CN219142513U

CN219142513U - Air charging head for internal pressure test of plastic bottle

Info

Publication number: CN219142513U
Application number: CN202320169505.5U
Authority: CN
Inventors: 杨强; 王验; 台枫; 欧阳立成; 高文超; 赵宁宁; 刘刚
Original assignee: China Academy of Civil Aviation Science and Technology
Current assignee: China Academy of Civil Aviation Science and Technology
Priority date: 2022-10-26
Filing date: 2023-02-09
Publication date: 2023-06-06
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to an inflation head for an internal pressure test of a plastic bottle, which comprises an inflation head body, wherein an inflation pipeline is fixedly connected to the inside of the inflation head body, sealant is fixedly connected to the bottom of the inner wall of the inflation head body, a sample bottle cap is fixedly connected to the bottom of the sealant, a needle is fixedly connected between the sample bottle cap and the inflation pipeline, a first connecting air pipe is fixedly connected to the right side of the inflation pipeline, and a second connecting air pipe is fixedly connected to the right side of the inflation pipeline and above the first connecting air pipe.

Description

Air charging head for internal pressure test of plastic bottle

Technical Field

The utility model relates to the technical field of inflation heads, in particular to an inflation head for testing the internal pressure of a plastic bottle.

Background

The plastic bottle is a plastic container which is formed by using polyester, polyethylene and polypropylene as raw materials, adding corresponding organic solvents, heating at high temperature, blow molding, extrusion blowing or injection molding through a plastic mold, and is mainly used for liquid or solid disposable plastic packaging containers such as beverages, foods, pickles, honey, dried fruits, edible oil, agricultural and veterinary medicines, blood, medical products and the like, and has the characteristics of difficult breakage, low cost, high transparency, food-grade raw materials and the like. According to the requirements of the technical rules of dangerous goods safety air transportation and the rules of dangerous goods, all metal, plastic and composite packages to be filled with liquid should be subjected to an internal pressure (hydraulic pressure) test, bear the internal pressure of not less than 95kPa, and have no leakage.

At present, when the internal pressure test of the plastic bottle is carried out, the internal inflation pressure maintaining or external vacuum test mode can be adopted. However, the maximum pressure of the vacuumizing equipment is 90kPa, and the testing requirement of 95kPa or even higher pressure difference cannot be met. And the mode of inflation pressure maintaining does not have an inflation device aiming at the internal pressure test of the plastic bottle in the current market. If directly bore at the bottle lid department of plastic bottle, then use to aerify pressurize equipment, aerify in the plastic bottle through the hole that drills, carry out interior pressure test, then aerify the junction of pressurize equipment and bottle lid and leak gas easily, need make sealing measure, the step is loaded down with trivial details, work efficiency is low, the operation degree of difficulty is high, can not fine satisfy people's user demand.

Disclosure of Invention

In view of the above problems in the prior art, a primary object of the present utility model is to provide a plastic bottle internal pressure test inflation head that has good sealing performance and is convenient to use.

The technical scheme of the utility model is as follows:

the utility model provides a plastic bottle internal pressure test inflatable head, includes the inflatable head body, the inside fixedly connected with inflatable tube of inflatable head body, the bottom fixedly connected with seal of inflatable head body inner wall is glued, the bottom fixedly connected with sample bottle lid of seal glue, sample bottle lid with fixedly connected with syringe needle between the inflatable tube, inflatable tube's right side fixedly connected with is first to be connected with the trachea, inflatable tube's right side just is located the tracheal top fixedly connected with second of first connection connects the trachea.

The upper end of the needle is communicated with the air inflation pipeline, and the lower end of the needle extends to the inside of the sample bottle cap.

The first connecting air pipe and the second connecting air pipe are fixedly connected with the inflatable head body.

The top center position of the inflation head body is provided with a thread groove, and the inside thread of the thread groove is connected with a mounting column.

The top fixedly connected with horizontal pole of erection column, the one end fixedly connected with adjustment sleeve of horizontal pole, the inside sliding connection of adjustment sleeve has the montant, one side threaded connection of adjustment sleeve has the bolt.

Wherein, the bottom fixedly connected with bottom plate of montant.

Wherein, the top fixedly connected with baffle of montant.

The utility model has the following advantages and beneficial effects: the utility model has simple structure, low cost and convenient operation, does not damage the test sample, is convenient for replacing the test sample, improves the working efficiency, can fix the sample bottle cap through the arranged sealant, can improve the tightness, avoids leakage at the connecting part of the needle head and the sample bottle cap, can abut against the vertical rod through the arranged bolt, and fixes the adjusting sleeve, thereby being convenient for adapting to plastic bottles with different heights.

Drawings

FIG. 1 is a schematic view of an inflatable head body according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of an assembled inflation head according to an embodiment of the present utility model.

In the figure: 1. an inflation head body; 2. an inflation pipeline; 3. sealing glue; 4. a sample bottle cap; 5. a needle; 6. a first connecting air pipe; 7. a second connecting air pipe; 8. a thread groove; 9. a bottom plate; 10. a vertical rod; 11. a mounting column; 12. a bolt; 13. an adjusting sleeve; 14. a baffle; 15. a cross bar.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will be further described with reference to the drawings and specific examples.

As shown in fig. 1 to 2: the inflation head for the internal pressure test of the plastic bottle comprises an inflation head body 1, wherein an inflation pipeline 2 is fixedly connected to the inside of the inflation head body 1, a sealant 3 is fixedly connected to the bottom of the inner wall of the inflation head body 1, the sample bottle cap 4 can be fixed through the arranged sealant 3, the tightness can be improved, leakage of a connecting part of a needle head 5 and the sample bottle cap 4 is avoided, the sample bottle cap 4 is fixedly connected to the bottom of the sealant 3, the needle head 5 is fixedly connected between the sample bottle cap 4 and the inflation pipeline 2, the connecting part generates leakage, the needle head 5 is fixedly connected between the sample bottle cap 4 and the inflation pipeline 2, and the plastic bottle with the same specification can be conveniently connected with inflation equipment by the aid of the arranged inflation head body 1, the inflation pipeline 2, the sealant 3, the sample bottle cap 4, the needle head 5, the first connection gas pipe 6 and the second connection gas pipe 7, only the bottle body needs to be replaced in each test, the operation is simple and convenient, the right side of the inflation pipeline 2 is fixedly connected with the first connection gas pipe 6, the right side of the inflation pipeline 2 is positioned above the first connection gas pipe 6, and the second connection gas pipe 7 is conveniently connected with the inflation equipment for maintaining pressure of the plastic bottle.

The upper end of the needle 5 is communicated with the air charging pipeline 2, and the lower end of the needle 5 extends to the inside of the sample bottle cap 4.

The first connecting air pipe 6 and the second connecting air pipe 7 are fixedly connected with the inflatable head body 1, and the first connecting air pipe 6 and the second connecting air pipe 7 are fixedly connected with the inflatable head body 1, so that the first connecting air pipe 6 and the second connecting air pipe 7 are fixed more firmly.

The top central point of the inflatable head body 1 is provided with a thread groove 8, the inside thread of the thread groove 8 is connected with a mounting column 11, and different inflatable head bodies 1 can be replaced conveniently by people through the arranged thread groove 8 and the mounting column 11, so that the operation steps are simplified.

The top fixedly connected with horizontal pole 15 of erection column 11, the one end fixedly connected with adjustment sleeve 13 of horizontal pole 15, the inside sliding connection of adjustment sleeve 13 has montant 10, and one side threaded connection of adjustment sleeve 13 has bolt 12, can support tight montant 10 through the bolt 12 that sets up, and adjustment sleeve 13 is fixed to can adjust the height of inflating head body 1, be convenient for adapt to the plastic bottle of different height.

The bottom fixedly connected with bottom plate 9 of montant 10 can play the fixed action for inflating head body 1 through bottom plate 9, montant 10, adjusting collar 13, horizontal pole 15 and the erection column 11 that set up for people need not to hold inflating head body 1 with the hand and fix it when using, make things convenient for people to use.

The top fixedly connected with baffle 14 of montant 10 can be used for blockking adjusting collar 13 through the baffle 14 that sets up, avoids people when adjusting the position of adjusting collar 13, and adjusting collar 13 and montant 10 are completely separated.

Specifically, during the use, unscrew bolt 12, slip adjusting sleeve 13, according to the high adjustment of plastic bottle aerify the proper height of first body 1, then be connected first connecting gas pipe 6 and second connecting gas pipe 7 with the outside pressure maintaining equipment that aerifys, twist the plastic bottle that needs the test to the below of sample bottle lid 4, start outside pressure maintaining equipment that aerifys, compressed air gets into in the inflation line 2 through first connecting gas pipe 6 and second connecting gas pipe 7, later get into in the plastic bottle through syringe needle 5, exert pressure to the plastic bottle and test, to the plastic bottle of same specification, only need change the body for every test, the operation step has been simplified.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a plastic bottle internal pressure test fills air head, includes to fill air head body (1), its characterized in that: the novel gas-filled bottle is characterized in that the gas-filled head body (1) is fixedly connected with the gas-filled pipeline (2) inside, the sealant (3) is fixedly connected to the bottom of the inner wall of the gas-filled head body (1), the sample bottle cap (4) is fixedly connected to the bottom of the sealant (3), the needle (5) is fixedly connected between the sample bottle cap (4) and the gas-filled pipeline (2), the first connecting air pipe (6) is fixedly connected to the right side of the gas-filled pipeline (2), and the right side of the gas-filled pipeline (2) is located the second connecting air pipe (7) is fixedly connected to the upper portion of the first connecting air pipe (6).

2. The inflation head for the internal pressure test of the plastic bottle according to claim 1, wherein the upper end of the needle (5) is communicated with the inflation pipeline (2), and the lower end of the needle (5) extends to the inside of the sample bottle cap (4).

3. The inflation head for the internal pressure test of the plastic bottle according to claim 1, wherein the first connecting air pipe (6) and the second connecting air pipe (7) are fixedly connected with the inflation head body (1).

4. The inflation head for the internal pressure test of the plastic bottle according to claim 1, wherein a thread groove (8) is arranged at the top center position of the inflation head body (1), and a mounting column (11) is connected to the internal thread of the thread groove (8).

5. The inflation head for the internal pressure test of the plastic bottle according to claim 4, wherein the top of the mounting column (11) is fixedly connected with a cross rod (15), and one end of the cross rod (15) is fixedly connected with an adjusting sleeve (13).

6. The inflation head for the internal pressure test of the plastic bottle according to claim 5, wherein the inside of the adjusting sleeve (13) is connected with a vertical rod (10) in a sliding manner, and one side of the adjusting sleeve (13) is connected with a bolt (12) in a threaded manner.

7. The inflation head for the internal pressure test of the plastic bottle according to claim 6, wherein the bottom of the vertical rod (10) is fixedly connected with a bottom plate (9).

8. The inflation head for the internal pressure test of the plastic bottle according to claim 6, wherein a baffle (14) is fixedly connected to the top of the vertical rod (10).