Coliform group detection device

Abstract

The utility model provides a coliform group detection device which comprises a base, a detection tube fixedly mounted at the top end of the base, an observation window fixedly mounted at the front end of the detection tube, a culture tube mounted at the top end of the detection tube, bottom plates fixedly mounted on two sides of the bottom end in the culture tube, and a feeding tube mounted at the bottom end in the culture tube and positioned below a baffle, a micro motor is started to drive a rotating rod to rotate, so that stirring blades are driven to rotate to uniformly stir flora, the detection accuracy is improved, a convex block is aligned with a groove, so that a clamping block is contracted under the action of a reset spring and then is clamped with a clamping hole, and the culture tube and the detection tube are connected; the manual rotating disc is rotated to drive the screw rod to move outwards under the action of the internal thread groove, meanwhile, the baffle is driven to move rightwards to enable the feeding pipe to be smooth, flora can be directly discharged into the detection pipe from the culture pipe, pollution to the outside is avoided, the concentration of the flora can be visually observed through the observation window, and practicability is high.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of coliform group detection, in particular to a coliform group detection device. Background Art

[0002] Coliform bacteria refer to a group of Gram-negative, non-spore-forming rods that can ferment lactose, produce acid and gas, and are aerobic and facultatively anaerobic. By detecting the coliform bacteria in tableware, it is possible to characterize whether the tableware is contaminated. Most of the existing device detection methods use multi-tube measurement methods, and the detection steps are cumbersome, which increases the workload and the use of reagents. In addition, the sampling tools are more likely to be contaminated with bacterial liquid and pollute the environment. Therefore, we propose a coliform bacteria detection device. Utility Model Content

[0003] The utility model mainly provides a coliform bacteria detection device to solve the technical problems raised in the above background technology.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A coliform group detection device comprises a base, a detection tube is fixedly installed on the top of the base, an observation window is fixedly installed on the front end of the detection tube, a scale line is fixedly installed on one side of the observation window, a plurality of bacteria concentration relationship tables with equal distance distribution are fixedly installed on one side of the front end of the detection tube, a culture tube is installed on the top of the detection tube, a bottom plate is fixedly installed on both sides of the bottom end of the culture tube, an internal thread groove is fixedly opened on the inner side of the bottom plate, a screw is installed on the internal thread groove, a baffle is installed on one end of the screw, a manual turntable is fixedly installed on the other end of the screw and extends to the outside of the culture tube, and a feed tube is installed at the bottom end of the culture tube and below the baffle.

[0006] Furthermore, a top cover is installed on the top of the culture tube, a protective cover is fixedly installed on the top of the top cover, a micro motor is installed inside the protective cover, a rotating rod is installed at the output end of the micro motor and extends to the inside of the culture tube, and a plurality of stirring blades equidistantly distributed are fixedly installed on the rotating rod.

[0007] Furthermore, mounting blocks are fixedly installed on both sides of the top of the detection tube, a groove is fixedly opened on the top of the mounting block, a clamping hole is fixedly opened on the outer side of the mounting block, and fixing blocks are fixedly installed on both sides of the bottom end of the culture tube, a protrusion is fixedly installed on the bottom end of the fixing block, a groove is fixedly opened on one end of the outer side of the protrusion, a reset spring is installed in the groove, and a clamping block is fixedly installed on one end of the reset spring away from the inner wall of the protrusion.

[0008] Furthermore, the screw is threadedly connected to the internal thread groove, one end of the screw is rotationally connected to one end of the baffle, the baffle is movably connected to the internal thread groove, and the baffle is fit-connected to the bottom plate.

[0009] Furthermore, the feed pipe is connected to the inside of the detection tube.

[0010] Furthermore, the protrusion is matched with the groove, and the protrusion is fixed by clamping the clamping block and the clamping hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model starts a micro-motor to drive the rotating rod to rotate, thereby driving the stirring blade to rotate to stir the bacterial colony evenly, thereby improving the accuracy of detection; the convex block is aligned with the groove so that the clamping block contracts under the action of the reset spring and is clamped with the clamping hole to complete the connection between the culture tube and the detection tube; the manual turntable is rotated to drive the screw rod to move outward under the action of the internal thread groove, and at the same time drives the baffle to move to the right to make the feed tube unobstructed, so that the bacterial colony can be directly discharged from the culture tube into the detection tube to avoid pollution to the outside world; the concentration of the bacterial colony can be intuitively viewed through the observation window, and the utility model has strong practicality.

[0013] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of the utility model when viewed from the front;

[0017] Figure 4 It is an enlarged view of the A area of ​​the utility model;

[0018] Figure 5 It is an enlarged view of area B of the present utility model.

[0019] In the figure: 1. base; 2. detection tube; 3. observation window; 4. scale line; 5. bacteria concentration relationship table; 6. mounting block; 7. groove; 8. snap-in hole; 9. culture tube; 10. fixing block; 11. bump; 12. slot; 13. reset spring; 14. snap-in block; 15. top cover; 16. protective cover; 17. micro motor; 18. rotating rod; 19. stirring blade; 22. bottom plate; 23. internal thread groove; 24. screw; 25. baffle; 26. manual turntable; 27. feed pipe. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0021] For examples, please refer to the attached Figure 1-5 As shown, a coliform bacteria detection device comprises a base 1, a detection tube 2 is fixedly installed on the top of the base 1, an observation window 3 is fixedly installed on the front end of the detection tube 2, a scale line 4 is fixedly installed on one side of the observation window 3, a plurality of bacteria concentration relationship tables 5 with equal spacing are fixedly installed on one side of the front end of the detection tube 2, a culture tube 9 is installed on the top of the detection tube 2, a bottom plate 22 is fixedly installed on both sides of the bottom end of the culture tube 9, an internal thread groove 23 is fixedly opened on the inner side of the bottom plate 22, a screw 24 is installed on the internal thread groove 23, and the screw 2 A baffle 25 is installed at one end of the screw 24, a manual turntable 26 is fixedly installed at the other end of the screw 24 and extends to the outside of the culture tube 9, a feed pipe 27 is installed at the bottom end of the culture tube 9 and below the baffle 25, the screw 24 is threadedly connected with the internal thread groove 23, one end of the screw 24 is rotatably connected with one end of the baffle 25, the baffle 25 is movably connected with the internal thread groove 23, and the baffle 25 is fitted and connected with the bottom plate 22, the feed pipe 27 is connected with the inside of the detection tube 2, and the concentration of the bacterial flora can be visually viewed through the observation window 3, which is highly practical.

[0022] Among them, a top cover 15 is installed on the top of the culture tube 9, a protective cover 16 is fixedly installed on the top of the top cover 15, a micro motor 17 is installed inside the protective cover 16, and a rotating rod 18 is installed at the output end of the micro motor 17 and extends to the inside of the culture tube 9. A number of stirring blades 19 distributed at equal intervals are fixedly installed on the rotating rod 18. By starting the micro motor 17 to drive the rotating rod 18 to rotate, the stirring blades 19 are driven to rotate to stir the bacterial flora evenly, thereby improving the accuracy of detection.

[0023] Among them, mounting blocks 6 are fixedly installed on both sides of the top of the detection tube 2, a groove 7 is fixedly opened on the top of the mounting block 6, and a clamping hole 8 is fixedly opened on the outside of the mounting block 6. Fixed blocks 10 are fixedly installed on both sides of the bottom of the culture tube 9, and a protrusion 11 is fixedly installed on the bottom of the fixing block 10. A groove 12 is fixedly opened at one end of the outer side of the protrusion 11, and a reset spring 13 is installed inside the groove 12. A clamping block 14 is fixedly installed at one end of the reset spring 13 away from the inner wall of the protrusion 11, and the protrusion 11 is connected to the groove 7. The culture tube 9 and the detection tube 2 are connected by the manual turntable 26. The screw 24 is moved outward under the action of the internal thread groove 23, and the baffle 25 is moved to the right to make the feed tube 27 unobstructed. The bacterial flora can be directly discharged from the culture tube 9 into the detection tube 2 to avoid contamination to the outside.

[0024] The specific operation mode of the utility model is as follows:

[0025] First, the test personnel open the top cover 15, pour the lauryl sulfate tryptone broth culture medium into the inner cavity of the culture tube 9, close the top cover 15, put the culture tube 9 into high-pressure steam sterilization for standby use, and then open the top cover 15 in a sterile manner, add part of the sample to be tested into the inner cavity of the culture tube 9, cover the top cover 15, start the micro motor 17 to drive the rotating rod 18 to rotate, thereby driving the stirring blade 19 to rotate to stir the bacterial flora evenly, and put it into the incubator for culturing for 24 hours. When testing, open the test tube 2, add o-nitrophenyl β-D-galactoside into the inner cavity of the test tube 2, and align the protrusion 11 with the groove 7 so that the clamping block 14 is in the reset spring 13 , and then it contracts under the action of the clamping hole 8 to complete the connection between the culture tube 9 and the detection tube 2. The screw 24 is driven to move outward under the action of the internal thread groove 23 by rotating the manual turntable 26, and at the same time, the baffle 25 is driven to move to the right to make the feeding tube 27 unobstructed. The culture liquid in the culture tube 9 enters the detection tube 2 through the feeding tube 27. After adding a certain amount of culture liquid, the manual turntable 26 is rotated in the opposite direction to seal and close the feeding tube 27, and shake it evenly. After standing still for a period of time, the color of the sample in the inner cavity of the detection tube 2 is observed through the observation window 3, and compared with the bacteria concentration relationship table 5, the corresponding concentration of coliform bacteria can be obtained. The detection and observation are more convenient and the sample is prevented from polluting the environment.

[0026] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A coliform bacteria detection device, comprising a base (1), characterized in that: A detection tube (2) is fixedly mounted on the top of the base (1), an observation window (3) is fixedly mounted on the front end of the detection tube (2), a scale line (4) is fixedly mounted on one side of the observation window (3), a plurality of bacteria concentration relationship tables (5) that are equidistantly distributed are fixedly mounted on one side of the front end of the detection tube (2), a culture tube (9) is mounted on the top of the detection tube (2), a bottom plate (22) is fixedly mounted on both sides of the bottom end of the culture tube (9), an internal thread groove (23) is fixedly opened on the inner side of the bottom plate (22), a screw (24) is mounted on the internal thread groove (23), a baffle (25) is mounted on one end of the screw (24), a manual turntable (26) is fixedly mounted on the other end of the screw (24) and extends to the outside of the culture tube (9), and a feed pipe (27) is mounted on the bottom end of the culture tube (9) and below the baffle (25).

2. A coliform bacteria detection device according to claim 1, characterized in that: A top cover (15) is installed at the top of the culture tube (9), a protective cover (16) is fixedly installed at the top of the top cover (15), a micro motor (17) is installed inside the protective cover (16), a rotating rod (18) is installed at the output end of the micro motor (17) and extends to the inside of the culture tube (9), and a plurality of stirring blades (19) are fixedly installed on the rotating rod (18) and are distributed at equal distances.

3. A coliform bacteria detection device according to claim 1, characterized in that: The left and right sides of the top of the detection tube (2) are fixedly installed with mounting blocks (6), the top of the mounting block (6) is fixedly provided with a groove (7), the outer side of the mounting block (6) is fixedly provided with a snap-in hole (8), the left and right sides of the bottom of the culture tube (9) are fixedly installed with fixing blocks (10), the bottom of the fixing block (10) is fixedly provided with a protrusion (11), one end of the outer side of the protrusion (11) is fixedly provided with a groove (12), a reset spring (13) is installed inside the groove (12), and one end of the reset spring (13) away from the inner wall of the protrusion (11) is fixedly provided with a snap-in block (14).

4. A coliform bacteria detection device according to claim 1, characterized in that: The screw rod (24) is threadedly connected to the internal thread groove (23), one end of the screw rod (24) is rotationally connected to one end of the baffle plate (25), the baffle plate (25) is movably connected to the internal thread groove (23), and the baffle plate (25) is fittedly connected to the bottom plate (22).

5. The coliform bacteria detection device according to claim 1, characterized in that: The feed pipe (27) is connected to the interior of the detection tube (2).

6. A coliform bacteria detection device according to claim 3, characterized in that: The protrusion (11) matches the groove (7), and the protrusion (11) is fixedly connected with the clamping hole (8) via a clamping block (14).

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