CN215476888U - Sealed plastic tank with sealing and self-locking anti-theft function - Google Patents

Abstract

The utility model discloses a sealed plastic tank with sealing and self-locking anti-theft functions, and relates to the technical field of sealed plastic tanks. This sealed plastic tank with sealed and auto-lock theftproof function of opening, including can body and lid, the top of can body is provided with a jar mouth, the outer wall of jar mouth is provided with jar mouthful outer lock tooth, the outer wall of jar mouth and the top that is located jar mouthful outer lock tooth are provided with jar mouthful buckle closure step. The jar only needs compress tightly the lid or rotatory screwing up on the jar mouth through external force when sealed, can accomplish the sealed and theftproof of jar and open the function, easy operation is convenient, the sealed jar of this design only needs to accomplish simultaneously through lid and two parts of can body and seal and theftproof and open self-locking function, moreover, the steam generator is simple in structure, only lid and two parts of can body because of this design, and lid and can body can use same material to make, do not need special sealing equipment auxiliary seal, need not other auxiliary fittings, so low cost.

Description

Sealed plastic tank with sealing and self-locking anti-theft function

Technical Field

The utility model relates to the technical field of sealed plastic tanks, in particular to a sealed plastic tank with sealing and self-locking anti-theft functions.

Background

Plastic cans are small packaging containers made of plastic or plastic-based materials, typically with a sealable can lid. With the rising packaging cost of pop-top cans such as aluminum cans and tinplate cans, the conventional pop-top cans are opaque, and consumers cannot observe packaged products. Plastic packaging cans are coming out of the market in such a background. Plastics packing jar uses PET as the material, and is lighter than traditional easy open can, more does benefit to remote transportation, and the extranal packing is transparent, through the effective combination with some transparent labels, makes the product look very dynamic and pleasing to the eye, and the consumer can be closely observed the product simultaneously, and consumption experience is more perfect. Therefore, the plastic packaging can is popular, and a professional plastic packaging can manufacturer is provided at home. For the development of the market, perfect optimism considers that people need a plastic packaging tank product with exquisite package, good sealing performance, simple and convenient use and lower cost, and the growth of the market is a necessary trend.

The sealing mode that plastic tank on the existing market adopted has following several problems:

the first is a plastic can with a plastic lid that is directly screwed, which has poor sealing effect, and the lid is easy to be opened by theft, which easily causes the theft of the contents in the can and the loss or the pollution.

The second kind is the plastic tank that uses metal covering or metallic film to seal, and this kind of jar accessory is many, and sealed needs special sealing equipment, and metal covering and special sealing equipment price are high, and is with higher costs, and it is all inconvenient to use the debugging, and because the lid is metallic, the lid will influence the transparency of whole jar, and the whole bandwagon effect of product will be less.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed plastic tank with sealing and self-locking anti-theft functions, and solves the technical problems that the existing sealed plastic tank is poor in sealing effect, articles in the tank are easy to be stolen, polluted and high in production cost.

In order to achieve the purpose, the utility model provides the following technical scheme: a sealed plastic tank with sealing and self-locking anti-theft opening functions comprises a tank body and a cover, wherein a tank opening is formed in the top of the tank body, an outer tank opening locking tooth ring is arranged on the outer wall of the tank opening, a tank opening buckling cover step is arranged on the outer wall of the tank opening and positioned above the outer tank opening locking tooth ring, a tank opening arc-shaped sealing bevel edge is arranged on the outer wall of the tank opening buckling cover step, an opening pull ring is arranged on the outer wall of the cover, an easy-tearing notch is formed in one side, positioned above the opening pull ring, of the outer wall of the opening pull ring, a pull ring easy-tearing thin-wall area is arranged at the position, positioned above the easy-tearing notch, of the outer wall of the opening pull ring, an inner cover locking tooth ring is arranged on the inner wall of the cover, a buckling cover protruding ring is arranged on the inner wall of the cover and positioned above the inner locking tooth ring of the cover, an unlocking easy-tearing area is arranged between the inner locking tooth ring and the thin wall buckling cover protruding ring, and an arc-shaped extrusion sealing inclined surface is arranged on the inner wall of the top of the cover, an inclined plane pressing movable space is formed between the outer wall of one side of the arc-shaped extrusion sealing inclined plane and the inner wall of the cover, and an annular extrusion sealing ring is arranged on the inner wall of the top of the cover.

Preferably, jar mouthful outer latch ring and lid internal latch ring are designed into the intermittent type interval ring structure, the inner wall of lid is provided with the lid internal thread, the outer wall of jar mouthful is provided with jar mouthful external screw thread, lid and jar mouthful pass through lid internal thread and jar mouthful external screw thread threaded connection.

Preferably, the easy-tearing gap is formed at the intersection of the opening pull ring and the cover, the pull ring easy-tearing thin-wall area is arranged on an inclined line formed by the unlocking easy-tearing thin-wall area and the easy-tearing gap, and the pull ring easy-tearing thin-wall area is connected with the unlocking easy-tearing thin-wall area.

Preferably, the outer locking gear ring of the can opening and the inner locking gear ring of the cover form a ratchet-shaped interlocking structure after being pressed or screwed by external force.

Preferably, the space formed between the outer wall of the bottom of the step of the tank opening buckle cover and the outer wall of the outer lock gear ring of the tank opening is matched with or matched with the buckle cover convex ring.

Preferably, the arc extrusion sealing inclined plane is the design of can deforming, the inclined plane compresses tightly the activity space and provides mobilizable space for arc extrusion sealing inclined plane when being extruded.

Preferably, the arc extrusion sealing inclined plane and the annular extrusion sealing ring are arranged on two sides of the arc sealing inclined plane of the tank opening, and the annular extrusion sealing ring is arranged on the arc extrusion sealing inclined plane and is far away from one side of the inclined plane for compressing the movable space.

Preferably, the step of the cover buckle of the tank opening and the convex ring of the buckle cover form an interlocking and mutually buckled structure after the cover and the tank opening are tightly closed, so that the cover can be repeatedly sealed.

Compared with the related art, the sealed plastic tank with the sealing and self-locking anti-theft function has the following beneficial effects:

1. the jar only needs compress tightly the lid or rotatory screwing up on the jar mouth through external force when sealed, can accomplish sealed and the theftproof of jar and open the function, and easy operation is convenient.

2. The seal pot of this design only needs can accomplish simultaneously through two parts of lid and can body sealed and theftproof open self-locking function, simple structure.

3. Because the design only comprises the cover and the can body which can be made of the same material, the special sealing equipment is not needed for auxiliary sealing, and other auxiliary accessories are not needed, so the cost is low.

4. The cover is pressed in or screwed to the tank opening through external force to complete sealing, and meanwhile, the cover has a self-locking anti-theft function, so that two purposes are achieved, and articles in the tank can not be lost and polluted due to the fact that the articles are randomly opened by people during sealing.

5. This design adopts the sealed design of physics, need not joint strip and can seal promptly, utilizes the structure that can own exist to seal, and is sealed effectual with low costs, can directly pull up when can need opening and tear the opening pull ring on the lid and can open easy operation convenience.

6. Because the can is sealed without using a metal cover or a metal film, the can be made into a fully transparent can, the overall display effect of the contents in the can is very good, and the purchase desire is increased.

7. Can mouthful buckle closure step and lid buckle closure arch can form the structure that the interlocking was buckled each other after lid and jar mouth close tightly, can not let the lid directly fall after opening the lid through opening the pull ring to under the condition that the pull ring was torn, the lid still can be covered once more and seal, play sealed effect many times.

Drawings

FIG. 1 is a schematic perspective view of a can body according to the present invention;

FIG. 2 is a front view of the cap of the present invention in an unsealed state;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic perspective view of the cover of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4B according to the present invention;

FIG. 6 is a front view of the self-locking seal structure of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 6 at D according to the present invention;

FIG. 9 is a schematic view of a sealed self-locking structure according to the present invention;

FIG. 10 is a schematic view of the unsealed self-locking structure according to the present invention;

FIG. 11 is another schematic view of the construction of the spout of the present invention;

fig. 12 is another schematic view of the cap of the present invention.

In the figure: 1. a can body; 2. a cover; 3. a tank opening; 4. a tooth ring is locked outside the tank opening; 5. covering the step at the opening of the tank; 6. the arc-shaped sealing bevel edge of the tank opening; 7. opening the pull ring; 8. an easy-to-tear notch; 9. unlocking the easily torn thin-walled region; 10. the pull ring is easy to tear the thin-walled area; 11. a locking ring gear is arranged in the cover; 12. covering the convex ring; 13. the inclined plane compresses the movable space; 14. the sealing inclined plane is extruded in an arc shape; 15. annularly extruding the sealing ring; 16. a cap internal thread; 17. and (4) external threads of the tank opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-10, the present invention provides a technical solution: sealed plastic tank with sealed and auto-lock theftproof function, including can body 1 and lid 2, the top of can body 1 is provided with jar mouth 3, the outer wall of jar mouth 3 is provided with jar mouthful outer latch ring 4, the outer wall of jar mouth 3 is provided with jar mouthful buckle closure step 5 just to be located the top of jar mouthful outer latch ring 4, the outer wall of jar mouthful buckle closure step 5 is provided with jar mouthful arc seal hypotenuse 6, the outer wall of lid 2 is provided with opens pull ring 7, the outer wall of lid 2 just is located one side of opening pull ring 7 and is provided with easily tears breach 8, the outer wall of opening pull ring 7 just is located easily tears 8 departments and is provided with pull ring easily to tear thin wall district 10, easily tear breach 8 and set up in the crossing department of opening pull ring 7 and lid 2, pull ring easily tears thin wall district 10 and sets up on the inclined line that thin wall district 9 and easily tear breach 8 and form, pull ring easily tears district 10 and unblock easily tear district 9 and link together.

In this embodiment, this design needs to let lid 2 and jar mouth 3 compress tightly in order to accomplish sealed and the auto-lock theftproof function of jar with external force, through lid internal lock ring 11 on the lid 2 and jar mouth external lock ring 4 of 3 outer walls of jar mouth form interlocking structure, lid 2 compresses tightly back lid internal lock ring 11 and the unable direct opening of jar mouth external lock ring 4 interlocking back lid 2, if want to open jar just must destroy lid internal lock ring 11 and the jar mouth external lock ring 4 interlocking structure on the jar, only need pull up the opening pull ring 7 on the lid 2 outer wall and easily tear thin wall region 10 and the whole tearing of unblock easily tear thin wall region 9 through easily tearing breach 8 during the opening, the interlocking structure that the internal lock ring 11 and the jar mouth external lock ring 4 formed after tearing is destroyed, lid 2 normally opens. If we need seal an article with the plastic tank, only need put into the jar article, then put on lid 2 on jar mouth 3, press in lid 2 on jar mouth 3 with the hand power a little, compress tightly lid 2 back lid 2 and be in auto-lock theftproof open state and can't open, when we need take out article in the jar, only need pull up and tear opening pull ring 7 on the lid 2 and just can open the jar and take out article, simple and convenient. In this embodiment, the external locking ring 4 and the internal locking ring 11 are designed as ring structures with interval arrangement, which can save material, reduce the weight of the lid 2, and reduce cost, and in practical application, they may not be segmented, and form a continuous ring.

Example two:

referring to fig. 1-10, on the basis of the first embodiment, the present invention provides a technical solution: the inner wall of the cover 2 is provided with a cover inner lock tooth ring 11, the can opening outer lock tooth ring 4 and the cover inner lock tooth ring 11 are designed into annular structures with intervals, the can opening outer lock tooth ring 4 and the cover inner lock tooth ring 11 form a ratchet-shaped interlocking structure after being pressed or screwed tightly by external force, the inner wall of the cover 2 is provided with a buckle cover convex ring 12 above the cover inner lock tooth ring 11, a space formed between the outer wall of the bottom of the can opening buckle cover step 5 and the outer wall of the can opening outer lock tooth ring 4 is matched with or matched with the buckle cover convex ring 12, the can opening buckle cover step 5 and the buckle cover convex ring 12 form an interlocking and mutually buckled structure after the cover 2 and the can opening 3 are tightly combined, the repeated sealing of the cover 2 is realized, an unlocking thin-wall-easy-tearing area 9 is arranged between the cover inner lock tooth ring 11 and the buckle cover convex ring 12, the inner wall of the top of the cover 2 is provided with an arc-shaped extrusion sealing inclined plane 14, and the arc-shaped extrusion sealing inclined plane 14 is designed to be deformable, the inclined plane compresses tightly that activity space 13 provides mobilizable space for when sealed inclined plane 14 of arc extrusion is extruded, it compresses tightly activity space 13 to be formed with the inclined plane between one side outer wall on the sealed inclined plane 14 of arc extrusion and the inner wall of lid 2, the top inner wall of lid 2 is provided with annular extrusion sealing ring 15, the sealed inclined plane 14 of arc extrusion sets up in the both sides of jar mouth arc-sealed hypotenuse 6 with annular extrusion sealing ring 15, annular extrusion sealing ring 15 sets up and keeps away from one side that the inclined plane compressed tightly activity space 13 in the sealed inclined plane 14 of arc extrusion.

In this embodiment, top is equipped with annular extrusion sealing ring 15 in the lid 2, jar mouth 3 is equipped with arc extrusion sealing inclined plane 14, jar mouth arc sealing inclined plane 6 will upwards extrude the arc extrusion sealing inclined plane 14 at 2 top edges of lid when lid 2 covers tightly, jar mouth 3 inner wall can extrude the annular extrusion sealing ring 15 at lid 2 top simultaneously, the arc extrusion sealing inclined plane 14 and the annular extrusion sealing ring 15 at lid 2 top can play a left and right sides tight effect to jar mouth 3 this moment, in order to reach best sealed effect, accomplish the sealed of jar. The can opening 3 of the can body 1 is provided with the can opening buckling cover step 5 matched with the buckling cover convex ring 12 of the cover 2, the cover 2 can be conveniently buckled on the can opening 3 again after being opened for repeated sealing use, and the can is in a sealed and self-locking anti-theft opening state. When the cover is required to be opened, the opening pull ring 7 on the outer wall of the tearing cover 2 is pulled up to be torn off completely along the pull ring easy-tearing thin-wall area 10 and the unlocking easy-tearing thin-wall area 9 through the easy-tearing notch 8, the interlocking structure formed by the cover inner lock tooth ring 11 and the can opening outer lock tooth ring 4 is broken after tearing, and the cover 2 is opened normally.

Example three:

referring to fig. 11-12, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: a sealed plastic can with sealing and self-locking anti-theft opening functions comprises a can body 1 and a cover 2, wherein a can opening 3 is arranged at the top of the can body 1, an outer lock tooth ring 4 outside the can opening is arranged on the outer wall of the can opening 3, a can opening buckle cover step 5 is arranged on the outer wall of the can opening 3 and positioned above the outer lock tooth ring 4, an arc-shaped sealing bevel edge 6 of the can opening is arranged on the outer wall of the can opening buckle cover step 5, an opening pull ring 7 is arranged on the outer wall of the cover 2, an easy-tearing notch 8 is arranged on one side of the outer wall of the cover 2 and positioned on the opening pull ring 7, a pull ring easy-tearing thin-wall area 10 is arranged on the outer wall of the opening pull ring 7 and positioned at the easy-tearing notch 8, the easy-tearing notch 8 is arranged at the intersection of the opening pull ring 7 and the cover 2, the pull ring easy-tearing thin-wall area 10 is arranged on a bevel line formed by the unlocking easy-tearing thin-wall area 9 and the easy-tearing notch 8, and the pull ring easy-tearing area 10 is connected with the unlocking easy-tearing area 9, the inner wall of lid 2 is provided with lid internal thread 16, and the outer wall of jar mouth 3 is provided with jar mouth external screw thread 17, and lid 2 passes through lid internal thread 16 and jar mouth external screw thread 17 threaded connection with jar mouth 3.

In this embodiment, set up jar mouth external screw thread 17 at the outer wall of jar mouth 3, the inner wall of lid 2 is provided with the identical lid internal thread 16 with jar mouth external screw thread, jar mouth buckle closure step 5 replaces jar mouth external screw thread 17 in 1 embodiment 2 of former embodiment in this embodiment, lid 2 buckle closure bulge loop 12 replaces lid internal thread 16, through setting up lid internal thread 16 and jar mouth 3 external screw thread 17, can make jar 3 can also carry out the repeated sealed use after opening, lock ring gear 11 and jar mouth 3 outer wall jar mouth outer lock ring gear 4 of lid 2 inner wall can form interlocking structure when lid internal thread 16 screws with jar mouth external screw thread 17 simultaneously, realize auto-lock theftproof function.

The working principle is as follows: this design needs to let lid 2 and jar mouth 3 screw up through the lid is rotatory so that lid 2 and jar mouth 3 combine to accomplish the sealed and self-locking theftproof function of jar together with external force. Because of lid 2 and jar mouthful 16 jar mouthful external screw threads 17 that lid internal screw thread 3 were provided with, lid 2 can be screwed up on jar mouthful 3 through the rotation to the lid internal lock ring gear 11 on the lid 2 forms interlocking structure with the jar mouthful outer lock ring gear 4 of jar mouthful 3 outer wall, makes lid 2 can't directly open after lid internal lock ring gear 11 and the interlocking of jar mouthful outer lock ring gear 4. Meanwhile, as the inner top of the cover 2 is provided with the annular extrusion sealing ring 15 and the arc-shaped extrusion sealing inclined plane 14, when the cover 2 is screwed to the tank opening 3 in a rotating manner, the inner wall of the tank opening 3 can extrude the annular extrusion sealing ring 15 at the inner top of the cover 2, and the arc-shaped extrusion sealing inclined plane 6 of the tank opening can upwards extrude the arc-shaped extrusion sealing inclined plane 14 at the inner top of the cover 2, at the moment, the arc-shaped extrusion sealing inclined plane 14 and the annular extrusion sealing ring 15 at the inner top of the cover 2 can clamp the tank opening 3 leftwards and rightwards, so that the optimal sealing effect is achieved, and at the moment, the tank is in a sealing and self-locking anti-theft opening state; if the interlocking structure of the inner cover latch ring 11 and the outer opening latch ring 4 on the can is broken when the can is opened, the cover 2 can be opened only by tearing the opening pull ring 7 on the cover 2, which is simple and convenient. If we need to use the plastic can to seal an article, only need put into the jar article, then put lid 2 on jar mouth 3, twist into jar mouth 3 with the lid 2 rotation of exerting oneself a little by hand, screw up to target in place the back jar and seal and accomplish promptly, lid 2 has been in sealed auto-lock theftproof open state and can't open once more this moment, when we need get out the article in the jar, only need pull up and tear opening pull ring 7 on the lid 2 and just can open the jar and take out article, when the article did not use up in the jar, lid 2 can also screw up sealed once more, and is very simple and convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Sealed plastic tank with sealed and auto-lock theftproof function of opening, including can body (1) and lid (2), its characterized in that: the top of the can body (1) is provided with a can opening (3), the outer wall of the can opening (3) is provided with a can opening outer lock tooth ring (4), the outer wall of the can opening (3) is provided with a can opening buckle cover step (5) above the can opening outer lock tooth ring (4), the outer wall of the can opening buckle cover step (5) is provided with a can opening arc-shaped sealing bevel edge (6), the outer wall of the cover (2) is provided with an opening pull ring (7), one side of the outer wall of the cover (2) and positioned at the opening pull ring (7) is provided with an easy-tearing notch (8), the outer wall of the opening pull ring (7) and positioned at the easy-tearing notch (8) is provided with a pull ring easy-tearing thin-wall area (10), the inner wall of the cover (2) is provided with a cover inner lock tooth ring (11), the inner wall of the cover (2) and positioned above the cover inner lock tooth ring (11) is provided with a buckle cover convex ring (12), be provided with the unblock between latch ring (11) and buckle closure bulge loop (12) and easily tear thin wall district (9), the top inner wall of lid (2) is provided with arc extrusion sealing inclined plane (14), be formed with inclined plane between one side outer wall on arc extrusion sealing inclined plane (14) and the inner wall of lid (2) and compress tightly free space (13), the top inner wall of lid (2) is provided with annular extrusion sealing ring (15).

2. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: jar mouthful outer latch ring (4) and lid internal latch ring (11) are designed into the interval annular structure of intermitting, the inner wall of lid (2) is provided with lid internal thread (16), the outer wall of jar mouth (3) is provided with jar mouthful external screw thread (17), lid (2) and jar mouth (3) are through lid internal thread (16) and jar mouthful external screw thread (17) threaded connection.

3. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: the easy-tearing gap (8) is formed in the intersection of the opening pull ring (7) and the cover (2), the pull ring easy-tearing thin-wall area (10) is arranged on an inclined line formed by the unlocking easy-tearing thin-wall area (9) and the easy-tearing gap (8), and the pull ring easy-tearing thin-wall area (10) is connected with the unlocking easy-tearing thin-wall area (9).

4. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: the outer locking gear ring (4) of the tank opening and the inner locking gear ring (11) of the cover form a ratchet-shaped interlocking structure after being pressed or screwed by external force.

5. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: the space formed between the outer wall of the bottom of the tank opening buckle cover step (5) and the outer wall of the tank opening outer lock gear ring (4) is matched with the buckle cover convex ring (12) or is matched with the buckle cover convex ring.

6. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: the arc extrusion sealing inclined plane (14) is of a deformable design, and the inclined plane pressing movable space (13) provides a movable space when the arc extrusion sealing inclined plane (14) is extruded.

7. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: arc extrusion sealing inclined plane (14) and annular extrusion sealing ring (15) set up in the both sides of jar mouth arc sealing hypotenuse (6), annular extrusion sealing ring (15) set up and keep away from one side that inclined plane compressed tightly enclosure space (13) in arc extrusion sealing inclined plane (14).

8. The sealed plastic tank with sealing and self-locking anti-theft function according to claim 1, characterized in that: the tank opening buckling cover step (5) and the buckling cover convex ring (12) form an interlocking and mutually buckling structure after the cover (2) and the tank opening (3) are tightly closed, so that the repeated sealing of the cover (2) is realized.

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