Lightweight PET polyester bottle with high pressure resistant structure
Patent Information
- Application Number
- CN202522256872.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-24
AI Technical Summary
[0004]本实用新型的目的在于提供一种带耐高压结构的轻质PET聚酯瓶，解决现有技术中介质可能会因晃动、温度等原因导致压力增加，该压力极易导致瓶体变形或者损坏的问题
本实用新型通过弧形凸起部和半球形凸起部的设计，使得瓶底上形成半球形槽和弧形槽，其可均匀分散轻质PET聚酯瓶瓶身内腔底部介质的冲击力，分散内压应力，增强瓶底的承重和抗压性能，通过下加强环、连接杆一、中加强环、连接杆二和上加强环的设计，可在轻质PET聚酯瓶瓶身的外壁形成框架结构，防止横向膨胀，增强耐高压性能，同时减少外界物体挤压导致轻质PET聚酯瓶瓶身变形的概率，由此设计，可有效提升轻质PET聚酯瓶瓶身整体的耐高压性能。
Smart Images
Figure CN224782738U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PET polyester bottle technology, specifically to a lightweight PET polyester bottle with a high-pressure resistant structure. Background Technology
[0002] Lightweight PET polyester bottles are packaging containers made from polyethylene terephthalate (PET). They feature high transparency, chemical resistance, light weight (only 1 / 10 the weight of glass bottles), and excellent gas barrier properties. They are widely used for packaging carbonated beverages, juices, mineral water, and other liquids, and are gradually expanding into the beer and pharmaceutical industries.
[0003] Traditional lightweight PET polyester bottles have weak high-pressure resistance. When they are filled with media, the pressure may increase due to shaking, temperature, or other reasons. This pressure can easily cause the bottle to deform or be damaged, affecting its normal use. Utility Model Content
[0004] The purpose of this invention is to provide a lightweight PET polyester bottle with a high-pressure resistant structure, which solves the problem in the prior art that the medium may increase pressure due to shaking, temperature and other reasons, and this pressure can easily cause the bottle to deform or be damaged.
[0005] This utility model provides the following technical solution: a lightweight PET polyester bottle with a high-pressure resistant structure, comprising: Lightweight PET polyester bottle body; A high-pressure resistant structure is provided on the body of a lightweight PET polyester bottle, and the high-pressure resistant structure is used to improve the pressure resistance of the lightweight PET polyester bottle body; The convenient operation structure is set on the top of the lightweight PET polyester bottle body, and the convenient operation structure is used to improve the ease of opening and closing the opening; The high-pressure resistant structure includes a bottle bottom, which is fixedly connected to the bottom of the lightweight PET polyester bottle body. The bottom of the bottle bottom is fixedly connected to an arc-shaped protrusion and a hemispherical protrusion. The top of the bottle bottom is provided with a hemispherical groove and an arc-shaped groove. The bottom of the arc-shaped protrusion is fixedly connected to a rubber anti-slip pad.
[0006] As a preferred embodiment of the above technical solution, the high-pressure resistant structure further includes a lower reinforcing ring, a middle reinforcing ring, and an upper reinforcing ring. The lower reinforcing ring is fixedly connected to the outer wall of the lightweight PET polyester bottle body, the middle reinforcing ring is fixedly connected to the outer wall of the lightweight PET polyester bottle body and located above the lower reinforcing ring, and the upper reinforcing ring is fixedly connected to the outer wall of the lightweight PET polyester bottle body and located above the middle reinforcing ring.
[0007] As a preferred embodiment of the above technical solution, a connecting rod one is fixedly connected between the adjacent sides of the lower reinforcing ring and the middle reinforcing ring, and a connecting rod two is fixedly connected between the adjacent sides of the middle reinforcing ring and the upper reinforcing ring.
[0008] As a preferred embodiment of the above technical solution, the convenient operation structure includes a bottle mouth, which is fixedly connected to the top of the lightweight PET polyester bottle body. A collar is fixedly fitted onto the outer wall of the bottle mouth, and an assembly block is fixedly installed on the top of the collar.
[0009] As a preferred embodiment of the above technical solution, a stopper cap is movably inserted into the top of the bottle opening, and a rubber ring is fixedly fitted onto the outer wall of the stopper cap.
[0010] As a preferred embodiment of the above technical solution, a fixing block is fixedly installed on the top of the plug, a limiting slide rod is slidably connected to the inner wall of the fixing block, a pressure block is fixedly installed at the end of the limiting slide rod, an elastic element is fixedly installed on the outer wall of the pressure block, and the end of the elastic element away from the pressure block is fixedly installed on the outer wall of the fixing block.
[0011] As a preferred embodiment of the above technical solution, an insert block is fixedly installed on the outer wall of the pressure block, and the insert block is movably inserted into the assembly block.
[0012] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes the design of arc-shaped and hemispherical protrusions to create hemispherical and arc-shaped grooves on the bottle bottom. These grooves evenly distribute the impact force of the medium at the bottom of the lightweight PET polyester bottle's inner cavity, disperse internal pressure stress, and enhance the load-bearing and pressure-resistant performance of the bottle bottom. Through the design of the lower reinforcing ring, connecting rod one, middle reinforcing ring, connecting rod two, and upper reinforcing ring, a frame structure is formed on the outer wall of the lightweight PET polyester bottle body to prevent lateral expansion, enhance high-pressure resistance, and reduce the probability of deformation of the lightweight PET polyester bottle body caused by external object compression. This design effectively improves the overall high-pressure resistance of the lightweight PET polyester bottle body. Attached Figure Description
[0013] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a schematic diagram of the overall structure of the reinforcing ring in this utility model; Figure 3 This is a schematic diagram of the bottom structure of the bottle of this utility model; Figure 4 This is a schematic diagram of the bottom structure of the bottle bottom of this utility model; Figure 5 This is a schematic diagram of the convenient operation structure of this utility model.
[0014] In the diagram: 1. Lightweight PET polyester bottle body; 2. High-pressure resistant structure; 21. Lower reinforcing ring; 22. Connecting rod one; 23. Middle reinforcing ring; 24. Connecting rod two; 25. Upper reinforcing ring; 26. Bottle bottom; 261. Hemispherical groove; 262. Arc groove; 27. Arc protrusion; 28. Hemispherical protrusion; 29. Rubber anti-slip pad; 3. Convenient operation structure; 31. Bottle mouth; 32. Loop ring; 33. Assembly block; 34. Stopper cap; 35. Fixing block; 36. Limiting slide bar; 37. Pressure block; 38. Elastic element; 39. Insert block. Detailed Implementation
[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0016] like Figures 1-5 As shown, this utility model provides a technical solution: a lightweight PET polyester bottle with a high-pressure resistant structure, comprising: Lightweight PET polyester bottle body 1; High pressure resistant structure 2 is installed on the lightweight PET polyester bottle body 1. The high pressure resistant structure 2 is used to improve the pressure resistance of the lightweight PET polyester bottle body 1. The convenient operation structure 3 is set on the top of the lightweight PET polyester bottle body 1. The convenient operation structure 3 is used to improve the ease of opening and closing the opening. The high-pressure resistant structure 2 includes a bottle bottom 26, which is fixedly connected to the bottom of the lightweight PET polyester bottle body 1. The bottom of the bottle bottom 26 is fixedly connected to an arc-shaped protrusion 27 and a hemispherical protrusion 28. The top of the bottle bottom 26 is provided with a hemispherical groove 261 and an arc-shaped groove 262. The bottom of the arc-shaped protrusion 27 is fixedly connected to a rubber anti-slip pad 29. Through the design of the arc-shaped protrusion 27 and the hemispherical protrusion 28, hemispherical grooves 261 and arc-shaped grooves 262 are formed on the bottle bottom 26. These grooves can evenly disperse the impact force of the medium at the bottom of the inner cavity of the lightweight PET polyester bottle body 1, disperse the internal pressure stress, and enhance the load-bearing and pressure resistance of the bottle bottom 26. Through the design of the rubber anti-slip pad 29, the anti-slip performance of the bottom of this structure is improved, and the stability when placed on a relatively smooth surface is increased.
[0017] As one implementation method in this embodiment, such as Figure 2As shown, the high-pressure resistant structure 2 also includes a lower reinforcing ring 21, a middle reinforcing ring 23, and an upper reinforcing ring 25. The lower reinforcing ring 21 is fixedly connected to the outer wall of the lightweight PET polyester bottle body 1. The middle reinforcing ring 23 is fixedly connected to the outer wall of the lightweight PET polyester bottle body 1 and is located above the lower reinforcing ring 21. The upper reinforcing ring 25 is fixedly connected to the outer wall of the lightweight PET polyester bottle body 1 and is located above the middle reinforcing ring 23. The lower reinforcing ring 21 and the middle reinforcing ring 23 have the same height, both greater than the height of the upper reinforcing ring 25. The lightweight PET polyester bottle body 1 is mostly placed vertically, and the pressure at the bottom is greater. This design can reduce the amount of material used.
[0018] As one implementation method in this embodiment, such as Figure 2 As shown, a connecting rod 22 is fixedly connected between the lower reinforcing ring 21 and the middle reinforcing ring 23 on adjacent sides, and a connecting rod 24 is fixedly connected between the middle reinforcing ring 23 and the upper reinforcing ring 25 on adjacent sides. Through the design of the lower reinforcing ring 21, connecting rod 22, middle reinforcing ring 23, connecting rod 24, and upper reinforcing ring 25, a frame structure can be formed on the outer wall of the lightweight PET polyester bottle body 1 to prevent lateral expansion and enhance high pressure resistance. There are six connecting rods 22, which are evenly distributed between the lower reinforcing ring 21 and the middle reinforcing ring 23, and six connecting rods 24, which are evenly distributed between the middle reinforcing ring 23 and the upper reinforcing ring 25. The lightweight PET polyester bottle body 1 is mostly placed vertically, and the pressure at the bottom is greater. This design can reduce the amount of material used.
[0019] As one implementation method in this embodiment, such as Figure 5 As shown, the convenient operation structure 3 includes a bottle mouth 31, which is fixedly connected to the top of the lightweight PET polyester bottle body 1. A collar 32 is fixedly sleeved on the outer wall of the bottle mouth 31, and an assembly block 33 is fixedly installed on the top of the collar 32. A round hole is opened on the side of the assembly block 33 to facilitate the positioning of the movable part at the top of the bottle mouth 31.
[0020] As one implementation method in this embodiment, such as Figure 5 As shown, a stopper 34 is movably inserted into the top of the bottle mouth 31. A rubber ring is fixedly fitted on the outer wall of the stopper 34. The stopper 34 is installed on the top of the bottle mouth 31 by a plug-in method. This design can improve the efficiency of the stopper 34 in disassembly and assembly. The rubber ring design can seal the connection between the stopper 34 and the bottle mouth 31 when the stopper 34 is installed.
[0021] As one implementation method in this embodiment, such as Figure 5As shown, a fixing block 35 is fixedly installed on the top of the plug 34. A limiting slide rod 36 is slidably connected to the inner wall of the fixing block 35. A pressure block 37 is fixedly installed at the end of the limiting slide rod 36. An elastic element 38 is fixedly installed on the outer wall of the pressure block 37. The end of the elastic element 38 away from the pressure block 37 is fixedly installed on the outer wall of the fixing block 35. An insert block 39 is fixedly installed on the outer wall of the pressure block 37. The insert block 39 is movably inserted into the assembly block 33. In the initial state, the insert block 39 is inserted into the interior of the assembly block 33, locking the plug. With the cap 34 inserted into the bottle neck 31, if it is necessary to remove the cap 34, first push the two pressure blocks 37 in opposite directions, causing the pressure blocks 37 to slide towards the fixing block 35 by means of the limiting slide rod 36, while compressing the elastic element 38, so that the insertion block 39 is pulled out from inside the assembly block 33, and then the cap 34 can be pulled out from the top of the bottle neck 31. After reinstalling the cap 34, release the pressure blocks 37, and the elastic force of the elastic element 38 can drive the insertion block 39 to be inserted into the assembly block 33, locking the cap 34.
[0022] Working principle: Through the design of the lower reinforcing ring 21, connecting rod 1 22, middle reinforcing ring 23, connecting rod 24, and upper reinforcing ring 25, a frame structure can be formed on the outer wall of the lightweight PET polyester bottle body 1 to prevent lateral expansion and enhance high pressure resistance. Through the design of the arc-shaped protrusion 27 and the hemispherical protrusion 28, a hemispherical groove 261 and an arc-shaped groove 262 are formed on the bottle bottom 26, which can evenly disperse the impact force of the medium at the bottom of the inner cavity of the lightweight PET polyester bottle body 1, disperse the internal pressure stress, and strengthen the bottle bottom. The 26 has good load-bearing and pressure resistance. Initially, the insert 39 is inserted into the assembly block 33, and the stopper 34 is locked in the bottle neck 31. If the stopper 34 needs to be removed, first push the two pressure blocks 37 in opposite directions so that the insert 39 is removed from the assembly block 33. Then the stopper 34 can be pulled out from the top of the bottle neck 31. After resetting the stopper 34, release the pressure blocks 37. Through the elastic force of the elastic element 38, the insert 39 can be inserted into the assembly block 33, and the stopper 34 can be locked.
[0023] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A lightweight PET polyester bottle with a high-pressure resistant structure, characterized in that, include: Lightweight PET polyester bottle body (1); High pressure resistant structure (2), the high pressure resistant structure (2) is disposed on the lightweight PET polyester bottle body (1), the high pressure resistant structure (2) is used to improve the pressure resistance of the lightweight PET polyester bottle body (1); The convenient operation structure (3) is set on the top of the lightweight PET polyester bottle body (1) and is used to improve the ease of opening and closing the opening. The high-pressure resistant structure (2) includes a bottle bottom (26), which is fixedly connected to the bottom of the lightweight PET polyester bottle body (1). The bottom of the bottle bottom (26) is fixedly connected to an arc-shaped protrusion (27) and a hemispherical protrusion (28). The top of the bottle bottom (26) is provided with a hemispherical groove (261) and an arc-shaped groove (262). The bottom of the arc-shaped protrusion (27) is fixedly connected to a rubber anti-slip pad (29).
2. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 1, characterized in that: The high-pressure resistant structure (2) further includes a lower reinforcing ring (21), a middle reinforcing ring (23), and an upper reinforcing ring (25). The lower reinforcing ring (21) is fixedly connected to the outer wall of the lightweight PET polyester bottle body (1). The middle reinforcing ring (23) is fixedly connected to the outer wall of the lightweight PET polyester bottle body (1) and is located above the lower reinforcing ring (21). The upper reinforcing ring (25) is fixedly connected to the outer wall of the lightweight PET polyester bottle body (1) and is located above the middle reinforcing ring (23).
3. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 2, characterized in that: A connecting rod one (22) is fixedly connected between the lower reinforcing ring (21) and the middle reinforcing ring (23) on adjacent sides, and a connecting rod two (24) is fixedly connected between the middle reinforcing ring (23) and the upper reinforcing ring (25) on adjacent sides.
4. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 1, characterized in that: The convenient operation structure (3) includes a bottle mouth (31), which is fixedly connected to the top of the lightweight PET polyester bottle body (1). A collar (32) is fixedly sleeved on the outer wall of the bottle mouth (31), and an assembly block (33) is fixedly installed on the top of the collar (32).
5. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 4, characterized in that: A stopper (34) is movably inserted into the top of the bottle mouth (31), and a rubber ring is fixedly fitted onto the outer wall of the stopper (34).
6. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 5, characterized in that: A fixing block (35) is fixedly installed on the top of the plug (34). A limiting slide rod (36) is slidably connected on the inner wall of the fixing block (35). A pressure block (37) is fixedly installed at the end of the limiting slide rod (36). An elastic element (38) is fixedly installed on the outer wall of the pressure block (37). The end of the elastic element (38) away from the pressure block (37) is fixedly installed on the outer wall of the fixing block (35).
7. A lightweight PET polyester bottle with a high-pressure resistant structure according to claim 6, characterized in that: An insert (39) is fixedly installed on the outer wall of the pressure block (37), and the insert (39) is movably inserted into the assembly block (33).