CN219290168U

CN219290168U - Secondary sealing structure of plastic ampoule bottle and plastic ampoule bottle

Info

Publication number: CN219290168U
Application number: CN202320314662.0U
Authority: CN
Inventors: 黄芬; 李连臣; 陈晨; 赵文静; 范德选; 高颖; 申慧宁; 姚薛超
Original assignee: Artemis Suzhou Pharmaceutical Technology Co ltd
Current assignee: Artemis Suzhou Pharmaceutical Technology Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-04
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a secondary sealing structure of a plastic ampoule bottle and the plastic ampoule bottle, wherein the secondary sealing structure comprises the following components: a first mounting part for connecting to a bottle body of the plastic ampoule bottle; a second mounting part for connecting to a cap of the plastic ampoule bottle; when the plastic ampoule bottle is in an unsealing state, the first mounting part and the second mounting part are detachably connected, so that the bottle cap can be used for secondarily sealing the bottle body. The secondary sealing structure of the plastic ampoule bottle enables the bottle cap to tightly cover the bottle body, thereby avoiding liquid leakage, having good sealing effect and preventing liquid from being polluted.

Description

Secondary sealing structure of plastic ampoule bottle and plastic ampoule bottle

Technical Field

The utility model relates to the technical field of ampoule bottles, in particular to a secondary sealing structure of a plastic ampoule bottle and the plastic ampoule bottle.

Background

Ampoule bottles, which are important packaging containers for liquid medicines, have a large share in the pharmaceutical packaging market. The material is mainly glass, but the safety of medication is affected due to the characteristics of fragility and easy generation of scraps of glass materials. In recent years, plastic ampoules have been developed rapidly compared to glass ampoules due to the advantages of safety and ease of opening. Common materials used for manufacturing plastic ampoules include polyethylene, polypropylene and the like, and the materials have the advantages of good flexibility, shatter resistance and light weight, and are convenient for forming and carrying the ampoule bottles. The preparation technology of plastic ampoule bottles is generally as follows: the three-in-one technology of blowing, filling and sealing is one liquid filling process for sterilizing or final sterilizing medicine, and the process includes heating plastic granule in vacuum, forming tubular bottle blank with granule base in high temperature, inflating to form, and filling medicine liquid sealing.

Plastic ampoules are currently used mainly for injection preparations, oral inhalation preparations and eye drops. Commercially available eye drops based on plastic ampoule bottles include: sodium hyaluronate, polyvinyl alcohol, esculin, and the like. When the patient uses the eye drop preparation, a single ampoule is taken, the ampoule bottle cap and the bottle body are rotationally separated, the liquid medicine is extruded to drop into the eyelid, and then the ampoule bottle cap is buckled, so that the effect of temporarily isolating the liquid medicine from the outside air is achieved, and the pollution of the liquid medicine is prevented. Each ampoule can be used multiple times within 24 hours, and more than 24 hours require disposal.

The ampoule bottle cap is simply buckled to carry out secondary sealing on the bottle body, the airtight effect is poor, and the ampoule bottle cap is easy to misplace or even separate from the bottle body in the storage or moving process, so that the risk of liquid leakage exists.

Disclosure of Invention

Based on the above-mentioned defects in the prior art, the present utility model aims to provide a secondary sealing structure of a plastic ampoule bottle, so that a bottle cap can tightly cover a bottle body, and the bottle cap can avoid liquid leakage and has good sealing effect.

Therefore, the utility model provides the following technical scheme.

The utility model provides a secondary sealing structure of a plastic ampoule bottle, which comprises the following components:

a first mounting part for connecting to a bottle body of the plastic ampoule bottle;

a second mounting part for connecting to a cap of the plastic ampoule bottle;

when the plastic ampoule bottle is in an unsealing state, the first mounting part and the second mounting part are detachably connected, so that the bottle cap can be used for secondarily sealing the bottle body.

Preferably, the first mounting portion and the second mounting portion are not in contact when the plastic ampoule bottle is in an unopened state.

Preferably, one of the first mounting part and the second mounting part is a buckle, and the other is a clamping protrusion; the first installation part and the second installation part are buckled to realize the secondary sealing.

Preferably, the number of the clamping protrusions is a plurality, and the clamping protrusions are uniformly arranged at intervals along the circumferential direction of the plastic ampoule bottle; the number and the positions of the buckles are matched with those of the clamping protrusions;

when secondary sealing is carried out, the buckle passes through a gap between two adjacent clamping bulges and then is rotated to realize the buckling of the two.

Preferably, at least one of the first mounting portion and the second mounting portion is provided with a limiting portion to limit a rotation stop position of the buckle.

Preferably, the surface of the clamping protrusion, which is used for being buckled with the buckle, is at least partially convex.

Preferably, when the second mounting portion is a buckle, a surface of the second mounting portion facing the bottle body is an arc surface; when the first installation part and the second installation part are buckled, the arc surface abuts against the outer wall of the bottle body.

Preferably, the first mounting portion and the second mounting portion are both of a threaded structure, and the first mounting portion and the second mounting portion are screwed together to achieve the secondary seal.

The utility model also provides a plastic ampoule bottle, which comprises:

the secondary sealing structure of the plastic ampoule bottle;

the bottle body is used for containing liquid, and the first mounting part is connected to the bottle body;

the bottle cap is used for sealing the bottle body, and the second installation part is connected to the bottle cap;

when the plastic ampoule bottle is in an unopened state, the bottle body and the bottle cap are connected through a tearable connecting part, and the connecting part is torn to unseal the plastic ampoule bottle.

Preferably, the bottle cap comprises:

a cap for sealing the bottle;

a mounting member connected to the cover, the second mounting portion being connected to the mounting member;

when the plastic ampoule bottle is in an unsealing state, the first mounting part and the second mounting part are buckled so as to realize secondary sealing.

Preferably, the mounting member is provided with a plurality of extending portions which are uniformly arranged around the cover body, one of the extending portions being connected to one of the second mounting portions.

Preferably, the number of the extensions is two.

Preferably, when the plastic ampoule bottle is in an unsealed state, the first mounting part and the second mounting part are matched, so that the bottle cap is in threaded connection with the periphery of the bottle mouth of the bottle body, and secondary sealing is achieved.

The utility model has the following technical effects:

the utility model provides a secondary sealing structure of a plastic ampoule bottle, which comprises a first mounting part connected with the bottle body and a second mounting part connected with a bottle cap, wherein when the plastic ampoule bottle is in an unsealed state, the bottle cap can tightly cover the bottle body through the detachable connection of the first mounting part and the second mounting part, the bottle cap is not easy to fall off or misplace, liquid leakage is avoided, in addition, the bottle cap can repeatedly and secondarily seal the bottle body, the sealing airtight effect is good, and the contained liquid is prevented from being polluted.

Drawings

Fig. 1 is a front view showing a structure of a plastic ampoule bottle in an unopened state in a first embodiment of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic perspective view of a plastic ampoule bottle in an unopened state according to a first embodiment of the present utility model;

fig. 4 is a front view showing a structure of the plastic ampoule bottle in a secondary sealing state in the first embodiment of the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at B;

fig. 6 is a schematic view showing an assembled structure of a bottle cap and a second mounting part in the first embodiment of the present utility model;

fig. 7 is a schematic view showing a partially assembled structure of a bottle body and a first mounting portion in a first embodiment of the present utility model;

fig. 8 is a front view showing a structure of a plastic ampoule bottle in an unopened state in a second embodiment of the present utility model;

fig. 9 is a schematic view showing an assembled structure of a bottle cap and a second mounting part in a second embodiment of the present utility model;

fig. 10 is a schematic partial perspective view of a plastic ampoule bottle according to a second embodiment of the present utility model;

fig. 11 is a schematic perspective view of a plastic ampoule bottle in an unopened state according to a second embodiment of the present utility model;

fig. 12 is a front view showing a structure of a plastic ampoule bottle in a secondary sealing state in a second embodiment of the present utility model.

Description of the reference numerals

100. A plastic ampoule;

1. a secondary sealing structure; 11. a first mounting portion; 111. a bottom surface; 112. a first end; 113. a second end; 12. a second mounting portion; 13. a limit part;

2. a bottle body;

3. a bottle cap; 31. a cover body; 32. a mounting member; 321. an extension; 322. a main body; 3221. a groove;

4. a gripping portion.

Detailed Description

In order to make the technical scheme and the beneficial effects of the utility model more obvious and understandable, the following detailed description is given by way of example. Unless defined otherwise, technical and scientific terms used herein have the same meaning as technical and scientific terms in the technical field to which this application belongs.

In the description of the present utility model, unless explicitly defined otherwise, terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of simplifying the description of the present utility model, and do not indicate that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, i.e., are not to be construed as limiting the present utility model.

In the present utility model, the terms "first", "second" are used for descriptive purposes only and are not to be construed as relative importance of the features indicated or the number of technical features indicated. Thus, a feature defining "first", "second" may explicitly include at least one such feature. In the description of the present utility model, "plurality" means at least two; "plurality" means at least one; unless otherwise specifically defined.

In the present utility model, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, unless otherwise specifically limited. For example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the 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.

In the present utility model, unless explicitly defined otherwise, a first feature "on", "above", "over" and "above", "below" or "under" a second feature may be that the first feature and the second feature are in direct contact, or that the first feature and the second feature are in indirect contact via an intermediary. Moreover, a first feature "above," "over" and "on" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the level of the first feature is higher than the level of the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the level of the first feature is less than the level of the second feature.

The references to "upper" and "lower" in this utility model are both made to the designation in fig. 1.

The plastic ampoule bottle of the present utility model is described in detail below with reference to fig. 1 to 12.

First embodiment

A plastic ampoule illustrating a first embodiment of the present utility model is described with reference to fig. 1 to 7.

In this embodiment, as shown in fig. 1 and 4, the plastic ampoule bottle 100 includes a bottle body 2, a bottle cap 3 and a secondary sealing structure 1, when the plastic ampoule bottle 100 is in an unopened state, the bottle body 2 and the bottle cap 3 are connected by a tearable connecting portion (not shown in the drawings), the connecting portion is torn to unseal the plastic ampoule bottle 100, when the plastic ampoule bottle 100 is in an unsealed state, a user can use the liquid contained in the bottle body 2 by opening the bottle cap 3, the liquid in the bottle body 2 can be used for a plurality of times within 24 hours, and after each time the liquid is taken, the bottle cap 3 is covered. As shown in fig. 2 and 5, the secondary seal 1 includes a first mounting portion 11 and a second mounting portion 12, the first mounting portion 11 is connected to the bottle body 2 of the plastic ampoule, and the second mounting portion 12 is connected to the cap 3 of the plastic ampoule. When the unsealed plastic ampoule bottle 100 is covered with the bottle cap 3, the bottle cap 3 stably and tightly covers the bottle mouth of the bottle body 2 through the connection of the first installation part 11 and the second installation part 12, so that the bottle cap 3 can secondarily seal the bottle body 2; when the bottle cap 3 is required to be opened, the bottle cap 3 can be removed after the first mounting part 11 and the second mounting part 12 are detached.

Through adopting above-mentioned technical scheme, set up first installation department 11 and the second installation department 12 of detachable connection respectively on bottle 2 and bottle lid 3 through secondary seal structure 1, bottle lid 3 loading and unloading are convenient, when plastics ampoule 100 is in the unsealing state, bottle lid 3 can cover bottle 2 tightly through the connection of first installation department 11 and second installation department 12, be difficult for taking place to drop or dislocation, avoid the weeping, in addition, bottle lid 3 can repeatedly the secondary seal bottle 2 and sealed airtight effectual, prevent that the liquid that holds from being polluted.

It should be appreciated that the tearable connection between the body 2 and the cap 3 may be any existing connection structure of a body and a cap of a plastic bottle, such as a tearable skirt structure, which is thin and can be torn under a certain external force to unseal the plastic ampoule 100.

It should be understood that when the plastic ampoule 100 is in the unsealed state, the bottle cap 3 may be provided on the outer periphery of the bottle mouth of the bottle body 2, or may be inserted into the bottle mouth.

In an embodiment, as shown in fig. 1 to 3, when the plastic ampoule 100 is in an unopened state, the first mounting portion 11 and the second mounting portion 12 are not in contact, so that when a user makes a force to tear the connection portion between the bottle body 2 and the bottle cap 3, deformation of the first mounting portion 11 and the second mounting portion 12 due to collision can be avoided, thereby affecting the subsequent secondary sealing effect. Of course, the first mounting portion 11 and the second mounting portion 12 may be in contact with each other, and the positional relationship therebetween may be limited so that the two do not interfere with each other during the process of unsealing the plastic ampoule 100.

In an embodiment, as shown in fig. 1 to 7, one of the first mounting portion 11 and the second mounting portion 12 is a buckle, and the other is a clamping protrusion; the first installation part 11 and the second installation part 12 are mutually buckled to make bottle lid 3 can tightly cover the bottleneck of bottle body 2, and then realize secondary seal, it is convenient to load and unload.

Further, the number of the clamping protrusions is multiple, and the clamping protrusions are uniformly arranged at intervals along the circumferential direction of the plastic ampoule bottle 100; the number and the positions of the buckles are matched with those of the clamping bulges; when secondary seal, the buckle passes through the gap between two adjacent clamping bulges and then rotates to realize the buckling connection of the two. In this way, the first mounting portion 11 and the second mounting portion 12 are easy and labor-saving to assemble and disassemble, and in addition, the first mounting portion 11 and the second mounting portion 12 are prevented from being seriously extruded with each other in the assembling and disassembling process, so that the first mounting portion 11 and/or the second mounting portion 12 are deformed, and the subsequent secondary sealing effect is prevented from being influenced. Preferably, as shown in fig. 2 and fig. 5 to fig. 7, the first mounting portion 11 is a clamping protrusion, the second mounting portion 12 is a buckle, and when secondary sealing is performed, the bottle cap 3 is pressed downwards until the first mounting portion 11 passes through a gap between two adjacent second mounting portions 12, and then the bottle cap 3 is rotated, so that the bottom surface of the first mounting portion 11 abuts against the top surface of the second mounting portion 12, the buckling of the first mounting portion and the second mounting portion is realized, the operation is simple and convenient, the bottle body 2 does not need to be moved too much, and liquid in the bottle body 2 is prevented from being scattered due to improper operation.

Further, as shown in fig. 5 and 7, at least one of the first mounting portion 11 and the second mounting portion 12 is provided with a stopper portion 13 to restrict the rotation stop position of the buckle. Specifically, when the limiting portion 13 is disposed on the clamping protrusions, the buckle passes through a gap between two adjacent clamping protrusions and then rotates in the rotating process, and the rotation is stopped when the side wall of the buckle rotates to be abutted against the limiting portion 13. When the limiting part 13 is arranged on the clamping buckle, the clamping buckle passes through a gap between two adjacent clamping bulges and then rotates in the rotating process, and the clamping buckle rotates to the side wall butt joint of the limiting part 13 and the clamping bulges, so that the rotation is stopped.

Further, the surface of the clamping protrusion, which is used for being buckled with the buckle, is at least partially protruded outwards. As shown in fig. 7, taking the first mounting portion 11 as a fastening protrusion for example, during fastening, the bottom surface 111 of the first mounting portion 11 abuts against the second mounting portion 12, the bottom surface 111 is not a leveling surface, and when the first mounting portion 11 and the second mounting portion 12 are in a fastening state, the surface structure of the bottom surface 111 can increase the difficulty of separating between the first mounting portion 11 and the second mounting portion 12, so that the fastening of the first mounting portion 11 and the second mounting portion 12 is prevented from loosening during storage or movement, and the sealing effect is affected.

In a specific embodiment, as shown in fig. 5 to 7, the first mounting portion 11 is a clamping protrusion, the second mounting portion 12 is a buckle, the first end 112 of the first mounting portion 11 is connected to the limiting portion 13, and the second end 113 protrudes downward. When the first mounting portion 11 and the second mounting portion 12 are assembled, the second mounting portion 12 rotates from the lower direction of the second end 113 to the direction of the first end 112 until one side of the second mounting portion 12 abuts against the limiting portion 13, at this time, the other side of the second mounting portion 12 is clamped by the downward protruding portion of the first mounting portion 11, so as to increase the difficulty of detachment between the first mounting portion 11 and the second mounting portion 12.

Further, the second end 113 of the first mounting part 11 is spirally extended downward to form a convex structure, the first mounting part 11 is fastened to the second mounting part 12 through a spirally downward portion, so that abnormal detachment between the first mounting part 11 and the second mounting part 12 is prevented during secondary sealing, and the first mounting part 11 and the second mounting part 12 can be smoothly detached when a user rotates the bottle cap 3 with a certain force.

In an embodiment, as shown in fig. 6, when the second mounting portion 12 is a buckle, a surface of the second mounting portion 12 facing the bottle body 2 is an arc surface; when the first mounting part 11 and the second mounting part 12 are fastened, the arc surface abuts against the outer wall of the bottle body 2, so that the stability of the fastening between the first mounting part 11 and the second mounting part 12 is improved.

In one embodiment, as shown in fig. 6, the bottle cap 3 includes a cap body 31 and a mounting member 32, wherein the cap body 31 is used for sealing the bottle body 2; the mounting member 32 is connected to the cover 31, and the second mounting portion 12 is connected to the mounting member 32. When the plastic ampoule 100 is in an unsealed state, the first mounting portion 11 and the second mounting portion 12 are fastened to achieve secondary sealing. The second mounting portion 12 is connected by the mounting member 32 for ease of processing.

Further, as shown in fig. 6, the mounting member 32 is provided with a plurality of extending portions 321, and the plurality of extending portions 321 are uniformly disposed around the cover 31, and one extending portion 321 is connected to one second mounting portion 12, so that the second mounting portion 12 is located below the cover 31, and is convenient to be fastened with the first mounting portion 11 located on the bottle 2.

Further, as shown in fig. 4 and 6, the number of the extending portions 321 is two, and the two first mounting portions 11 and the two second mounting portions 12 can be stably fastened, and at the same time, the overall size of the bottle cap 3 can be reduced, which is beneficial to the miniaturization design of the plastic ampoule bottle 100.

Further, as shown in fig. 1 and 6, the mounting member 32 includes a main body 322, an extension 321 is connected to the main body 322, the main body 322 is located above the cover 31, grooves 3221 are provided on two sides of the main body 322, and the grooves 3221 are used for inserting fingers of a user so as to facilitate stable gripping of the mounting member 32 and then force, and loading and unloading between the cover 31 and the bottle 2 are performed.

In an embodiment, as shown in fig. 1, the plastic ampoule bottle 100 further includes a gripping portion 4, which is connected to the bottle body 2, and since the bottle body 2 is a plastic piece and the plastic ampoule bottle 100 is very small as a whole, the wall of the bottle body 2 is softer, so that a user can avoid squeezing out liquid due to improper force when directly gripping the bottle body 2 by gripping the gripping portion 4 to control the bottle body 2.

In one embodiment, as shown in fig. 6 and 7, the first mounting portion 11 is integrally formed with the bottle body 2, and the second mounting portion 12 is integrally formed with the bottle cap 3, so that the processing is facilitated.

Second embodiment

A plastic ampoule bottle illustrating a second embodiment of the present utility model will be described with reference to fig. 8 to 12.

The plastic ampoule bottle of the present embodiment has substantially the same structure as the plastic ampoule bottle of the first embodiment, and the differences will be mainly described below.

In the present embodiment, as shown in fig. 8 to 12, the first mounting portion 11 and the second mounting portion 12 are each of a screw structure, and when the plastic ampoule 100 is in an unopened state, the bottle body 2 and the bottle cap 3 are connected by a tearable connecting portion, and the first mounting portion 11 and the second mounting portion 12 are not in contact, and the connecting portion is torn to unseal the plastic ampoule 100. When the plastic ampoule 100 is in an unsealed state, the first mounting portion 11 and the second mounting portion 12 are matched, so that the bottle cap 3 is screwed on the periphery of the bottle mouth of the bottle body 2, and secondary sealing is achieved. The bottle cap 3 after being opened can also tightly cover the bottle body 2 through the secondary sealing structure 1, falling off or dislocation is difficult to occur, liquid leakage is avoided, in addition, the bottle cap 3 can repeatedly and secondarily seal the bottle body 2 and the airtight effect of sealing is good, and the contained liquid is prevented from being polluted.

In this embodiment, as shown in fig. 8 and 9, a plastic ampoule 100 may be provided with a mount 32 for hand gripping. Of course, the mount 32 may not be provided.

It should be understood that, in the present embodiment, the first mounting portion 11 and the second mounting portion 12 are assembled by screwing, so that the connection is stable and is not easy to loosen, and the secondary seal structure 1 does not need to provide the limiting portion 13.

It should be understood that the above examples are illustrative and are not intended to encompass all possible implementations encompassed by the claims. Various modifications and changes may be made in the above embodiments without departing from the scope of the disclosure. Likewise, the individual features of the above embodiments can also be combined arbitrarily to form further embodiments of the utility model which may not be explicitly described. Therefore, the above examples merely represent several embodiments of the present utility model and do not limit the scope of protection of the patent of the present utility model.

Claims

1. A secondary sealing structure of a plastic ampoule bottle, characterized in that the secondary sealing structure (1) comprises:

a first mounting portion (11) for connecting to a body (2) of the plastic ampoule;

a second mounting portion (12) for connection to a cap (3) of the plastic ampoule;

when the plastic ampoule bottle (100) is in an unsealing state, the first mounting part (11) and the second mounting part (12) are detachably connected, so that the bottle cap (3) can secondarily seal the bottle body (2).

2. The secondary seal structure of plastic ampoule bottle according to claim 1, characterized in that the first mounting portion (11) and the second mounting portion (12) are not in contact when the plastic ampoule bottle (100) is in an unopened state.

3. The secondary seal of plastic ampoules according to claim 1 or 2, wherein one of the first mounting part (11) and the second mounting part (12) is a snap, the other is a snap protrusion; the first installation part (11) and the second installation part (12) are buckled so as to realize the secondary sealing.

4. A secondary seal for plastic ampoules according to claim 3, wherein the number of the snap-in projections is plural, and the plurality of the snap-in projections are arranged at regular intervals along the circumferential direction of the plastic ampoule (100); the number and the positions of the buckles are matched with those of the clamping protrusions;

5. The secondary seal of plastic ampoules according to claim 4, wherein at least one of the first mounting section (11) and the second mounting section (12) is provided with a limiting section (13) to limit the rotational stop position of the clasp.

6. The secondary seal as claimed in claim 4 wherein a face of said snap-fit protrusion for snap-fitting with said snap-fit is at least partially convex.

7. A secondary seal for plastic ampoules according to claim 3, characterised in that when the second mounting part (12) is a snap, the face of the second mounting part (12) facing the bottle body (2) is an arc face; when the first mounting part (11) and the second mounting part (12) are buckled, the arc surface abuts against the outer wall of the bottle body (2).

8. The secondary sealing structure of a plastic ampoule bottle according to claim 1, characterized in that the first mounting portion (11) and the second mounting portion (12) are both screw structures, and the first mounting portion (11) and the second mounting portion (12) are screw-connected to achieve the secondary sealing.

9. A plastic ampoule, characterized in that the plastic ampoule (100) comprises:

secondary sealing structure (1) of a plastic ampoule according to any one of claims 1-8;

a bottle body (2) for containing a liquid, the first mounting portion (11) being connected to the bottle body (2);

a bottle cap (3) for sealing the bottle body (2), the second mounting portion (12) being connected to the bottle cap (3);

when the plastic ampoule bottle (100) is in an unopened state, the bottle body (2) and the bottle cap (3) are connected through a tearable connecting part, and the connecting part is torn to unseal the plastic ampoule bottle (100).

10. A plastic ampoule according to claim 9, characterized in that the cap (3) comprises:

a cap (31) for sealing the bottle (2);

a mounting member (32) connected to the cover (31), the second mounting portion (12) being connected to the mounting member (32);

when the plastic ampoule bottle (100) is in an unsealing state, the first mounting part (11) and the second mounting part (12) are buckled to realize the secondary sealing.

11. A plastic ampoule according to claim 10, characterized in that the mounting element (32) is provided with a plurality of extensions (321), the plurality of extensions (321) being arranged evenly around the cap (31), one extension (321) being connected to one second mounting portion (12).

12. A plastic ampoule according to claim 11, characterized in that the number of the extensions (321) is two.

13. A plastic ampoule according to claim 10, characterized in that when the plastic ampoule (100) is in an unsealed state, the cap (3) is screwed to the outer periphery of the mouth of the bottle body (2) by the cooperation of the first mounting part (11) and the second mounting part (12) to realize secondary sealing.