Plastic container

Abstract

A plastic container comprises a can body and a top cover, the can body comprises a top open end and a bottom closed end, and the top cover comprises an inner channel facing the bottom. The inner channel comprises an inner wall a and an outer wall b; two protrusions are arranged on the outer surface of the outer wall b to form a double-inverted-buckle structure. An outer channel in the same direction as the opening end is arranged on the edge of the opening end of the top of the tank body; the outer channel comprises an inner wall c and an outer wall d; two bulges are arranged on the inner surface of the outer wall d and are complementary with a double-inverted-buckle structure on the outer surface of the outer wall b of the inner channel; when the inner channel and the outer channel are pressed, the corresponding double-inverted-buckle complementary structure forms a sealing combination. The sealing device mainly solves the problem of sealing between the tank and the cover, is suitable for but not limited to containing paint liquid, has good sealing performance, and can bear certain vibration and falling in the transportation process, so that the cover is not prone to warping in the transportation and carrying processes.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing container technical field, especially a kind of plastic container. BACKGROUND

[0002] Plastic container (such as 1 gallon bucket) on market is conventional plastic single buckle point seals water-tight seal cover, and the sealing performance is general in storage and transportation, prone to problems such as lid warping or liquid leakage;And the resealing performance is poor after single opening;In addition, the existing barrel wall is thin, and single opening may directly damage the barrel body, cannot be repeatedly used, and cannot meet the demand of repeated opening. SUMMARY

[0003] The utility model discloses a plastic container, which mainly solves the sealing problem between the tank and the cover, is suitable for but not limited to containing paint liquid, has good sealing performance, can withstand certain shock and drop during transportation, and is not prone to lid warping during transportation and handling.

[0004] To solve the above problems, the utility model realizes the following technical scheme:

[0005] The plastic container of the utility model, which comprises a tank body and a top cover, the tank body comprises an open end at the top and a closed end at the bottom, and the top cover comprises an inner channel facing the bottom;The inner channel comprises an inner wall a and an outer wall b;Two protrusions are arranged on the outer surface of the outer wall b, forming a double reverse buckle structure;

[0006] The open end edge of the top of the tank body is provided with an outer channel in the same direction as the open end;The outer channel comprises an inner wall c and an outer wall d;Two protrusions are arranged on the inner surface of the outer wall d, which are complementary to the double reverse buckle structure on the outer surface of the outer wall b of the inner channel;When the inner channel and the outer channel are pressed together, the corresponding double reverse complementary structures form a sealed combination.

[0007] The double reverse buckle design causes the corresponding two locking protrusions to be locked in staggered positions when the top cover is pressed under external force, enhances the locking degree when the top cover and the tank body are buckled tightly, and the sealing performance of the two protrusions is stronger than that of a single protrusion.

[0008] Further optimization of the plastic container of the utility model is as follows:

[0009] The inner wall c of the outer channel is increased in thickness, so that the strength is increased, and the strength of the tank cover combination is increased by cooperating with the water sealing reinforcing rib, so that better sealing performance is achieved.

[0010] Further optimization of the plastic container of the utility model is as follows:

[0011] The entire cover surface of the top cover is designed as a flat surface without recess;And / or

[0012] The top end of the inner channel corresponds to the beam surface of the protruding beam, which is a plane and is designed as an R angle at the corner, thereby enhancing the outline and making the stacking more stable.

[0013] Further optimization of the plastic container is that:

[0014] The angle between the cover surface and the protruding beam corresponding to the top end of the inner channel is a right angle transition or a semicircular angle transition.

[0015] The angle between the cover surface and the protruding beam is 90 degrees, and the cover surface has no downward concave part, so that the cover surface is clean and not easy to accumulate dirt, and is easy to clean.

[0016] Further optimization of the plastic container is that:

[0017] The inner wall a is designed as a water sealing reinforcing rib. The water sealing reinforcing rib increases the strength and sealing property, can avoid the problem that a single point water sealing is easy to cause material leakage in the opening and closing process during transportation, and plays a role in protecting the packaging material in the tank. The water sealing reinforcing rib cooperates with the double reverse buckle structure to play a better clamping and locking role, and increase the overall strength and sealing property.

[0018] Further optimization of the plastic container is that:

[0019] A ring of sealing strips is arranged in the inner channel, and the sealing strips are located between the inner walls c of the inner channel and the outer channel when the tank body and the top cover are pressed and sealed. The sealing performance is better by adding a ring of sealing strips and cooperating with the sealing mode of the water sealing reinforcing rib, and the overall air tightness is better.

[0020] Further optimization of the plastic container is that:

[0021] Two hanging ears are symmetrically arranged on the outer wall of the tank body, the hanging ears are in the shape of hollow round corner square blocks, and the lower edges are in the shape of downward opening arcs.

[0022] Further optimization of the plastic container is that:

[0023] The top cover is provided with an inner cover mounting hole and is threadedly and sealingly connected with the inner cover;

[0024] The inner cover mounting hole is an installation hole formed by upward extension of the top cover and having an inner thread and an outward clamping point structure at the top end;

[0025] The lower end of the inner cover is a downward opening groove structure, and the groove structure comprises an outer thread corresponding to the inner thread on the inner cover mounting hole of the top cover and an inward clamping point structure corresponding to the outward clamping point structure on the inner cover mounting hole of the top cover;

[0026] The inner cover mounting hole on the top cover is screw-connected into the groove structure of the inner cover, so as to realize thread sealing connection.

[0027] The single-turn thread bayonet joint structure is used between the top cover and the inner cover, so that the color mixing cover and the water outlet cover are more easily screwed open.

[0028] Further optimization of the plastic container is:

[0029] The inner cover is one of a color mixing cover and a water outlet cover or is alternately used in combination.

[0030] Further optimization of the plastic container is:

[0031] The water outlet cover is tightened towards the water outlet, and the cross section is in the shape of a trapezoidal funnel.

[0032] The color mixing cover is provided with one or a combination of various shapes of protrusions and frosted structures on the cover surface plane, which facilitates opening of the cover and is easy to twist and pinch.

[0033] Further optimization of the plastic container is:

[0034] The water outlet cover is provided with two hanging ears on the outer surface of the bottom end, and the hanging ears are hollow protrusions with openings downward, which are used in cooperation with metal / plastic carrying beams during delivery.

[0035] The color mixing cover is provided with a thick strip-shaped protrusion in the middle position on the cover surface plane, and symmetrical thin arc-shaped protrusions with centers facing the thick strip-shaped protrusion on both sides of the thick strip-shaped protrusion; or the color mixing cover is provided with four thin strip-shaped combined protrusions in the middle position on the cover surface plane, and the two side ends of the four thin strip-shaped combined protrusions are respectively provided with frosted structures.

[0036] The color mixing cover is provided with vertical lines on the side edges, which increases friction and is locked with the top cover through the rotation knob mode during use.

[0037] Further optimization of the plastic container is:

[0038] The plastic container is made of any plastic material that can be injection molded, including but not limited to polypropylene or polyethylene. The open end edge of the top of the tank body can be formed separately from the open end, but is fixed to the open end of the container, and the tank body and the top cover are detachable and resealable.

[0039] The plastic container is improved in terms of the tank and cover composite joint mode, and mainly solves the technical problem of loose sealing of the plastic tank at present in China.

[0040] The preferred structure of the inner cover and the outer cover of the plastic container can also make the product have the basic sealing function, cooperate with the color adjusting cover and the water outlet cover, achieve the purpose of different operations on the contents in the container through the combination of different covers, and meet the requirements of easy opening of the color adjusting cover, easy pouring of the color adjusting, convenient color adjusting, and opening of the water outlet cover, etc. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 A specific connection structure diagram of a can body and a top cover in the plastic container of the utility model is shown;

[0042] Figure 2 A structure diagram of the top cover and the water outlet cover in cooperation in the plastic container of the utility model is shown.

[0043] BRIEF DESCRIPTION OF DRAWINGS:

[0044] 1-can body 2-top cover 3-inner channel

[0045] 4-inner wall a 5-outer wall b 6-outer channel

[0046] 7-inner wall c 8-outer wall d 9-protruding beam

[0047] 10-sealing strip 11-hanging ear 12-water outlet cover DETAILED DESCRIPTION

[0048] In order to make the purpose, technical scheme and advantages of the utility model more clear and understandable, the utility model content is described in detail below by combining with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not limited to the utility model. Any simple improvement of the utility model under the premise of the utility model concept belongs to the protection range of the utility model.

[0049] Embodiment 1

[0050] A plastic container comprises a can body 1 and a top cover 2, the can body 1 comprises an open end at the top and a closed end at the bottom, wherein the top cover 2 comprises an inner channel 3 facing the bottom; the inner channel 3 comprises an inner wall a 4 and an outer wall b 5; the outer surface of the outer wall b 5 is provided with two protrusions, forming a double reverse buckle structure;

[0051] The open end edge of the top of the can body 1 is provided with an outer channel 6 in the same direction as the open end; the outer channel 6 comprises an inner wall c 7 and an outer wall d 8; the inner surface of the outer wall d 8 is provided with two protrusions, which are complementary to the double reverse buckle structure on the outer surface of the outer wall b 5 of the inner channel 3; when the inner channel 3 and the outer channel 6 are pressed together, the corresponding double reverse complementary structures form a sealing combination.

[0052] The further optimization of the plastic container of the utility model is:

[0053] The inner wall c7 of the outer channel 6 is thickened according to actual needs.

[0054] Further optimization of the plastic container is:

[0055] The entire cover surface of the top cover 2 is designed as a plane without recesses; and / or

[0056] The beam surface of the protruding beam 9 corresponding to the top end of the inner channel 3 is a plane, and is designed as an R-angle at the corner.

[0057] Further optimization of the plastic container is:

[0058] The angle between the cover surface and the protruding beam 9 corresponding to the top end of the inner channel 3 is a right-angle transition or a semicircular-angle transition.

[0059] Further optimization of the plastic container is:

[0060] The inner wall a4 is designed as a water sealing reinforcing rib.

[0061] Further optimization of the plastic container is:

[0062] A ring of sealing strips 10 is arranged in the inner channel 3, and when the can body 1 and the top cover 2 are pressed and sealed, the sealing strips 10 are located between the inner wall c7 of the inner channel 3 and the outer channel 6.

[0063] Further optimization of the plastic container is:

[0064] Two hanging ears 11 are symmetrically arranged on the outer wall of the can body 1, the hanging ear 11 is in the shape of a hollow round-cornered square, and the lower edge is in the shape of a downward-opening circular arc.

[0065] Further optimization of the plastic container is:

[0066] The top cover 2 is provided with an inner cover mounting hole for threadedly and sealingly connecting the inner cover;

[0067] The inner cover mounting hole is a mounting hole upwardly extended from the top cover 2 and formed with an inner thread and an outward clamping point structure at the top end;

[0068] The lower end of the inner cover is a downwardly-opening groove structure, which comprises an outer thread corresponding to the inner thread on the inner cover mounting hole of the top cover 2 and an inward clamping point structure corresponding to the outward clamping point structure on the inner cover mounting hole of the top cover 2.

[0069] The inner cover mounting hole on the top cover 2 is screw-connected into the groove structure of the inner cover, so as to realize threadedly and sealingly connecting.

[0070] Further optimization of the plastic container is:

[0071] The inner cover is one of a toning cover and a water outlet cover 12 or an alternating combination.

[0072] Further optimization of the plastic container is:

[0073] The water outlet cover 12 is tightened towards the water outlet, and the cross section is in the shape of a trapezoidal funnel.

[0074] The toning cover is one of various shapes of protrusions and frosted structures on the cover surface plane to facilitate opening of the cover.

[0075] Further optimization of the plastic container is:

[0076] The water outlet cover 12 is tightened towards the water outlet, and the cross section is in the shape of a trapezoidal funnel.

[0077] The toning cover is one of various shapes of protrusions and frosted structures on the cover surface plane to facilitate opening of the cover.

[0078] The toning cover side edges are uniformly provided with vertical lines.

[0079] Further optimization of the plastic container is:

[0080] The plastic container is made of any injection-moldable plastic material, including but not limited to polypropylene or polyethylene. The open end edge of the top of the tank body 1 can be formed separately from the open end, but is fixed to the open end of the container, and the tank body 1 and the top cover 2 are detachable and resealable.

[0081] The plastic container is improved in terms of tank and cover composite lapping, mainly solving the technical problem of loose sealing of the domestic plastic tank.

[0082] The preferred structure of the inner and outer covers of the plastic container can also make the product have not only the basic sealing function, but also cooperate with the toning cover and the water outlet cover 12 to achieve different operations on the contents in the container through the combination of different covers, and can simultaneously meet the requirements of easy opening of the toning cover, easy pouring of the toning cover, convenient toning, and opening of the water outlet cover.

[0083] In summary, only the preferred examples of the present application are described, and the application is not limited in any way; any minor changes, modifications and equivalent variations made by those skilled in the art based on the disclosed technical content without departing from the technical scheme of the application are considered as equivalent examples of the application; at the same time, any equivalent changes, modifications and variations made according to the essential technical of the application to the above examples are still within the protection scope of the technical scheme of the application.

[0084] The position described in the technical scheme of the present application is only for clearly describing the connection mode of the corresponding structure, and is not limited as the specific actual position; in the case of the same or similar structure, connection mode and principle, it still belongs to the protection scope of the technical scheme of the present application.

[0085] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the range recorded in the present application.

[0086] The various optimization technical schemes in the present application can be combined with each other, unless otherwise stated.

[0087] Unless otherwise defined, all professional and scientific terms used in the present application have the same meaning as familiar to those skilled in the art. In addition, any method and material similar or equivalent to the recorded content can be applied in the present application.

Claims

1. A plastic container comprising a body and a cap, the body comprising an open top end and a closed bottom end, characterized in that: the cap comprises an inner channel facing the bottom; the inner channel comprises an inner wall a and an outer wall b; the outer surface of the outer wall b is provided with two protrusions, forming a double reverse buckle structure; the open top end of the body is provided with an outer channel in the same direction as the open top end; the outer channel comprises an inner wall c and an outer wall d; the inner surface of the outer wall d is provided with two protrusions, which are complementary to the double reverse buckle structure on the outer surface of the outer wall b of the inner channel; when the inner channel and the outer channel are pressed together, the corresponding double reverse complementary structures form a sealed combination.

2. The plastic container according to claim 1, characterized in that: the entire cover surface of the cap is designed as a flat surface without recesses; and / or the beam surface of the corresponding protruding beam at the top end of the inner channel is flat, and the corner is designed as an R angle.

3. The plastic container according to claim 2, characterized in that: the angle between the cover surface and the corresponding protruding beam at the top end of the inner channel is a right angle transition or a semicircular angle transition.

4. The plastic container according to claim 1, characterized in that: the inner wall a is designed as a water sealing reinforcing rib.

5. The plastic container according to claim 1, characterized in that: a sealing strip is arranged in the inner channel; when the body and the cap are pressed and sealed, the sealing strip is located between the inner wall c of the inner channel and the outer channel.

6. The plastic container according to claim 1, characterized in that: two hanging ears are symmetrically arranged on the outer wall of the body; the hanging ears are hollow cornered square blocks with downwardly open circular arc lower edges.

7. The plastic container according to claim 1, characterized in that: the cap is provided with an inner cap mounting hole for threadedly sealingly connecting with an inner cap; the inner cap mounting hole is an upwardly extending mounting hole with internal threads and an outwardly clamping point structure at the top end; the lower end of the inner cap is a downwardly open groove structure, which comprises external threads corresponding to the internal threads of the inner cap mounting hole of the cap and an inwardly clamping point structure corresponding to the outwardly clamping point structure of the inner cap mounting hole of the cap; the inner cap mounting hole of the cap is screw-connected into the groove structure of the inner cap, achieving threadedly sealingly connecting.

8. The plastic container according to claim 7, characterized in that: the inner cap is one of a color adjusting cap and a water outlet cap, or an alternative combination thereof.

9. The plastic container according to claim 8, characterized in that: the water outlet cap is a tapered funnel-shaped cap with a tapered outlet; the color adjusting cap is provided with one or a combination of a protrusion on the flat cap surface for facilitating opening of the cap and a frosted structure.

10. The plastic container according to claim 9, characterized in that: two hanging ears are symmetrically arranged on the outer surface of the lower end of the water outlet cap; the hanging ears are downwardly open hollow protrusions. The color mixing cover is provided with a thick strip-shaped convex in the middle of the cover surface plane, and thin arc-shaped convexes with their centers facing the thick strip-shaped convex are symmetrically arranged on both sides of the thick strip-shaped convex; or the color mixing cover is provided with four thin strip-shaped combined convexes in the middle of the cover surface plane, and frosted structures are arranged on the obliquely opposite ends of two side surfaces of the four thin strip-shaped combined convexes. The color mixing cover is provided with vertical lines on the edges of the side surfaces.

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