CN220032706U - Plastic bottle with good sealing effect - Google Patents
Plastic bottle with good sealing effect Download PDFInfo
- Publication number
- CN220032706U CN220032706U CN202320503671.4U CN202320503671U CN220032706U CN 220032706 U CN220032706 U CN 220032706U CN 202320503671 U CN202320503671 U CN 202320503671U CN 220032706 U CN220032706 U CN 220032706U
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- CN
- China
- Prior art keywords
- sealing ring
- bottle
- bottle body
- plastic bottle
- effect according
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- 238000007789 sealing Methods 0.000 title claims abstract description 100
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 title claims abstract description 16
- -1 polyethylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 235000021586 packaging of beverage Nutrition 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The utility model discloses a plastic bottle with good sealing effect, which comprises a bottle body and a bottle cap in threaded connection with the upper part of the bottle body, wherein a sealing ring attached to the upper part of the bottle body is arranged on the upper part of the inner wall of the bottle cap, a reserved air hole is arranged on the sealing ring, and an air inlet channel is arranged at the connecting part of the bottle body and the bottle cap.
Description
Technical Field
The utility model belongs to the technical field of plastic bottles, and particularly relates to a plastic bottle with good sealing effect.
Background
The plastic bottle is mainly made of polyethylene or polypropylene and other materials, and is added with various organic solvents. The plastic bottle widely uses polyester, polyethylene and polypropylene as raw materials, after the corresponding organic solvent is added, the plastic bottle is heated at high temperature, and then is subjected to blow molding, extrusion blowing or injection molding through a plastic mold, and the existing plastic materials PP and PET can be used as food-grade raw materials and widely applied to packaging of beverages and bottled foods.
The prior plastic bottle structure sealing structure is divided into two types, namely an inner pad which is attached to the bottle mouth is arranged in the bottle cap, and the sealing is carried out through a sealing ring which is vertically attached to the inner wall of the bottle mouth, for example, a juicy peach can bottle disclosed in Chinese patent publication No. CN205186828U comprises a bottle cap, a hanging buckle, a hanging ring, a threaded opening, a bottle mouth and a sealing pad, and the bottle cap is in threaded connection with the bottle mouth to press the sealing pad to seal an internal product.
Disclosure of Invention
Aiming at the problems, the utility model provides the plastic bottle with good sealing effect, and the problem that the bottle cap is laborious to open under the condition of low pressure in the bottle in the prior art is well solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a effectual plastic bottle of leakproofness, includes the body and with body upper portion threaded connection's bottle lid, the inner wall upper portion of bottle lid is provided with the sealing ring with the upper portion laminating of body, be provided with reserved air hole on the sealing ring, the body is provided with air inlet channel with the junction of bottle lid, can equalize the inside and outside atmospheric pressure of bottle fast through air inlet channel and reserved air hole cooperation when opening the bottle lid.
Further, the sealing ring comprises an inner sealing ring attached to the inner wall of the bottle body and an outer sealing ring attached to the outer wall of the bottle body, and the reserved air holes are formed in the inner sealing ring.
Further, the length of the outer sealing ring is smaller than that of the inner sealing ring, and the height of the reserved air holes is flush with the bottom of the outer sealing ring, so that the reserved air holes can be opened to form an effective air inlet passage when the upper part of the bottle body is separated from the outer sealing ring.
Further, the inner sealing ring and the outer sealing ring all tend to be arranged on the bottle body, the lower part of one side of the inner sealing ring and the outer sealing ring which are prone to be provided with chamfers, the top edge section of the bottle body is an upward circular arc, the circular arc at the top of the bottle body and the chamfers arranged on the inner sealing ring and the outer sealing ring facilitate the top of the bottle body to enter the sealing ring when the bottle cap is in threaded connection with the bottle body, and the inner sealing ring and the outer sealing ring are prone to be arranged on the bottle body so that the inner sealing ring and the outer sealing ring are tightly attached to the bottle body, and the sealing effect is better.
Furthermore, a sealing gasket is arranged between the inner sealing ring and the outer sealing ring, and the sealing gasket is abutted with the upper part of the bottle body, so that the sealing effect can be further improved.
Further, the lower part of the sealing gasket is provided with an arc-shaped fitting groove, so that the upper part of the bottle body is more fitted with the sealing gasket.
Further, the air inlet channel comprises a plurality of first fractures arranged at the threaded connection part of the bottle body and a plurality of second fractures arranged at the threaded connection part of the bottle cap.
Further, the first fracture and the second fracture are arranged in a straight line up and down.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the reserved air hole arranged on the sealing ring is matched with the air inlet channel at the threaded connection part of the bottle cap and the bottle body, so that external air can conveniently enter the bottle when the bottle cap is clamped, the air pressure in the bottle and the air pressure outside the bottle are balanced, the bottle can be opened more easily, and meanwhile, the arranged sealing ring can ensure a good sealing effect after the bottle cap is in threaded connection with the bottle body.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a bottle cap;
fig. 4 is a schematic view of the upper structure of the body.
In the figure: 1. a bottle body; 2. a bottle cap; 3. reserving an air hole; 4. an inner seal ring; 5. an outer seal ring; 6. a sealing gasket; 7. a first fracture; 8. and a second fracture.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, the plastic bottle with good sealing performance comprises a bottle body 1, wherein an external thread is arranged on the outer wall of the upper part of the bottle body 1, an internal thread matched with the external thread is arranged on the inner wall of a bottle cap 2, the bottle body 1 is connected with the bottle cap 2 through threads, a sealing ring attached to the upper part of the bottle body 1 is integrally connected with the upper part of the inner wall of the bottle cap 2, 4 reserved air holes 3 are formed in the sealing ring, and an air inlet channel is arranged at the connecting part of the bottle body 1 and the bottle cap 2;
in this embodiment, the sealing ring includes an inner sealing ring 4 attached to the inner wall of the bottle body 1 and an outer sealing ring 5 attached to the outer wall of the bottle body 1, the upper parts of the inner sealing ring 4 and the outer sealing ring 5 are integrally connected with the bottle cap 2, and the reserved air holes 3 are transversely opened on the inner sealing ring 4;
in this embodiment, the length of the outer sealing ring 5 is smaller than that of the inner sealing ring 4, and the height of the reserved air holes 3 is flush with the bottom of the outer sealing ring 5;
in this embodiment, the inner sealing ring 4 and the outer sealing ring 5 are both inclined to the bottle body 1, the inclination angle of the inner sealing ring 4 and the outer sealing ring 5 is 3 °, the lower parts of one sides of the inner sealing ring 4 and the outer sealing ring 5 which are inclined to the bottle body 1 are both provided with chamfers, and the top edge section of the bottle body 1 is an upward arc;
in this embodiment, a sealing gasket 6 is disposed between the inner sealing ring 4 and the outer sealing ring 5;
in this embodiment, an arc-shaped fitting groove is formed in the lower portion of the sealing gasket 6, and the shape of the arc-shaped fitting groove is a semi-arc matched with the shape of the top of the bottle body 1;
in this embodiment, the air intake passage includes a plurality of first interruptions 7 provided on the external thread of the bottle body 1 and a plurality of second interruptions 8 provided on the internal thread of the bottle cap 2;
in this embodiment, the first and second interruptions 7 and 8 are vertically arranged in a straight line, and the first and second interruptions 7 and 8 are arranged to form an air inlet channel, which is 4 in number and uniformly surrounds the threaded connection between the bottle cap 2 and the bottle body 1.
When the rotary bottle cap 2 is used, the bottle cap 2 is in threaded connection with the upper part of the bottle body 1, the upper part of the bottle body 1 is clamped between the inner sealing ring 4 and the outer sealing ring 5 and is tightly abutted against the sealing gasket 6, at the moment, the outer sealing ring 5 and the inner sealing ring 4 are tightly abutted on the outer wall and the inner wall of the bottle body 1 due to the inclination angle, so that effective sealing is formed, meanwhile, the sealing gasket 6 is abutted with the upper part of the bottle body 1, the sealing effect is effectively enhanced, when the rotary bottle cap 2 is opened under the condition that the pressure in the bottle is smaller, when the upper part of the bottle body 1 is separated from the outer sealing ring 5, air can enter the bottle body 1 from the reserved air hole 3 upwards along the air inlet channel, and the air pressure outside the bottle is quickly balanced, so that the bottle cap 2 is convenient to open.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a effectual plastic bottle of leakproofness, includes body and the bottle lid of threaded connection with body upper portion, its characterized in that: the bottle cap is characterized in that a sealing ring attached to the upper portion of the bottle body is arranged on the upper portion of the inner wall of the bottle cap, a reserved air hole is formed in the sealing ring, and an air inlet channel is formed in the connecting portion of the bottle body and the bottle cap.
2. The plastic bottle with good sealing effect according to claim 1, wherein: the sealing ring comprises an inner sealing ring attached to the inner wall of the bottle body and an outer sealing ring attached to the outer wall of the bottle body, and the reserved air holes are formed in the inner sealing ring.
3. The plastic bottle with good sealing effect according to claim 2, wherein: the length of the outer sealing ring is smaller than that of the inner sealing ring, and the height of the reserved air holes is flush with the bottom of the outer sealing ring.
4. The plastic bottle with good sealing effect according to claim 2, wherein: the inner sealing ring and the outer sealing ring are both prone to be arranged on the bottle body, chamfer angles are arranged on the lower portion of one side of the inner sealing ring and the lower portion of one side of the outer sealing ring which are prone to be arranged on the bottle body, and the section of the top edge of the bottle body is an upward circular arc.
5. The plastic bottle with excellent sealing effect according to claim 4, wherein: and a sealing gasket is arranged between the inner sealing ring and the outer sealing ring.
6. The plastic bottle with excellent sealing effect according to claim 5, wherein: the lower part of the sealing gasket is provided with an arc-shaped fitting groove.
7. The plastic bottle with good sealing effect according to claim 1, wherein: the air inlet channel comprises a plurality of first fractures arranged at the threaded connection part of the bottle body and a plurality of second fractures arranged at the threaded connection part of the bottle cover.
8. The plastic bottle with excellent sealing effect according to claim 7, wherein: the first fracture and the second fracture are arranged in a straight line up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503671.4U CN220032706U (en) | 2023-03-15 | 2023-03-15 | Plastic bottle with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503671.4U CN220032706U (en) | 2023-03-15 | 2023-03-15 | Plastic bottle with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220032706U true CN220032706U (en) | 2023-11-17 |
Family
ID=88744878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503671.4U Active CN220032706U (en) | 2023-03-15 | 2023-03-15 | Plastic bottle with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220032706U (en) |
-
2023
- 2023-03-15 CN CN202320503671.4U patent/CN220032706U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |