Carbonic acid PET (Polyethylene Terephthalate) bottle convenient for injecting carbon dioxide

Abstract

According to the carbonic acid PET bottle convenient to inject carbon dioxide, in the working process of the carbonic acid PET bottle convenient to inject carbon dioxide, the bottle cap is taken down from the connecting block, and carbon dioxide gas is injected through the end, exposed out of the sliding groove, of the injection pipe; and carbon dioxide gas is uniformly injected into the beverage in the bottle body by extruding the hose, the connecting pipe, the exhaust box and the exhaust holes. Then the bottle cap is arranged on the connecting block in a covering mode, in the process, the extrusion pipe abuts against the soft conical extrusion block and extrudes the soft conical extrusion block, the soft conical extrusion block is extruded and deformed by combining with the conical cavity, the soft conical extrusion block extrudes the extrusion hose so as to seal the extrusion hose, and meanwhile, the extrusion hose can be sealed through the soft conical extrusion block; the end, away from the soft conical extrusion block, of the injection pipe abuts against the sealing gasket in a sealed mode. The carbonic acid PET bottle facilitating carbon dioxide injection is good in sealing performance, and carbon dioxide gas can be conveniently, evenly and fully injected into beverage in the bottle body.

Description

Technical Field

[0001] The utility model relates to the field of carbonated PET bottles, in particular to a carbonated PET bottle which is convenient for injecting carbon dioxide. Background Art

[0002] PET bottle refers to the polymer produced by the combination of terephthalic acid and ethylene glycol, the plastic material of PET. PET plastic has the characteristics of light weight, high transparency, impact resistance and not easy to break, and can also prevent carbon dioxide gas. PET bottles have strong applicability and are widely used in daily necessities, daily chemical packaging and other fields. PET bottles are processed again by blow molding to form plastic bottles, including bottles used for packaging of cosmetics, medicine, health care, beverages, mineral water, reagents, etc. PET plastic bottles are not only widely used to package carbonated beverages, drinking water, fruit juice, enzymes and tea beverages, etc., which are the most used beverage packaging today, but also widely used in many fields such as food, chemical industry, and pharmaceutical packaging. PET plastic has a wide range of applications in the packaging field, whether it is packaging film or coil, PET plastic is used.

[0003] However, a carbonated PET bottle refers to a PET bottle that can hold carbonated beverages. The traditional carbonated PET bottle, with application number CN202122608290.6 and invention name Carbonated Bottle, does not facilitate the injection of carbon dioxide. Utility Model Content

[0004] Based on this, it is necessary to provide a carbonated PET bottle that is easy to inject carbon dioxide in order to solve the technical problem that the traditional carbonated PET bottle is inconvenient to inject carbon dioxide.

[0005] A carbonated PET bottle convenient for injecting carbon dioxide, the carbonated PET bottle convenient for injecting carbon dioxide comprising: a bottle cap, a sealing mechanism, a bottle body and an injection mechanism;

[0006] The bottle cap is provided with a thread groove;

[0007] The sealing mechanism comprises a connecting block, an extrusion tube, a sealing pad and a soft conical extrusion block; the connecting block is connected to the top of the bottle body, a sliding groove is provided at one end of the connecting block away from the bottle body, a conical cavity is provided at the bottom of the sliding groove, the maximum width of the conical cavity is greater than the width of the sliding groove, and the tip of the conical cavity is arranged away from the sliding groove; a through hole is provided at the tip of the conical cavity; an external thread is provided on the outer wall of the connecting block, the connecting block is adapted to the thread groove, the connecting block is inserted in the thread groove and is screwed to the bottle cap; one end of the extrusion tube is connected to the middle area of ​​the thread groove; the extrusion tube is adapted to the sliding groove, the extrusion tube is inserted in the sliding groove and is slidably connected to the connecting block; the sealing pad is accommodated in the extrusion tube and connected to the bottom of the thread groove; the soft conical extrusion block is adapted to the conical cavity, and the soft conical extrusion block is accommodated in the conical cavity; an insertion hole is provided in the soft conical extrusion block;

[0008] The injection mechanism includes an injection tube, an extrusion hose, a connecting tube and an exhaust box; the injection tube is connected to the connecting tube through the extrusion hose; one end of the connecting tube away from the extrusion hose is connected to the exhaust box; a plurality of exhaust holes are evenly opened on the exhaust box; the exhaust box and the connecting tube are both accommodated in the bottle body; the exhaust box is connected to the inner wall of the bottom of the bottle body; one end of the injection tube is exposed in the sliding groove, and the other end of the injection tube is connected to the wide end of the soft conical extrusion block; the injection tube is adapted to the extrusion tube, the injection tube is inserted in the extrusion tube and is slidably connected to the extrusion tube; when one end of the injection tube away from the soft conical extrusion block is in sealing contact with the sealing gasket; the extrusion tube is in contact with the soft conical extrusion block; the insertion hole and the through hole are both adapted to the extrusion hose, and the extrusion hose is inserted in the insertion hole and the through hole in sequence.

[0009] In one embodiment, the squeeze tube and the bottle cap are integrally formed.

[0010] In one embodiment, the exhaust box is integrally formed with the bottle body.

[0011] In one embodiment, the exhaust box is a hollow cylindrical structure.

[0012] In one embodiment, the exhaust box is a hollow rectangular parallelepiped structure.

[0013] In one embodiment, the connecting block and the bottle body are integrally formed.

[0014] In one embodiment, the extrusion hose is a soft silicone tube.

[0015] In one embodiment, anti-slip grooves are provided on the outer wall of the bottle cap.

[0016] In one embodiment, the sealing pad is a soft silicone pad.

[0017] In one embodiment, the sealing pad is a soft rubber pad.

[0018] During operation of the above-mentioned carbonated PET bottle that is easy to inject carbon dioxide, the bottle cap is removed from the connecting block, and carbon dioxide gas is injected through the end of the injection tube exposed to the sliding groove, and the carbon dioxide gas is evenly injected into the beverage in the bottle through the extrusion hose, the connecting tube, the exhaust box and the exhaust holes. The bottle cap is then placed on the connecting block. During this process, the extrusion tube abuts against the soft conical extrusion block and squeezes the soft conical extrusion block. The soft conical extrusion block is squeezed and deformed in combination with the conical cavity, so that the soft conical extrusion block squeezes the extrusion hose to seal the extrusion hose. At the same time, the end of the injection tube away from the soft conical extrusion block is sealed and abutted against the sealing gasket. The above-mentioned carbonated PET bottle that is easy to inject carbon dioxide has good sealing performance and is easy to evenly and fully inject carbon dioxide gas into the beverage in the bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a carbonated PET bottle that is convenient for injecting carbon dioxide in one embodiment;

[0020] Figure 2 It is a schematic diagram of a partially enlarged structure of a carbonated PET bottle that is convenient for injecting carbon dioxide in one embodiment. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth so as to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below. In the description of the utility model, it is necessary to understand that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or position relationship shown in the accompanying drawings, only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0026] Please also read Figure 1 to Figure 2 The utility model provides a carbonated PET bottle 10 that is convenient for injecting carbon dioxide. The carbonated PET bottle 10 that is convenient for injecting carbon dioxide includes: a bottle cap 100, a sealing mechanism 200, a bottle body 300 and an injection mechanism 400.

[0027] The bottle cap 100 is provided with a thread groove 101. In this embodiment, the outer wall of the bottle cap 100 is provided with anti-skid patterns to increase the anti-skid performance of the bottle cap 100.

[0028] The sealing mechanism 200 includes a connecting block 210, an extrusion tube 220, a sealing pad 230 and a soft conical extrusion block 240. The connecting block 210 is connected to the top of the bottle body 300. In the present embodiment, the connecting block 210 and the bottle body 300 are integrally formed. A sliding groove 201 is provided at one end of the connecting block 210 away from the bottle body 300, a conical cavity 202 is provided at the bottom of the sliding groove 201, the maximum width of the conical cavity 202 is greater than the width of the sliding groove 201, and the tip of the conical cavity 202 is arranged away from the sliding groove 201. A through hole 203 is provided at the tip of the conical cavity 202. An external thread is provided on the outer wall of the connecting block 210, the connecting block 210 is adapted to the thread groove 101, the connecting block 210 is inserted into the thread groove 101 and is screwed to the bottle cap 100. One end of the extrusion tube 220 is connected to the middle area of ​​the thread groove 101. In the present embodiment, the extrusion tube 220 is integrally formed with the bottle cap 100. The extrusion tube 220 is adapted to the sliding groove 201, and the extrusion tube 220 is inserted into the sliding groove 201 and is slidably connected to the connecting block 210. The sealing gasket 230 is received in the extrusion tube 220 and is connected to the bottom of the threaded groove 101. In the present embodiment, the sealing gasket 230 is a soft silicone gasket. In another embodiment, the sealing gasket 230 is a soft rubber gasket. The soft conical extrusion block 240 is adapted to the conical cavity 202, and the soft conical extrusion block 240 is received in the conical cavity 202. An insertion hole 204 is provided in the soft conical extrusion block 240.

[0029] The injection mechanism 400 includes an injection pipe 410, an extrusion hose 420, a connecting pipe 430 and an exhaust box 440. The injection pipe 410 is connected to the connecting pipe 430 through the extrusion hose 420. One end of the connecting pipe 430 away from the extrusion hose 420 is connected to the exhaust box 440. A plurality of exhaust holes 401 are evenly provided on the exhaust box 440. The exhaust box 440 and the connecting pipe 430 are both accommodated in the bottle body 300. The exhaust box 440 is connected to the inner wall at the bottom of the bottle body 300. In this embodiment, the exhaust box 440 is integrally formed with the bottle body 300. The exhaust box 440 is a hollow cylindrical structure. In another embodiment, the exhaust box 440 is a hollow cuboid structure. One end of the injection pipe 410 is exposed in the sliding groove 201, and the other end of the injection pipe 410 is connected to the wide end of the soft conical extrusion block 240. The injection tube 410 is adapted to the extrusion tube 220, and the injection tube 410 is inserted into the extrusion tube 220 and is slidably connected to the extrusion tube 220. When the end of the injection tube 410 away from the soft conical extrusion block 240 is in sealing contact with the sealing pad 230, the extrusion tube 220 is in contact with the soft conical extrusion block 240. In this embodiment, the extrusion hose 420 is a soft silicone tube. The insertion hole 204 and the through hole 203 are both adapted to the extrusion hose 420, and the extrusion hose 420 is inserted into the insertion hole 204 and the through hole 203 in sequence.

[0030] During the operation of the carbonated PET bottle 10 that is easy to inject carbon dioxide, the bottle cap 100 is removed from the connecting block 210, and carbon dioxide gas is injected through the end of the injection tube 410 exposed to the sliding groove 201, and carbon dioxide gas is uniformly injected into the beverage in the bottle body 300 through the squeezing hose 420, the connecting tube 430, the exhaust box 440 and the exhaust holes 401. Then, the bottle cap 100 is placed on the connecting block 210. In this process, the squeezing tube 220 abuts against the soft conical squeezing block 240 and squeezes the soft conical squeezing block 240. The soft conical squeezing block 240 is squeezed and deformed in combination with the conical cavity 202, so that the soft conical squeezing block 240 squeezes the squeezing hose 420 to seal the squeezing hose 420. At the same time, the end of the injection tube 420 away from the soft conical squeezing block 240 is sealed against the sealing pad 230. The carbonated PET bottle 10 that is easy to inject carbon dioxide has good sealing performance and is easy to evenly and fully inject carbon dioxide gas into the beverage in the bottle body 300.

[0031] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A carbonated PET bottle that is easy to inject carbon dioxide, characterized in that: include: Bottle cap, sealing mechanism, bottle body and injection mechanism; The bottle cap is provided with a thread groove; The sealing mechanism comprises a connecting block, an extrusion tube, a sealing pad and a soft conical extrusion block; the connecting block is connected to the top of the bottle body, a sliding groove is provided at one end of the connecting block away from the bottle body, a conical cavity is provided at the bottom of the sliding groove, the maximum width of the conical cavity is greater than the width of the sliding groove, and the tip of the conical cavity is arranged away from the sliding groove; a through hole is provided at the tip of the conical cavity; an external thread is provided on the outer wall of the connecting block, the connecting block is adapted to the thread groove, the connecting block is inserted in the thread groove and is screwed to the bottle cap; one end of the extrusion tube is connected to the middle area of ​​the thread groove; the extrusion tube is adapted to the sliding groove, the extrusion tube is inserted in the sliding groove and is slidably connected to the connecting block; the sealing pad is accommodated in the extrusion tube and connected to the bottom of the thread groove; the soft conical extrusion block is adapted to the conical cavity, and the soft conical extrusion block is accommodated in the conical cavity; an insertion hole is provided in the soft conical extrusion block; The injection mechanism includes an injection tube, an extrusion hose, a connecting tube and an exhaust box; the injection tube is connected to the connecting tube through the extrusion hose; one end of the connecting tube away from the extrusion hose is connected to the exhaust box; a plurality of exhaust holes are evenly opened on the exhaust box; the exhaust box and the connecting tube are both accommodated in the bottle body; the exhaust box is connected to the inner wall of the bottom of the bottle body; one end of the injection tube is exposed in the sliding groove, and the other end of the injection tube is connected to the wide end of the soft conical extrusion block; the injection tube is adapted to the extrusion tube, the injection tube is inserted in the extrusion tube and is slidably connected to the extrusion tube, when one end of the injection tube away from the soft conical extrusion block is sealed and abutted against the sealing gasket; the extrusion tube abuts against the soft conical extrusion block; the insertion hole and the through hole are adapted to the extrusion hose, and the extrusion hose is inserted in the insertion hole and the through hole in sequence.

2. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The squeeze tube and the bottle cap are integrally formed.

3. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The exhaust box is integrally formed with the bottle body.

4. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The exhaust box is a hollow cylindrical structure.

5. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The exhaust box is a hollow rectangular parallelepiped structure.

6. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The connecting block and the bottle body are integrally formed.

7. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The extrusion hose is a soft silicone tube.

8. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The outer wall of the bottle cap is provided with anti-slip patterns.

9. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The sealing pad is a soft silicone pad.

10. The carbonated PET bottle for easy injection of carbon dioxide according to claim 1, characterized in that: The sealing pad is a soft rubber pad.

Images