CN220221487U

CN220221487U - Plastic bottle blank with sealing ring groove

Info

Publication number: CN220221487U
Application number: CN202321605090.8U
Authority: CN
Inventors: 曹文岭; 杜秀丽
Original assignee: Shandong Leqi Industrial Technology Co ltd
Current assignee: Shandong Leqi Industrial Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-22
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a plastic bottle blank with a sealing ring groove, and belongs to the field of processing of sealing plastic bottles. The novel bottle body is characterized by mainly comprising a bottle body, wherein a bottle mouth is arranged at the upper end of the bottle body, more than one annular groove is formed in the upper end face of the bottle mouth, the depth of the annular groove is 10 to 50, the width of the longitudinal section of the annular groove is 10 to 30, the longitudinal section of the annular groove is of a concave structure, and the width of the longitudinal section of the concave structure is reduced from top to bottom. The utility model has simple structure, is convenient for mass production and processing, realizes multiple sealing of plastic bottle blanks by arranging one or more annular grooves on the upper end face of the bottle mouth and then matching with the outer screw hoop, has better sealing effect, does not need to heat-seal an aluminum foil cover, and greatly reduces the production cost. The utility model is mainly used for containing and preserving products such as grease, seasonings, nuts, grains, snacks and the like.

Description

Plastic bottle blank with sealing ring groove

Technical Field

The utility model belongs to the technical field of processing of sealed plastic bottles, and particularly relates to a plastic bottle blank with a sealing ring groove.

Background

Wide mouth sealed plastic bottles are commonly used for the storage and preservation of products such as grease, condiments, nuts, grains, snacks and the like. In order to ensure the sealing effect of the plastic bottle, an aluminum foil cover is usually heat-sealed at the bottle mouth, and a gasket is arranged on the bottle cover for auxiliary sealing. However, the aluminum foil cover of heat-seal is disposable structure, can't seal again after opening and use, and secondly, adopts gasket auxiliary seal, and the effect is not good, and very easily the moisture regain, simultaneously, after the bottle level was placed, the leakage condition of different degree can appear.

The Chinese patent with the authorized bulletin number of CN211282132U discloses a sealing film and a plastic bottle capable of being sealed repeatedly, comprising a plastic bottle body and a sealing film body, wherein the sealing film body sequentially comprises an aluminum foil semi-finished product layer for waterproof sealing, an adhesive layer, a first polyolefin resin layer, a strippable sealing layer and a second polyolefin resin layer, the aluminum foil semi-finished product layer and the polyolefin resin are connected through adhesive in a laminating manner, two sides of the strippable sealing layer are respectively connected with the first polyolefin resin layer and the second polyolefin resin layer in a laminating manner, the second polyolefin resin layer is connected with a bottle opening in a sealing manner, and an unsealing breaking line is locally arranged outside the edge of the sealing connection part of the second polyolefin resin layer. When the plastic bottle sealing cover is used, after the sealing cover film body is torn, the sealing cover film body can be attached to the bottle mouth, so that the repeated sealing effect of the sealing cover film is realized, and the sealing performance of the plastic bottle is improved.

Above-mentioned patent is sealed repeatedly through closing cap membrane and is promoted sealing performance of plastic bottle, but opens and close the plastic bottle at every turn, and the closing cap membrane all needs to be sealed repeatedly, leads to the plastic bottle to open and close comparatively inconvenient, and when the plastic bottle frequently opens, and the sealing effect that the closing cap membrane was sealed repeatedly can greatly reduced, and the plastic bottle still can appear the leakage condition of different degree.

Disclosure of Invention

The utility model aims to solve the technical problems that: the utility model provides a overcome the not enough of prior art, provides a plastic bottle base with sealed annular, its simple structure is convenient for batch production processing, through seting up one or more annular at the bottleneck up end, cooperates outer spiral shell hoop again, realizes the multiple seal of plastic bottle base, and sealed effect is better, and does not need the heat-seal aluminium foil lid, greatly reduced manufacturing cost.

The plastic bottle blank with the sealing ring groove comprises a bottle blank body, wherein a bottle opening is formed in the upper end of the bottle blank body, and more than one ring groove with an upward opening is formed in the upper end face of the bottle opening.

Preferably, the depth of the ring groove is 10 to 50 threads, and the longitudinal section width of the ring groove is 10 to 30 threads.

Preferably, the ring groove is of a concave structure, and the longitudinal section of the concave structure is reduced in width from top to bottom.

Preferably, the longitudinal section of the ring groove is in a U-shaped structure or a V-shaped structure.

Preferably, the bottle blank body is in a conical structure.

Preferably, an outer screw hoop is arranged on the outer wall of the bottle mouth of the bottle blank body, and a clamp is arranged at the lower end of the outer screw hoop.

Preferably, the bottle blank body is provided with a clamping ring matched with the anti-theft ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, one or more annular grooves are formed in the upper end face of the bottle mouth, and when the bottle cap is used, the sealing ring corresponding to the annular grooves is arranged in the bottle cap, when the bottle cap is screwed down, the sealing ring on the bottle cap is embedded into the annular grooves, and then the screw thread fit of the screw hoop in the bottle cap and the external screw hoop of the bottle cap is matched, so that the original sealing side ring on the bottle cap is matched, multiple sealing is realized, and even when the bottle cap is frequently opened, the plastic bottle can be effectively sealed at high degree after the bottle cap is normally screwed down every time, and leakage is avoided.

2. The utility model does not need to install a heat-seal aluminum foil cover for auxiliary sealing, thereby greatly reducing the production cost.

3. The ring groove is integrally formed along with the plastic bottle blank, is convenient to process, is convenient for mass production and processing, and is easier to popularize and use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a schematic diagram showing the cooperation structure of the plastic bottle and the bottle cap made of the bottle blank body;

fig. 6 is a partial enlarged view of the portion B in the drawing.

In the figure, 1, bottle blank body; 2. a clamp; 3. an outer hoop; 4. a bottle mouth; 5. a ring groove; 6. a clasp; 7. a bottle cap; 8. an anti-theft ring; 9. and (3) a sealing ring.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the directional terminology referred to in the paragraphs directed to the detailed description is merely for convenience of those skilled in the art in understanding the teachings presented herein in terms of the visual orientation illustrated in the drawings. Unless specifically defined and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly so that one of ordinary skill in the art would understand the meaning of the terms in this disclosure as the case may be.

As shown in fig. 1 to 3, a plastic bottle blank with a sealing ring groove comprises a bottle blank body 1, the bottle blank body 1 is in a conical structure, the lower end of the bottle blank body 1 is in an arc-shaped sealing arrangement, the upper end of the bottle blank body 1 is provided with a bottle mouth 4 arranged in an opening manner, an outer screw hoop 3 is arranged on the outer wall of the bottle mouth 4 of the bottle blank body 1, the outer screw hoop 3 can be of any thread structure, such as a sectional thread or a zigzag thread, a triangular thread and the like, the lower end of the outer screw hoop 3 is provided with a clamp 2, the upper end face of the bottle mouth 4 is provided with one or more ring grooves 5 with upward openings, the number of the ring grooves 5 is determined according to the wall thickness of the bottle blank body 1, the larger number of the ring grooves 5 is, the sealing effect is better, the ring grooves 5 and the bottle mouth 4 are concentrically arranged, as shown in fig. 4, the longitudinal section of the concave structure is gradually reduced from top to bottom, the depth of the ring grooves 5 is controlled to 50 threads, the longitudinal section of the ring grooves 5 is controlled to be 10 threads to 30 threads, and the longitudinal section of the ring grooves 5 is preferably of a U-shaped structure or a V-shaped structure.

As shown in fig. 5 and 6, during manufacture, the bottle blank body 1 can be processed into plastic bottles with any shape through the bottle blowing machine, when the bottle blank body 1 or the plastic bottle is used, the bottle blank body or the plastic bottle is matched with the bottle cap 7, a sealing ring 9 matched with the ring groove 5 in shape is arranged inside the bottle cap 7, and when the anti-theft ring 8 is arranged on the bottle cap 7, a clamping ring 6 matched with the anti-theft ring 8 is arranged on the bottle blank body 1 or the plastic bottle.

When the bottle blank body 1 or the plastic bottle is used, the bottle blank body 1 or the plastic bottle is screwed into the bottle cap 7 through the outer screw hoop 3, the inner screw hoop in the bottle cap 7 is matched with the outer screw hoop 3, after the bottle blank body 1 or the plastic bottle is screwed, the sealing ring 9 on the bottle cap 7 is embedded into the annular groove 5 on the upper end face of the bottle blank body 1 or the plastic bottle, and the U-shaped or V-shaped annular groove 5 enables the sealing ring 9 on the bottle cap 7 to be matched with the annular groove 5 more tightly, so that the bottle blank body 1 or the plastic bottle can be connected with the bottle cap 7 in a highly sealing way, and then the inner screw hoop is matched with the screw of the outer screw hoop 3 and an original sealing side ring on the bottle cap 7 in a matching way, so that multiple sealing is realized, and long-term effective sealing of the bottle blank body 1 or the plastic bottle and the bottle cap 7 is further improved. Meanwhile, even if the plastic bottle is frequently opened, after the bottle cap 7 is normally screwed up each time, the effective high sealing can be realized, so that the bottle blank body 1 or the liquid in the plastic bottle can not leak.

Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Plastic bottle blank with sealing ring groove, including bottle blank body (1), its characterized in that: the upper end of the bottle blank body (1) is provided with a bottle mouth (4), and the upper end surface of the bottle mouth (4) is provided with more than one ring groove (5) with an upward opening; the ring groove (5) is of a concave structure, and the longitudinal section of the concave structure is reduced in width from top to bottom.

2. The plastic bottle preform with sealing ring groove according to claim 1, wherein: the depth of the annular groove (5) is 10 to 50 threads, and the longitudinal section width of the annular groove (5) is 10 to 30 threads.

3. The plastic bottle preform with sealing ring groove according to claim 1, wherein: the longitudinal section of the ring groove (5) is of a U-shaped structure or a V-shaped structure.

4. The plastic bottle preform with sealing ring groove according to claim 1, wherein: the bottle blank body (1) is in a conical structure.

5. The plastic bottle preform with a seal ring groove according to any one of claims 1 to 4, wherein: an outer screw hoop (3) is arranged on the outer wall of the bottle mouth (4) of the bottle blank body (1), and a clamp (2) is arranged at the lower end of the outer screw hoop (3).

6. The plastic bottle preform with sealing ring groove according to claim 5, wherein: the bottle blank body (1) is provided with a clamping ring (6) matched with the anti-theft ring (8).