CN108001834B - A kind of plastic packing box that leakproofness is strong - Google Patents
A kind of plastic packing box that leakproofness is strong Download PDFInfo
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- CN108001834B CN108001834B CN201711144068.7A CN201711144068A CN108001834B CN 108001834 B CN108001834 B CN 108001834B CN 201711144068 A CN201711144068 A CN 201711144068A CN 108001834 B CN108001834 B CN 108001834B
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- extension
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- vertical extension
- horizontal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/06—Removable lids or covers having a peripheral channel embracing the rim of the container
- B65D43/065—Removable lids or covers having a peripheral channel embracing the rim of the container the peripheral channel having an inverted U-shape
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The present invention proposes a kind of plastic packing box that leakproofness is strong, first oblique extension and the second oblique extension are completely into this card slot, the lower end of second oblique extension elastic can open and be contacted after the upper end of the first oblique extension and the second oblique extension is resisted against the lower surface of the second horizontal extension portion arc with the vertical extension of third, as the first vertical extension goes successively to this card slot, first vertical extension supports the first oblique extension upwards, first oblique extension can play a supporting role to the second oblique extension, the arcuate lower surface in the second horizontal extension portion can have downward reversed support force to the first oblique extension and the second oblique extension, the upper end of first oblique extension drives the upper end of the second oblique extension to slide along the arcuate lower surface in the second horizontal extension portion towards the vertical extension of third, second oblique prolongs The lower end in exhibition portion gradually takes advantage of a situation along the medial surface of the vertical extension of third and slides into accommodation groove and be stuck at fixture block, realizes dual-seal automatically.
Description
Technical field
The present invention relates to daily life fields, and in particular to a kind of plastic packing box that leakproofness is strong.
Background technique
The structure of plastic packing box has been known, as Chinese utility model patent CN201320651003.2 discloses one kind one
Secondary property plastics cutlery box, including box body and box cover compatible with box body, the box body is interior to be equipped at least two for dividing box body
It is divided into the grid in multiple spaces, the outer peripheral edge of the box body is equipped with the buckle closure side connecting with box cover, and the intracorporal grid of box is higher than
Buckle closure side, the box cover middle part form upward lug boss, and the outer peripheral edge of box cover is equipped with button compatible with the buckle closure side of box body
Be evenly arranged multiple latches in cover slot and cover groove inner wall, when the box body and box cover lid close, the intracorporal grid top surface of box with
The bottom surface of box cover lug boss fits closely, and the buckle closure side of box body is fixed in the cover groove of box cover by latch.In the box body
Equipped at least three bar gratings, wherein at least two grid parallel arrangement, at least two bar gratings are arranged vertically.The box body and grid
Integrated injection molding.The buckle closure side bottom surface of the box body has been evenly arranged a plurality of reinforcing rib, the reinforcing rib and box cover ontology one
Injection molding.Reinforcing rib, four apex angles of the reinforcing rib arrangement and box cover are equipped between the lug boss and cover groove of the box cover
Place and with box cover integrated injection molding.The box body, box cover are set as transparent configuration.
The structure of aforementioned utility model and the structure of other plastic packing boxes in the market are substantially similar, in actual use process
In, it is not tight, poorly sealed with cases snap all to there is lid, the case where internal gas and liquid leakage easily occurs, gives user
Many troubles are brought, practicability is to be improved.
In consideration of it, inventor furthers investigate the above problem, there is this case generation then.
Summary of the invention
The purpose of the present invention is to provide it is a kind of buckle it is tight and buckle while can realize automatically it is multi-sealed, sealing
Effect and heat insulation effect significantly improve, novel and reasonable structure, the strong plastic packing box of practical leakproofness.
In order to achieve the above object, the present invention uses such technical solution:
A kind of plastic packing box that leakproofness is strong, including the plastic box body being below and in top and and plastic box body
The plastic box cover to match；The plastic box body and plastic box cover have at center and vertically arranged central axes, with court
Side to the central axes direction be it is interior, to be outer towards the side of the central axes opposite direction；The plastic box body includes
Filling part in lower part and the box clamping part buckled in top and the plastic box cover；The box clamping part includes
It connect the first level extension of simultaneously outside horizontal extension with the filling part upper end, is connected to first level extension outer end
And the first vertical extension to extend upwards, it is connected to the first vertical extension upper end and gradually extends obliquely from the inside to the outside
First oblique extension, and be connected to the first oblique extension upper end and from top to bottom gradually the second of oblique outer extension oblique prolong
Exhibition portion；
The plastic box cover includes being in the cap body of inner ring and matching in outer ring with the box clamping part to buckle
Cover latch portion；The cover latch portion include with the edge of the cap body connect and with the described first vertical extension it is corresponding to
The vertical extension of the second of upper extension, be connected to the second vertical extension upper end and it is corresponding with the described first oblique extension and to
Second horizontal extension portion of outer horizontal extension, is connected to the second horizontal extension portion outer end and the third to extend downwards vertically extends
Portion, and be formed in the vertical extension lower end of third and be stuck in the edge of the described second oblique extension lower end；Described second is horizontal
The lower edge of the cross section of extension is the low smooth arc in intermediate high both sides, and the width in second horizontal extension portion is less than
The width of the width of the first oblique extension, second horizontal extension portion is less than the described second oblique extension lower end extremely
Horizontal distance between the first oblique extension；The edge is in horizontal plane, the top surface edge shape of the edge
At there is the fixture block for being stuck in the described second oblique extension lower end inside, formed between the fixture block and the vertical extension of the third
There is the accommodation groove for accommodating the second oblique extension lower end；The width of the second oblique extension is less than the fixture block to institute
State the distance between second horizontal extension portion；
It is formed with the first card division on the inside of the first vertical extension, is formed on the outside of the second vertical extension
The second card division being fastened togather is matched with first card division；The upper end of the first vertical extension to first card division
The height of plane where the height of place plane is less than the described second vertical extension upper end to second card division, and described the
The height of plane is greater than the described second vertical extension upper end to institute where the upper end of one oblique extension to first card division
The height of plane where stating the second card division；The vertical extension of third is of same size with the described second oblique extension；When
The edge and the lower end of the described second oblique extension are fastened togather, and first card division is fastened togather with the second card division
When, the upper end sealing of the first oblique extension is resisted against the intersection in second horizontal extension portion and the vertical extension of third
Place, the lower end sealing of the first oblique extension are resisted against the outside of the described second vertical extension.
The lower edge of the cross section in second horizontal extension portion is arc-shaped.
First card division is the annular ridge for being formed on the inside of the described first vertical extension and surrounding one week, described the
Two card divisions are to be formed in the annular concave ditch to match on the outside of the described second vertical extension and with the annular ridge.
Second card division includes multiple annular concave ditch being arranged above and below, and the annular concave ditch of the top is to institute
The height of plane where stating cap body lower end is less than the annular ridge topmost to first level extension upper surface
The height of place plane；First card division includes multiple annular ridges being arranged above and below.
The annular ridge is formed by the fold section being formed in the described first vertical extension, and the annular concave ditch is by shape
Fold section in second vertical extension described in Cheng Yu is formed.
Angle is equipped with reinforcing rib between the second vertical extension and the upper surface of the cap body.
After adopting the above technical scheme, the plastic packing box that leakproofness of the invention is strong, breaks through the construction of Traditional Packing box
Form, in actual use, by plastic box cover corresponding lid on plastic box body, box clamping part and cover latch portion are buckled in one
It rises, specifically, plastic box cover pushes, and the second vertical extension, the second horizontal extension portion and the vertical extension of third constitute card slot
Structure, the first vertical extension, the first oblique extension and the second oblique extension are oblique by the first oblique extension and second
It takes advantage of a situation to the inclined surface of extension and extend into what the second vertical extension, the second horizontal extension portion and the vertical extension of third were constituted
In card slot, edge is set to be stuck in the lower end of the second oblique extension, and the first card division and the second card division are fastened togather, and are protruding into
Cheng Zhong, when the first oblique extension and the second oblique extension progress into the second vertical extension, the second horizontal extension portion and
There is elasticity tension, and when the first oblique extension and the second oblique extension are complete when in the card slot that the vertical extension of third is constituted
After entering this card slot entirely, the lower end of the second oblique extension can elasticity open and contacted with the vertical extension of third, when first tiltedly
After being resisted against the lower surface of the second horizontal extension portion arc to the upper end of extension and the second oblique extension, with plastic box cover
Continuing to push, the first vertical extension goes successively to this card slot, and the first vertical extension supports the first oblique extension upwards, the
One oblique extension can play a supporting role to the second oblique extension, and the arcuate lower surface in the second horizontal extension portion can be to first
Oblique extension and the second oblique extension have downward reversed support force, and make the first oblique extension by lower end fulcrum
It overturns gradually downward, gradient gradually decreases, and lateral dimension is gradually increased, while the upper end of the first oblique extension drives second
The upper end of oblique extension is slided along the arcuate lower surface in the second horizontal extension portion towards the vertical extension of third, in the same of sliding
When, the lower end of the second oblique extension is gradually taken advantage of a situation along the medial surface of the vertical extension of third to be slid downwardly into accommodation groove and blocks
At fixture block；It simultaneously seals the upper end of the first oblique extension and is resisted against the second horizontal extension portion and the vertical extension of third
Intersection, the lower end sealing of the first oblique extension are resisted against the outside of the second vertical extension, realize dual-seal automatically, and
And first card division and the second card division realize third resealing, the lower end realization quadruple of accommodation groove and the second oblique extension is close
Envelope, and then realize lid and plastic box body buckle while, carries out multi-sealed automatically, overcomes Traditional Packing box poorly sealed, easy
Leak the defect of internal gas and liquid etc..And after box clamping part and cover latch portion are fastened togather, the second horizontal extension portion
Arcuate lower surface and the first oblique extension between form confined space, this confined space can play flow transition and sealing effect
Quick heat exchange is carried out from also can avoid contact gap of the temperature from plastic box body with plastic box cover while fruit, is played certain
Insulation effect.Compared with prior art, the strong plastic packing box of leakproofness of the invention buckles tight and in the same of buckle
When, can be realized multi-sealed automatically, and sealing effect and heat insulation effect significantly improve, and novel and reasonable structure is practical.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is exploded schematic cross-sectional view of the invention；
Fig. 3 is the broken section structural schematic diagram of first state of the present invention；
Fig. 4 is the broken section structural schematic diagram of the second state of the invention；
Fig. 5 is the broken section structural schematic diagram of the third state of the present invention.
In figure:
1- plastic box body 11- filling part 12- box clamping part 121- first level extension 122- first vertically prolongs
The oblique extension of exhibition portion the first card division 1221- the first oblique extension 124- second of 123-
The second vertical the second card division extension 2211- 2- plastic box cover 21- cap body 22- cover latch portion 221-
The vertical extension 224- edge 225- accommodation groove 226- reinforcing rib 227- fixture block of the second horizontal extension of 222- portion 223- third
The central axes 3-.
Specific embodiment
In order to further explain the technical solution of the present invention, being described in detail below by specific embodiment.
The strong plastic packing box of a kind of leakproofness of the invention, as shown in Figs. 1-5, including the plastic box body 1 being below
With in top and the plastic box cover 2 that matches with plastic box body 1, respectively by with elastic plastic material integrated injection molding,
Specific material can be PC (polycarbonate) material, PE (polyethylene) material and PP (polypropylene) material etc.；Plastic box body 1 and plastics
Box cover 2 has at the center and vertically arranged central axes 3, be with the side towards 3 direction of central axes it is interior, with towards axis
The side of 3 opposite direction of line is outer.
Plastic box body 1 includes the box card for being in the filling part 11 of lower part and being buckled in top and plastic box cover 2
Buckle 12；Box clamping part 12 includes that the first level extension 121 of horizontal extension outward is connect simultaneously with 11 upper end of filling part, even
The the first vertical extension 122 for being connected to 121 outer end of first level extension and extending upwards, is connected to the first vertical extension
122 upper ends and the first oblique extension 123 gradually to extend obliquely from the inside to the outside, and it is connected to the first oblique extension 123
Upper end and from top to bottom gradually the second of oblique outer extension the oblique extension 124；Plastic box cover 2 includes the lid master in inner ring
Body 21 and the cover latch portion 22 for matching buckle with box clamping part 12 in outer ring；Cover latch portion 22 includes the side with cap body 21
Edge connection and the second vertical extension 221 to extend upwards corresponding with the first vertical extension 122 are connected to the second vertical extension
221 upper end of portion and corresponding with the first oblique extension 123 and horizontal extension outward the second horizontal extension portion 222, are connected to the
Two horizontal extension portions, 222 outer end and the vertical extension 223 of the third to extend downwards, and be formed under the vertical extension 223 of third
Hold and be stuck in the edge 224 of the second oblique 124 lower end of extension；During the lower edge of the cross section in the second horizontal extension portion 222 is
Between the low smooth arc in high both sides, and the width in the second horizontal extension portion 222 is less than the width of the first oblique extension 123,
The width in two horizontal extension portions 222 less than the second oblique 124 lower end of extension between the first oblique extension 123 it is horizontal away from
From；Edge 224 is in horizontal plane, and the top surface edge of edge 224, which is formed with, is stuck in the second oblique 124 lower end inside of extension
Fixture block 227, be formed between fixture block 227 and the vertical extension 223 of third accommodating the second oblique 124 lower end of extension accommodating
Slot 225；The width of second oblique extension 124 is less than the distance between 227 to the second horizontal extension portion 222 of fixture block；This structure
It can ensure that when the first oblique extension 123 and the second oblique extension 124 progress into the second vertical extension 221, the second water
There is elasticity tension when in the card slot that flat extension 222 and the vertical extension 223 of third are constituted, and when the first oblique extension
123 and second oblique extension 124 completely into this card slot after, the lower end of the second oblique extension 124 can elasticity open and with
The vertical extension 223 of third contacts, when the upper end of the first oblique extension 123 and the second oblique extension 124 is resisted against second
Behind the lower surface of 222 arc of horizontal extension portion, as the first vertical extension 122 goes successively to this card slot, the first vertical extension
The first oblique extension 123 of support, the first oblique extension 123 can play support to the second oblique extension 124 upwards in portion 122
Effect, the arcuate lower surface in the second horizontal extension portion 222 can have the first oblique extension 123 and the second oblique extension 124
Downward reversed support force, and overturn the first oblique extension 123 gradually downward by lower end fulcrum, gradient gradually drops
Low, lateral dimension is gradually increased, while the upper end of the first oblique extension 123 drives the upper end edge of the second oblique extension 124
The arcuate lower surface in the second horizontal extension portion slided towards the vertical extension 223 of third, while sliding, the second oblique extension
The lower end in portion 124 is gradually taken advantage of a situation along the medial surface of the vertical extension 223 of third to be slid downwardly into accommodation groove 225 and is stuck in fixture block
At 227；The inside of first vertical extension 122 is formed with the first card division 1221, and the outside of the second vertical extension 221 is formed with
The second card division 2211 being fastened togather is matched with the first card division 1221；Upper end to the first card division of first vertical extension 122
The height of 1221 place planes less than the second vertical 221 upper end of extension to 2211 place plane of the second card division height, and
The height of the 1221 place plane of upper end to the first card division of one oblique extension 123 is greater than the second vertical 221 upper end of extension extremely
The height of second card division, 2211 place plane, this structure can ensure that the second horizontal extension portion 222 can be to the first oblique extension 123
It presses downwards and the first card division 1221 can be made to be fastened togather with the second card division 2211；The vertical extension 223 and second of third is oblique
To the of same size of extension 124, this structure can ensure that the upper end of the first oblique extension 123 is resisted against the second level just and prolongs
The intersection in exhibition portion 222 and the vertical extension 223 of third, and edge 224 is buckled with the lower end of the second oblique extension 124 just
Together；When edge 224 and the lower end of the second oblique extension 124 are fastened togather, the first card division 1221 and the second card division
2211 when being fastened togather, and the upper end sealing of the first oblique extension 123 is resisted against the second horizontal extension portion 222 and third is vertical
The intersection of extension 223, the lower end sealing of the first oblique extension 123 are resisted against the outside of the second vertical extension 221.This
In actual use, by 2 corresponding lid of plastic box cover on plastic box body 1, box clamping part 12 and cover latch portion 22 block for invention
It is buckled together, specifically, plastic box cover 2 pushes, and the second vertical extension 221, the second horizontal extension portion 222 and third are vertically prolonged
Exhibition portion 223 constitute notch, the first vertical extension 122, the first oblique extension 123 and the second oblique extension 124 according to
It takes advantage of a situation by the inclined surface of the first oblique extension 123 and the second oblique extension 124 and extend into the second vertical extension 221,
In the card slot that two horizontal extension portions 222 and the vertical extension 223 of third are constituted, edge 224 is made to be stuck in the second oblique extension 124
Lower end, and the first card division 1221 and the second card division 2211 are fastened togather, during protruding into, when the first oblique extension
123 and second oblique extension 124 progress into the second vertical extension 221, the second horizontal extension portion 222 and third and vertically prolong
There is elasticity tension, and when the first oblique extension 123 and the second oblique extension 124 are complete when in the card slot that exhibition portion 223 is constituted
After entering this card slot entirely, the lower end of the second oblique extension 124 elastic can open and contact with the vertical extension 223 of third, when
The upper end of first oblique extension 123 and the second oblique extension 124 is resisted against the lower surface of 222 arc of the second horizontal extension portion
Afterwards, as plastic box cover 2 continues to push, the first vertical extension 122 goes successively to this card slot, the first vertical extension 122 to
The first oblique extension 123 of upper support, the first oblique extension 123 can play a supporting role to the second oblique extension 124, the
The arcuate lower surface in two horizontal extension portions 222 can have the first oblique extension 123 and the second oblique extension 124 downward anti-
To support force, and overturn the first oblique extension 123 gradually downward by lower end fulcrum, gradient gradually decreases, laterally
Size is gradually increased, while the upper end of the first oblique extension 123 drives the upper end of the second oblique extension 124 along the second water
The arcuate lower surface of flat extension is slided towards the vertical extension 223 of third, while sliding, the second oblique extension 124
It gradually takes advantage of a situation along the medial surface of the vertical extension 223 of third and is slid downwardly into accommodation groove 225 and is stuck at fixture block 227 in lower end；
It simultaneously seals the upper end of the first oblique extension 123 and is resisted against the second horizontal extension portion 222 and the vertical extension 223 of third
Intersection, the lower end sealing of the first oblique extension 123 are resisted against the outside of the second vertical extension 221, realize automatically dual
Sealing, and third resealing, accommodation groove 225 and the second oblique extension are realized in the first card division 1221 and the second card division 2211
The 4th resealing is realized in 124 lower end, so realize lid 2 and the buckle of plastic box body 1 while carry out automatically it is multi-sealed, gram
Take the defect of poorly sealed Traditional Packing box, leakiness internal gas and liquid etc..And work as box clamping part 12 and cover latch portion 22
After being fastened togather, confined air is formed between the arcuate lower surface in the second horizontal extension portion 222 and the first oblique extension 123
Between, it also can avoid temperature while this confined space can play flow transition and sealing effect from plastic box body 1 and plastic box cover 2
Contact gap at carry out quick heat exchange, play certain insulation effect.
Preferably, the lower edge of the cross section in the second horizontal extension portion 222 is arc-shaped.It is oblique that this structure is more conducive to first
The meeting of extension 123 carries out smooth stable sliding to the upper end of the second oblique extension 124.
In order to implement the structure of the first card division 1221 and the second card division 2211, it is preferable that the first card division 1221 is shape
At in the first vertical 122 inside of extension and around one week annular ridge, the second card division 2211 is to be formed in second vertically to prolong
Annular concave ditch exhibition portion 221 outside and matched with the first card division 1221 of annular ridge form.
Preferably, the second card division 2211 includes multiple annular concave ditch being arranged above and below, and the annular concave ditch of the top extremely covers
1221 the top of the first card division to the first level that the height of plane where sub- 21 lower end of main body is less than annular ridge form extends
The height of plane where 121 upper surface of portion.In actual use, user can make any annular recessed to the present invention as needed
Ditch and the first card division 1221 of annular ridge form are fastened togather, and the buckle for coming damper box clamping part 12 and cover latch portion 22 is deep
Degree, and then the contact strength with cover latch portion 22 of the first oblique extension is adjusted, to adjust required sealing effect.
Preferably, the first card division 1221 includes multiple annular ridges being arranged above and below, in this way, multiple annular ridge forms
First card division 1221 can be matched with the second card division 2211 of multiple annular concave ditch forms carries out multiple annular ridges and multiple rings
The multiple click on fashion that shape chase is fastened togather simultaneously, stronger and leakproofness are strong.
Preferably, annular ridge is formed by the fold section being formed in the first vertical extension 122, and annular concave ditch is by forming
It is formed in the fold section in the second vertical extension 221.This structure is convenient for injection molding.
Preferably, angle is equipped with reinforcing rib 226 between the second vertical extension 221 and the upper surface of cap body 21.
In actual use, the bending that reinforcing rib 226 can enhance the second vertical extension 221 and cap body 21 is strong by the present invention
Degree, and then enhance the intensity of entire plastic box cover 2 and the buckle intensity of the first card division 1221 and the second card division 2211, and
Second vertical extension 221 is enhanced sealing performance by being unlikely to deform after the supporting of the first oblique extension 123.
Product form of the invention is not limited to this case diagram and embodiment, anyone carries out the appropriate of similar thinking to it
Changes or modifications all should be regarded as not departing from patent category of the invention.
Claims (6)
1. a kind of plastic packing box that leakproofness is strong, including the plastic box body that is below and in top and with plastic box body phase
Matched plastic box cover；The plastic box body and plastic box cover have at center and vertically arranged central axes, with direction
The side in the central axes direction be it is interior, to be outer towards the side of the central axes opposite direction；It is characterized by: the plastics
Box body includes the box clamping part for being in the filling part of lower part and being buckled in top and the plastic box cover；The box card
Buckle includes that the first level extension of horizontal extension outward is connect simultaneously with the filling part upper end, is connected to first level and prolongs
Exhibition portion outer end and the first vertical extension to extend upwards are connected to the first vertical extension upper end and gradually oblique from the inside to the outside
The oblique extension of the first of upper extension, and it is connected to the first oblique extension upper end and from top to bottom gradually the of oblique outer extension
Two oblique extensions；
The plastic box cover includes the lid card for being in the cap body of inner ring and matching buckle with the box clamping part in outer ring
Buckle；The cover latch portion includes and the connection of the edge of the cap body and corresponding with the described first vertical extension prolongs upwards
Second vertical extension of exhibition, is connected to the second vertical extension upper end and water corresponding and outside with the described first oblique extension
Flat the second horizontal extension portion extended, the vertical extension of third for being connected to the second horizontal extension portion outer end and extending downwards, and
It is formed in the vertical extension lower end of third and is stuck in the edge of the described second oblique extension lower end；Second horizontal extension portion
The lower edge of cross section be the low smooth arc in intermediate high both sides, and the width in second horizontal extension portion is less than described the
The width of one oblique extension, the width in second horizontal extension portion are less than the described second oblique extension lower end to described the
Horizontal distance between one oblique extension；The edge is in horizontal plane, and the top surface edge of the edge is formed with card
In the fixture block of the described second oblique extension lower end inside, accommodating is formed between the fixture block and the vertical extension of the third
The accommodation groove of the second oblique extension lower end；The width of the second oblique extension is less than the fixture block to described second
The distance between horizontal extension portion；
It is formed with the first card division on the inside of the first vertical extension, is formed on the outside of the second vertical extension and institute
It states the first card division and matches the second card division being fastened togather；Where the upper end of the first vertical extension to first card division
The height of plane where the height of plane is less than the described second vertical extension upper end to second card division, and described first is oblique
The height of plane where to the upper end of extension to first card division is greater than the described second vertical extension upper end to described the
The height of plane where two card divisions；The vertical extension of third is of same size with the described second oblique extension；When described
Edge and the lower end of the described second oblique extension are fastened togather, when first card division and the second card division are fastened togather,
The upper end sealing of the first oblique extension is resisted against the intersection in second horizontal extension portion and the vertical extension of third,
The lower end sealing of the first oblique extension is resisted against the outside of the described second vertical extension.
2. a kind of strong plastic packing box of leakproofness according to claim 1, it is characterised in that: second horizontal extension
The lower edge of the cross section in portion is arc-shaped.
3. a kind of strong plastic packing box of leakproofness according to claim 1 or 2, it is characterised in that: first card division
For the annular ridge for being formed on the inside of the described first vertical extension and surrounding one week, second card division is is formed in described the
The annular concave ditch to match on the outside of two vertical extensions and with the annular ridge.
4. a kind of strong plastic packing box of leakproofness according to claim 3, it is characterised in that: second card division includes
Multiple annular concave ditch being arranged above and below, and plane where the annular concave ditch of the top to the cap body lower end
Height is less than the annular ridge topmost to the height of plane where first level extension upper surface；First card
Portion includes multiple annular ridges being arranged above and below.
5. a kind of strong plastic packing box of leakproofness according to claim 4, it is characterised in that: the annular ridge is by shape
Fold section in first vertical extension described in Cheng Yu is formed, and the annular concave ditch is by being formed in the described second vertical extension
Fold section formed.
6. a kind of strong plastic packing box of leakproofness according to claim 5, it is characterised in that: the described second vertical extension
Angle is equipped with reinforcing rib between portion and the upper surface of the cap body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144068.7A CN108001834B (en) | 2017-11-17 | 2017-11-17 | A kind of plastic packing box that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144068.7A CN108001834B (en) | 2017-11-17 | 2017-11-17 | A kind of plastic packing box that leakproofness is strong |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001834A CN108001834A (en) | 2018-05-08 |
| CN108001834B true CN108001834B (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711144068.7A Active CN108001834B (en) | 2017-11-17 | 2017-11-17 | A kind of plastic packing box that leakproofness is strong |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111483691B (en) * | 2019-01-28 | 2022-04-05 | 金箭印刷科技(昆山)有限公司 | Paper pulp moulded beverage cup cover and its making method |
| CN110789847A (en) * | 2019-11-12 | 2020-02-14 | 徐州达娇物资贸易有限公司 | Insulation box for logistics transportation of frozen commodities and sealing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8612239D0 (en) * | 1986-05-20 | 1986-06-25 | Lin Pac Mouldings | Container assembly |
| DE9010009U1 (en) * | 1990-07-02 | 1990-10-25 | Jokey-Plastik Wipperfürth GmbH, 5272 Wipperfürth | Plastic bucket and lid |
| DE9318733U1 (en) * | 1993-12-07 | 1994-02-17 | Kaspareth, Kasimir, 81827 München | Disposal container |
| CN2538192Y (en) * | 2002-01-22 | 2003-03-05 | 泉州梅洋塑胶五金制品有限公司 | Sealed snack box |
| EP1312560A2 (en) * | 2001-10-17 | 2003-05-21 | Rpc Containers Limited | Lid for container |
| CN203450546U (en) * | 2013-11-21 | 2014-02-26 | 纪腾云 | Box cover structure of injection molding food container |
-
2017
- 2017-11-17 CN CN201711144068.7A patent/CN108001834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8612239D0 (en) * | 1986-05-20 | 1986-06-25 | Lin Pac Mouldings | Container assembly |
| DE9010009U1 (en) * | 1990-07-02 | 1990-10-25 | Jokey-Plastik Wipperfürth GmbH, 5272 Wipperfürth | Plastic bucket and lid |
| DE9318733U1 (en) * | 1993-12-07 | 1994-02-17 | Kaspareth, Kasimir, 81827 München | Disposal container |
| EP1312560A2 (en) * | 2001-10-17 | 2003-05-21 | Rpc Containers Limited | Lid for container |
| CN2538192Y (en) * | 2002-01-22 | 2003-03-05 | 泉州梅洋塑胶五金制品有限公司 | Sealed snack box |
| CN203450546U (en) * | 2013-11-21 | 2014-02-26 | 纪腾云 | Box cover structure of injection molding food container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108001834A (en) | 2018-05-08 |
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