device has a vent).
Fig. 5 is a schematic view of the position of the first protruding portion of the present invention.
Icon: 1-tank body; 11-tank wall; 111-an annular enclosure; 112-an outer wall; 113-an inner wall; 12-an indication device; 13-a first sealing means; 131-a positioning part; 132-a seal; 14-an extraction valve; 15-tank bottom; 151-upper layer structure; 152-lower layer structure; 153-vacuum chamber; 2-can cover; 21-a connector tube; 22-a suction hole; 23-crimping means; 24-a second projection; 25-a first projection; 251-a first projection unit; 252-gap; 3-a second sealing device; 31-a plug head; 32-bumps; 33-a vent hole; 34-outer ring structure; 5-third sealing means.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
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 for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, a vacuum packaging can comprises a can body 1, wherein the can body 1 is provided with a can wall 11, the can wall 11 comprises an outer wall 112 and an inner wall 113, an annular closed space 111 is arranged between the outer wall 112 and the inner wall 113, an indicating device 12 for identifying a product in the can is placed in the annular closed space 111, and an area on the outer wall 112 corresponding to the indicating device 12 is made of a transparent material.
The transparent material is such that an observer can observe the information displayed by the indicating device 12 through the region made of the transparent material.
The structural member made of transparent material such as transparent plastic, glass, transparent metal and the like
In addition, in a further preferred mode, the indicating device 12 is a label for indicating product information. The label may be a bottle label or may be a structural member of a coating structure printed on the inside of the outer wall 112 or the outside of the inner wall 113.
When food is stored in general vacuum packaging tins, all need the label to identify food information, and place the label in annular confined space 111 for the label can not contact external world or jar interior product, and then makes indicating device neither can drop or damage, has also avoided the risk that the printing ink on the label pollutes article in the jar, so use annular confined space 111 to place the label, not only can directly place food and also stop the risk that the label drops.
The vacuum packaging can store solid and liquid.
In addition, in a more preferable mode, the outer wall 112 is a structural member made of a transparent material.
In addition, in a more preferable mode, the inner wall 113 is a structural member made of a light-shielding material.
To some objects that need to be protected from light and stored, inner wall 113 is made by the shading material, can satisfy its light-resistant requirement, moreover outer wall 112 go up with the region that indicating device 12 corresponds is made by transparent material for the user can observe the information that indicating device 12 displayed through the region that this transparent material was made, and then guarantees that indicating device 12 can exert the recognition function under the condition that satisfies object light-resistant requirement, makes indicating device 12 can not contact external world or jar interior product, and then makes indicating device neither can drop or damage, has avoided the risk that indicating device pollutes the interior article of jar yet.
On the basis of the above, it is further preferable that the inner wall 113 is connected 114 with the tank bottom 15, the top of the outer wall 112 is connected with the inner wall 113 in a sealing manner, the bottom of the outer wall 112 is connected with the bottom of the inner wall 113 in a sealing manner through a first sealing device 13, and the first sealing device 13, the outer wall 112 and the inner wall 113 enclose the annular closed space 111.
The inner wall 113 is connected 114 with the tank bottom 15 to form an inner cavity for placing objects, the indicating device 12 is placed between the outer wall 112 and the inner wall 113, and then the first sealing device 13 is respectively connected with the bottom of the outer wall 112 and the bottom of the inner wall 113 in a sealing manner to form the annular closed space 111.
In particular, the first sealing means 13 is a sealing plug.
When the product is lost, the manufacturer can quickly adjust the product type by replacing the label. Once the packaging of the can body, which has been previously labeled with an external label or printed thereon, is made, there is a risk that the packaging will be discarded after the product is sold. The scheme greatly reduces the operation risk and cost of factories and brand merchants.
In addition, in a further preferable mode, the first sealing device 13 includes a positioning portion 131 and a sealing portion 132, the positioning portion 131 abuts against the bottom end of the tank wall 11, and the sealing portion 132 extends into the annular closed space 111 and is respectively connected to the outer wall 112 and the inner wall 113 in a sealing manner.
In the actual operation process, the first sealing device 13 can be hermetically connected with the tank wall 11 through the existing processes of bonding, hot melting and the like.
In addition, in a more preferable mode, the positioning portion 131 and the sealing portion 132 are perpendicular to each other, and form the first sealing device 13 having a T-shaped structure.
In addition, in a more preferable mode, the positioning portions 131 are respectively in contact with the bottom of the annular outer wall 112 and the bottom of the annular inner wall 113.
In addition, in a further preferable mode, the first sealing device 13 is provided with a gas extraction valve 14, and the gas extraction valve 14 is used for extracting the gas in the annular closed space 111 and can prevent the gas from entering the annular closed space 111.
The air extractor can extract the air in the annular closed space 111 through the air extraction valve 14 to form a vacuum state, so that the annular closed space 111 can be used for placing the indicating device 12 and can also be used for heat preservation of the vacuum packaging can.
This application a vacuum packaging jar, be provided with annular enclosure space 111 on jar wall 11, place the indicating device 12 that is used for discerning jar interior product in annular enclosure space 111, on outer wall 112 with the region that indicating device 12 corresponds is made by transparent material for the user can observe the information that indicating device 12 demonstrates through the region that this transparent material was made, and then guarantees that indicating device 12 can exert the recognition effect, simultaneously, because indicating device 12 places in annular enclosure space 111, make indicating device 12 can not contact external world or jar interior product, and then make indicating device neither can drop or damage, has also avoided the risk of indicating device pollution jar interior article.
Example 2
As shown in fig. 2, the vacuum packaging can of this embodiment is different from that of embodiment 1 in that the vacuum packaging can further includes a can bottom 15, the can bottom 15 includes an upper layer structure 151 and a lower layer structure 152 which are arranged at intervals, the upper layer structure 151 is hermetically connected with the annular inner wall 113, the lower layer structure 152 is hermetically connected with the annular outer wall 112, a vacuum cavity 153 is provided between the upper layer structure 151 and the lower layer structure 152, and the vacuum cavity 153 is communicated with the annular enclosed space 111.
The upper structure 151 with have the vacuum cavity 153 between the lower structure 152, the vacuum cavity 153 with annular enclosure space 111 is linked together for the vacuum packaging jar the heat preservation effect of this application better.
Example 3
As shown in fig. 1, the vacuum packaging can of this embodiment is different from that of embodiment 1 or 2 in that the vacuum packaging can further includes a can cover 2 detachably and hermetically connected to the can wall 11, the can cover 2 is provided with a joint pipe 21 and an air exhaust hole 22, the air exhaust hole 22 is provided in the joint pipe 21, the joint pipe 21 is detachably connected to a second sealing device 3 for sealing the air exhaust hole 22, and the second sealing device 3 is a flexible member.
The inner cavity of the vacuum packaging can be pumped into a vacuum state by using an air pumping device through the air pumping hole 22, at the moment, the second sealing device 3 and the air pumping hole 22 form pressure sealing due to the pressure difference between the interior and the exterior of the can, and meanwhile, the second sealing device 3 is a flexible component, so that the external air can enter the can to form normal pressure by stirring the second sealing device 3, and the whole process is simple and convenient.
As shown in fig. 3, in addition to the above, in a further preferable mode, the diameter of the suction hole 22 is smaller than the inner diameter of the adapter tube 21, the second sealing device 3 includes a plug 31 adapted to the suction hole 22, at least two protrusions 32 are connected to the outer side of the plug 31, wherein the two protrusions 32 are located on two opposite sides of the plug 31, a pressure welding device 23 is connected to the inner side of the adapter tube 21, and the pressure welding device 23 can abut against one side of the protrusion 32 away from the suction hole 22.
The compression joint device 23 can be abutted against one side of the lug 32 far away from the suction hole 22, and the second sealing device 3 can be prevented from being separated from the joint pipe 21 and lost.
Specifically, the crimping device 23 may be a sleeve or a snap ring, and the crimping device 23 and the joint pipe 21 may be bonded, interference fit, or detachably engaged by a threaded connection or a snap connection.
The air in the tank body can be exhausted from the air exhaust holes 22 through the externally-matched vacuum pump, and relative vacuum is formed, so that the tank body has a corresponding food fresh-keeping function. When the vacuum package of the food is opened by a customer, the food which is not completely eaten can prolong the fresh-keeping time of the food through the function.
A sealing ring or a cover can be added outside the air exhaust hole 22, so that the sealing after the vacuum pumping is completed further improves the fresh-keeping time of the can body.
As shown in fig. 1, 2 and 5, in addition to the above, in a further preferable mode, the tank wall 11 is connected with the tank cover 2 in a sealing manner by a third sealing device 5, at least one layer of first protruding part 25 is arranged on the tank wall 11, a second protruding part 24 is correspondingly arranged on the side wall of the tank cover 2, and the second protruding part 24 can abut against one side of the first protruding part 25 away from the filling opening;
at least the layer of the first projecting part 25 closest to the tank opening comprises a plurality of first projecting part units 251 arranged along the circumference of the tank wall 11, a gap 252 is arranged between the adjacent first projecting part units 251 of the same layer, and the second projecting part 24 can pass through the gap 252;
when the first protruding part 25 is at least two layers, the first protruding parts 25 of two adjacent layers are arranged at intervals along the height direction of the tank wall 11.
When the can cover 2 needs to be opened, the air suction hole 22 is only required to be communicated with the outside, air enters the can to make the interior of the can be at normal pressure, at this time, the can cover 2 is rotated, the second protruding part 24 reversely passes through the gap 252 to open the can cover 2,
in correspondence with the above-mentioned solution, the second protruding part 24 is not continuous, and the second protruding part 24 includes a plurality of second protruding part units arranged at intervals along the circumference of the tank wall 11, and the second protruding part units can pass through the gaps 252 between the adjacent first protruding part units 251.
In the above-mentioned scheme, whole process, use first bulge 25 and the cooperation of 24 butt of second bulge to avoid cover 2 to break away from can wall 11, realize the sealed setting of cover 2 and can wall 11 through the pressure differential outside third sealing device 5 and the jar interior jar, it is simple and convenient, do not need very big external force can accomplish above-mentioned operation, easy open can and tinplate can compare, the drawback of hindering people easily when easy open can and tinplate can are opened has been solved, and the problem that can not be opened to the jar children commonly used on the market
When the structure is in a vacuum state in the can, adults and children can not open the can. As long as the normal pressure in the tank is achieved, the child can open the tank easily.
The first projection 25 and the second projection 24 may be particularly preferably threaded.
Further, on the basis of the above, it is further preferable that each layer of the first protruding portion 25 includes a plurality of first protruding portion units 251 arranged along the circumference of the outer wall of the can cover 2, a gap 252 is arranged between adjacent first protruding portion units 251 of the same layer, and the second protruding portion 24 can pass through the gap 252.
Example 4
As shown in fig. 2 and 4, the vacuum packaging can of this embodiment is different from that of embodiment 1, 2 or 3 in that the diameter of the air exhaust hole 22 is smaller than the inner diameter of the joint pipe 21, the second sealing device 3 includes a plug 31 adapted to the air exhaust hole 22, an outer ring structure 34 connected to the plug 31 is annularly disposed on the outer side of the plug 31, a vent hole 33 is disposed between the plug 31 and the outer ring structure 34, and the outer ring structure 34 is in interference fit with the inner wall of the joint pipe 21.
The outer ring structure 34 is in interference fit with the inner wall of the joint pipe 21, so that the second sealing device 3 cannot fall off or be lost by itself in the normal use process.
In addition, in a more preferable mode, the second sealing device 3 is an integrally molded structure.
The plug head 31 and the outer ring structure 34 are integrally formed, production can be achieved by only one set of die, production is simple and convenient, and product cost is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a vacuum packaging jar, its characterized in that, includes jar wall (11), jar wall (11) include outer wall (112) and inner wall (113), outer wall (112) with be provided with annular enclosure space (111) between inner wall (113), place in annular enclosure space (111) and be used for discerning indicating device (12) of jar interior product, on outer wall (112) with the region that indicating device (12) correspond is the transparent material component.
2. The vacuum packaging can as claimed in claim 1, characterized in that the indicating means (12) is a label for indicating product information.
3. A vacuum packaging can according to claim 1, characterized in that said inner wall (113) is connected to a can bottom (15), the top of said outer wall (112) is sealingly connected to said inner wall (113), the bottom of said outer wall (112) and the bottom of said inner wall (113) are sealingly connected by a first sealing means (13), said outer wall (112) and said inner wall (113) enclosing said annular enclosed space (111).
4. A vacuum packaging can according to claim 3, characterized in that said first sealing means (13) comprises a positioning portion (131) and a sealing portion (132), said positioning portion (131) being in abutment with the bottom end of said can wall (11), said sealing portion (132) extending into said annular closed space (111) and being in sealing connection with said outer wall (112) and said inner wall (113), respectively.
5. A vacuum packaging can according to claim 3, characterized in that said first sealing means (13) is provided with a suction valve (14), said suction valve (14) being adapted to draw gas inside said annular closed space (111) to form a vacuum and to prevent gas from entering said annular closed space (111).
6. The vacuum packaging can of claim 1, further comprising a can bottom (15), wherein the can bottom (15) comprises an upper layer structure (151) and a lower layer structure (152) which are arranged at intervals, the upper layer structure (151) is hermetically connected with the inner wall (113), the lower layer structure (152) is hermetically connected with the outer wall (112), a vacuum cavity (153) is arranged between the upper layer structure (151) and the lower layer structure (152), and the vacuum cavity (153) is communicated with the annular closed space (111).
7. The vacuum packaging can according to any one of claims 1 to 6, further comprising a can lid (2) detachably and hermetically connected with the can wall (11), wherein the can lid (2) is provided with a joint pipe (21) and a suction hole (22), the suction hole (22) is arranged in the joint pipe (21), the joint pipe (21) is detachably connected with a second sealing device (3) for sealing the suction hole (22), and the second sealing device (3) is a flexible member.
8. The vacuum packaging tin according to claim 7, wherein the diameter of the air exhaust hole (22) is smaller than the inner diameter of the joint pipe (21), the second sealing device (3) comprises a plug head (31) matched with the air exhaust hole (22), an outer ring structure (34) connected with the plug head (31) is annularly arranged on the outer side of the plug head (31), a vent hole (33) is arranged between the plug head (31) and the outer ring structure (34), and the outer ring structure (34) is in interference fit with the inner wall of the joint pipe (21).
9. A vacuum packaging can according to claim 7, characterized in that the diameter of the air suction hole (22) is smaller than the inner diameter of the adapter tube (21), the second sealing means (3) comprises a plug head (31) adapted to the air suction hole (22), at least two projections (32) are connected to the outer side of the plug head (31), wherein the two projections (32) are located on two opposite sides of the plug head (31), a crimping means (23) is connected to the inner side of the adapter tube (21), and the crimping means (23) can abut against one side of the projections (32) away from the air suction hole (22).
10. Vacuum packaging can according to claim 7, wherein the can wall (11) is connected to the can lid (2) in a sealing manner by means of a third sealing means (5), wherein at least one layer of first bulges (25) is arranged on the can wall (11), and wherein a corresponding layer of second bulges (24) is arranged on the side wall of the can lid (2), wherein the second bulges (24) can abut against the side of the corresponding first bulges (25) facing away from the can opening;
at least the first projecting part (25) of the layer closest to the tank opening comprises a plurality of first projecting part units (251) arranged along the circumference of the tank wall (11), a gap (252) is arranged between the adjacent first projecting part units (251) of the same layer, and the second projecting part (24) can pass through the gap (252);
when the first protruding parts (25) are at least two layers, the first protruding parts (25) of the two adjacent layers are arranged at intervals along the height direction of the tank wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099749.7U CN211002744U (en) | 2019-11-28 | 2019-11-28 | Vacuum packaging tin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099749.7U CN211002744U (en) | 2019-11-28 | 2019-11-28 | Vacuum packaging tin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211002744U true CN211002744U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099749.7U Active CN211002744U (en) | 2019-11-28 | 2019-11-28 | Vacuum packaging tin |
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| CN (1) | CN211002744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715518A (en) * | 2022-04-14 | 2022-07-08 | 安徽登云玻璃科技有限公司 | Glassware with heat preservation function |
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2019
- 2019-11-28 CN CN201922099749.7U patent/CN211002744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715518A (en) * | 2022-04-14 | 2022-07-08 | 安徽登云玻璃科技有限公司 | Glassware with heat preservation function |
| CN114715518B (en) * | 2022-04-14 | 2023-09-05 | 安徽登云玻璃科技有限公司 | Glassware with heat preservation function |
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