CN220350325U - Piston and vacuum bottle capable of preventing reuse - Google Patents
Piston and vacuum bottle capable of preventing reuse Download PDFInfo
- Publication number
- CN220350325U CN220350325U CN202223586078.5U CN202223586078U CN220350325U CN 220350325 U CN220350325 U CN 220350325U CN 202223586078 U CN202223586078 U CN 202223586078U CN 220350325 U CN220350325 U CN 220350325U
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- CN
- China
- Prior art keywords
- piston
- plug
- outer ring
- bottle
- vacuum
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- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 2
- 230000005802 health problem Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009512 pharmaceutical packaging Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a piston and a vacuum bottle capable of preventing repeated use, which comprises a piston composed of an outer ring and a plug, wherein the plug is inserted into a through hole from the bottom of the outer ring to form detachable fit with the outer ring, and the plug can loosen with the outer ring when being subjected to downward force, so that the sealing performance of the piston can be damaged. The vacuum bottle comprises the piston capable of preventing reuse, and further comprises a bottle body, a cap and a bottom plate. The piston consists of the detachable outer ring and the plug, after the articles in the vacuum bottle are used, the piston rises to the bottle mouth position, the plug can block the bottle mouth, if someone wants to press the piston into the bottom of the vacuum bottle to repeatedly use the vacuum bottle, the plug can only be pressed, and the plug is stressed and separated from the outer ring, so that the tightness of the piston can be damaged, the function of the vacuum bottle is disabled, and the aim of preventing the repeated use is fulfilled.
Description
Technical Field
The utility model relates to the technical field of packaging materials, in particular to the technical field of pistons and vacuum bottles with anti-reuse function.
Background
Vacuum bottles find application in more and more industries, such as the pharmaceutical packaging, cosmetic packaging industries, etc. According to the use principle of the vacuum bottle, when the package in the vacuum bottle is used up, the piston in the vacuum bottle can be sucked to the top end of the bottle mouth along with air, and at the moment, a user only needs to push the piston to the bottle bottom by using the slender hard object, so that the vacuum bottle can be reused. For some application scenes, such as that disinfectant, chemicals, cosmetics and the like are filled in a vacuum bottle, the bottle body is polluted due to the fact that the vacuum bottle is reused for two or more times, and therefore health and health problems are brought to a user; however, some users are not aware of the health problems associated with repeated use.
In order to solve the above problems, there is a piston and a vacuum bottle for preventing reuse in the market, as shown in fig. 8, an outer ring and a plug of the piston are detachably arranged, when a package in the vacuum bottle is used up, a user wants to reuse the vacuum bottle by pressing the piston into the bottom of the vacuum bottle, because the vacuum bottle mouth is smaller, the plug can only be pressed when the piston is pressed, and the plug is forced to be separated from the outer ring, so that the tightness of the piston is damaged, and the function of the vacuum bottle is disabled, thereby achieving the purpose of preventing reuse.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, a user can push an outer ring through an elongated hard object in an inclined way to push a piston to the bottom again, so that a vacuum bottle can be reused.
To achieve the above object, the present utility model proposes a piston and a vacuum bottle for preventing reuse:
the piston capable of preventing repeated use comprises a piston composed of an outer ring and a plug, wherein the outer ring is of an annular structure, and a through hole is formed in the middle of the outer ring.
Preferably, the outer ring is integrally cylindrical, the diameters of the top surface and the bottom surface are the same, and the outer side surface of the outer ring is of a waisted structure.
Preferably, the cross section of the through hole is any one of a circle and a polygon.
Preferably, the inner wall at one end of the outer ring is provided with an inner convex ring, the inner convex ring is of an annular structure, and the inner convex ring is positioned at any position above the bottom surface of the inner wall of the outer ring, but is not always on the same plane with the bottom surface of the outer ring.
The plug is detachably matched with the outer ring through the through hole, and preferably, the cross section of the plug is always identical to the cross section of the through hole, and the cross section of the plug is any one of a circle and a polygon.
Preferably, the plug has certain elasticity, and the plug includes column cap, first sealing body and second sealing body, plug one end seals, and the other end is provided with the socket, column cap, first sealing body and second sealing body are echelonment and the size increases gradually.
Preferably, a clamping surface is formed between the first sealing body and the second sealing body; an inner convex ring is arranged on the inner wall of one end of the outer ring, and the bottom surface of the inner convex ring is abutted against the clamping surface and tightly attached together.
Preferably, the column head is penetrated from the through hole, the height of the column head is approximately equal to that of the piston, the inner convex ring is tightly attached to the first sealing body, the through hole is tightly attached to the second sealing body, and the second sealing body is always positioned below the inner convex ring.
The vacuum bottle comprises the piston capable of preventing reuse, a bottle body, a cap and a bottom plate.
Preferably, one end of the bottle body is opened, the other end of the bottle body is provided with a bottom plate, the bottom plate is clamped on the bottle body and provided with a plurality of air holes, the bottom plate is also provided with a plug matched with the socket, and the bottom plate is always positioned below the piston.
Preferably, the safety ring is connected below the cap, and is sleeved at the bottle mouth of the bottle body, and when the cap is unscrewed, the safety ring is separated from the cap, but is always sleeved at the opening of the bottle body.
Preferably, the cap is provided with a plurality of vertical anti-skid threads.
Preferably, the outer wall of the bottle mouth is provided with external threads, the inner wall of the cap is provided with internal threads, and the bottle body and the cap are connected together through threads
Preferably, the diameter or width of the post head is smaller than the diameter or width of the bottle mouth and the plug is positioned on the same axis with the bottle mouth.
The utility model has the beneficial effects that: the piston consists of the detachable outer ring and the plug, after the articles in the vacuum bottle are used, the piston rises to the bottle mouth position, the plug can block the bottle mouth, if someone wants to press the piston into the bottom of the vacuum bottle to repeatedly use the vacuum bottle, the plug can only be pressed, and the plug is stressed and separated from the outer ring, so that the tightness of the piston can be damaged, the function of the vacuum bottle is disabled, and the aim of preventing the repeated use is fulfilled.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of a plug according to the present utility model;
FIG. 4 is a schematic diagram of a cross-sectional structure of the present utility model;
FIG. 5 is a diagram of the outer ring structure of the present utility model;
FIG. 6 is a schematic diagram of the operation of the present utility model;
FIG. 7 is an enlarged view of FIG. 6A in accordance with the present utility model;
fig. 8 is a schematic diagram of the operation of a conventional reuse-preventing piston and vacuum flask.
In the figure: 1-bottle body, 2-cap, 3-piston, 4-outer ring, 41-inner convex ring, 5-plug, 51-column head, 52-first sealing body, 53-second sealing body, 54-clamping face, 55-socket, 6-through hole, 7-bottom plate, 71-plug, 8-air hole and 9-safety ring
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Example 1:
as shown in fig. 1 and fig. 3-5, a piston for preventing reuse includes a piston 3 composed of an outer ring 4 and a plug 5, the outer ring 4 is in an annular structure, a waisted design is provided on a side surface, diameters of a top surface and a bottom surface are the same, a through hole 6 is provided in the middle of the outer ring 4, a cross section of the through hole 6 is circular, the cross section of the plug 5 is always identical to that of the through hole 6, and the cross section of the plug 5 is circular, specifically, the plug 5 is inserted into the through hole 6 from the bottom of the outer ring 4 to form detachable fit with the outer ring 4, the plug 5 has elasticity, and the plug 5 can be loosened with the outer ring 4 when being subjected to downward force, so that the tightness of the piston 3 can be destroyed.
Further, the inner wall at one end of the outer ring 4 is provided with an inner convex ring 41, the plug 5 includes a column head 51, a first sealing body 52 and a second sealing body 53, the column head 51, the first sealing body 52 and the second sealing body 53 are stepped and gradually increase in size, a clamping surface 54 is formed between the first sealing body 52 and the second sealing body 53, one end of the plug 5 is sealed, the other end of the plug 5 is provided with a socket 55, the column head 51 penetrates through the through hole 6, the inner convex ring 41 is tightly attached to the first sealing body 52, the through hole 6 is tightly attached to the second sealing body 53, and the diameter of the second sealing body 53 is larger than the aperture of the inner convex ring 41, so that the bottom surface of the inner convex ring 41 is abutted to the clamping surface 54 and tightly attached to the second sealing body 53, and the outer ring 4 and the plug 5 are fixed together, thereby ensuring good sealing performance of the piston under normal use conditions.
The inner convex ring 41 is also of an annular structure, specifically, the inner convex ring 41 is fixed at any position above the bottom surface of the outer ring 4 and is not always on the same horizontal plane with the bottom surface of the outer ring 4, the plug 5 is limited by the inner convex ring 41, the outer ring 4 and the plug 5 are prevented from being separated in the normal use process, the plug 5 is sleeved in the outer ring to form a complete piston 3 with the outer ring 4, the plug 5 has certain elasticity, and the second sealing body 53 is always positioned below the inner convex ring 41.
In this embodiment, a reusable piston is adaptable to any vacuum bottle that is compatible with the piston.
Example 2:
as shown in fig. 1-2, the vacuum bottle comprises a bottle body 1, a cap 2 and a bottom plate 7, one end of the bottle body 1 is opened, an external thread is arranged on the outer wall of the bottle mouth of the bottle body 1, the other end of the bottle body is connected with the bottom plate 7 in a clamping mode, two air holes 8 are formed in the bottom plate 7, and a plug 71 matched with the socket 55 for use is further arranged on the bottom plate 7.
In this embodiment, the inner wall of the cap 2 is provided with an internal thread, the external thread and the internal thread are matched for use, the bottle body 1 and the cap 2 are connected together through threads, a safety ring 9 is also connected below the cap 2, the safety ring 9 is sleeved at the bottleneck of the bottle body 1, specifically, when the cap 2 is unscrewed, the safety ring 9 is separated from the cap 2, but is always sleeved at the bottleneck of the bottle body 1, further, whether the vacuum bottle is opened or not can be known through the connection relationship between the safety ring 9 and the cap 2, and the vacuum bottle is completely damaged when the safety ring 9 and the cap 2 are connected together; and vice versa, the vacuum bottle is opened.
Example 3:
as shown in fig. 1-5, the piston and vacuum bottle for preventing reuse not only comprises a bottle body 1, a cap 2 and a bottom plate 7, but also comprises a piston 3 installed inside the bottle body 1, wherein the bottom plate 7 is always positioned below the piston 3, when the piston 3 is installed in the bottle body 1, the piston 3 can be clamped on the bottom plate 7 through the cooperation of a socket 55 and a plug 71, then the piston 3 is placed in the bottle body 1, the bottom plate 7 is clamped at the bottom of the bottle body 1, the piston 3 and the bottom plate 7 are installed together, so that the piston 3 can be horizontally placed in the bottle body 1, the diameter of an outer ring 4 is consistent with the inner diameter of the bottle body 1, and the diameter or width of a column head 51 is equal to or smaller than the diameter or width of a bottle mouth.
When the liquid in the vacuum bottle needs to be used, the cap 2 is firstly separated from the bottle body 1 by rotating, then the pressing device is arranged, the pressing device is pressed through the principle of the vacuum bottle, due to the matching mode of the outer ring 4 and the plug 5, the outer ring 4 and the plug 5 rise together in the process of drawing liquid, in other words, the piston 3 rises, when the liquid is used, the outer ring 4 rises to a position close to the bottle mouth, the bottle mouth is blocked by the column head 51 of the plug 5, as shown in fig. 6 and 7, when the user wants to push the piston 3 into the bottle body again for reuse, the bottle mouth is blocked by the column head 51, the user cannot touch the outer ring 4, the user can only press the plunger 3 back to the bottom by pressing the stud 51 on the plunger 5. Since the outer ring 4 and the plunger 5 are sleeved together and the second sealing body 53 is always located below the inner convex ring 41, the outer ring 4 is always attached to the body, the plunger 5 will separate from the outer ring 4 when receiving downward force, the outer ring 4 will be clamped in place, the plunger 5 will drop to the bottom, the air tightness of the plunger 3 will be destroyed, the characteristics of the vacuum bottle will not exist, compared with the reuse prevention mode shown in fig. 8, the utility model blocks the whole bottle opening, and the user is prevented from pushing the plunger obliquely.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The piston for preventing reuse is characterized by comprising a piston (3) composed of an outer ring (4) and a plug (5), wherein the outer ring (4) is provided with a through hole (6), and the plug (5) is inserted into the through hole (6) to form detachable fit with the outer ring (4); the plug (5) comprises a column head (51), a first sealing body (52) and a second sealing body (53), one end of the plug (5) is sealed, and the other end of the plug is provided with a socket (55).
2. A piston for preventing reuse according to claim 1, characterized in that said first sealing body (52) and said second sealing body (53) form a clamping surface (54) therebetween; an inner convex ring (41) is arranged on the inner wall of one end of the outer ring (4), and the bottom surface of the inner convex ring (41) is abutted against the clamping surface (54) and tightly attached together.
3. A piston for preventing reuse according to claim 2, characterized in that said stud (51) extends through said through hole (6), said inner collar (41) being in close contact with said first sealing body (52), said through hole (6) being in close contact with said second sealing body (53).
4. A piston for preventing reuse according to claim 3, characterized in that the cross-section of said through hole (6) is either circular or polygonal, and the cross-section of the corresponding plug (5) is either circular or polygonal.
5. A vacuum bottle comprising the piston for preventing reuse according to any one of claims 1-4, which is characterized by comprising a bottle body (1), wherein one end of the bottle body (1) is opened, the other end of the bottle body is provided with a bottom plate (7), the bottom plate (7) is clamped on the bottle body (1), and a plurality of air holes (8) are formed in the bottom plate (7).
6. A vacuum flask as claimed in claim 5, characterized in that the base plate (7) is further provided with a plug (71) for cooperation with the socket (55).
7. A vacuum flask as claimed in claim 6, further comprising a cap (2), a safety ring (9) being connected under the cap (2).
8. A vacuum flask as claimed in claim 7, wherein the outer wall of the flask (1) at the flask mouth is provided with external threads, the inner wall of the cap (2) is provided with internal threads, and the flask (1) and the cap (2) are connected together by threads.
9. A vacuum flask as claimed in claim 8, wherein the diameter or width of the stud (51) is equal to or smaller than the diameter or width of the neck of the flask (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223586078.5U CN220350325U (en) | 2022-12-30 | 2022-12-30 | Piston and vacuum bottle capable of preventing reuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223586078.5U CN220350325U (en) | 2022-12-30 | 2022-12-30 | Piston and vacuum bottle capable of preventing reuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220350325U true CN220350325U (en) | 2024-01-16 |
Family
ID=89479318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223586078.5U Active CN220350325U (en) | 2022-12-30 | 2022-12-30 | Piston and vacuum bottle capable of preventing reuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220350325U (en) |
-
2022
- 2022-12-30 CN CN202223586078.5U patent/CN220350325U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |