CN221341522U - Can and packaging container - Google Patents

Abstract

The application provides a tank body and a packaging container, and relates to the technical field of packaging. The tank body comprises a tank body and a tank nozzle, the tank body is provided with a top surface, the top surface is provided with an opening, and the inner edge of the opening is provided with an annular side wall extending towards the inside of the tank body; the tank nozzle is positioned at the opening and comprises a first connecting part and a second connecting part which are connected, wherein the first connecting part is positioned outside the tank body and is used for being connected with the tank cover, and the second connecting part is positioned inside the tank body; the outer peripheral surface of the second connecting part is provided with a hooking structure at a position corresponding to the bottom end of the annular side wall, and the hooking structure is hooked and matched with the end face of the bottom end of the annular side wall so that the tank mouth is connected with the annular side wall. Above-mentioned technical scheme is through colluding the cooperation of closing the bottom terminal surface of structure and annular lateral wall and colludeing the cooperation installation that realizes a jar body and jar mouth to increase the intensity of a jar body and jar mouth junction.

Description

Can and packaging container

Technical Field

The application relates to the technical field of packaging, in particular to a tank body and a packaging container.

Background

Packaging containers are common devices for holding solids, liquids, etc. in daily life and industrial production, for example, metal cans are commonly used for holding food and beverages. Packaging containers generally include a can body including a can body and a can mouth, which are generally of an integrally formed construction, and a can lid mounted at the can mouth. However, the strength of the can body and can mouth connection is low.

Disclosure of utility model

The utility model provides a can body and a packaging container, which are used for solving the technical problem of low strength at the joint of the can body and the can mouth in the related art.

In order to achieve the above object, the present utility model provides the following technical solutions:

in one aspect, the present utility model provides a can comprising:

the tank body is provided with a top surface, the top surface is provided with an opening, and the inner edge of the opening is provided with an annular side wall extending towards the inside of the tank body;

The tank mouth is positioned at the opening and comprises a first connecting part and a second connecting part which are connected, wherein the first connecting part is positioned outside the tank body and is used for being connected with the tank cover, and the second connecting part is positioned inside the tank body;

The outer peripheral surface of the second connecting part is provided with a hooking structure at a position corresponding to the bottom end of the annular side wall, and the hooking structure is hooked and matched with the end face of the bottom end of the annular side wall so that the tank mouth is connected with the annular side wall.

Based on the technical scheme, the utility model can also be improved as follows:

In one possible implementation manner, the second connecting portion has a clamping groove at a position opposite to the annular side wall on the outer peripheral surface, the annular side wall is located in the clamping groove, and the groove wall opposite to the bottom end face of the annular side wall extends outwards to form the top end face of the hooking structure.

In one possible implementation manner, the can mouth further comprises a main body part, the main body part is positioned between the first connecting part and the second connecting part, the main body part is positioned outside the can body, and one end of the main body part is abutted against the top surface of the can body;

The outer contour of the orthographic projection of the main body part toward the opening is larger than the outer periphery of the opening.

In one possible implementation manner, at least two ear plates are arranged on the outer peripheral surface of the main body part, and the tail end of each ear plate is provided with a pressing block;

Each pressure joint piece all is located the one side of otic placode towards the top surface of can body, and each pressure joint piece all butt is at the top surface of can body.

In one possible implementation, the number of ear panels is two, and the two ear panels are disposed opposite each other.

In one possible implementation manner, the number of the hooking structures is plural, and the longitudinal cross-sectional area of each hooking structure is sequentially reduced from top to bottom.

In one possible implementation, the second connection portion is sleeved with a sealing gasket, and an upper end face of the sealing gasket abuts against a lower end face of the main body portion.

In one possible implementation, the inner wall of the main body portion is provided with a filter element, and the filter element is provided with a plurality of filter holes.

In another aspect, the present utility model provides a packaging container comprising a can lid and a can body according to any one of the preceding claims, the can lid being threadably connected to a first connection portion of the can body.

Based on the technical scheme, the utility model can also be improved as follows:

In one possible implementation, a plurality of polygonal planes are provided on the outer peripheral surface of the can lid;

Or the first connecting part is provided with external threads, the tank cover is provided with internal threads meshed with the external threads, and the external threads and the internal threads are intermittent threads;

or the internal thread is sleeved with a sealing ring.

The tank body and the packaging container provided by the utility model have the following beneficial effects:

the tank body is provided with a top surface, the top surface is provided with an opening, and the inner edge of the opening is provided with an annular side wall extending towards the inside of the tank body, so that the annular side wall has certain structural strength. In addition, the tank nozzle comprises a first connecting part and a second connecting part which are connected, the second connecting part is positioned in the tank body, a hooking structure is arranged at the position, corresponding to the bottom end of the annular side wall, on the outer peripheral surface of the second connecting part, and the hooking structure is matched with the bottom end face of the annular side wall in a hooking manner, so that the tank nozzle is connected with the annular side wall, and the hooking structure and the bottom end face of the annular side wall are hooked together, so that the tank nozzle and the tank body are installed together. Compared with the prior art, the can body and the can mouth are arranged into the integrated forming structure, and the strength of the can body and the can mouth which are hooked together is higher.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a tank structure according to an embodiment of the present utility model;

fig. 2 is a schematic view of a can body structure according to an embodiment of the present utility model;

Fig. 3 is a schematic structural view of a can mouth according to an embodiment of the present utility model at a first view angle;

fig. 4 is a schematic structural view of a can mouth according to an embodiment of the present utility model at a second view angle;

FIG. 5 is a schematic cross-sectional view of a can mouth and can body connection provided by an embodiment of the present utility model;

Fig. 6 is a schematic structural view of a packaging container according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a can lid according to an embodiment of the present utility model.

Reference numerals illustrate:

100-pot body;

110-top surface; 111-opening; 120-annular side walls;

200-can mouth;

210-a first connection; 220-a second connection; 221-a clamping groove; 230-hooking structure;

240-a body portion; 241-ear panels; 242-crimping blocks; 250-sealing gasket; 260-a filter;

261-filtration pore;

300-can lid;

310-polygonal plane.

Detailed Description

In general, a packaging container has a technical problem that the strength of the joint between the can body and the can mouth is low, and the problem arises in that, in the related art, the can mouth and the can body of the packaging container are generally of an integrally formed structure, and because the cross-sectional area of the outlet of the can mouth is far smaller than that of the can body for convenient drinking, the size of the joint between the can body and the can mouth is suddenly changed, stress concentration is easy to occur, and the strength of the joint between the can body and the can mouth is low.

According to the technical problems, the annular side wall is arranged in the bayonet on the top surface of the can body, the hooking structure is arranged at the second connecting part of the can mouth, and the can body and the can mouth are matched and installed through hooking and matching of the hooking structure and the end face of the bottom end of the annular side wall, so that the strength of the joint of the can body and the can mouth is improved.

In order to make the above objects, features and advantages of the embodiments of the present utility model more comprehensible, the technical solutions of the embodiments of the present utility model will be described clearly and completely with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an embodiment of the present utility model provides a can body including a can body 100 and a can mouth 200, and referring to fig. 2, the can body 100 has a top surface 110, the top surface 110 has an opening 111, and an inner edge of the opening 111 has an annular sidewall 120 extending toward an inside of the can body 100. Alternatively, the can body 100 is a shell, the top surface 110 of the shell is provided with an opening 111, the opening 111 is provided with an annular side wall 120, the top of the annular side wall 120 is overlapped with the top surface 110 of the shell, and the bottom surface of the annular side wall 120 is positioned inside the shell. The shape of the can body 100 may be cylindrical or approximately cylindrical, the top surface 110 may be a plane, an outwardly convex curved surface, or an inwardly concave curved surface, and in the embodiment of the present utility model, the top surface 110 is an outwardly convex curved surface. The can body 100 may be made of corrosion-resistant metal such as tin, chrome-plated steel sheet, or aluminum, or may be made of glass or plastic.

Referring to fig. 3 and 4, the can mouth 200 is positioned at the opening 111, and the can mouth 200 includes a first connection portion 210 and a second connection portion 220 connected. The material of the can mouth 200 may be a corrosion-resistant metal material such as tin plate, chrome-plated steel sheet, aluminum material, or a glass material or a plastic material. The first connecting portion 210 is located outside the can body 100, where the first connecting portion 210 is used to connect with a can lid, the first connecting portion 210 may be a hollow cylinder, and an outer circumferential surface of the cylinder is provided with threads, so that the first connecting portion 210 and the can lid are mounted in a threaded manner, and of course, in some examples, the first connecting portion 210 and the can lid may be mounted in a threaded manner, for example, a detachable connection manner such as a clamping connection or an adhesive connection may be also used.

Referring to fig. 3 and 5, the second connecting portion 220 is located inside the can body 100 and is used for connecting the can body 100, a hooking structure 230 is disposed at a position on an outer peripheral surface of the second connecting portion 220 corresponding to a bottom end of the annular sidewall 120, the hooking structure 230 is hooked with the bottom end of the annular sidewall 120, the hooking structure 230 may be a protruding block, a top surface of the protruding block is hooked with a bottom end surface of the annular sidewall 120, or a clamp is disposed on the top surface of the protruding block, and a hole is disposed on the bottom end surface of the annular sidewall 120, so that the hooking structure 230 is hooked with the bottom end of the annular sidewall 120 by clamping the clamp in the hole. So that the can mouth 200 is connected with the annular sidewall 120, the second connection part 220 is connected with the can body 100, and the can mouth 200 is mounted in cooperation with the can body 100.

The application provides a can body, which comprises a can body 100 and a can mouth 200, wherein an annular side wall 120 extending towards the interior of the can body 100 is arranged at the inner edge of an opening 111 on the top surface of the can body 100, and a hooking structure 230 is arranged at a position corresponding to the bottom end of the annular side wall 120 on the outer peripheral surface of a second connecting part 220 of the can mouth 200, and the connection of the can mouth 200 and the can body 100 is realized through the hooking cooperation of the hooking structure 230 and the bottom end surface of the annular side wall 120, so that the size mutation at the joint of the can mouth 200 and the can body 100 is avoided, and the phenomenon of stress concentration is generated, thereby improving the strength of the joint of the can mouth 200 and the can body 100.

Referring to fig. 3 and 5, in some embodiments, the second connecting portion 220 has a clamping groove 221 on an outer peripheral surface thereof opposite to the annular sidewall 120, the annular sidewall 120 is located in the clamping groove 221, and a groove wall of the clamping groove 221 opposite to a bottom end surface of the annular sidewall 120 extends outwards to form a top end surface of the hooking structure 230, or a bottom surface of the clamping groove 221 coincides with the top end surface of the hooking structure 230, and a top surface of the clamping groove 221 is crimped on the top end surface of the annular sidewall 120. The annular side wall 120 is accommodated by the clamping groove 221, the bottom end face of the annular side wall 120 is in pressure connection with the bottom end of the clamping groove 221, and the top end face of the clamping groove 221 is in pressure connection with the top end face of the annular side wall 120, so that the can mouth 200 and the can body 100 can be firmly fixed.

Referring to fig. 3, in some embodiments, the can mouth 200 further includes a body 240, the body 240 is located between the first connection portion 210 and the second connection portion 220, as shown in fig. 5, the body 240 is located outside the can body 100, and one end of the body 240 abuts against the top surface 110 of the can body 100. The outer contour of the orthographic projection of the body portion 240 toward the opening 111 is larger than the outer periphery of the opening 111, or, the cross-sectional area of the body portion 240 is larger than the cross-sectional area of the opening 111. The main body 240 can enhance the structural strength of the can mouth 200, and because one end of the main body 240 abuts against the top surface 110 of the can body 100, and the front projection of the main body 240 towards the opening 111 has an outer contour larger than the periphery of the opening 111, the bottom end surface of the main body 240 is in pressure connection with the top of the annular sidewall 120, so that the strength of the joint between the can mouth 200 and the can body 100 is further increased.

Referring to fig. 1 and 3, in some embodiments, at least two ear plates 241 are disposed on the outer peripheral surface of the main body 240, the end of each ear plate 241 is provided with a pressing block 242, each pressing block 242 is located on one side of the ear plate facing the top surface 110 of the can body 100, and each pressing block 242 abuts against the top surface 110 of the can body 100. The shape of the ear plate 241 may be a long strip or an arc long strip, when the top surface 110 is a plane, the shape of the ear plate 241 is a long strip, and when the top surface 110 is a curved surface, the shape of the ear plate 241 is an arc long strip corresponding to the curved surface of the top surface 110. The crimping block 242 may be part of the end of the ear plate 241 or may be a separate structure. The ear plates 241, the crimping blocks 242, and the body 240 may be integrally formed or welded together. When the press-connection block 242 is abutted against the top surface 110 of the can body 100 to enable the hooking structure 230 to be hooked with the bottom end of the annular side wall 120, the can body 100 generates an axial force away from the hooking structure 230 on the press-connection block 242, so that the annular side wall 120 can be tightly pressed against the bottom end face of the main body 240, and the situation that the annular side wall 120 cannot be pressed against the bottom end face of the main body 240 due to machining tolerance is avoided.

Referring to fig. 3 and 4, in some embodiments, the number of ear panels 241 is two, and two ear panels 241 are disposed opposite. By this arrangement, the axial force away from the hooking structure 230 can be prevented from being uniformly distributed on the lower end surface of the main body 240, and the structural deformation of the main body 240 can be prevented.

Referring to fig. 3 and 4, in some embodiments, the number of the hooking structures 230 is plural, for example, three, four or more, and the longitudinal cross-sectional area of each hooking structure 230 is reduced from top to bottom (for example, from the direction of the first connection portion 210 to the second connection portion 220), the hooking structure 230 may be shaped as a right triangle plate, and thus, the can mouth 200 may be conveniently installed into the can body 100 by pressing.

Referring to fig. 3 and 5, in some embodiments, the second connection portion 220 is sleeved with a gasket 250, and the gasket 250 may be a rubber seal. The upper end surface of the gasket 250 abuts against the lower end surface of the main body 240, and the gasket 250 is provided to ensure the sealing property between the can mouth 200 and the can body 100, thereby preventing leakage of the content in the can body 100.

Referring to fig. 4, in some embodiments, a filter 260 is disposed on an inner wall of the main body 240, and a plurality of filter holes 261 are disposed on the filter 260, when the content in the can body is poured out and the content is liquid level content, if juice, soda, milk, etc., foam in the liquid content is reduced or eliminated due to collision with the wall of the filter holes 261 when passing through the filter holes 261, thereby improving the drinking taste of the liquid content.

Referring to fig. 6, the present application further provides a packaging container, which may be a can, a bottle, or other packaging container capable of containing materials (foods or objects), wherein the packaging container may include a can lid 300 and a can body according to any one of the above, and the can lid 300 is screwed to the first connection portion 210 of the can body. Can lid 300 may be a lid-like structure made of corrosion-resistant metal such as tin plate, chrome-plated steel sheet, aluminum material, etc., a lid-like structure made of plastic, glass, etc., or a lid-like structure made of other materials. Because the packaging container includes the can lid 300, the packaging container can also avoid stress concentration phenomenon caused by abrupt size change at the joint of the can mouth 200 and the can body 100, thereby improving the strength at the joint of the can mouth 200 and the can body 100.

Referring to fig. 7, in some embodiments, a plurality of polygonal planes 310, such as rectangular planes, diamond-shaped planes, or other polygonal planes, are provided on the outer circumferential surface of the can lid 300, and the number of polygonal planes 310 may be three, four, or more, which are not exemplified here.

On the one hand, the polygonal planes can make the appearance of the can cover 300 more attractive, and on the other hand, when the can cover 300 is screwed or closed, the polygonal planes can increase the contact area of the can cover 300, so that the friction force is increased, and an operator can conveniently screw or close the can cover 300.

Or the first connecting portion 210 is provided with external threads, and the can cover 300 is provided with internal threads engaged with the external threads, so that the threaded connection between the can cover 300 and the first connecting portion 210 of the can body is realized, the external threads and the internal threads are intermittent threads, and the intermittent threads are intermittent threads, as shown in fig. 7. The intermittent threads are convenient for screwing or closing the can cover 300 on one hand, and can facilitate air intake and exhaust on the other hand, eliminate negative pressure in the can body and prevent the deformation of the packaging container caused by thermal expansion and cold contraction.

Or the sealing ring is sleeved at the internal thread, and the sealing ring can be an elastic sealing rubber gasket so as to ensure the tightness between the tank cover 300 and the tank body and prevent the leakage of the content in the tank body.

In this specification, each embodiment or implementation is described in a progressive manner, and each embodiment focuses on a difference from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

It should be noted that references in the specification to "in the detailed description", "in some embodiments", "in this embodiment", "exemplarily", etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on something" but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims (10)

1. A can, comprising:

A can body having a top surface with an opening, an inner edge of the opening having an annular sidewall extending inwardly toward the can body;

The tank nozzle is positioned at the opening and comprises a first connecting part and a second connecting part which are connected, wherein the first connecting part is positioned outside the tank body and is used for being connected with the tank cover, and the second connecting part is positioned inside the tank body;

And a hooking structure is arranged on the outer peripheral surface of the second connecting part at a position corresponding to the bottom end of the annular side wall, and the hooking structure is in hooking fit with the end surface of the bottom end of the annular side wall so that the tank nozzle is connected with the annular side wall.

2. The can body of claim 1, wherein the second connecting portion has a clamping groove on an outer peripheral surface thereof at a position opposite to the annular side wall, the annular side wall is located in the clamping groove, and a groove wall of the clamping groove opposite to a bottom end surface of the annular side wall extends outwards to form a top end surface of the hooking structure.

3. The can body of claim 1, wherein the can mouth further comprises a main body portion, the main body portion is located between the first connection portion and the second connection portion, the main body portion is located outside the can body, and one end of the main body portion abuts against a top surface of the can body;

the outer contour of the orthographic projection of the main body part toward the opening is larger than the outer periphery of the opening.

4. A tank according to claim 3, wherein the outer peripheral surface of the main body portion is provided with at least two lugs, and the distal end of each lug is provided with a press-fit block;

Each pressure joint piece is located the otic placode orientation one side of jar body top surface, each pressure joint piece all butt is in the top surface of jar body.

5. The can of claim 4, wherein the number of the ear panels is two, and the two ear panels are disposed opposite each other.

6. The can of any one of claims 1-5, wherein the number of the hooking structures is plural, and the longitudinal cross-sectional area of each hooking structure is sequentially reduced from top to bottom.

7. The tank of any one of claims 3 to 5, wherein the second connecting portion is sleeved with a gasket, and an upper end face of the gasket abuts against a lower end face of the main body portion.

8. A canister according to any one of claims 3 to 5, wherein the inner wall of the main body portion is provided with a filter element having a plurality of filter apertures provided therein.

9. A packaging container comprising a can lid and a can body according to any one of claims 1-8, wherein the can lid is threadably connected to a first connection portion of the can body.

10. The packaging container according to claim 9, wherein a plurality of polygonal planes are provided on an outer peripheral surface of the can lid;

Or the first connecting part is provided with an external thread, the tank cover is provided with an internal thread meshed with the external thread, and the external thread and the internal thread are intermittent threads;

Or the internal thread is sleeved with a sealing ring.