CN218646962U - Detection tool for multi-tube fermentation method - Google Patents
Detection tool for multi-tube fermentation method Download PDFInfo
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- CN218646962U CN218646962U CN202222884029.3U CN202222884029U CN218646962U CN 218646962 U CN218646962 U CN 218646962U CN 202222884029 U CN202222884029 U CN 202222884029U CN 218646962 U CN218646962 U CN 218646962U
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Abstract
The utility model discloses a detection apparatus for multitube fermentation method, including first test tube and second test tube, the inside bracket component that is equipped with of first test tube, the bracket component includes the support frame, the support frame includes the bracing piece that is two at least, the bracing piece lower part is equipped with protruding muscle, many bracing pieces pass through annular circle and connect, second test tube opening sets up down, the second test tube is located the protruding muscle upper portion of tip butt of opening part, annular snare is established in the second test tube outside, first test tube upper portion lid has closed the closing cap, the closing cap surface is equipped with a plurality of bleeder vents, support frame upper portion is connected with the poker rod, poker rod upper portion is worn out closing cap upper portion. The utility model discloses a set up the bracket component and can carry on spacingly to the second test tube, prevent that the second test tube from empting in first test tube is inside, the judgement of the second in vitro product circumstances of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the instrument technique and specifically relates to a detect apparatus for multitube fermentation method is related to.
Background
The coliform group is a gram negative non-bacillus which can ferment lactose and produce acid and gas, aerobe or facultative anaerobe, the coliform group is cultured by a multi-tube fermentation method and can be used for detecting mineral water source or mineral water which is directly drunk, the multi-tube fermentation method is that a small inverted test tube is placed in the large test tube, and culture solution (liquid containing lactose and water sample to be detected) is added in the large test tube, the small test tube is totally soaked in the culture solution, if the water sample contains the coliform group, air bubbles are generated in the small test tube, whether the mineral water source or the mineral water which is directly drunk meets the requirements is judged by observing the gas production condition in the small test tube, the test method is described in GB 8538-2022 natural mineral water drinking inspection method, the specification of the large test tube used in the national standard is 150mmX20mm, 140mmX15mm and 200mmX35mm, the specification of the small test tube is 30mmX6mm and 13mmX100mm, but when the small test tube with the specification of 30mmX6mm is placed in the large test tube with the specification of 200mmX35mm, the small test tube can not be directly used for detecting the small test tube, so that the small test tube can not be directly poured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a detection apparatus for multitube fermentation method, can carry on spacingly to the second test tube through setting up the bracket component, prevent that the second test tube from empting in first test tube is inside, the judgement of the second in vitro product gas condition of being convenient for.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a detection apparatus for multitube fermentation method, includes first test tube and second test tube, the inside bracket component that is equipped with of first test tube, the bracket component includes the support frame, the support frame includes the bracing piece that is two at least, the bracing piece lower part is equipped with protruding muscle, many the bracing piece passes through annular circle and connects, second test tube opening sets up down, the second test tube is located the protruding muscle upper portion of tip butt of opening part, annular snare is established in the second test tube outside, first test tube upper portion lid has closed the closing cap, the closing cap surface is equipped with a plurality of bleeder vents, support frame upper portion is connected with the poker rod, poker rod upper portion wears out closing cap upper portion.
The bracket component includes the locating part, the locating part can reciprocate along the bracing piece for the open-ended one end is kept away from to the butt or breaks away from the second test tube.
The locating part includes gag lever post and screw thread portion, the gag lever post sub-unit connection has the stopper, the stopper can the butt or break away from the second test tube, the support frame includes the second and connects the platform, the gag lever post runs through the second and connects the platform, second connection bench portion is equipped with the thread bush, screw thread portion is located the second and connects bench side and can with thread bush threaded connection.
The lower part of the second connecting platform is provided with a guide sleeve, and the limiting rod penetrates through the guide sleeve.
And a handle is arranged at the upper end of the limiting rod.
The utility model discloses a ball-shaped body, including bracing piece, spliced pole, seal cover, poking rod, spheroid butt seal cover, bracing piece upper end is connected with first joint table, first joint table upper portion is equipped with the spliced pole, the seal cover includes the through-hole, the spliced pole upper end runs through the through-hole, the poking rod lower extreme is equipped with the spheroid, spheroid butt seal cover upper surface, spliced pole and spheroid threaded connection.
The upper surface of the sealing cover is an inverted conical surface, and the spherical body is abutted to the surface of the conical surface.
The lower part of the sealing cover is provided with an annular rib, and the annular rib is inserted into the inner wall of the first test tube.
The beneficial effects of the utility model are that: can carry on spacingly to the second test tube through setting up protruding muscle and annular ring, can fix the bracket component in first test tube through setting up the closing cap, through setting up a plurality of bleeder vents, not only can discharge first in vitro and produce gas, can also prevent as far as possible that external dust from getting into in first test tube when detecting.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is a schematic view of a bracket assembly;
fig. 6 is an enlarged view of fig. 5 at D.
In the figure: first test tube 1, bracket component 2, support frame 3, bracing piece 31, protruding muscle 32, annular ring 33, first joint platform 34, spliced pole 35, second joint platform 36, thread bush 37, uide bushing 38, locating part 4, gag lever post 41, screw thread portion 42, handle 43, stopper 5, poker rod 6, spheroid 62, second test tube 7, closing cap 8, annular muscle 81, through-hole 82, conical surface 83, bleeder vent 84.
Detailed Description
The invention will be further described with reference to the following drawings and detailed description:
in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or unit 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.
As shown in fig. 1 to 6, a detection tool for a multi-tube fermentation method comprises a first test tube 1 and a second test tube 7, wherein the specification of the first test tube 1 is 200mmX35mm, the specification of the second test tube 7 is 30mmX6mm, a bracket assembly 2 is arranged inside the first test tube 1, the bracket assembly 2 comprises a support frame 3, the support frame 3 comprises at least two support rods 31, a convex rib 32 is arranged on the lower portion of each support rod 31, the support rods 31 are connected through an annular ring 33, the opening of the second test tube 7 is arranged downwards, the end portion of the second test tube 7 located at the opening is abutted to the upper portion of the convex rib 32, the annular ring 33 is sleeved outside the second test tube 7, a sealing cover 8 covers the upper portion of the first test tube 1, a plurality of air holes 84 are arranged on the surface of the sealing cover 8, the upper portion of the support frame 3 is connected with a poking rod 6, and the upper portion of the poking rod 6 penetrates through the upper portion of the sealing cover 8;
during the inspection, the culture solution is poured into the first test tube 1, the second test tube 7 is arranged on the bracket component 2 with the opening facing downwards, the bracket component 2 is inserted into the first test tube 1, so that the second test tube 7 is completely soaked in the culture solution, the second test tube 7 is filled with liquid, and the inspection is carried out by observing the gas production condition in the second test tube 7, wherein the specific inspection method is described in GB 8538-2022 inspection method for drinking natural mineral water.
Can carry on spacingly to second test tube 7 through setting up protruding muscle 32 and annular circle 33, can fix bracket component 2 in first test tube 1 through setting up closing cap 8, through setting up a plurality of bleeder vents 84, not only can discharge in the first test tube 1 and produce gas, can also prevent as far as possible that external dust from getting into in the first test tube 1 when examining.
The support assembly 2 includes a limiting part 4, the limiting part 4 can move up and down along the support rod 31 for the butt or break away from the open-ended one end of second test tube 7, specifically do, the limiting part 4 includes gag lever post 41 and screw thread portion 42, gag lever post 41 sub-unit connection has a stopper 5, stopper 5 can butt or break away from second test tube 7, support frame 3 includes second connection platform 36, gag lever post 41 runs through second connection platform 36, second connection platform 36 upper portion is equipped with thread bush 37, screw thread portion 42 is located second connection platform 36 top and can with thread bush 37 threaded connection, before installing second test tube 7, with locating part 4 rebound for stopper 5 is close to second connection platform 36, installs second test tube 7 this moment, and after second test tube 7 position installation finishes, gag lever post 41 moves down, and when screw thread portion 42 butt thread bush 37, screw in thread portion 37 is twisted to stopper 42 is twisted downwards, and stopper 5 descends butt second test tube 7 upper portion simultaneously, thereby has improved second test tube 7's fixed reliability greatly, is convenient for the gas production condition is observed better.
The guide sleeve 38 is arranged on the lower portion of the second connecting table 36, the limiting rod 41 penetrates through the guide sleeve 38, as can be seen from fig. 5, the limiting rod 41 is in a slender shape, and the guide sleeve 38 can guide the limiting rod 41 so as to facilitate fixing of the second test tube 7.
The upper end of the limiting rod 41 is provided with a handle 43, and the limiting part 4 can rotate conveniently by arranging the handle 43.
The upper surface of the cover 8 is an inverted conical surface 83, the spherical body 61 abuts against the surface of the conical surface 83, and the spherical body 61 and the conical surface 83 are matched with each other, so that the cover can be timely reset when the support assembly 2 stops swinging.
8 lower parts of closing cap are equipped with annular muscle 81, annular muscle 81 inserts first test tube 1 inner wall, through the aforesaid setting, the fixed of closing cap 8 of being convenient for.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A detection tool for a multi-tube fermentation method is characterized in that: including first test tube (1) and second test tube (7), first test tube (1) inside is equipped with bracket component (2), bracket component (2) are including support frame (3), support frame (3) are including at least bracing piece (31) for two, bracing piece (31) lower part is equipped with protruding muscle (32), many bracing piece (31) are connected through annular ring (33), second test tube (7) opening sets up down, second test tube (7) are located the protruding muscle of tip butt (32) upper portion of opening part, annular ring (33) cover is established in the second test tube (7) outside, first test tube (1) upper portion lid has closed closing cap (8), closing cap (8) surface is equipped with a plurality of bleeder vents (84), support frame (3) upper portion is connected with dials (6), closing cap (8) upper portion is worn out to dial pole (6) upper portion.
2. The detecting tool for the multi-tube fermentation method as set forth in claim 1, wherein: bracket component (2) include locating part (4), locating part (4) can reciprocate along bracing piece (31) for the open-ended one end is kept away from in butt or break away from second test tube (7).
3. The detecting tool for a multi-tube fermentation method according to claim 2, wherein: locating part (4) include gag lever post (41) and screw thread portion (42), gag lever post (41) sub-unit connection has stopper (5), stopper (5) can the butt or break away from second test tube (7), support frame (3) are including second connection platform (36), gag lever post (41) run through second connection platform (36), second connection platform (36) upper portion is equipped with thread bush (37), screw thread portion (42) are located second connection platform (36) top and can with thread bush (37) threaded connection.
4. The detecting tool for a multi-tube fermentation method according to claim 3, wherein: the lower part of the second connecting table (36) is provided with a guide sleeve (38), and the limiting rod (41) penetrates through the guide sleeve (38).
5. The detecting tool for the multi-tube fermentation method as set forth in claim 3, wherein: and a handle (43) is arranged at the upper end of the limiting rod (41).
6. The detecting tool for a multi-tube fermentation method according to claim 1, wherein: bracing piece (31) upper end is connected with first joint block (34), first joint block (34) upper portion is equipped with spliced pole (35), closing cap (8) are including through-hole (82), spliced pole (35) upper end runs through-hole (82), poker rod (6) lower extreme is equipped with spherical body (61), spherical body (61) butt closing cap (8) upper surface, spliced pole (35) and spherical body (61) threaded connection.
7. The detecting tool for the multi-tube fermentation method as claimed in claim 6, wherein: the upper surface of the cover (8) is an inverted conical surface (83), and the spherical body (61) abuts against the surface of the conical surface (83).
8. The detecting tool for a multi-tube fermentation method according to claim 1, wherein: the lower part of the sealing cover (8) is provided with an annular rib (81), and the annular rib (81) is inserted into the inner wall of the first test tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884029.3U CN218646962U (en) | 2022-10-31 | 2022-10-31 | Detection tool for multi-tube fermentation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884029.3U CN218646962U (en) | 2022-10-31 | 2022-10-31 | Detection tool for multi-tube fermentation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218646962U true CN218646962U (en) | 2023-03-17 |
Family
ID=85496461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222884029.3U Active CN218646962U (en) | 2022-10-31 | 2022-10-31 | Detection tool for multi-tube fermentation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218646962U (en) |
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2022
- 2022-10-31 CN CN202222884029.3U patent/CN218646962U/en active Active
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