Antibacterial and negative-pressure-resistant macromolecular PET (Polyethylene Terephthalate) packaging bottle
By introducing a one-way valve and a vacuum pump into the polymer PET packaging bottle, and using the operation of the pressing plate and piston to create negative pressure, the problem of poor antibacterial effect of conventional packaging bottles is solved, and stronger antibacterial ability is achieved.
Patent Information
- Application Number
- CN202423030612.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Conventional polymer PET packaging bottles have poor antibacterial effects, and bacteria can easily grow during the opening and closing process.
A polymer PET packaging bottle with a one-way valve and a vacuum pump was designed. By operating the pressing plate and piston together, the gas in the vacuum pump is discharged to form a negative pressure environment, thereby improving the antibacterial ability.
By creating a negative pressure environment, the air content inside the packaging bottle is significantly reduced, enhancing the antibacterial effect and preventing bacterial growth.
Smart Images

Figure CN223574957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of packing bottle, especially relates to a high molecular PET packing bottle of antibiosis and negative pressure resistance. BACKGROUND
[0002] The packing bottle is a type of packing container in the packing industry, generally refers to the container with narrow and small mouth part and long neck. The capacity of the general packing bottle varies from 100 milliliters to several liters. Most of the packing bottles are made of ceramic, glass, plastic or metal materials which are not easy to leak.
[0003] When the organic product is packed and stored by the packing bottle, bacteria are easy to mix into the inside after opening, taking and closing the part, and the bacteria breeding speed under the conventional air pressure is relatively fast, thereby causing the problem of poor antibacterial effect of the conventional high molecular PET packing bottle.
[0004] Therefore, the high molecular PET packing bottle of antibiosis and negative pressure resistance is provided to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a high molecular PET packing bottle of antibiosis and negative pressure resistance, which aims at solving the problem of poor antibacterial effect of the conventional high molecular PET packing bottle.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A high molecular PET packing bottle of antibiosis and negative pressure resistance, comprising a pressure-resistant bottle, a one-way valve is fixedly connected to the upper end of the pressure-resistant bottle, a suction cylinder is fixedly connected to the upper end of the one-way valve, a piston is slidably connected to the upper part of the suction cylinder, a first leather cover is fixedly connected to the lower part of the suction cylinder, a pressing plate is fixedly connected to the upper end of the piston, a spring is fixedly connected to the lower end of the pressing plate, and a second leather cover is fixedly connected to the upper end of the one-way valve. The pressing plate is pressed downward, and the pressing plate acts on the piston downward, so that the piston extrudes the gas downward, the gas pushes the first leather cover outward to exhaust, the pressing plate is released, the spring acts on the pressing plate upward, the pressing plate pulls the piston upward, the first leather cover closes the lower opening of the suction cylinder, the suction cylinder extracts the gas in the pressure-resistant bottle, and the inside of the pressure-resistant bottle forms negative pressure through reciprocating operation, the air content in the pressure-resistant bottle is reduced, and the antibacterial capacity in the pressure-resistant bottle is improved.
[0008] Preferably, the lower end of the pressing plate is fixedly connected with a slide column in a symmetrical mode, the lower part of the slide column is slidably connected with a guide sleeve, and the lower end of the guide sleeve is fixedly connected to the upper end of the one-way valve. The angle of the pressing plate is stabilized by the slide column and the guide sleeve, the spring is prevented from being excessively twisted, and the stability of the pressing operation is improved.
[0009] Preferably, the pressure-resistant bottle comprises a bottle body and reinforcing strips which are uniformly fixedly connected to the outside of the bottle body.
[0010] Preferably, the one-way valve comprises a sealing cover, a sealing ring, a leather claw, an elastic column, a sealing sheet and an air suction pipe, the sealing cover is provided with a through hole, the sealing sheet is sealed at the through hole of the sealing cover, the elastic column is not in contact with the sealing cover, the lower end of the sealing sheet is fixedly connected to the upper end of the elastic column, the upper end of the leather claw is pressed against the lower end of the sealing cover, the lower end of the elastic column is fixedly connected to the leather claw, the air suction pipe penetrates through the sealing cover, and the air suction pipe is fixedly connected to the sealing cover.
[0011] Preferably, the air suction cylinder comprises a cylinder body and an air outlet nozzle, the air outlet nozzle is fixedly connected to the lower end of the cylinder body, and the internal space of the cylinder body and the air outlet nozzle is communicated.
[0012] Preferably, the air suction cylinder further comprises a reinforcing ring, and the reinforcing ring is fixedly connected to the roots of the cylinder body and the air outlet nozzle.
[0013] Preferably, the first leather cover comprises a first fixed ring and a first leather sheet, and the upper portion of the first leather sheet is fixedly connected to the first fixed ring.
[0014] Preferably, the second leather cover comprises a second leather sheet and a second fixed ring, and one end of the second leather sheet is fixedly connected to the second fixed ring.
[0015] In summary, the technical effects and advantages of the present application are as follows:
[0016] 1. The press plate is pressed downward, the press plate is downwardly applied to the piston, the piston is downwardly pressed to squeeze the gas, so that the gas presses the first leather cover to outwardly discharge the gas, after the press plate is released, the spring is upwardly applied to the press plate by the elastic force, the press plate is upwardly pulled to the piston, the first leather cover is closed to the lower opening of the air suction cylinder, the air suction cylinder is applied to the gas in the pressure-resistant bottle, and reciprocating operation is performed, so that the pressure-resistant bottle is formed with negative pressure, the air content in the pressure-resistant bottle is reduced, and the antibacterial capacity in the pressure-resistant bottle is improved.
[0017] 2. The angle of the pressing plate is stabilized by the slide column and guide sleeve, the spring is prevented from over-torsion, and the stability of the pressing operation is improved.
[0018] 3. The upper end of the air suction pipe is sealed by the second leather cover, when the air pressure at the upper end of the sealing cover is higher than that at the lower end, the sealing sheet is used to shield the upper and lower spaces, when the air pressure at the lower side of the sealing cover is higher than that at the upper side, the air pressure is used to overcome the elastic force of the elastic column to press the sealing sheet upward, so that the gas is discharged upward, and the piston is facilitated to suck air.
[0019] 4. The first leather cover is used to cover the exhaust nozzle, so that external gas is prevented from entering the air suction cylinder, when the air pressure in the cylinder body is higher than that at the outside, the first leather cover is pressed outward by the air pressure, so that the gas is discharged, and the air suction cylinder is facilitated to exhaust. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model;
[0021] Figure 2 It is a compression-resistant bottle structure schematic view of the utility model;
[0022] Figure 3 It is a one-way valve structure schematic view of the utility model;
[0023] Figure 4 It is an air suction cylinder structure schematic view of the utility model;
[0024] Figure 5 It is a first leather cover structure schematic view of the utility model;
[0025] Figure 6 It is a second leather cover structure schematic view of the utility model.
[0026] In the drawing: 1, piston; 2, compression-resistant bottle; 3, one-way valve; 4, air suction cylinder; 5, first leather cover; 6, second leather cover; 7, pressing plate; 8, slide column; 9, spring; 10, guide sleeve; 21, bottle body; 22, reinforcing strip; 31, sealing cover; 32, sealing ring; 33, leather claw; 34, elastic column; 35, sealing sheet; 36, air suction pipe; 41, cylinder body; 42, exhaust nozzle; 43, reinforcing ring; 51, first fixed ring; 52, first leather sheet; 61, second leather sheet; 62, second fixed ring. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0028] REFERENCE Figure 1The utility model provides an antibacterial and negative pressure resistant polymer PET packaging bottle, which comprises a pressure-resistant bottle 2, the upper end of the pressure-resistant bottle 2 is sealed with a one-way valve 3, the upper end of the one-way valve 3 is fixedly connected with a suction cylinder 4, the upper part of the suction cylinder 4 is slidably and sealingly installed with a piston 1, the lower part of the suction cylinder 4 is fixedly connected with a first leather cover 5, the upper end of the piston 1 is fixedly connected with a pressing plate 7, the lower end of the pressing plate 7 is fixedly connected with a spring 9, the upper end of the one-way valve 3 is fixedly connected with a second leather cover 6.
[0029] With reference to Figure 1 The lower end of the pressing plate 7 is fixedly connected with a slide column 8 in a symmetrical mode, the slide column 8 and a guide sleeve 10 are movably inserted into the spring 9, the lower part of the slide column 8 is slidably installed with the guide sleeve 10, and the lower end of the guide sleeve 10 is fixedly connected to the upper end of the one-way valve 3. The angle of the pressing plate 7 is stabilized by the slide column 8 and the guide sleeve 10, and the spring 9 is prevented from being excessively twisted.
[0030] With reference to Figure 1 And 2 The pressure-resistant bottle 2 comprises a bottle body 21 and a reinforcing strip 22, and the reinforcing strip 22 is fixedly connected to the outside of the bottle body 21 in a uniform mode. The pressure-resistant strength of the bottle body 21 is increased by the reinforcing strip 22.
[0031] With reference to Figure 1 、 2 And 3, the one-way valve 3 comprises a sealing cover 31, a sealing ring 32, a leather claw 33, an elastic column 34, a sealing sheet 35 and an air suction pipe 36, the sealing cover 31 is provided with a through hole in a hollow mode, the sealing cover 31 and the sealing ring 32 are sealed to the bottle body 21, the sealing sheet 35 is sealed to the through hole of the sealing cover 31, the elastic column 34 is not in contact with the sealing cover 31, the lower end of the sealing sheet 35 is fixedly connected to the upper end of the elastic column 34, the upper end of the leather claw 33 is pressed to the lower end of the sealing cover 31, the lower end of the elastic column 34 is fixedly connected with the leather claw 33, the air suction pipe 36 penetrates through the sealing cover 31, and the air suction pipe 36 is fixedly connected with the sealing cover 31. The upper end of the air suction pipe 36 is sealed by the second leather cover 6, when the air pressure at the upper end of the sealing cover 31 is higher than that at the lower end, the upper and lower spaces are shielded by the sealing sheet 35, when the air pressure at the lower side of the sealing cover 31 is higher than that at the upper side, the elastic column 34 is pressed upward to open the sealing sheet 35 by the air pressure, and the gas is discharged upward.
[0032] With reference to Figure 1 、 3 And 4, the suction cylinder 4 comprises a cylinder body 41 and an exhaust nozzle 42, the lower end of the cylinder body 41 is fixedly connected to the upper end of the sealing cover 31, the sealing sheet 35 is movably embedded in the cylinder body 41, the exhaust nozzle 42 is fixedly connected to the lower end of the cylinder body 41, and the internal space of the cylinder body 41 and the exhaust nozzle 42 is communicated. The first leather cover 5 is covered outside the exhaust nozzle 42, so that external gas is prevented from entering the suction cylinder 4, when the air pressure in the cylinder body 41 is higher than that outside, the first leather cover 5 is opened outward by the air pressure, and the gas is discharged.
[0033] With reference toFigure 1 、 3 and 4, the suction cylinder 4 further comprises a reinforcing ring 43, the lower end of the reinforcing ring 43 is fixedly connected to the upper end of the sealing cover 31, and the reinforcing ring 43 is fixedly connected to the root of the cylinder body 41 and the exhaust nozzle 42. The reinforcing ring 43 is used to increase the firmness between the cylinder body 41 and the exhaust nozzle 42.
[0034] Referring to Figure 1 、 4 and 5, the first leather cover 5 comprises a first fixed ring 51 and a first leather piece 52, the first leather piece 52 is sealed to the outer end of the exhaust nozzle 42, the first fixed ring 51 is fixedly connected to the exhaust nozzle 42, and the upper part of the first leather piece 52 is fixedly connected to the first fixed ring 51. The first leather piece 52 is used to block the outside of the exhaust nozzle 42 to prevent gas from entering the exhaust nozzle 42.
[0035] Referring to Figure 1 、 3 and 6, the second leather cover 6 comprises a second leather piece 61 and a second fixed ring 62, the second fixed ring 62 is fixedly connected to the suction pipe 36, the second leather piece 61 is sealed to the suction pipe 36, and one end of the second leather piece 61 is fixedly connected to the second fixed ring 62. The second leather piece 61 is used to block the upper end of the suction pipe 36 to prevent external gas from entering the pressure-resistant bottle 2 through the suction pipe 36.
[0036] Working principle: the pressing plate 7 is pressed downward, the pressing plate 7 acts downward on the piston 1, the piston 1 extrudes the gas downward, so that the gas pushes away the first leather cover 5 to exhaust outward, after the pressing plate 7 is released, the spring 9 acts upward on the pressing plate 7 by the elastic force, the pressing plate 7 pulls the piston 1 upward, the lower opening of the suction cylinder 4 is closed by the first leather cover 5, the suction cylinder 4 sucks the gas in the pressure-resistant bottle 2, and the internal pressure of the pressure-resistant bottle 2 is reduced by the reciprocating operation, so that the air content in the pressure-resistant bottle 2 is reduced, and the antibacterial ability in the pressure-resistant bottle 2 is improved.
[0037] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
[0038] In the description, the existing technology known by the person skilled in the art and not changed is simply mentioned and the application direction is combined with the utility model to form a complete technology; the well-known technology of the person skilled in the art is used to avoid excessive popularization, and is used to assist the person skilled in the art to quickly understand the main content of the utility model.
Claims
1. A high-molecular-weight PET packaging bottle with antibacterial and negative pressure resistance, characterized in that: Including the pressure bottle (2), the upper end of the pressure bottle (2) is sealed with a one-way valve (3), the upper end of the one-way valve (3) is fixedly connected with a suction cylinder (4), the upper part of the suction cylinder (4) is slidingly sealed with a piston (1), the lower part of the suction cylinder (4) is fixedly connected with a first leather cover (5), the upper end of the piston (1) is fixedly connected with a pressing plate (7), the lower end of the pressing plate (7) is fixedly connected with a spring (9), the upper end of the one-way valve (3) is fixedly connected with a second leather cover (6).
2. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The lower end of the pressing plate (7) is fixedly connected with a slide column (8) symmetrically, the lower part of the slide column (8) is slidingly installed with a guide sleeve (10), and the lower end of the guide sleeve (10) is fixedly connected to the upper end of the one-way valve (3).
3. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The pressure bottle (2) comprises a bottle body (21) and a reinforcing strip (22), and the reinforcing strip (22) is fixedly connected to the outside of the bottle body (21) uniformly.
4. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The one-way valve (3) comprises a sealing cover (31), a sealing ring (32), a leather claw (33), an elastic column (34), a sealing sheet (35) and an air suction pipe (36), the sealing cover (31) is hollowed out with a through hole, the sealing sheet (35) is sealed at the through hole of the sealing cover (31), the elastic column (34) is not in contact with the sealing cover (31), the lower end of the sealing sheet (35) is fixedly connected to the upper end of the elastic column (34), the upper end of the leather claw (33) is pressed on the lower end of the sealing cover (31), the lower end of the elastic column (34) is fixedly connected with the leather claw (33), the air suction pipe (36) penetrates the sealing cover (31), and the air suction pipe (36) is fixedly connected with the sealing cover (31).
5. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The suction cylinder (4) comprises a cylinder body (41) and an exhaust nozzle (42), the exhaust nozzle (42) is fixedly connected to the lower end of the cylinder body (41), and the internal spaces of the cylinder body (41) and the exhaust nozzle (42) are communicated.
6. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 5, characterized in that: The suction cylinder (4) further comprises a reinforcing ring (43), and the reinforcing ring (43) is fixedly connected to the roots of the cylinder body (41) and the exhaust nozzle (42).
7. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The first leather cover (5) comprises a first fixed ring (51) and a first leather sheet (52), and the upper part of the first leather sheet (52) is fixedly connected with the first fixed ring (51).
8. The antibacterial and negative pressure resistant polymeric PET packaging bottle according to claim 1, characterized in that: The second leather cover (6) comprises a second leather sheet (61) and a second fixed ring (62), and one end of the second leather sheet (61) is fixedly connected with the second fixed ring (62).