CN213293322U

CN213293322U - Reagent bottle lid and reagent bottle

Info

Publication number: CN213293322U
Application number: CN202021527440.XU
Authority: CN
Inventors: 许元红
Original assignee: Zibo Rongdian Glass Co ltd
Current assignee: Zibo Rongdian Glass Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-28
Anticipated expiration: 2030-07-28

Abstract

The utility model belongs to the technical field of the container packing, particularly, the utility model relates to a reagent bottle lid and reagent bottle, the reagent bottle lid includes: the lower cover comprises an annular sleeve and a cover plate, and the cover plate is arranged at the end part of the annular sleeve; a first internal thread is arranged on the inner wall of the annular sleeve, and a first external thread is arranged on the outer wall of the annular sleeve; the inner wall of the upper cover is provided with a second internal thread matched with the first external thread; the first gasket is arranged in the upper cover and is suitable for sealing the lower cover and the upper cover; the second gasket is arranged in the lower cover and is suitable for sealing the lower cover and the bottle body. The reagent bottle cap and the bottle body can form a double-sealing structure by the arrangement, the requirement that chemical reagent liquid is not used for multiple times once is met, and the special requirement of reuse of products is guaranteed.

Description

Reagent bottle lid and reagent bottle

Technical Field

The utility model belongs to the technical field of the container packing, particularly, the utility model relates to a reagent bottle lid and reagent bottle.

Background

Chemical reagents, especially liquid reagents, are mostly packaged in reagent bottles, and are sealed by screwing with plastic bottle caps, as shown in chinese patent CN 204713687. As many chemical reagents have strong corrosivity and volatility, the sealing property of the reagent bottle is required to be high in the long-term storage process. However, since not all chemical reagents can be used immediately after opening the bottle, there is a need for multiple sealing of the reagent bottle containing the chemical reagents to prevent the chemical reagents from volatilizing, and the commonly used bottle mouth inner plug or adhesive tape often fails to satisfy the sealing requirement when resealing after opening the bottle. In addition, the anti-theft ring of part reagent bottle lid still links to each other with the bottle lid after the reagent bottle is opened, leads to can't play the theftproof effect.

Therefore, the utility model discloses not enough more than, the urgent need provides a low heat conduction sunshade window wrap structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reagent bottle lid and reagent bottle to sealed problem when solving among the prior art chemical reagent bottle used repeatedly.

On the one hand, the utility model provides a reagent bottle lid, include: the lower cover comprises an annular sleeve and a cover plate, and the cover plate is arranged at the end part of the annular sleeve; a first internal thread is arranged on the inner wall of the annular sleeve, and a first external thread is arranged on the outer wall of the annular sleeve; the inner wall of the upper cover is provided with a second internal thread matched with the first external thread; the first gasket is arranged in the upper cover and is suitable for sealing the lower cover and the upper cover; the second gasket is arranged in the lower cover and is suitable for sealing the lower cover and the bottle body.

The reagent bottle cap as described above, further preferably, the cover plate includes a first separation ring, a second separation ring, and a piercing part connected between the first separation ring and the second separation ring, the first separation ring is provided with a first convex ring, and the second separation ring is provided with a second convex ring; the first convex ring is positioned on the inner side of the second convex ring, and the height of the first convex ring is greater than that of the second convex ring.

The reagent bottle cap as described above, further preferably, an end of the annular sleeve in the lower cap further extends downward to form an extension section, and the extension section is coaxial with the annular sleeve and has a diameter larger than that of the annular sleeve; the inner wall of the extension section is provided with a third internal thread, and the thread depth of the third internal thread is larger than that of the first internal thread.

The reagent bottle cap as described above, further preferably, an annular stop ring is further provided on the annular sleeve, and the stop ring is provided between the first external thread and the extension section; the lower cover further comprises an anti-theft ring, the anti-theft ring is sleeved on the annular sleeve and is positioned between the stop ring and the extension section, and the upper edge of the anti-theft ring is connected with the lower edge of the upper cover through a connecting rib.

The reagent bottle cap as described above, further preferably, the upper edge of the anti-theft ring is provided with a connecting sheet and a limiting sheet, and the upper edges of the limiting sheets are bent inward and stopped by the lower edges of the stopping ring; the upper edge of the connecting sheet is connected with the connecting rib.

In the reagent bottle cap as described above, it is further preferable that the cap piece further includes a cross rib connected to the first and second partition rings and adapted to partition the puncture portion into four sectors.

The reagent bottle cap as described above, further preferably, a third bead is further provided on the inner surface of the lid plate, and the third bead is adapted to seal with the second gasket.

In the reagent bottle cap as described above, preferably, the second gasket is a single-layer gasket or a double-layer gasket, and one side of the second gasket is covered with PTFE.

On the other hand, the utility model discloses reagent bottle still discloses, including above-mentioned arbitrary reagent bottle lid.

The reagent bottle as described above, further preferably, further includes a bottle body, a bottle mouth is provided on the upper portion of the bottle body, a second external thread and a third external thread are provided on the outer side of the bottle mouth in sequence from top to bottom, the second external thread is adapted to the first internal thread, and the third external thread is connected to the third internal thread.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses well reagent bottle lid includes lower cover, upper cover, first gasket and second gasket, and through the setting of above-mentioned structure, makes reagent bottle lid can form double seal structure with the body, and then still can realize sealedly through the upper cover after the lower cover is destroyed with the body seal, and then satisfies chemical reagent liquid once uses imperfectly, needs the requirement of repetitious usage, has guaranteed the special requirement of reuse of product;

2. the utility model optimizes the structure of the cover plate in the lower cover by arranging the first convex ring and the second convex ring, utilizes the contact of the first gasket and the first convex ring to form a main sealing position, utilizes the contact of the second convex ring and the first gasket to form a secondary sealing position, and can maximally increase the sealing performance by the combined sealing of the double-layer convex ring, thereby avoiding secondary leakage caused by a pin hole behind a pin;

3. the utility model makes the puncture part in fan shape by the arrangement of the cover sheet structure in the lower cover, which increases the area of the jack;

4. the utility model discloses a setting of first gasket and second gasket has increased corrosion resistance and driving fit.

5. Through the improvement of the anti-theft ring, the anti-theft ring plays a more obvious role in protection.

Drawings

FIG. 1 is a cross-sectional view of the reagent bottle mouth of the present invention;

FIG. 2 is a schematic view of the connection between the upper cover and the anti-theft ring in FIG. 1;

FIG. 3 is a front view of the lower cover of FIG. 1;

fig. 4 is a schematic axial view of the structure of fig. 3.

Description of reference numerals:

10-lower cover, 11-cover plate, 12-annular sleeve, 13-extension section, 14-first spacing ring, 15-second spacing ring, 16-cross reinforcing rib, 17-first convex ring, 18-second convex ring and 19-first external thread;

20-upper cover, 21-second internal thread, 22-vertical stripe;

30-a first shim, 40-a second shim;

50-an anti-theft ring, 51-a limiting sheet, 52-a connecting sheet, 53-a connecting rib and 54-a stop ring.

60-bottle body, 61-bottle mouth.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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.

Example 1:

as shown in fig. 1-4, the present embodiment discloses a reagent bottle cap, which specifically includes: the lower cover 10 comprises an annular sleeve 12 and a cover plate 11, wherein the cover plate 11 is arranged at the end part of the annular sleeve 12; a first internal thread is arranged on the inner wall of the annular sleeve 12, and a first external thread 19 is arranged on the outer wall; the inner wall of the upper cover 20 is provided with a second internal thread 21 matched with the first external thread 19; a first gasket 30 and a second gasket 40, wherein the first gasket 30 is arranged in the upper cover 20 and is suitable for sealing the lower cover 10 and the upper cover 20; the second gasket 40 is disposed in the lower cap 10 and adapted to seal the lower cap 10 and the bottle body 60.

In the structure, through the setting of upper cover 20, lower cover 10, first gasket 30 and second gasket 40, make the reagent bottle lid form dual seal structure with body 60, and then sealed destruction at lower cover 10 and body 60 is that lower cover 10 still can realize sealedly through upper cover 20 after through the contact pin extraction promptly, and then satisfy the once-used incomplete of chemical reagent liquid, need repetitious usage's requirement, has guaranteed the special requirement of the reuse of product.

Further, the cover plate 11 comprises a first separation ring 14 and a second separation ring 15 which are concentrically arranged, and a puncture part connected between the first separation ring 14 and the second separation ring 15, wherein a first convex ring 17 is arranged on the first separation ring 14, and a second convex ring 18 is arranged on the second separation ring 15; the first bead 17 is located inside the second bead 18, and the height of the first bead 17 is greater than the second bead 18.

In the above structure, the first and

second beads

17, 18 are adapted to increase the sealing performance between the lower cover 10 and the first gasket 30, specifically, the height of the first bead 17 is slightly higher than that of the second bead 18, so that when screwing down, the first gasket 30 will be in full contact with the inner first bead 17 to form a primary sealing position, and then the second bead 18 is in contact with the first gasket 30 to form a secondary sealing position. The double-layer convex ring combined seal can increase the sealing performance to the maximum extent, so that secondary leakage caused by pin holes behind pins is avoided as much as possible.

Further, the end of the annular sleeve 12 in the lower cover 10 also extends downwards to form an extension section 13, and the extension section 13 is coaxial with the annular sleeve 12 and has a larger diameter than the annular sleeve 12; the inner wall of the extension section 13 is provided with a third internal thread, and the thread depth of the third internal thread is greater than that of the first internal thread.

The extension 13 is provided to further improve the connection stability of the lower cap 10 and the reagent bottle body 60.

Furthermore, an annular stop ring 54 is further arranged on the annular sleeve 12, and the stop ring 54 is arranged between the first external thread 19 and the extension section 13; the lower cover 10 further comprises an anti-theft ring 50, wherein the anti-theft ring 50 is sleeved on the annular sleeve 12 and is located between the stop ring 54 and the extension section 13, and the upper edge of the anti-theft ring is connected with the lower edge of the upper cover 20 through a connecting rib 53. Furthermore, a connecting sheet 52 and a limiting sheet 51 are arranged on the upper edge of the anti-theft ring 50, and the upper edges of the limiting sheets 51 are bent inwards and stopped by the lower edges of the stop rings 54; the upper edge of the connecting piece 52 is connected with the connecting rib 53.

The anti-theft ring 50 is designed to be anti-theft, namely, whether the bottle is opened or not is judged according to the connection state of the anti-theft ring 50 and the upper cover 20. The structure in the embodiment is suitable for limiting the position of the anti-theft ring 50, so that the anti-theft ring can only move on the annular sleeve 12, and the condition that the anti-theft ring 50 is not separated from the bottle cap when the cap is opened in the prior art is avoided, so that the precise anti-theft effect is achieved.

Furthermore, a cross reinforcing rib 16 is further arranged on the cover plate 11, and the cross reinforcing rib 16 is connected with the first separating ring 14 and the second separating ring 15 and is suitable for separating the puncture part into four sectors. The provision of the cross ribs 16 is adapted to increase the strength of the lid plate 11 while supporting the piercing part.

Further, a third bead is disposed on the inner surface of the cover plate 11, and the third bead is adapted to seal with the second gasket 40. Specifically, the third convex ring is arranged on the other side of the second separating ring 15 opposite to the second convex ring 18, and is suitable for being clamped with the second gasket 40 when being screwed, so that the sealing with the bottle mouth 61 is realized.

Further, the second gasket 40 is a single-layer gasket or a double-layer gasket, and one side of the second gasket 40 is covered with a PTFE tetrafluoride film. Wherein, when the gasket is a single-layer gasket, thickening treatment is needed, and the gasket is mainly used for packaging liquid with general corrosivity. The double-layer gasket is mainly used for liquid packaging with high corrosive requirements. The side coated with PTFE (polytetrafluoroethylene, abbreviated as PTFE) is contacted with a liquid.

Further, in this embodiment, the outer periphery of the upper cover 20 and the side surface of the extension section 13 are both provided with vertical stripes 22, so as to facilitate holding.

Example 2:

as shown in fig. 1, the present embodiment discloses a reagent bottle, which includes a bottle body 60 in addition to the above reagent bottle cap, a bottle mouth 61 is disposed on the upper portion of the bottle body 60, a second external thread and a third external thread are sequentially disposed on the outer side of the bottle mouth 61 from top to bottom, the second external thread is adapted to the first internal thread, and the third external thread is connected to the third internal thread.

The embodiment also discloses a use method of the reagent bottle, which comprises the following steps:

firstly, injecting liquid medicine into a bottle body 60 of a reagent bottle, determining the corrosivity of the liquid medicine, selecting a corresponding second gasket 40 according to the corrosivity of the liquid medicine, placing the second gasket 40 in a lower cover 10, enabling one surface coated with a PTFE (polytetrafluoroethylene) film to face the liquid medicine when placing, and then correspondingly screwing the lower cover 10 and a bottle opening 61 of the bottle body 60; after the first gasket 30 is placed in the upper cap 20 and the PTFE tetrafluoride film is oriented to the liquid medicine, the upper cap 20 and the lower cap 10 are screwed together, and the upper cap 20 and the anti-theft ring 50 sleeved on the lower cap 10 are connected together. When in use, the connecting rib 53 between the anti-theft ring 50 and the upper cover 20 is firstly broken, then the upper cover 20 is screwed off, the puncture part on the cover sheet 11 in the lower cover 10 is punctured by the needle to take liquid, and then the upper cover 20 is screwed down to be sealed again.

Compared with the prior art, the utility model discloses a reagent bottle lid and reagent bottle have following beneficial effect:

1. the utility model discloses well reagent bottle lid includes lower cover 10, upper cover 20, first gasket 30 and second gasket 40, and through the setting of above-mentioned structure, makes reagent bottle lid can form double seal structure with body 60, and then still can realize sealedly through upper cover 20 after the sealed destruction of lower cover 10 and body 60, namely lower cover 10 extracts through the contact pin, and then satisfies the incomplete use of chemical reagent liquid once, needs the requirement of repetitious usage, has guaranteed the special requirement of reuse of product;

2. the utility model optimizes the structure of the cover plate 11 in the lower cover 10 by arranging the first convex ring 17 and the second convex ring 18, utilizes the contact of the first gasket 30 and the first convex ring 17 to form a main sealing position, and utilizes the contact of the second convex ring 18 and the first gasket 30 to form a secondary sealing position, and the double-layer convex ring combined sealing can increase the sealing performance to the maximum extent, thereby avoiding the secondary leakage caused by a pin hole after the pin is inserted as much as possible;

3. the utility model makes the puncture part in fan shape by the arrangement of the cover plate 11 in the lower cover 10, which increases the area of the jack;

4. the utility model discloses a setting of first gasket 30 and second gasket 40 has increased corrosion resistance and driving fit.

5. The anti-theft ring 50 is improved, so that the anti-theft ring plays a more obvious protection role.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A reagent bottle cap, comprising:

the lower cover comprises an annular sleeve and a cover plate, and the cover plate is arranged at the end part of the annular sleeve; a first internal thread is arranged on the inner wall of the annular sleeve, and a first external thread is arranged on the outer wall of the annular sleeve;

the inner wall of the upper cover is provided with a second internal thread matched with the first external thread;

the first gasket is arranged in the upper cover and is suitable for sealing the lower cover and the upper cover; the second gasket is arranged in the lower cover and is suitable for sealing the lower cover and the bottle body.

2. The reagent bottle cap of claim 1, wherein the cover plate comprises a first separating ring and a second separating ring which are concentrically arranged, and a puncturing part connected between the first separating ring and the second separating ring; a first convex ring is arranged on the first separating ring, and a second convex ring is arranged on the second separating ring; the first convex ring is positioned on the inner side of the second convex ring, and the height of the first convex ring is greater than that of the second convex ring.

3. The reagent bottle cap of claim 2, wherein the end of the annular sleeve in the lower cap extends downward as an extension that is coaxial with and larger in diameter than the annular sleeve; the inner wall of the extension section is provided with a third internal thread, and the thread depth of the third internal thread is larger than that of the first internal thread.

4. The reagent bottle cap of claim 3, wherein an annular stop ring is further provided on the annular sleeve, the stop ring being provided between the first external thread and the extension section;

the lower cover further comprises an anti-theft ring, the anti-theft ring is sleeved on the annular sleeve and located between the stop ring and the extension section, and the upper edge of the anti-theft ring is connected with the lower edge of the upper cover through a connecting rib.

5. The reagent bottle cap of claim 4, wherein the upper edge of the anti-theft ring is provided with a connecting sheet and a limiting sheet, and the upper edges of the limiting sheets are bent inwards and abut against the lower edge of the stop ring; the upper edge of the connecting sheet is connected with the connecting rib.

6. The reagent bottle cap of claim 5, wherein the cap plate further comprises a cross rib connected to the first and second separation rings and adapted to divide the piercing portion into four sectors.

7. The reagent bottle cap of claim 6, wherein the inner surface of the lid plate further comprises a third bead adapted to seal with the second gasket.

8. The reagent bottle cap of claim 7, wherein the second gasket is a single-layer gasket or a double-layer gasket, and one side of the second gasket is covered with a PTFE film.

9. A reagent bottle comprising a reagent bottle cap according to any one of claims 1 to 8.