Bottle cap for sterilizing culture medium

Abstract

The utility model discloses a bottle cap for sterilizing a culture medium, which relates to the technical field of laboratory sterilizing appliances and comprises a bottle cap body, internal threads are arranged on the inner wall of the bottle cap body, a mounting hole is arranged at the top of the bottle cap body, and a breathable silica gel plug is arranged in the mounting hole. The breathable silica gel plug comprises a silica gel plug body and a breathable filter element arranged on the silica gel plug body. The explosion risk of the blue-mouth bottle can be reduced, and the scalding risk of operators and the pollution risk of a culture medium are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory sterilization apparatuses, in particular to a bottle cap for sterilizing culture medium. Background Art

[0002] Before sterilizing the culture medium, it is necessary to place the culture medium into a blue-mouth bottle, tighten the cap on the bottle mouth, and then place the blue-mouth bottle in a sterilizer for high-temperature sterilization. During the sterilization process, the blue-mouth bottle is sealed due to the tightening of the cap, resulting in an imbalance in the air pressure inside and outside the blue-mouth bottle, making the blue-mouth bottle prone to bursting.

[0003] Currently, in order to reduce the risk of explosion, operators usually loosen the bottle cap twice before placing the blue-mouth bottle into the sterilization equipment; after sterilization, in order to reduce the risk of contamination, the operator needs to tighten the bottle cap in time. When tightening the bottle cap, the operator may easily get burned.

[0004] Therefore, how to reduce the risk of blue-mouth bottles exploding, reduce the risk of scalding for operators and the risk of culture medium contamination is a technical problem that needs to be solved at present. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention proposes a bottle cap for sterilizing culture medium, which can reduce the risk of blue-mouth bottles bursting, the risk of scalding for operators and the risk of culture medium contamination.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A bottle cap for sterilizing culture medium comprises a bottle cap body, the inner wall of the bottle cap body is provided with an internal thread, the top of the bottle cap body is provided with a mounting hole, a breathable silicone plug is provided in the mounting hole, and the breathable silicone plug comprises a silicone plug body and a breathable filter core arranged on the silicone plug body.

[0008] Furthermore, the silicone plug body adopts a hollow frustum structure, the top diameter of the silicone plug body is larger than the bottom diameter of the silicone plug body, and the top diameter of the silicone plug body is larger than the aperture of the mounting hole.

[0009] Furthermore, a limiting portion is provided on the side of the silicone plug body, and the limiting portion abuts against the inner top wall of the bottle cap body.

[0010] Furthermore, the limiting portion adopts an annular structure, and the limiting portion and the silicone plug body are an integrated structure.

[0011] Furthermore, the air permeable filter core and the supporting portion are provided in the hollow portion of the silicone plug body. The supporting portion adopts an annular structure. The supporting portion and the silicone plug body are an integrated structure, and the supporting portion abuts against the bottom of the air permeable filter core.

[0012] Furthermore, the air-permeable filter core adopts a quartz sand core.

[0013] Furthermore, the air-permeable filter core adopts a cylindrical structure.

[0014] Furthermore, the outer wall of the bottle cap body is provided with anti-slip grooves.

[0015] The utility model has the beneficial effects:

[0016] 1. Before sterilization, the operator will screw the assembled breathable silicone stopper bottle cap body directly onto the bottle mouth of the blue-mouth bottle, and then place it in the sterilization equipment for sterilization. During the sterilization process, the breathable filter element in the breathable silicone stopper plays a ventilation role, which can balance the air pressure inside and outside the blue-mouth bottle and reduce the risk of the blue-mouth bottle bursting. After the sterilization is completed, because the bottle cap body has already been tightened on the bottle mouth of the blue-mouth bottle, there is no need for the operator to continue tightening it, which can reduce the risk of burns to the operator and the risk of culture medium contamination. Therefore, the utility model can not only reduce the risk of blue-mouth bottles bursting, but also reduce the risk of burns to the operator and the risk of culture medium contamination.

[0017] 2. The breathable silicone plug and the bottle cap body are easy to disassemble and assemble, which makes it easy to replace the breathable silicone plug and improve the efficiency of replacement and maintenance.

[0018] 3. The breathable silicone plug for the quartz sand core is an existing product that can be purchased directly, is easy to obtain, and is convenient to replace. In addition, the breathable silicone plug for the quartz sand core is inexpensive, has a long service life, and is easy to apply and promote.

[0019] 4. When the breathable silicone plug is inserted into the installation hole, when the top surface of the limiting portion abuts against the inner top wall of the bottle cap body, the limiting portion can prevent the breathable silicone plug from continuing to move up from the installation hole. The operator can know that the breathable silicone plug is installed in place, thereby improving the reliability of assembly.

[0020] 5. During the sterilization process, when the air pressure in the blue-mouth bottle is high, the limiter can prevent the breathable silicone plug from being pushed out of the installation hole by the air pressure, thereby ensuring the reliability of the breathable silicone plug during the sterilization process.

[0021] 6. When the operator's fingers are screwing the bottle cap body, the anti-slip grooves can increase the friction between the fingers and the bottle cap body, prevent slipping, and improve the reliability of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional bottle cap for sterilizing culture medium. Figure 1 ;

[0023] Figure 2 It is a three-dimensional bottle cap for sterilizing culture medium. Figure 2 ;

[0024] Figure 3 This is a front view of a bottle cap for sterilizing culture medium;

[0025] Figure 4 This is a top view of a bottle cap for sterilizing a culture medium;

[0026] Figure 5 yes Figure 4 Cross-sectional view at AA in the middle;

[0027] Figure 6 This is a schematic diagram of the use of a bottle cap for sterilizing culture medium.

[0028] Description of reference numerals:

[0029] 1-Bottle cap body, 11-Internal thread, 12-Mounting hole, 13-Anti-slip pattern,

[0030] 2-breathable silicone plug, 21-silicone plug body, 211-limiting part, 212-supporting part, 22-breathable filter element, 3-blue mouth bottle. DETAILED DESCRIPTION

[0031] To better understand the present invention, the present invention is further described below with reference to the accompanying drawings. It is worth noting that in the description of the present invention, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are used solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0032] Example:

[0033] A bottle cap for sterilizing culture medium, comprising a bottle cap body 1. Figure 2 and Figure 5 The inner wall of the bottle cap body 1 is provided with an internal thread 11, which is used to cooperate with the external thread at the bottle mouth of the blue-mouth bottle 3.

[0034] See also Figure 1 、 Figure 2 and Figure 3 The outer wall of the bottle cap body 1 is provided with anti-skid patterns 13. When the operator's fingers are screwing the bottle cap body 1, the anti-skid patterns 13 can increase the friction between the fingers and the bottle cap body 1, prevent slipping, and improve the reliability of the operation.

[0035] See also Figure 1 and Figure 5 The top of the bottle cap body 1 is provided with a mounting hole 12. A breathable silicone plug 2 is provided in the mounting hole 12.

[0036] See also Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6 The breathable silicone plug 2 includes a silicone plug body 21 and a breathable filter element 22 arranged on the silicone plug body 21.

[0037] See also Figure 1 、 Figure 2 、 Figure 5 and Figure 6 The silicone plug body 21 adopts a hollow truncated cone structure, and the hollow part of the silicone plug body 21 is used to accommodate the air permeable filter element 22. The top diameter of the silicone plug body 21 is larger than the bottom diameter of the silicone plug body 21. The top diameter of the silicone plug body 21 is larger than the aperture of the mounting hole 12.

[0038] See also Figure 5 and Figure 6 A limiting portion 211 is provided on the side of the silicone plug body 21. The limiting portion 211 adopts an annular structure. The limiting portion 211 and the silicone plug body 21 are an integral structure. The limiting portion 211 is used to abut against the inner top wall of the bottle cap body 1.

[0039] See also Figure 5 and Figure 6 The breathable filter core 22 not only plays a role of ventilation, but also plays a role of filtering. In this embodiment, the breathable filter core 22 adopts a quartz sand core with a cylindrical structure. The quartz sand core not only has a breathable function, but also has a filtering function. The breathable filter core 22 is embedded in the hollow part of the silicone plug body 21, and a supporting portion 212 is provided in the hollow part of the silicone plug body 21. The supporting portion 212 is an annular structure. The supporting portion 212 and the silicone plug body 21 are an integral structure. The supporting portion 212 abuts against the bottom surface of the breathable filter core 22. The supporting portion 212 is used to prevent the breathable filter core 22 from falling, which can improve the stability of the breathable filter core 22 installed in the silicone plug body 21.

[0040] The working principle of this embodiment is as follows:

[0041] (1) When assembling the bottle cap body 1 and the breathable silicone plug 2:

[0042] The operator inserts the large end of the breathable silicone plug 2 upward into the mounting hole 12 from the inside of the bottle cap body 1 .

[0043] Because the silicone plug body 21 in the breathable silicone plug 2 has a soft texture, when the large end of the breathable silicone plug 2 is plugged into the mounting hole 12 , the silicone plug body 21 can be adaptively deformed, allowing the breathable silicone plug 2 to be smoothly plugged into the mounting hole 12 .

[0044] The operator stops pushing the ventilated silicone plug 2 upward until the top surface of the stopper 211 contacts the inner top wall of the bottle cap body 1. At this point, the stopper 211 prevents the ventilated silicone plug 2 from moving upward from the mounting hole 12, and the operator knows that the ventilated silicone plug 2 is properly installed.

[0045] After the breathable silicone plug 2 is inserted into the mounting hole 12 , the breathable silicone plug 2 and the mounting hole 12 have an interference fit, which can ensure the sealing between the outer wall of the breathable silicone plug 2 and the mounting hole 12 .

[0046] (2) When separating the bottle cap body 1 and the breathable silicone plug 2:

[0047] The operator pushes the breathable silicone plug 2 downward to allow the breathable silicone plug 2 to move downward and disengage from the mounting hole 12, thereby separating the bottle cap body 1 and the breathable silicone plug 2.

[0048] Through the above-mentioned process of disassembling and assembling the bottle cap body 1 and the breathable silicone plug 2, it can be known that the disassembly and assembly operation of the breathable silicone plug 2 and the bottle cap body 1 is simple, thereby making it convenient to replace the breathable silicone plug 2 and improving the efficiency of replacement and maintenance.

[0049] In addition, the quartz sand core breathable silicone plug 2 is an existing product that can be purchased directly, is easy to obtain, and is easy to replace. Moreover, the quartz sand core breathable silicone plug 2 is cheap, has a long service life, and is easy to apply and promote.

[0050] (3) When using a bottle cap for sterilizing a culture medium according to this embodiment for sterilization:

[0051] First, the operator screws the bottle cap body 1 assembled with the breathable silicone plug 2 directly onto the bottle mouth of the blue-mouth bottle 3.

[0052] The operator then places the blue-mouth bottle 3 into the sterilization equipment. During the sterilization process, the air filter element 22 in the breathable silicone stopper 2 acts as a ventilation device, balancing the air pressure inside and outside the blue-mouth bottle 3 and reducing the risk of the blue-mouth bottle 3 bursting. Furthermore, when the air pressure inside the blue-mouth bottle 3 is high, the stopper 211 prevents the breathable silicone stopper 2 from being pushed out of the mounting hole 12 by the air pressure, ensuring the reliability of the breathable silicone stopper 2 during the sterilization process.

[0053] After sterilization is complete, the operator removes the blue-mouth bottle 3 from the sterilizer. Because the bottle cap body 1 is already screwed onto the bottle mouth of the blue-mouth bottle 3, the operator does not need to tighten it further, reducing the risk of burns. Furthermore, after sterilization is complete, the filtering effect of the air-permeable filter element 22 reduces the risk of contamination.

[0054] It can be seen from the above sterilization process that the bottle cap for sterilizing the culture medium of this embodiment can not only reduce the risk of the blue-mouth bottle 3 bursting, but also reduce the risk of burns to operators and the risk of culture medium contamination.

[0055] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A bottle cap for sterilizing culture medium, comprising a bottle cap body, the inner wall of which is provided with an internal thread, characterized in that: The top of the bottle cap body is provided with a mounting hole, and a breathable silicone plug is provided in the mounting hole. The breathable silicone plug comprises a silicone plug body and a breathable filter element provided on the silicone plug body; The silicone plug body adopts a hollow truncated cone structure, the top diameter of the silicone plug body is larger than the bottom diameter of the silicone plug body, and the top diameter of the silicone plug body is larger than the aperture of the mounting hole; The air permeable filter core and the supporting portion are provided in the hollow of the silicone plug body. The supporting portion adopts an annular structure. The supporting portion and the silicone plug body are an integrated structure. The supporting portion abuts against the bottom of the air permeable filter core. The air-permeable filter core adopts a quartz sand core; the air-permeable filter core adopts a columnar structure.

2. The bottle cap for sterilizing a culture medium according to claim 1, characterized in that: A limiting portion is provided on the side of the silicone plug body, and the limiting portion abuts against the inner top wall of the bottle cap body.

3. The bottle cap for sterilizing a culture medium according to claim 2, characterized in that: The limiting portion adopts an annular structure, and the limiting portion and the silicone plug body are an integrated structure.

4. The bottle cap for sterilizing a culture medium according to claim 1, characterized in that: The outer wall of the bottle cap body is provided with anti-slip grooves.

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