CN216003710U - Packaging can capable of secondary sealing - Google Patents
Packaging can capable of secondary sealing Download PDFInfo
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- CN216003710U CN216003710U CN202122406607.8U CN202122406607U CN216003710U CN 216003710 U CN216003710 U CN 216003710U CN 202122406607 U CN202122406607 U CN 202122406607U CN 216003710 U CN216003710 U CN 216003710U
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- upper cover
- sealed
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- lid
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Abstract
The utility model discloses a can secondary seal's packing jar, including the can body, easily tear lid and upper cover, the can body is the tubbiness, easily tears the lid including the apron and easily tear the piece, is equipped with the through-hole in the middle of the apron, easily tears the piece and bond the up end of the peripheral apron of through-hole covers this through-hole, and after the material was poured into to the inner chamber of can body, the upper end of can body and the apron edge roll-seal that easily tears the lid are in the same place, and the upper portion of can body forms one section necking down, is equipped with interconnect's cooperation structure between necking down outer peripheral face and the upper cover inner peripheral surface, is equipped with the sealing washer in the upper cover, and when the upper cover was connected on the can body, the sealing washer was in between the top surface in apron top and the upper cover. Preferably, the can body includes cylinder and bottom, and the lower extreme of cylinder is in the same place with the edge seaming of bottom, and the upper portion of cylinder forms one section necking down, and the upper end of cylinder is in the same place with the edge seaming of the apron of easily tearing the lid. The utility model discloses have better one shot sealed effect, the opening and the pouring of the body of the can of being convenient for again, and can form secondary seal, have better spreading value.
Description
Technical Field
The utility model belongs to the technical field of packaging container manufacturing technology and specifically relates to a packing jar that can secondary seal.
Background
The packaging can is a common container for people to package materials and prevent the materials from being affected with damp and deteriorated, such as common food packaging cans, tea cans, medicine packaging cans and the like. However, the existing can body generally has only one can body and one cover body. If the sealing effect of the common packaging can is to be enhanced, the cover body is difficult to open, and the common packaging can cannot be sealed after the cover body is opened, such as a common pop can; if the cover body needs to be opened conveniently and the sealing can be repeated, the sealing effect of the can body is difficult to guarantee, such as the packaging cans of common food cans, tea packaging cans and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a packing jar that can secondary seal, it has better one time sealed effect, the opening and the pouring of the body of the can of being convenient for again, and can form secondary seal.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a packing jar that can secondary seal, includes the can body, easily tears lid and upper cover, and the can body is the tubbiness, easily tears the lid including the apron and easily tear the piece, is equipped with the through-hole in the middle of the apron, easily tears the piece and bonds the up end of the peripheral apron of through-hole covers this through-hole, and after the material was filled into to the inner chamber of can body, the upper end of can body and the apron edge roll-seal of easily tearing the lid were in the same place, and the upper portion of can body forms one section necking down, be equipped with interconnect's cooperation structure between necking down outer peripheral face and the upper cover inner peripheral surface, be equipped with the sealing washer in the upper cover, when the upper cover is connected on can body, the sealing washer was in between apron top and the upper cover inner top surface.
Preferably, the matching structure is that an external thread is arranged on the outer circumferential surface of the necking down, an internal thread is arranged on the inner circumferential surface of the upper cover, and the internal thread on the inner circumferential surface of the upper cover is matched with the external thread on the outer circumferential surface of the necking down.
In a further improvement, the external thread on the outer circumferential surface of the necking is divided into a plurality of sections.
In a further improvement, the internal thread is also divided into a plurality of segments.
The upper cover is made of metal materials, the upper cover comprises a stepped cylinder, the stepped cylinder is big end down, the small end of the stepped cylinder is closed, the edge of the big end of the stepped cylinder is bent upwards to form a bent part, and the bent part is formed by extrusion of the internal thread.
Still further, the sealing washer is equipped with stairstepping up end and a lower terminal surface, and when the upper cover was connected on one's body, the stairstepping up end of sealing washer with the interior top laminating of upper cover, the lower terminal surface of sealing washer supports on the top of lid circle. The effect of forming the secondary seal is better.
The upper cover comprises a metal outer shell and a plastic inner sleeve, the plastic inner sleeve is an inverted barrel-shaped body, the plastic inner sleeve is embedded in the metal outer shell, the lower end of the metal outer shell is bent inwards to clamp the lower end of the plastic inner sleeve, the inner circumferential surface of the plastic inner sleeve is provided with the internal threads, and the upper end face of the sealing ring is attached to the inner top face of the plastic inner sleeve.
Another preferred of cooperation structure, cooperation structure does be equipped with multistage joint sand grip on the necking down outer peripheral face, be equipped with a plurality of joint convex parts on the upper cover inner peripheral surface, every joint convex part and one section joint sand grip looks joint cooperation.
The improvement is further improved, every section the joint sand grip is the slope form, every section the lower one end of joint sand grip still downwardly extending a spacing convex part.
Preferably, the can body comprises a cylinder and a bottom cover, the lower end of the cylinder is sealed with the edge of the bottom cover, a section of necking is formed at the upper part of the cylinder, and the upper end of the cylinder is sealed with the edge of a cover ring of the easy-to-tear cover.
Preferably, the can body and the easy-to-tear cover are both made of metal materials; the punching press has a plurality of convex parts on the easy tear piece of easily tearing the lid, still is equipped with on the easy tear piece and tears the portion.
The utility model discloses because the lid circle through easily tearing the lid is in the same place with the upper end convolution of can body, easily tear the piece and bond at the peripheral lid up end of lid circle through-hole and cover this through-hole, just can form better first time sealed, the save, the transportation etc. of the material of being convenient for. When the can body is opened, the easy-to-tear piece can be torn off with small force, and the through hole in the middle of the cover ring is generally large, so that the can body can be conveniently opened and poured. On the other hand, connect on the necking down of can body through the upper cover, then the sealing washer is in between lid circle top and the upper cover inner top face, just can form secondary seal, the used repeatedly of being convenient for. Therefore, the packaging can has better popularization value.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a top view of a first embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view at B of FIG. 3;
FIG. 5 is a top perspective view of the first embodiment of the present invention with the upper cover open;
fig. 6 is a bottom perspective view showing an open state of the upper cover according to the first embodiment of the present invention;
fig. 7 is a bottom perspective view showing an open state of the upper cover according to the second embodiment of the present invention;
fig. 8 is a top view of a third embodiment of the present invention;
FIG. 9 is a cross-sectional view C-C of FIG. 8;
FIG. 10 is an enlarged view at D of FIG. 9;
fig. 11 is a bottom perspective view of an upper cover according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
First embodiment, as shown in fig. 1 to 6, a packaging can capable of being sealed twice comprises a can body 1, an easily torn cover 2 and an upper cover 3, wherein the can body 1 is a barrel-shaped body, the can body 1 comprises a cylinder body 11 and a bottom cover 12, the lower end of the cylinder body 11 is sealed with the edge of the bottom cover 12 in a rolling manner, and the cylinder body 11 and the bottom cover 12 can be made of tinplate;
the easy-to-tear cover 2 comprises a cover ring 21 and an easy-to-tear sheet 22, a through hole 211 is formed in the middle of the cover ring 21, the easy-to-tear sheet 22 is bonded to the upper end face of the cover ring 21 on the periphery of the through hole 211 and covers the through hole 211, the cover ring 21 can be made of tinplate, the easy-to-tear sheet 22 can be made of aluminum alloy plates, a plurality of convex parts 221 are stamped on the easy-to-tear sheet 22, and a tearing part 222 is further arranged on the easy-to-tear sheet 22;
after the inner cavity of the can body 1 is filled with materials, the upper end of the can body 1, namely the upper end of the cylinder body 11, and the edge of the cover ring 21 of the easy-to-tear cover 2 are sealed together in a rolling manner;
the upper part of the can body 1, namely the upper part of the cylinder body 11, is provided with a section of necking 13, the outer peripheral surface of the necking 13 and the inner peripheral surface of the upper cover 3 are provided with mutually connected matching structures, the matching structures are that the outer peripheral surface of the necking 13 is provided with an external thread 131, the inner peripheral surface of the upper cover 3 is provided with an internal thread 31, and the internal thread 31 on the inner peripheral surface of the upper cover 3 is matched with the external thread 131 on the outer peripheral surface of the necking 13.
The male screw 131 on the outer peripheral surface of the neck 13 is divided into a plurality of stages. The internal thread 31 is also divided into a plurality of segments.
The upper cover 3 is internally provided with a sealing ring 4, and when the upper cover 3 is connected on the can body 1, the sealing ring 4 is positioned between the top end of the cover ring 21 and the inner top surface of the upper cover 3.
Further, the upper cover 3 is preferably made of a metal material, such as a tinplate, the upper cover 3 includes a stepped cylinder 32, the stepped cylinder 32 is small in top and large in bottom, the small end of the stepped cylinder 32 is closed, the edge of the large end of the stepped cylinder 32 is bent upwards to form a bending portion 321, and the bending portion 321 forms the internal thread 31 by extrusion.
As can be further seen from fig. 4, the sealing ring 4 has a stepped upper end surface and a lower end surface, when the upper cover 3 is connected to the can body 1, the stepped upper end surface of the sealing ring 4 is attached to the inner top of the upper cover 3, and the lower end surface of the sealing ring 4 abuts against the top end of the cover ring 21. So that the formed secondary sealing effect is better.
After the material was filled into to the inner chamber of this embodiment can body 1, then the upper end of can body 1 and the 21 marginal curls of lid circle of easily tearing lid 2 seal together, just can better sealed material. The upper lid 3 can then be screwed onto said constriction 13 of the can body 1. When the can body 1 needs to be opened, the upper cover 3 is unscrewed, and then the easy-to-tear piece 22 is torn through the tearing part 222, so that the can body 1 can be conveniently opened, and the materials can be conveniently poured out due to the large through hole 211 of the cover ring 21; the materials which are not used up are clamped between the top end of the cover ring 21 and the inner top surface of the upper cover 3 by screwing the upper cover 3, so that secondary sealing is formed, and the material can be used repeatedly.
The second embodiment and the packaging can which can be sealed for the second time are shown in fig. 7, and the packaging can is different from the first embodiment in that: the cooperation structure does be equipped with multistage joint sand grip 130 on the necking down 13 outer peripheral face, be equipped with a plurality of joint convex parts 30 on the upper cover 3 inner peripheral face, every joint convex part 30 and one section joint sand grip 130 looks joint cooperation.
Each section the joint convex strip 130 is inclined, and the lower end of the joint convex strip 130 also extends downwards to form a limit convex part 1301.
The use of this embodiment is substantially the same as the first embodiment.
Third embodiment, fig. 8 to 11 show, a packaging can capable of secondary sealing, which is different from the first embodiment: the upper cover 3 comprises a metal outer shell 3a and a plastic inner sleeve 3b, the plastic inner sleeve 3b is an inverted barrel-shaped body, the plastic inner sleeve 3b is embedded in the metal outer shell 3a, the lower end of the metal outer shell 3a is bent inwards to clamp the lower end of the plastic inner sleeve 3b, the inner peripheral surface of the plastic inner sleeve 3b is provided with internal threads 31, and the internal threads 31 are also divided into a plurality of sections; the upper cover 3 is matched with the external thread 131 on the outer peripheral surface of the necking 13 by the internal thread 31 on the inner peripheral surface of the plastic inner sleeve 3 b; the upper end surface of the sealing ring 4 is attached to the inner top surface of the plastic inner sleeve 3 b; the upper part of the inner circumferential surface of the plastic inner sleeve 3b is also provided with a circle of convex parts 3c for clamping the sealing ring 4.
The use of this embodiment is substantially the same as the first embodiment.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a packing jar that can secondary seal, includes the can body, easily tears lid and upper cover, and the can body is the tubbiness, easily tears the lid including the lid circle and easily tear the piece, is equipped with the through-hole in the middle of the lid circle, easily tears the piece and bonds in the up end of the peripheral lid circle of through-hole covers this through-hole, its characterized in that: after the material was poured into to the inner chamber of can body, the upper end of can body and the apron edge of easily tearing the lid were sealed together, and the upper portion of can body forms one section necking down, be equipped with interconnect's cooperation structure between necking down outer peripheral face and the upper cover inner peripheral surface, be equipped with the sealing washer in the upper cover, when the upper cover is connected on can body, the sealing washer is in between apron top and the upper cover interior top surface.
2. The packaging can capable of being sealed for the second time according to claim 1, characterized in that: the matching structure is that an external thread is arranged on the outer peripheral surface of the necking down, an internal thread is arranged on the inner peripheral surface of the upper cover, and the internal thread on the inner peripheral surface of the upper cover is matched with the external thread on the outer peripheral surface of the necking down.
3. The packaging can capable of being sealed for the second time according to claim 2, characterized in that: the external thread on the outer peripheral surface of the neck is divided into a plurality of sections.
4. The packaging can capable of being sealed for the second time according to claim 2, characterized in that: the internal thread is also segmented.
5. The packaging can capable of being sealed for the second time according to claim 2, characterized in that: the upper cover is made of metal materials, the upper cover comprises a step-shaped cylinder, the step-shaped cylinder is big end down, the small end of the step-shaped cylinder is closed, the edge of the big end of the step-shaped cylinder is bent upwards to form a bent part, and the bent part is formed by extrusion of the internal thread.
6. The packaging can capable of being sealed for the second time according to claim 5, characterized in that: the sealing ring is provided with a step-shaped upper end surface and a lower end surface, when the upper cover is connected to the tank body, the step-shaped upper end surface of the sealing ring is attached to the inner top of the upper cover, and the lower end surface of the sealing ring is abutted to the top end of the cover ring.
7. The packaging can capable of being sealed for the second time according to claim 2, characterized in that: the upper cover comprises a metal outer shell and a plastic inner sleeve, the plastic inner sleeve is an inverted barrel-shaped body, the plastic inner sleeve is embedded in the metal outer shell, the lower end of the metal outer shell is bent inwards to clamp the lower end of the plastic inner sleeve, the inner circumferential surface of the plastic inner sleeve is provided with the internal threads, and the upper end surface of the sealing ring is attached to the inner top surface of the plastic inner sleeve.
8. The packaging can capable of being sealed for the second time according to claim 1, characterized in that: the cooperation structure does be equipped with multistage joint sand grip on the necking down outer peripheral face, be equipped with a plurality of joint convex parts on the upper cover inner peripheral face, every joint convex part and one section joint sand grip looks joint cooperation.
9. The packaging can capable of being sealed for the second time according to claim 8, characterized in that: every section the joint sand grip is the slope form, every section the lower one end of joint sand grip still spacing convex part of downwardly extending.
10. The packaging can capable of secondary sealing according to any one of claims 1 to 9, characterized in that: the can body comprises a cylinder body and a bottom cover, the lower end of the cylinder body is sealed with the edge of the bottom cover in a rolling mode, a section of necking is formed at the upper part of the cylinder body, and the upper end of the cylinder body is sealed with the edge of a cover ring of the easy-to-tear cover in a rolling mode;
the can body and the easy-to-tear cover are both made of metal materials; the punching press has a plurality of convex parts on the easy tear piece of easily tearing the lid, still is equipped with on the easy tear piece and tears the portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406607.8U CN216003710U (en) | 2021-09-30 | 2021-09-30 | Packaging can capable of secondary sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406607.8U CN216003710U (en) | 2021-09-30 | 2021-09-30 | Packaging can capable of secondary sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216003710U true CN216003710U (en) | 2022-03-11 |
Family
ID=80584755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122406607.8U Active CN216003710U (en) | 2021-09-30 | 2021-09-30 | Packaging can capable of secondary sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216003710U (en) |
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2021
- 2021-09-30 CN CN202122406607.8U patent/CN216003710U/en active Active
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