CN219989959U - Leak-proof plastic bottle - Google Patents
Leak-proof plastic bottle Download PDFInfo
- Publication number
- CN219989959U CN219989959U CN202321454446.2U CN202321454446U CN219989959U CN 219989959 U CN219989959 U CN 219989959U CN 202321454446 U CN202321454446 U CN 202321454446U CN 219989959 U CN219989959 U CN 219989959U
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- CN
- China
- Prior art keywords
- bottle
- plastic bottle
- block
- piston
- lid
- 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.)
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- 239000004033 plastic Substances 0.000 title claims abstract description 84
- 229920003023 plastic Polymers 0.000 title claims abstract description 84
- 238000007906 compression Methods 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 19
- 230000006978 adaptation Effects 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 28
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 14
- 239000001569 carbon dioxide Substances 0.000 abstract description 14
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000002360 explosive Substances 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model relates to the technical field of plastic bottles, in particular to a leakage-proof plastic bottle which comprises a plastic bottle body, wherein the top of the plastic bottle body is in threaded connection with a bottle cap, the top of the inner wall of the bottle cap is fixedly connected with a compression spring, the bottom of the compression spring is fixedly connected with a piston block, pressure release holes are formed in two sides of the top of the bottle cap, and a top block is arranged in the pressure release holes. The utility model has the advantages that: through set up the round hole on the piston piece, then the top of piston piece is in complete sealing state with the top laminating of bottle lid when the bottle lid is screwed up completely, when the bottle lid upwards rotates slightly, when having the clearance between messenger's piston piece and the bottle lid, then air or carbon dioxide in the plastics body just can pass the piston piece through the round hole, when the carbon dioxide in the plastics body is enough, then atmospheric pressure is with the kicking block jack-up on the pressure release hole, can make the plastics bottle carry out certain pressure release, avoids the plastics bottle because the condition of the explosive bottle of pressure.
Description
Technical Field
The utility model relates to the technical field of plastic bottles, in particular to a leakage-proof plastic bottle.
Background
The plastic bottle is a plastic container which uses Polyester (PET), polyethylene (PE) and polypropylene (PP) as raw materials, is heated at high temperature and is subjected to blow molding, extrusion blowing or injection molding through a plastic mold after corresponding organic solvents are added, is a main container for containing liquid products, has wide application in life, and has good sealing performance, so that the plastic bottle can realize the basic condition for containing liquid.
The design of the TPE gasket in the bottle cap of the leak-proof plastic bottle disclosed in the Chinese patent CN201821597685. X has good elasticity, so that after the bottle cap is twisted tightly, the second waterproof layer is tightly attached to the bottle mouth to prevent water flow from overflowing, but the leak-proof plastic bottle increases the sealing property for preventing liquid from flowing out, but part of carbonated beverage can generate a large amount of carbon dioxide after shaking, and the carbon dioxide cannot be discharged to risk of bottle explosion due to the excellent sealing property.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a leakage-proof plastic bottle, and effectively solves the defects of the prior art.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a leak protection plastic bottle, includes the plastic bottle body, the top threaded connection of plastic bottle body has the bottle lid, the top fixedly connected with compression spring of bottle lid inner wall, compression spring's bottom fixedly connected with piston block, the pressure release hole has been seted up to the both sides at bottle lid top, the inside in pressure release hole is provided with the kicking block.
Optionally, the internal thread has been seted up to the inboard of bottle lid, the external screw thread has been seted up to the outer wall at plastics body top, internal screw thread and external screw thread looks adaptation, plastics body passes through internal screw thread and external screw thread threaded connection with the bottle lid.
Optionally, the diameter of the inner wall at the top of the plastic bottle body is gradually reduced from top to bottom, the piston block is in a round table shape, and the shape of the piston block is matched with the shape of the inner wall at the top of the plastic bottle body.
The technical scheme is adopted: through set up the piston piece in the inside of bottle lid, when screwing up the plastics body with the bottle lid, can further improve its leakproofness through the cooperation of piston piece and plastics body inner wall, reduce its possibility of leaking from the bottle lid clearance.
Optionally, accomodate the groove has been seted up to the bottom of bottle lid inner wall, compression spring sets up in accomodating the inslot portion, accomodate the width in groove and be less than the top width of piston block.
The technical scheme is adopted: the piston block can be connected with the bottle cap when the compression spring is arranged, and the compression spring can apply downward pressure to the piston block to enable the sealing to be tighter.
Optionally, a plurality of round holes are formed in the middle of the piston block, and the round holes penetrate through the piston block.
The technical scheme is adopted: through set up the round hole on the piston piece, then the top of piston piece is in complete sealing state with the top laminating of bottle lid when the bottle lid is screwed up completely, when the bottle lid upwards rotates slightly, when having the clearance between messenger's piston piece and the bottle lid, then air or carbon dioxide in the plastics body just can pass the piston piece through the round hole, when carbon dioxide in the plastics body is enough, then atmospheric pressure is with the kicking block jack-up on the pressure release hole, can make the plastics bottle carry out certain pressure release, avoid the plastics bottle because the condition of the explosive bottle of pressure, and make this plastics bottle can keep better leakproofness.
Optionally, the coefficient of friction of kicking block and pressure release hole is greater than three, the outside fixedly connected with protection frame at bottle lid top, the distance of protection frame inboard and the bottle lid outside is greater than the length of kicking block.
The technical scheme is adopted: through the coefficient of friction of restriction kicking block and pressure release hole, make the kicking block can keep the state sealed with the pressure release hole under normal condition, set up the protection frame in the bottle lid outside can avoid the kicking block to be highly ejecting by the atmospheric pressure to cause the condition of injury to the human body.
The utility model has the following advantages:
1. this leak protection plastic bottle through setting up the piston block in the inside of bottle lid, when screwing up the plastics body with the bottle lid, can further improve its leakproofness through the cooperation of piston block and plastics body inner wall, reduces its possibility of leaking from the bottle lid clearance, can link up with the bottle lid through setting up the piston block when compression spring, and compression spring can apply decurrent pressure to the piston block and make sealed inseparabler.
2. This leak protection plastic bottle through setting up the round hole on the piston piece, then the top of piston piece is laminated with the top of bottle lid when the bottle lid is screwed up completely then makes the bottle lid be in complete sealing state, when the bottle lid slightly upwards rotates, when making there is the clearance between piston piece and the bottle lid, then air or carbon dioxide in the plastic bottle body just can pass the piston piece through the round hole, when carbon dioxide in the plastic bottle body is enough, then atmospheric pressure is with the kicking block jack-off on the pressure release hole, can make the plastic bottle carry out certain pressure release, avoid the plastic bottle because the condition of pressure explodes the bottle, and make this plastic bottle can keep better leakproofness.
3. This leak protection plastic bottle through the coefficient of friction of restriction kicking block and pressure release hole, makes the kicking block can keep the state sealed with the pressure release hole under normal condition, sets up the protection frame in the bottle lid outside and can avoid the kicking block to be highly ejecting by the atmospheric pressure to cause the condition of injury to the human body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: the bottle comprises a 1-plastic bottle body, a 2-bottle cap, a 3-compression spring, a 4-piston block, a 5-pressure relief hole, a 6-top block, 7-internal threads, 8-external threads, 9-containing grooves, 10-round holes and 11-protection frames.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 4, a leak-proof plastic bottle comprises a plastic bottle body 1, wherein a bottle cap 2 is connected with the top of the plastic bottle body 1 in a threaded manner, a compression spring 3 is fixedly connected with the top of the inner wall of the bottle cap 2, a piston block 4 is fixedly connected with the bottom of the compression spring 3, pressure release holes 5 are formed in two sides of the top of the bottle cap 2, and a top block 6 is arranged in the pressure release holes 5.
Example 1: the inner side of the bottle cap 2 is provided with an internal thread 7, the outer wall of the top of the plastic bottle body 1 is provided with an external thread 8, the internal thread 7 is matched with the external thread 8, and the plastic bottle body 1 is in threaded connection with the bottle cap 2 through the internal thread 7 and the external thread 8.
Example 2: the inner wall diameter at the top of the plastic bottle body 1 gradually reduces from top to bottom, the piston block 4 is in a round table shape, the shape of the piston block 4 is matched with the shape of the inner wall at the top of the plastic bottle body 1, the piston block 4 is arranged in the bottle cap 2, when the bottle cap 2 is screwed on the plastic bottle body 1, the tightness of the bottle cap 2 can be further improved through the matching of the piston block 4 and the inner wall of the plastic bottle body 1, and the possibility of leakage from a gap of the bottle cap 2 is reduced.
Example 3: the storage groove 9 has been seted up to the bottom of bottle lid 2 inner wall, and compression spring 3 sets up inside storage groove 9, and the width of storage groove 9 is less than the top width of piston piece 4, and piston piece 4 can link up with bottle lid 2 when setting up compression spring 3, and compression spring 3 can apply decurrent pressure to piston piece 4 and make sealed inseparabler.
Example 4: a plurality of round holes 10 are formed in the middle of the piston block 4, the round holes 10 penetrate through the piston block 4, through the fact that the round holes 10 are formed in the piston block 4, when the bottle cap 2 is completely screwed down, the top of the piston block 4 is attached to the top of the bottle cap 2, the bottle cap 2 is in a complete sealing state, when the bottle cap 2 slightly rotates upwards, gaps exist between the piston block 4 and the bottle cap 2, air or carbon dioxide in the plastic bottle body 1 can penetrate through the piston block 4 through the round holes 10, when the carbon dioxide in the plastic bottle body 1 is enough, the air pressure pushes the top block 6 on the pressure release hole 5 open, and therefore the plastic bottle can be subjected to certain pressure release, the situation that the plastic bottle is broken due to pressure is avoided, and good sealing performance of the plastic bottle can be kept.
Example 5: the coefficient of friction of kicking block 6 and pressure release hole 5 is greater than three, and the outside fixedly connected with protection frame 11 at bottle lid 2 top, and the distance of protection frame 11 inboard and bottle lid 2 outside is greater than the length of kicking block 6, through the coefficient of friction of restriction kicking block 6 and pressure release hole 5, makes kicking block 6 can keep the state sealed with pressure release hole 5 under normal condition, sets up protection frame 11 in the bottle lid 2 outside and can avoid kicking block 6 by the high circumstances that the ejecting injury caused to the human body of atmospheric pressure.
The working principle of the utility model is as follows:
s1, when the bottle cap 2 is completely screwed down, the top of the piston block 4 is attached to the top of the bottle cap 2, so that the bottle cap 2 is in a complete sealing state;
s2, when the bottle cap 2 slightly rotates upwards, and a gap exists between the piston block 4 and the bottle cap 2, air or carbon dioxide in the plastic bottle body 1 can pass through the piston block 4 through the round hole 10, when the carbon dioxide in the plastic bottle body 1 is enough, the air pressure pushes the top block 6 on the pressure release hole 5 open, so that the plastic bottle can be subjected to certain pressure release, and the situation that the plastic bottle is exploded due to pressure is avoided.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this leak protection plastic bottle through setting up piston 4 in the inside of bottle lid 2, when screwing up plastics body 1 with bottle lid 2, can further improve its leakproofness through the cooperation of piston 4 with plastics body 1 inner wall, reduces its possibility of leaking from bottle lid 2 clearance, can link up piston 4 and bottle lid 2 when setting up compression spring 3, and compression spring 3 can apply decurrent pressure to piston 4 and make sealed inseparabler.
2. This leak protection plastic bottle, through set up round hole 10 on piston piece 4, then the top of piston piece 4 is in complete sealing state with the top laminating of bottle lid 2 when bottle lid 2 is screwed up completely, when bottle lid 2 slightly upwards rotates, when having the clearance between messenger's piston piece 4 and the bottle lid 2, then air or carbon dioxide in the plastic bottle body 1 just can pass piston piece 4 through round hole 10, when the carbon dioxide in the plastic bottle body 1 is abundant, then atmospheric pressure will be released the kicking block 6 on the pressure release hole 5, can make the plastic bottle carry out certain pressure release, avoid the plastic bottle because the condition that the pressure exploded the bottle, and make this plastic bottle can keep better leakproofness.
3. This leak protection plastic bottle through the coefficient of friction of restriction kicking block 6 and pressure release hole 5, makes kicking block 6 can keep the state sealed with pressure release hole 5 under normal condition, sets up protection frame 11 in the bottle lid 2 outside and can avoid kicking block 6 by the high ejecting condition that causes the injury to the human body of atmospheric pressure.
Claims (6)
1. A leak-proof plastic bottle, which is characterized in that: including plastics body (1), the top threaded connection of plastics body (1) has bottle lid (2), the top fixedly connected with compression spring (3) of bottle lid (2) inner wall, the bottom fixedly connected with piston block (4) of compression spring (3), relief hole (5) have been seted up to the both sides at bottle lid (2) top, the inside in relief hole (5) is provided with kicking block (6).
2. The leak-proof plastic bottle of claim 1, wherein: the inner side of bottle lid (2) has seted up internal thread (7), external screw thread (8) have been seted up to the outer wall at plastic bottle body (1) top, internal thread (7) and external screw thread (8) looks adaptation, plastic bottle body (1) and bottle lid (2) pass through internal screw thread (7) and external screw thread (8) threaded connection.
3. The leak-proof plastic bottle of claim 2, wherein: the diameter of the inner wall at the top of the plastic bottle body (1) is gradually reduced from top to bottom, the piston block (4) is in a round table shape, and the shape of the piston block (4) is matched with the shape of the inner wall at the top of the plastic bottle body (1).
4. A leak-proof plastic bottle as defined in claim 3, wherein: the bottom of bottle lid (2) inner wall has seted up and has been accomodate groove (9), compression spring (3) set up in accomodate inslot (9), accomodate the width of groove (9) and be less than the top width of piston piece (4).
5. The leak-proof plastic bottle of claim 4, wherein: a plurality of round holes (10) are formed in the middle of the piston block (4), and the round holes (10) penetrate through the piston block (4).
6. The leak-proof plastic bottle of claim 5, wherein: the friction coefficient of the top block (6) and the pressure relief hole (5) is greater than three, a protection frame (11) is fixedly connected to the outer side of the top of the bottle cap (2), and the distance between the inner side of the protection frame (11) and the outer side of the bottle cap (2) is greater than the length of the top block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454446.2U CN219989959U (en) | 2023-06-08 | 2023-06-08 | Leak-proof plastic bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454446.2U CN219989959U (en) | 2023-06-08 | 2023-06-08 | Leak-proof plastic bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219989959U true CN219989959U (en) | 2023-11-10 |
Family
ID=88616044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321454446.2U Active CN219989959U (en) | 2023-06-08 | 2023-06-08 | Leak-proof plastic bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219989959U (en) |
-
2023
- 2023-06-08 CN CN202321454446.2U patent/CN219989959U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |