Expansion culture dish with good sealing performance for microbiological examination

Abstract

The utility model discloses a microbiological examination expansion culture dish with good sealing performance, which comprises a culture dish base plate, a culture dish top cover is horizontally arranged at the top end of the culture dish base plate, and a sealing assembly for improving the sealing performance between the culture dish base plate and the culture dish top cover is arranged at the bottom end of the culture dish top cover. According to the expanding culture dish with the good sealing performance for microbiological examination, through the arrangement of the top cover bearing ring, the cover opening sealing ring and the cover top sealing ring, when the expanding culture dish is used, the cover opening sealing ring at the cover opening position of the top cover of the culture dish is tightly attached to the top cover bearing ring under the pressing of the dead weight of the top cover of the culture dish, and first sealing is formed; the cover top sealing ring at the cover top of the culture dish top cover is also tightly attached to the dish opening position of the culture dish base plate under the pressure of the self weight of the culture dish top cover to form second sealing, the double sealing can further reduce the invasion probability of external microorganisms, the function of improving the sealing performance is achieved, and the problem that the device does not have the function of improving the sealing performance is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory wares, in particular to an expanded culture dish for microorganism inspection with good sealing performance. Background Technique

[0002] A culture dish is a laboratory ware used for culturing microorganisms or cells. Its main body consists of a flat disc-shaped bottom and a cover, generally made of glass or plastic as the main material, and is an essential instrument in the experiment of microorganism expansion inspection.

[0003] Currently, the culture dishes used for microorganism expansion inspection in laboratories are mostly similar in structure, with a flat disc-shaped bottom plate and a top cover as the main body. There are some functional deficiencies in the actual use process, and there is room for improvement. For example, the sealing performance between the bottom plate and the top cover is weak, there are gaps on the connection surface between the bottom plate and the top cover, and there is a certain probability that external microorganisms can penetrate into the culture dish along the gaps, affecting the sample, and it does not have the function of increasing the sealing performance.

[0004] Now, a new type of expanded culture dish for microorganism inspection with good sealing performance is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an expanded culture dish for microorganism inspection with good sealing performance, so as to solve the problem of lacking the function of increasing the sealing performance proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an expanded culture dish for microorganism inspection with good sealing performance, including a culture dish bottom plate, a culture dish top cover is horizontally placed on the top end of the culture dish bottom plate, and a sealing component for increasing the sealing performance between the culture dish bottom plate and the culture dish top cover is arranged at the bottom end of the culture dish top cover.

[0007] The sealing component includes a top cover supporting ring, the top cover supporting ring is fixedly connected to the outer wall of the culture dish bottom plate, a cover mouth sealing ring is adhesively connected to the bottom end of the culture dish top cover, and a cover top sealing ring is adhesively connected to the outer circle of the inner top end of the culture dish top cover.

[0008] Preferably, the outer diameter of the top cover supporting ring is larger than the outer diameter of the culture dish top cover, and the top end of the top cover supporting ring is in contact with the bottom end of the cover mouth sealing ring.

[0009] Preferably, the inner diameter of the cover mouth sealing ring is consistent with the inner diameter of the culture dish top cover, and the outer diameter of the cover mouth sealing ring is consistent with the outer diameter of the culture dish top cover.

[0010] Preferably, the inner diameter of the cover top sealing ring is consistent with the inner diameter of the culture dish bottom plate, and the bottom end of the cover top sealing ring is in contact with the top end of the culture dish bottom plate.

[0011] Preferably, a right ear piece is fixedly connected to the right side of the top cover of the culture dish, and a left ear piece is fixedly connected to the left side of the top cover of the culture dish. The right ear piece and the left ear piece have the same shape, and the upper and lower ends of the right ear piece and the left ear piece are flush with the upper and lower ends of the top cover of the culture dish.

[0012] Preferably, a third finger groove is provided at the rear end of the left ear piece, a fourth finger groove is provided at the front end of the left ear piece, a first finger groove is provided at the rear end of the right ear piece, and a second finger groove is provided at the front end of the right ear piece.

[0013] Preferably, a chassis attachment sleeve is sleeved on the bottom end of the culture dish chassis. A rubber ring is adhesively bonded to the top of the inner wall of the chassis attachment sleeve. The inner diameter of the chassis attachment sleeve is larger than the outer diameter of the culture dish chassis, and the inner wall of the rubber ring fits against the outer wall of the culture dish chassis.

[0014] Preferably, a plurality of groups of horizontal grid lines are horizontally arranged at the bottom of the chassis attachment sleeve, a plurality of groups of horizontal digital marks are horizontally printed at the middle position of the bottom end of the chassis attachment sleeve, a plurality of groups of vertical grid lines are vertically arranged at the bottom of the chassis attachment sleeve, and a plurality of groups of vertical digital marks are vertically printed at the middle position of the bottom end of the chassis attachment sleeve.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The expansion culture dish for microbial inspection with good sealing not only realizes the function of increasing the sealing performance, realizes the function of facilitating marking and removing the cover, but also realizes the function of facilitating the observation and recording of the expansion range;

[0016] By providing a top cover support ring, a cover mouth sealing ring and a cover top sealing ring, during use, the culture medium liquid is introduced into the culture dish chassis through a pipette, and then the microbial sample to be inspected is placed into the culture dish chassis. The top cover of the culture dish is covered for sealing. Under the self-weight pressure of the top cover of the culture dish, the cover mouth sealing ring at the cover mouth position of the top cover of the culture dish closely adheres to the top cover support ring to form a first layer of seal. The cover top sealing ring on the cover top of the top cover of the culture dish also closely adheres to the mouth position of the culture dish chassis under the self-weight pressure of the top cover of the culture dish to form a second layer of seal. The double seal can further reduce the probability of external microorganisms invading, realizing the function of increasing the sealing performance;

[0017] By being provided with a right ear piece, a first finger groove, a second finger groove, a left ear piece, a third finger groove and a fourth finger groove, during use, according to the differences of samples in the culture dish chassis, the sample information in the culture dish chassis can be directly written on the right ear piece or the left ear piece, avoiding writing on the culture dish top cover and affecting observation. At the same time, the right ear piece and the left ear piece can increase the self-weight of the culture dish top cover, making its sealing performance better. When opening the culture dish top cover, there is no need to pick up the culture dish chassis either. Just pinch the fourth finger groove and the third finger groove with the thumb and index finger of the left hand respectively, and pinch the second finger groove and the first finger groove with the thumb and index finger of the right hand respectively, and apply upward force to lift the culture dish top cover through the right ear piece and the left ear piece, realizing the functions of being convenient for marking and taking the cover;

[0018] By being provided with a chassis attachment sleeve, a rubber ring, horizontal grid lines, horizontal digital labels, vertical grid lines and vertical digital labels, when recording the expansion state of microorganisms, the scale area composed of the horizontal grid lines, horizontal digital labels, vertical grid lines and vertical digital labels on the chassis attachment sleeve can clearly show the expansion range of microorganisms, forming accurate data. The rubber ring at the inner wall of the chassis attachment sleeve can increase the connection stability between the chassis attachment sleeve and the culture dish chassis and is not easy to fall off, realizing the function of being convenient for observing and recording the expansion range. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front view structural schematic diagram of the present utility model;

[0020] Figure 2 is a front view structural schematic diagram of the culture dish chassis of the present utility model;

[0021] Figure 3 is a bottom view structural schematic diagram of the culture dish top cover of the present utility model;

[0022] Figure 4 is a top view structural schematic diagram of the chassis attachment sleeve of the present utility model.

[0023] In the figure: 1. Culture dish chassis; 2. Culture dish top cover; 3. Top cover supporting ring; 4. Cover mouth sealing ring; 5. Cover top sealing ring; 6. Right ear piece; 7. First finger groove; 8. Second finger groove; 9. Left ear piece; 10. Third finger groove; 11. Fourth finger groove; 12. Chassis attachment sleeve; 13. Rubber ring; 14. Horizontal grid lines; 15. Horizontal digital labels; 16. Vertical grid lines; 17. Vertical digital labels. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-4 , a dilatable culture dish for microbial inspection with good sealing performance, including a culture dish chassis 1. A culture dish top cover 2 is horizontally placed on the top end of the culture dish chassis 1. A sealing component for increasing the sealing performance between the culture dish chassis 1 and the culture dish top cover 2 is provided at the bottom end of the culture dish top cover 2;

[0026] Please refer to Figures 1-4 , a dilatable culture dish for microbial inspection with good sealing performance further includes a sealing component. The sealing component includes a top cover supporting ring 3. The top cover supporting ring 3 is fixedly connected to the outer wall of the culture dish chassis 1. A cover mouth sealing ring 4 is adhesively bonded to the bottom end of the culture dish top cover 2. An outer ring at the top end inside the culture dish top cover 2 is adhesively bonded with a cover top sealing ring 5;

[0027] The outer diameter of the top cover supporting ring 3 is larger than the outer diameter of the culture dish top cover 2. The top end of the top cover supporting ring 3 is in contact with the bottom end of the cover mouth sealing ring 4. The inner diameter of the cover mouth sealing ring 4 is consistent with the inner diameter of the culture dish top cover 2. The outer diameter of the cover mouth sealing ring 4 is consistent with the outer diameter of the culture dish top cover 2. The inner diameter of the cover top sealing ring 5 is consistent with the inner diameter of the culture dish chassis 1. The bottom end of the cover top sealing ring 5 is in contact with the top end of the culture dish chassis 1, which can improve the sealing performance of the culture dish;

[0028] Specifically, as shown in Figure 2 and Figure 3 , under the self-weight pressure of the culture dish top cover 2, the cover mouth sealing ring 4 at the cover mouth position of the culture dish top cover 2 closely adheres to the top cover supporting ring 3 to form a first layer of seal. The cover top sealing ring 5 at the cover top of the culture dish top cover 2 also closely adheres to the dish mouth position of the culture dish chassis 1 under the self-weight pressure of the culture dish top cover 2 to form a second layer of seal. The double seal can further reduce the probability of external microorganisms invading.

[0029] Embodiment 2: A right ear piece 6 is fixedly connected to the right side of the culture dish top cover 2. A left ear piece 9 is fixedly connected to the left side of the culture dish top cover 2. The right ear piece 6 and the left ear piece 9 have the same shape. The upper and lower ends of the right ear piece 6 and the left ear piece 9 are flush with the upper and lower ends of the culture dish top cover 2. A third finger groove 10 is provided at the rear end of the left ear piece 9. A fourth finger groove 11 is provided at the front end of the left ear piece 9. A first finger groove 7 is provided at the rear end of the right ear piece 6. A second finger groove 8 is provided at the front end of the right ear piece 6, which is convenient for marking information and also convenient for picking up the top cover;

[0030] Specifically, as Figure 1 and Figure 3 shown, the sample information in the culture dish chassis 1 is directly written on the right ear piece 6 or the left ear piece 9, avoiding writing on the culture dish top cover 2 and affecting the observation. At the same time, the right ear piece 6 and the left ear piece 9 can increase the self-weight of the culture dish top cover 2, making its sealing performance better. When opening the culture dish top cover 2, there is no need to pick up the culture dish chassis 1 either. Just pinch the fourth finger groove 11 and the third finger groove 10 with the thumb and index finger of the left hand respectively, and pinch the second finger groove 8 and the first finger groove 7 with the thumb and index finger of the right hand respectively, and apply upward force to lift the culture dish top cover 2 through the right ear piece 6 and the left ear piece 9.

[0031] Example 3: A chassis additional sleeve 12 is sleeved at the bottom end of the culture dish chassis 1. A rubber ring 13 is adhesively bonded to the top of the inner wall of the chassis additional sleeve 12. The inner diameter of the chassis additional sleeve 12 is larger than the outer diameter of the culture dish chassis 1. The inner wall of the rubber ring 13 is fitted with the outer wall of the culture dish chassis 1. A plurality of groups of horizontal grid patterns 14 are horizontally arranged at the bottom of the chassis additional sleeve 12. A plurality of groups of horizontal digital labels 15 are horizontally printed at the middle position of the bottom end of the chassis additional sleeve 12. A plurality of groups of vertical grid patterns 16 are vertically arranged at the bottom of the chassis additional sleeve 12. A plurality of groups of vertical digital labels 17 are vertically printed at the middle position of the bottom end of the chassis additional sleeve 12, which is convenient for reading and recording the microbial expansion range;

[0032] Specifically, as Figure 1 and Figure 4 shown, the scale area formed by the horizontal grid patterns 14, horizontal digital labels 15, vertical grid patterns 16 and vertical digital labels 17 on the chassis additional sleeve 12 can clearly show the microbial expansion range and form accurate data. The rubber ring 13 at the inner wall of the chassis additional sleeve 12 can increase the connection stability between the chassis additional sleeve 12 and the culture dish chassis 1.

[0033] Working principle: When the present utility model is in use, first, the culture medium solution is introduced into the culture dish chassis 1 through a pipette. Then, the microbial sample to be tested is placed into the culture dish chassis 1, and the culture dish top cover 2 is covered for sealing. Under the pressure of the self-weight of the culture dish top cover 2, the cover mouth sealing ring 4 at the cover mouth position of the culture dish top cover 2 closely adheres to the top cover supporting ring 3, forming the first layer of seal. The cover top sealing ring 5 on the cover top of the culture dish top cover 2 also closely adheres to the dish mouth position of the culture dish chassis 1 under the pressure of the self-weight of the culture dish top cover 2, forming the second layer of seal. The double seal can further reduce the probability of external microorganisms invading. According to the different samples in the culture dish chassis 1, the sample information in the culture dish chassis 1 is directly written on the right ear piece 6 or the left ear piece 9, avoiding writing on the culture dish top cover 2 and affecting the observation. At the same time, the right ear piece 6 and the left ear piece 9 can increase the self-weight of the culture dish top cover 2, making its sealing performance better. When opening the culture dish top cover 2, there is no need to pick up the culture dish chassis 1 either. Just pinch the fourth finger groove 11 and the third finger groove 10 with the thumb and index finger of the left hand respectively, and pinch the second finger groove 8 and the first finger groove 7 with the thumb and index finger of the right hand respectively, and exert upward force to lift the culture dish top cover 2 through the right ear piece 6 and the left ear piece 9. When recording the expansion state of microorganisms, the scale area composed of the horizontal grid lines 14, horizontal digital marks 15, vertical grid lines 16 and vertical digital marks 17 on the chassis additional sleeve 12 can clearly show the expansion range of microorganisms, forming accurate data. The rubber ring 13 at the inner wall of the chassis additional sleeve 12 can increase the connection stability between the chassis additional sleeve 12 and the culture dish chassis 1 and is not easily detached.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. An expansion culture dish for microbiological testing with good sealing performance, comprising a culture dish bottom plate (1), characterized in that: A culture dish cover (2) is horizontally placed on the top of the culture dish bottom plate (1), and a sealing component for increasing the sealing performance between the culture dish bottom plate (1) and the culture dish cover (2) is arranged at the bottom of the culture dish top plate (2); The sealing assembly comprises a top cover supporting ring (3), the top cover supporting ring (3) being fixedly connected to the outer wall of the culture dish bottom plate (1), the bottom end of the culture dish top cover (2) being glued with a cover opening sealing ring (4), and the outer ring of the inner top end of the culture dish top cover (2) being glued with a cover top sealing ring (5).

2. The expansion culture dish for microbial testing with good sealing performance according to claim 1, characterized in that: The outer diameter of the top cover supporting ring (3) is greater than the outer diameter of the culture dish top cover (2), and the top end of the top cover supporting ring (3) fits with the bottom end of the cover sealing ring (4).

3. The expansion culture dish for microbial testing with good sealing performance according to claim 1, characterized in that: The inner diameter of the cover sealing ring (4) is consistent with the inner diameter of the culture dish top cover (2), and the outer diameter of the cover sealing ring (4) is consistent with the outer diameter of the culture dish top cover (2).

4. The expansion culture dish for microbial testing with good sealing performance according to claim 1, characterized in that: The inner diameter of the cover top sealing ring (5) is consistent with the inner diameter of the culture dish bottom plate (1), and the bottom end of the cover top sealing ring (5) is in contact with the top end of the culture dish bottom plate (1).

5. The expansion culture dish for microbiological testing with good sealing performance according to claim 1, characterized in that: A right ear piece (6) is fixedly connected to the right side of the culture dish top cover (2), and a left ear piece (9) is fixedly connected to the left side of the culture dish top cover (2); the right ear piece (6) and the left ear piece (9) have the same shape, and the upper and lower ends of the right ear piece (6) and the left ear piece (9) are flush with the upper and lower ends of the culture dish top cover (2).

6. The expansion culture dish for microbial testing with good sealing performance according to claim 5, characterized in that: The rear end of the left ear piece (9) is provided with a third finger groove (10), the front end of the left ear piece (9) is provided with a fourth finger groove (11), the rear end of the right ear piece (6) is provided with a first finger groove (7), and the front end of the right ear piece (6) is provided with a second finger groove (8).

7. The expansion culture dish for microbial testing with good sealing performance according to claim 1, characterized in that: The bottom end of the culture dish bottom plate (1) is sleeved with a bottom plate additional sleeve (12), the top of the inner wall of the bottom plate additional sleeve (12) is glued with a rubber ring (13), the inner diameter of the bottom plate additional sleeve (12) is larger than the outer diameter of the culture dish bottom plate (1), and the inner wall of the rubber ring (13) fits the outer wall of the culture dish bottom plate (1).

8. The expansion culture dish for microbiological testing with good sealing performance according to claim 7, characterized in that: The bottom of the chassis additional cover (12) is provided with a plurality of groups of horizontal grid patterns (14) in the horizontal direction, and the middle position of the bottom end of the chassis additional cover (12) is printed with a plurality of groups of horizontal digital marks (15) in the horizontal direction. The bottom of the chassis additional cover (12) is provided with a plurality of groups of vertical grid patterns (16) in the vertical direction, and the middle position of the bottom end of the chassis additional cover (12) is printed with a plurality of groups of vertical digital marks (17) in the vertical direction.

Images