Culture dish for microbiological examination
By designing a hydrophobic guide mechanism and shock-absorbing protection mechanism in a microbial petri dish, the problem of condensate affecting the experimental results is solved, the stability of the petri dish and the accuracy of the experimental results are achieved, and the overall practical effect is improved.
Patent Information
- Application Number
- CN202420669794.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The existing microbial petri dishes are composed of smooth dishes and lids, and condensate is prone to be attached to the inner wall of the lid during the culture process, causing the condensate to drop onto the bacterial population, affecting the accuracy of the experimental results.
A hydrophobic guide mechanism including an annular partition, a conical groove and a strip groove is designed. Through the joint drainage of the conical groove and a strip groove, condensed water is introduced into the partition area of the annular partition to avoid accumulation and dripping of condensate water. The shock-absorbing protection mechanism of the limit sleeve, limit piston rod, resistance spring and support plate ensures the stability and safety of the petri dish.
It effectively avoids the impact of condensate on the bacterial flora, ensures the accuracy of the experimental results, and realizes simple installation of the dish body and the dish cover and no vibration opening of the cover through a portable installation mechanism, improving the stability and safety performance of the experiment.
Smart Images

Figure CN222205234U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microbiological testing, in particular to a culture dish for microbiological testing. Background Art
[0002] A culture dish is a laboratory dish used for microbial or cell culture. It consists of a flat disc-shaped bottom and a cover. It is generally made of glass or plastic. There are basically two types of culture dishes, mainly plastic and glass. Glass dishes can be used for plant materials, microbial culture and adherent culture of animal cells. Plastic dishes may be made of polyethylene. They can be disposable or reusable. They are suitable for laboratory inoculation, streaking, and bacterial isolation operations, and can be used for the culture of plant materials.
[0003] Patent No. "CN212688059U" discloses a "microorganism inspection culture dish". The microorganism inspection culture dish is provided with an annular groove on the upper cover of the culture dish, and a plurality of sampling holes are provided at an equal angle in an annular shape at the bottom of the annular groove. When sampling and testing are performed, it is not necessary to open the upper cover of the culture dish. The circular through holes on the annular frame can be rotated to correspond to the positions of the sampling holes, and sampling can be performed directly. When not needed, the circular through holes and the sampling holes are misaligned to achieve sealing of the culture dish, which is more convenient for sampling and testing. Since the existing culture dish is composed of a smooth dish body and a dish cover, the culture dish will produce condensate attached to the inner wall of the dish cover during the actual culture process. Once the condensate accumulates too much and drips onto the cultured microbial flora, it will directly affect the normal culture process of the colony, and then directly affect the accuracy of the experimental results when the colony culture is subsequently tested. However, the above device has not made improvements to this problem, and the overall practical effect is poor. Utility Model Content
[0004] The purpose of the present utility model is to solve the above-mentioned problem and to propose a culture dish for microbial testing, which improves the existing culture dish for microbial testing. Since the existing culture dish is composed of a smooth dish body and a dish cover, the culture dish will produce condensate attached to the inner wall of the dish cover during the actual culture process. Once too much condensate accumulates and drips onto the cultured microbial flora, it will directly affect the normal culture process of the colony, and then directly affect the accuracy of the experimental results when the colony culture is subsequently tested. However, the existing device has not made improvements to this problem, and the overall practical effect is poor.
[0005] A culture dish for microbial testing comprises a mounting base, a dish body and a dish cover: the dish body is located inside the mounting base, the dish cover is located above the dish body, a shock absorbing protection mechanism is arranged inside the mounting base, a hydrophobic guide mechanism is arranged on the side of the shock absorbing protection mechanism, and a portable mounting mechanism is arranged on the side of the hydrophobic guide mechanism.
[0006] Preferably, the shock-absorbing protection mechanism comprises a limiting sleeve and a limiting piston rod, the limiting sleeve is embedded and installed at equal intervals on the side inner wall of the mounting base, and the limiting piston rod is slidably installed inside the limiting sleeve.
[0007] Preferably, a resistance spring is connected between the limiting piston rod and the inner wall of the bottom end of the limiting sleeve, the protruding end of the limiting piston rod is arranged outside the limiting sleeve, and the protruding end of the limiting piston rod is connected to the support plate, and the top outer wall of the support plate is arranged as an arc structure.
[0008] Preferably, the hydrophobic guiding mechanism comprises an annular partition and a conical groove, the inner wall of the bottom end of the dish body is provided with an annular partition, and the inner wall of the bottom end of the dish cover is provided with a conical groove.
[0009] Preferably, the dish cover is located at the bottom inner wall of the conical groove and is provided with strip grooves at equal intervals around it, and the ends of the strip grooves are located directly above the separation part between the annular partition and the dish body.
[0010] Preferably, the portable installation mechanism comprises a resistance groove, a placement groove and a support block, the top outer wall of the dish body is symmetrically provided with resistance grooves, the bottom outer wall of the dish cover is symmetrically provided with placement grooves, and a support block is slidably installed inside the placement groove.
[0011] Preferably, a compression spring is connected between the support block and the inner wall of the bottom end of the placement groove, and a protrusion is provided on the side outer wall of the support block, and the protrusion is connected to the limiting button block.
[0012] Preferably, the limiting button block is slidably connected to the side outer wall of the dish cover, the bottom outer wall of the support block is provided with a resistance column, and the resistance column and the resistance groove are snap-fitted.
[0013] The beneficial effects of the utility model are:
[0014] 1. When the culture dish for microbiological testing is in use, the smooth and flat dish cover is designed as a slotted design through the arrangement of the annular partition, the conical groove and the strip groove, so that the condensed water generated in the actual culture process of the culture dish can be automatically drained into the separate separation area of the annular partition and the culture dish through the conical groove and the strip groove. This arrangement avoids excessive condensed water accumulating on the inner wall of the dish cover to affect the normal observation of the culture dish. At the same time, by draining and separating the condensed water, it is avoided that the condensed water directly drips into the microbial flora and affects the normal reproduction of the microbial flora, thereby ensuring the accuracy of the subsequent microbiological experimental test results. The overall structure is simple and the practical effect is good.
[0015] 2. When the culture dish for microbiological testing is in use, the limiting sleeve, the limiting piston rod, the resistance spring and the support plate are arranged, and the resistance spring elastically supports the culture dish. This arrangement not only realizes the stable placement of the culture dish, but also makes the culture dish have a buffering and shock-absorbing effect through the elastic resistance support of the spring even if it is hit, and has a certain safety protection effect on the bacterial flora cultured inside the culture dish. Further, with the arrangement of the resistance groove, the placement groove, the support block, the compression spring, the limiting button block and the resistance column, the dish body and the dish cover can be easily and portablely installed during installation. At the same time, when the dish body and the dish cover are separated later, the effect of opening the cover without vibration force can be achieved, thereby ensuring the stability of the bacterial flora in the dish body and having good overall protection and safety performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0017] Figure 2 It is a three-dimensional structural diagram of the shock-absorbing protection mechanism of the utility model;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the annular partition installation of the utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the dish cover of the utility model;
[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the portable installation mechanism of the utility model.
[0021] In the figure: 1. installation base; 2. dish body; 3. dish cover; 4. limiting sleeve; 5. limiting piston rod; 6. resistance spring; 7. support plate; 8. annular partition; 9. conical groove; 10. strip groove; 11. resistance groove; 12. placement groove; 13. support block; 14. compression spring; 15. limiting button block; 16. resistance column. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] When implementing: Figure 1-5 As shown, a culture dish for microbial testing comprises a mounting base 1, a dish body 2 and a dish cover 3: the dish body 2 is located inside the mounting base 1, the dish cover 3 is located above the dish body 2, a shock-absorbing protection mechanism is arranged inside the mounting base 1, a hydrophobic guide mechanism is arranged on the side of the shock-absorbing protection mechanism, and a portable mounting mechanism is arranged on the side of the hydrophobic guide mechanism.
[0024] The shock-absorbing protection mechanism includes a limiting sleeve 4 and a limiting piston rod 5. The limiting sleeve 4 is embedded and installed at equal intervals on the side inner wall of the mounting base 1. The limiting piston rod 5 is slidably installed inside the limiting sleeve 4. A resisting spring 6 is connected between the limiting piston rod 5 and the inner wall of the bottom end of the limiting sleeve 4. The protruding end of the limiting piston rod 5 is arranged outside the limiting sleeve 4, and the protruding end of the limiting piston rod 5 is connected to the support plate 7, and the outer wall of the top end of the support plate 7 is arranged in an arc structure. When the dish body 2 needs to be installed inside the mounting base 1, it is only necessary to snap the dish body 2 into the support plate 7. The middle position of the dish body 2, and then the support plate 7 will automatically drive the limiting piston rod 5 to slide inside the limiting sleeve 4 due to the resistance force of the dish body 2. At this time, the resistance spring 6 is in a contracted state due to the extrusion force of the limiting piston rod 5. At the same time, the resistance spring 6 will synchronously generate a reaction force when it is squeezed, thereby pushing the limiting piston rod 5 to move in the opposite direction. Then, the reverse movement of the limiting piston rod 5 will automatically drive the support plate 7 to fit closely to the outside of the dish body 2. When the dish body 2 is installed in transportation and other situations, the mutual resistance and cooperation of the limiting sleeve 4, the limiting piston rod 5 and the resistance spring 6 can achieve the effect of shock absorption and protection.
[0025] The hydrophobic guiding mechanism includes an annular partition 8 and a conical groove 9. The inner wall of the bottom end of the dish body 2 is provided with an annular partition 8, and the inner wall of the bottom end of the dish cover 3 is provided with a conical groove 9. The inner wall of the bottom end of the dish cover 3 is provided with strip grooves 10 at equal intervals and surrounded by the conical groove 9. The end of the strip groove 10 is located directly above the separation part between the annular partition 8 and the dish body 2. When water vapor condenses on the inner wall of the bottom end of the dish cover 3 during the cultivation of the dish body 2, the water droplets will be automatically drained through the setting of the conical groove 9 and the strip groove 10. At the same time, the drained water droplets will automatically fall into the isolation interval between the annular partition 8 and the dish body 2, thereby achieving the effect of protective drainage and preventing the water droplets from directly dripping onto the cultured microbial flora and destroying the integrity of the microbial flora.
[0026] The portable installation mechanism includes a resistance groove 11, a placement groove 12 and a support block 13. The top outer wall of the dish body 2 is symmetrically provided with the resistance groove 11, and the bottom outer wall of the dish cover 3 is symmetrically provided with the placement groove 12. The support block 13 is slidably installed inside the placement groove 12, and a compression spring 14 is connected between the support block 13 and the bottom inner wall of the placement groove 12. The side outer wall of the support block 13 is provided with a protrusion, and the protrusion is connected to the limiting button block 15. The limiting button block 15 is slidably connected to the side outer wall of the dish cover 3. The bottom outer wall of the support block 13 is provided with a resistance column 16, and the resistance column 16 and the resistance groove 11 are snap-fitted. When the dish cover 3 needs to be installed on the top of the dish body 2, it is only necessary to snap the resistance column 16 into the resistance groove 11 at the corresponding position. When the dish cover 3 needs to be removed from the top of the dish body 2, it is first necessary to push the limit button 15 upwards, and the movement of the limit button 15 will automatically drive the protrusion to move and then drive the support block 13 to move. At this time, the compression spring 14 is squeezed by the support block 13 and is in a contracted state. At the same time, the support block 13 will also synchronously drive the resistance column 16 to be retracted into the placement groove 12 when moving. At this time, the locking effect between the dish body 2 and the dish cover 3 is lost, and the dish cover 3 can be directly removed.
[0027] When the utility model is in use, when the dish body 2 needs to be installed inside the mounting base 1, at this time, it is only necessary to snap the dish body 2 into the middle position of the support plate 7, and then the support plate 7 will automatically drive the limiting piston rod 5 to slide inside the limiting sleeve 4 due to the resistance force of the dish body 2. At this time, the resistance spring 6 is in a contracted state due to the extrusion force of the limiting piston rod 5. At the same time, the resistance spring 6 will synchronously generate a reaction force when being extruded, thereby pushing the limiting piston rod 5 to move in the opposite direction, and then the limiting piston rod 5 will automatically drive the support plate 7 to fit closely to the outside of the dish body 2 when the dish body 2 is installed in the transportation and other situations. At this time, through the limiting sleeve 4, The mutual interference of the limiting piston rod 5 and the interference spring 6 can achieve the effect of shock absorption and protection; when water vapor condenses on the inner wall of the bottom end of the dish cover 3 during the cultivation process of the dish body 2, the water droplets will be automatically drained through the setting of the conical groove 9 and the strip groove 10, and the drained water droplets will automatically fall into the isolation area between the annular partition 8 and the dish body 2, thereby achieving the effect of protective drainage and preventing water droplets from directly dripping onto the cultured microbial flora and destroying the integrity of the microbial flora; when the dish cover 3 needs to be installed on the top of the dish body 2, it is only necessary to engage the interference column 16 into the inside of the interference groove 11 at the corresponding position. When the dish cover 3 needs to be removed from the top of the dish body 2, it is first necessary to push the limit button 15 upwards, and the movement of the limit button 15 will automatically drive the protrusion to move and then drive the support block 13 to move. At this time, the compression spring 14 is squeezed by the support block 13 and is in a contracted state. At the same time, the support block 13 will also synchronously drive the resistance column 16 to be retracted into the placement groove 12 when moving. At this time, the locking effect between the dish body 2 and the dish cover 3 is lost, and the dish cover 3 can be directly removed.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A culture dish for microbiological testing, characterized in that: The invention comprises a mounting base (1), a dish body (2) and a dish cover (3): the dish body (2) is located inside the mounting base (1), the dish cover (3) is located above the dish body (2), a shock absorbing protection mechanism is arranged inside the mounting base (1), a hydrophobic guide mechanism is arranged on the side of the shock absorbing protection mechanism, and a portable mounting mechanism is arranged on the side of the hydrophobic guide mechanism.
2. A culture dish for microbiological testing according to claim 1, characterized in that: The shock-absorbing protection mechanism comprises a limiting sleeve (4) and a limiting piston rod (5); the limiting sleeve (4) is embedded and installed at equal intervals on the inner wall of the side of the mounting base (1); and the limiting piston rod (5) is slidably installed inside the limiting sleeve (4).
3. A culture dish for microbiological testing according to claim 2, characterized in that: A resisting spring (6) is connected between the limiting piston rod (5) and the inner wall of the bottom end of the limiting sleeve (4); the protruding end of the limiting piston rod (5) is arranged outside the limiting sleeve (4), and the protruding end of the limiting piston rod (5) is connected to the support plate (7), and the outer wall of the top end of the support plate (7) is arranged as an arc structure.
4. A culture dish for microbiological testing according to claim 1, characterized in that: The hydrophobic guide mechanism comprises an annular partition (8) and a conical groove (9); the inner wall of the bottom end of the dish body (2) is provided with an annular partition (8); and the inner wall of the bottom end of the dish cover (3) is provided with a conical groove (9).
5. A culture dish for microbiological testing according to claim 4, characterized in that: The inner wall of the bottom end of the dish cover (3) located at the conical groove (9) is provided with strip grooves (10) at equal intervals around the bottom end, and the ends of the strip grooves (10) are located directly above the separation part between the annular partition (8) and the dish body (2).
6. A culture dish for microbiological testing according to claim 1, characterized in that: The portable installation mechanism comprises a resistance groove (11), a placement groove (12) and a support block (13); the top outer wall of the dish body (2) is symmetrically provided with the resistance groove (11); the bottom outer wall of the dish cover (3) is symmetrically provided with the placement groove (12); and the support block (13) is slidably installed inside the placement groove (12).
7. A culture dish for microbiological testing according to claim 6, characterized in that: A compression spring (14) is connected between the support block (13) and the inner wall of the bottom end of the placement groove (12); a convex block is provided on the outer wall of the side of the support block (13), and the convex block is connected to the limiting button block (15).
8. A culture dish for microbiological testing according to claim 7, characterized in that: The limiting button block (15) is slidably connected to the side outer wall of the dish cover (3); the bottom outer wall of the support block (13) is provided with a resisting column (16), and the resisting column (16) and the resisting groove (11) are snap-fitted.
