CN113200235A - Large-diameter hoop-free high-sealing plastic barrel - Google Patents

Large-diameter hoop-free high-sealing plastic barrel Download PDF

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Publication number
CN113200235A
CN113200235A CN202110623715.2A CN202110623715A CN113200235A CN 113200235 A CN113200235 A CN 113200235A CN 202110623715 A CN202110623715 A CN 202110623715A CN 113200235 A CN113200235 A CN 113200235A
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CN
China
Prior art keywords
sealing
groove
side wall
ring
outer side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110623715.2A
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Chinese (zh)
Inventor
李敖琪
李鸿伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Changqi Fluorine Plastic Products Co ltd
Original Assignee
Ningbo Changqi Fluorine Plastic Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Changqi Fluorine Plastic Products Co ltd filed Critical Ningbo Changqi Fluorine Plastic Products Co ltd
Priority to CN202110623715.2A priority Critical patent/CN113200235A/en
Publication of CN113200235A publication Critical patent/CN113200235A/en
Priority to US17/561,800 priority patent/US20220119167A1/en
Pending legal-status Critical Current

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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
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0264—Removable lids or covers with integral tamper element secured only by friction or gravity before removal of the tamper element
    • B65D43/0268—Removable lids or covers with integral tamper element secured only by friction or gravity before removal of the tamper element on both the inside and the outside of the mouth of the container
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • 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
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • B65D43/0249—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element on both the inside and the outside of the mouth of the container
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/14—Cans, casks, barrels, or drums characterised by shape
    • B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/024—Closures in which a part has to be ruptured to gain access to the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of containers
    • B65D77/32—Tearing-strings or like flexible elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/25—Non-metallic tear-off strips
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/005—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container both cup and skirt
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00629—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00759—Flange or lip
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

The invention discloses a large-caliber hoop-free high-sealing plastic barrel, which comprises a barrel body and a sealing cover, wherein the barrel body is provided with a bead part, a sealing ring is arranged on the bead part of the barrel body, the outer peripheral surface of the sealing ring is a first sealing surface, an annular clamping ring is also arranged on the outer side surface of the barrel body, the clamping ring is positioned below the sealing ring, the sealing cover is provided with a sealing groove for mounting the bead part, the sealing groove comprises a sealing groove inner side wall and a sealing groove outer side wall, the outer side surface of the sealing groove inner side wall is in sealing fit with the inner wall of the bead part, a second sealing surface in sealing fit with the first sealing surface is arranged on the inner side surface of the sealing groove outer side wall, a climbing hook strip corresponding to the clamping ring is arranged on the outer peripheral surface of the sealing cover, and a flange clamped by the clamping ring is arranged on the inner side wall of the climbing hook strip; the advantage is that the high leakproofness encapsulation of staving can be realized with the sealed cooperation along the oral area to the seal groove that sets up, and the lower terminal surface of bulge loop is provided with the inclined plane of the staving installation of being convenient for, and the edge oral area of staving can be comparatively easy installs in the seal groove, the automated production of being convenient for.

Description

Large-diameter hoop-free high-sealing plastic barrel
Technical Field
The invention relates to the field of large-caliber plastic bucket sealing, in particular to a large-caliber hoop-free high-sealing plastic bucket.
Background
At present, high-grade powder or liquid chemical raw materials such as polytetrafluoroethylene and the like at home and abroad and having requirements on moisture resistance and sealing are generally adopted for plastic barrels with hoops, and the barrel covers are fixed and tightened through the hoops, so that the sealing performance of the barrel covers is improved, but the sealing performance of the plastic barrels can only reach the general level by the tightening principle, and the high sealing effect is difficult to achieve; or set up inner bag or nylon bag in the bucket and carry out two layers of packing, because ordinary heavy-calibre plastic drum leakproofness is relatively poor promptly, consequently need utilize inner bag or nylon bag earlier to carry out primary encapsulation to article, then carry out secondary encapsulation through the plastic drum, and then improve the leakproofness, prevent to reveal.
However, in the two packaging modes, the plastic barrel sealed by the hoop needs to contain the process of locking the hoop in the processing, production and packaging processes, the specific process of the process needs the steps of hoop, clamping, rotation locking of the hoop and the like, the process can be completed only by manual operation, time and labor are wasted, the phenomenon of unreliable locking is easily caused, and meanwhile, the more steps are adopted, so that the fully-automatic batch production and packaging are realized. And the secondary packaging mode, namely the packaging mode provided with the inner container or the nylon bag, needs to arrange the inner container or the nylon bag in the plastic barrel, greatly improves the production cost of enterprises, and is also not suitable for large-batch automatic production packaging. Therefore, in order to solve the above problems, a plastic barrel with a large diameter, no hoop and high sealing performance, which has a simple structure and a good sealing effect and is suitable for large-scale automatic packaging, is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the large-caliber hoop-free high-sealing plastic barrel is simple in structure, good in sealing performance and suitable for large-batch automatic production and packaging.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a heavy-calibre does not have hoop high leakproofness plastic drum, is including having the staving along the oral area and being used for sealed closing cap along the oral area, the side along the oral area of staving is provided with the sealing ring, the outer peripheral face of sealing ring is first sealed face, the lateral surface of staving still is provided with annular rand, the rand be located the below of sealing ring, the closing cap be provided with and be used for installing the seal groove along the oral area, the seal groove includes seal groove inside wall and seal groove lateral wall, the lateral surface of seal groove inside wall and the sealed close fit of inner wall along the oral area mutually, the medial surface of seal groove lateral wall be equipped with the sealed complex second of first sealed face sealed, the outer peripheral face of closing cap be provided with the climbing hook strip corresponding with the rand, the inside wall of climbing hook strip be provided with the flange of looks chucking rand.
Furthermore, the climbing hook strip is connected with the lower end of the outer side wall of the sealing groove, and a tearing groove is formed in the inner side of the joint of the climbing hook strip and the outer side wall of the sealing groove; the tear groove is arranged to greatly improve the convenience of dismounting the sealing cover after installation.
Furthermore, the sealing cover is also provided with an uncovering spanner, the climbing hook strip is annularly arranged below the outer side wall of the sealing groove, the head end and the tail end of the climbing hook strip are respectively positioned at two sides of the uncovering spanner, and a brace convenient for tearing the climbing hook strip is arranged at the head end of the climbing hook strip; the sealing cover has the advantages that the fixing reliability of the sealing cover can be effectively guaranteed through the hook climbing strips arranged in an annular mode, and the pulling strips and the tearing grooves are convenient to tear the hook climbing strips, so that the sealing cover is convenient to detach.
Furthermore, a tearing groove is formed at the joint of the uncovering wrench and the outer side wall of the sealing groove; the advantage is that the tearing groove is arranged to facilitate the lifting or opening of the cover opening wrench.
Furthermore, the outer side of the barrel body is also provided with an annular check ring, and the lower end part of the uncovering wrench extends to the upper end surface of the check ring; the advantage is extending to the stopper up end in uncapping the spanner and can effectively reducing the unexpected possibility of opening of uncapping the spanner, improves the reliability of staving.
Furthermore, the outer peripheral surface of the sealing ring is provided with a vertical first sealing surface, the inner side surface of the outer side wall of the sealing groove is provided with a convex ring, and the convex ring is provided with a second sealing surface in sealing fit with the first sealing surface.
Furthermore, the thickness of the upper edge of the edge opening part is larger than the distance between the first sealing surface and the second sealing surface; the advantage lies in interference fit's along oral area and the leakproofness of seal groove can effectively improve the staving.
Furthermore, the difference between the thickness of the upper edge of the edge opening part and the distance between the first sealing surface and the second sealing surface is 0.1 mm-1 mm; the advantage lies in when the difference is located this interval, the staving along the inside deep position of oral area mountable to the seal groove, and sealed effect is better, fixed comparatively reliable, the installation of the closing cap of being convenient for simultaneously.
Furthermore, the lower end surface of the convex ring is provided with an inclined surface convenient for the installation of the barrel body; the advantage lies in the direction location installation of edge oral area of being convenient for along the setting on inclined plane to the location encapsulation of equipment when being convenient for the automatic production of enterprise reduces the requirement to the equipment precision, improves the fault-tolerant rate of equipment.
Compared with the prior art, the barrel body sealing structure has the advantages that the barrel body can be packaged in a high-sealing mode through the sealing matching of the arranged sealing groove and the edge opening portion, the sealing is realized through the tight matching of the first sealing surface arranged on the sealing ring and the second sealing surface arranged on the inner side surface of the outer side wall of the sealing groove, the lower end surface of the convex ring is provided with the inclined surface convenient for the installation of the barrel body, and therefore the edge opening portion of the barrel body can be easily installed in the sealing groove, the guiding installation effect is achieved, and the automatic production is facilitated. Meanwhile, the clamping ring arranged on the outer side surface of the barrel body is clamped with the corresponding hook climbing strip, so that the sealing cover is fixed, and the axial movement of the sealing cover after installation is avoided, so that the sealing reliability of the barrel body is further ensured. Therefore, the sealing and fixing of the barrel body and the sealing cover can be completed only through one process, the operation is convenient, the process is simple, the enterprise can automatically seal and package in large batch conveniently, the automatic factory production is realized, the production efficiency of the enterprise is improved, the labor is greatly saved, the production period is shortened, and the requirements of industrial intellectualization and full-automatic development of modern enterprises are met. When needs are dismantled, tear the setting of groove and be convenient for the operator and tear the climbing hook strip along tearing the groove for the closing cap is sealed reliable dismantlement also comparatively simple simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional view of a barrel according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the closure of the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic view of the barrel with the lid installed in accordance with the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
FIG. 8 is an enlarged view of portion C of FIG. 7;
fig. 9 is a schematic view showing a state after the hook strip of the present invention is torn.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The utility model provides a heavy-calibre does not have hoop high leakproofness plastic drum, is including having 1 staving along oral area 3 and being used for sealed 2 along the closing cap of oral area 3, the outside limit an organic whole of 3 of bead portion of staving is provided with sealing ring 4, the outer peripheral face of sealing ring 4 be equipped with vertical first sealed face 4.1, closing cap 2 be provided with and be used for installing along 3 seal groove 5 of oral area, seal groove 5 includes seal groove inside wall 5.1 and seal groove lateral wall 5.2, the lateral surface of seal groove inside wall 5.1 and the sealed close fit of the inner wall of bead portion 3 mutually, the medial surface of seal groove lateral wall 5.2 is provided with bulge loop 5.3, bulge loop 5.3 be equipped with the sealed face 5.4 of sealed complex second of first sealed face 4.1, the lower terminal surface of above-mentioned bulge loop 5.3 is provided with the inclined plane 5.5 of the 1 installation of being convenient for the staving.
An annular clamping ring 6 is further arranged on the outer side surface of the barrel body 1, the clamping ring 6 is located below the sealing ring 4, a climbing hook strip 7 corresponding to the clamping ring 6 is arranged on the outer peripheral surface of the sealing cover 2, an uncovering wrench 10 is further arranged on the sealing cover 2, the climbing hook strip 7 is annularly arranged below the outer side wall 5.2 of the sealing groove, the head end and the tail end of the climbing hook strip 7 are respectively located on two sides of the uncovering wrench 10, and a pull strip 11 facilitating tearing of the climbing hook strip 7 is arranged at the head end of the climbing hook strip 7; the inner side wall of the climbing hook strip 7 is provided with a flange 9 clamped by a clamping ring 6. The climbing hook strip 7 is connected with the lower end of the outer side wall 5.2 of the sealing groove, and a tearing groove 8 is formed in the inner side of the joint of the climbing hook strip 7 and the outer side wall 5.2 of the sealing groove. An annular retainer ring 12 is further arranged on the outer side of the barrel body 1, and the lower end portion of the cover opening wrench 10 extends to the upper end face of the retainer ring 12.
The connecting part of the cover opening wrench 10 and the outer side wall 5.2 of the sealing groove can be further provided with a tearing groove 8, and the tearing groove 8 on the cover opening wrench 10 is aligned with the tearing groove 8 on the climbing hook strip 7. The tear groove 8 is provided for the operator to tear off the lid opening wrench 10 along the tear groove 8, and then for the operator to tear the hook climb strip 7 along the tear groove 8 by the pull strip 11. Wherein the thickness of the tearing groove 8 is as follows: 0.3mm to 0.6mm, width: 0.5mm to 0.6mm is suitable.
The thickness of the upper edge of the edge mouth part 3 is larger than the distance between the first sealing surface 4.1 and the second sealing surface 5.4. The difference between the thickness of the upper edge of the edge portion 3 and the distance between the first sealing surface 4.1 and the second sealing surface 5.4 is 0.1mm to 1mm, preferably 0.5 mm.
The barrel body 1 and the sealing cover 2 are made of PP, PE or PE modified engineering plastics, and the shrinkage rate of the product after injection molding of the raw materials is less than 1.5%, so that the sealing performance of the product is prevented from being influenced.
The using process of the invention is as follows: with the gland 2 gland in the upper end of staving 1, be about to install the bead portion 3 of staving 1 in seal groove 5, because the lower terminal surface of bulge loop 5.3 is provided with the inclined plane 5.5 of the installation of staving 1 of being convenient for, consequently the bead portion 3 of staving 1 can be comparatively easy to install in seal groove 5, plays the effect of direction, the automated production of being convenient for. Because the above-mentioned upper edge along the oral area 3 is greater than first sealed face 4.1, the distance between the sealed face 5.4 of second, consequently sealed lateral surface of seal groove inside wall 5.1 and the inner wall of bead portion 3 are sealed close fit mutually, the sealed face 5.4 of second that sets up on the bulge loop 5.3 closely cooperates with first sealed face 4.1 on the sealing ring 4, realize interference fit and realize sealed cooperation with the bead portion 3 of staving 1 through the plasticity of closing cap 2 self promptly, realize that two-sided is sealed and improve the sealed reliability of staving 1. In the process, the clamping ring 6 arranged on the outer side surface of the barrel body 1 is clamped with the corresponding hook climbing strip 7, specifically, the clamping ring is clamped with the flange 9 arranged on the hook climbing strip 7, so that the sealing cover 2 is fixed, the axial movement of the sealing cover 2 after installation is avoided, and the sealing reliability of the barrel body 1 is further ensured. When the sealing cover 2 needs to be detached, the climbing hook strip 7 is torn along the tearing groove 8 through the arranged pull strip 11, namely, the clamping ring is separated from the flange 9 to release the clamping state, and at the moment, an operator can lift the sealing cover 2 upwards.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (9)

1. A large-caliber hoopless high-sealing plastic barrel comprises a barrel body with a rim part and a sealing cover for sealing the rim part, it is characterized in that a sealing ring is arranged on the side edge of the opening part of the barrel body, the peripheral surface of the sealing ring is a first sealing surface, the outer side surface of the barrel body is also provided with an annular clamping ring which is positioned below the sealing ring, the sealing cover is provided with a sealing groove for installing the edge opening part, the sealing groove comprises an inner side wall of the sealing groove and an outer side wall of the sealing groove, the outer side surface of the inner side wall of the sealing groove is closely matched with the inner wall of the edge opening part in a sealing way, the inner side surface of the outer side wall of the sealing groove is provided with a second sealing surface which is matched with the first sealing surface in a sealing way, the outer peripheral surface of the sealing cover is provided with a hook climbing strip corresponding to the clamping ring, and the inner side wall of the hook climbing strip is provided with a flange clamped by the clamping ring.
2. The large-caliber hoop-free high-sealing-performance plastic bucket according to claim 1, wherein the climbing hook strip is connected with the lower end of the outer side wall of the sealing groove, and a tearing groove is formed in the inner side of the joint of the climbing hook strip and the outer side wall of the sealing groove.
3. The large-caliber hoopless high-sealing plastic barrel according to claim 2, wherein the sealing cover is further provided with a cover opening wrench, the climbing hook strip is annularly arranged below the outer side wall of the sealing groove, the head end and the tail end of the climbing hook strip are respectively arranged on two sides of the cover opening wrench, and a pull strip for facilitating tearing of the climbing hook strip is arranged at the head end of the climbing hook strip.
4. A large-caliber hoopless high-sealability plastic barrel as claimed in claim 3, wherein a tearing groove is arranged at the joint of the cover opening wrench and the outer side wall of the sealing groove.
5. The large-caliber hoopless high-sealing plastic barrel according to claim 3, wherein an annular retainer ring is further arranged on the outer side of the barrel body, and the lower end part of the uncovering wrench extends to the upper end face of the retainer ring.
6. The plastic drum according to claim 1, wherein the sealing ring has a first vertical sealing surface on its outer circumferential surface, and a protruding ring is disposed on the inner side surface of the outer sidewall of the sealing groove, and the protruding ring has a second sealing surface that is in sealing engagement with the first sealing surface.
7. A large-caliber hoop-free high-sealability plastic barrel as claimed in claim 6 wherein the thickness of the upper edge of the rim part is larger than the distance between the first sealing surface and the second sealing surface.
8. A large-caliber hoop-free high-sealability plastic barrel as claimed in claim 7, wherein the difference between the thickness of the upper edge of the edge part and the distance between the first sealing surface and the second sealing surface is 0.1mm to 1 mm.
9. A large-caliber hoopless high-tightness plastic barrel as claimed in claim 6, wherein the lower end face of the convex ring is provided with an inclined surface for facilitating the installation of the barrel body.
CN202110623715.2A 2021-06-04 2021-06-04 Large-diameter hoop-free high-sealing plastic barrel Pending CN113200235A (en)

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CN202110623715.2A CN113200235A (en) 2021-06-04 2021-06-04 Large-diameter hoop-free high-sealing plastic barrel
US17/561,800 US20220119167A1 (en) 2021-06-04 2021-12-24 Large-caliber, hoop-free and well-sealed plastic barrel

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