Coliform group determination test tube fixing device

By designing a test tube fixing device for coliform bacterial measurement including a fixed base and a movable fixing scaffold, the problem of frequent pick-up and release of test tubes in the prior art is solved, and the measurement efficiency is improved.

CN222829694UActive Publication Date: 2025-05-06CENT TESTING INT (NINGBO) CO LTD +1
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Patent Information

Application Number
CN202421328364.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-05-06
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

In coliform bacterial measurement tests, the prior art needs to take out and put back into the test tube one by one, resulting in insufficiency of measurement.

Method used

A test tube fixing device for coliform determination is designed, including a fixing base and a plurality of movable fixing brackets, each fixing bracket is provided with multiple fixed positions, and the bracket can be moved independently to the fixed area or the observation area.

Benefits of technology

Through this device, multiple test tubes of the same concentration can be fixed on the same scaffold together, reducing the steps of picking and putting the test tubes one by one, and improving the observation efficiency and measurement efficiency.

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Abstract

The utility model provides a coliform group determination test tube fixing device which comprises a fixing base and a plurality of fixing supports, the fixing supports are provided with a plurality of fixing clamping positions used for fixing a plurality of determination test tubes in a one-to-one correspondence mode, and the fixing supports are movably arranged on the fixing base. Respectively moving to a corresponding fixing area for fixing a plurality of corresponding measuring test tubes in batches, or moving to a corresponding observing area for observing the plurality of corresponding measuring test tubes in batches, and arranging the plurality of measuring test tubes with the same concentration in each fixing clamping position of the same fixing bracket; therefore, after the corresponding fixed bracket with the corresponding concentration is moved from the corresponding fixed area to the corresponding observation area for observation and recording, the corresponding fixed bracket is moved from the corresponding observation area to the corresponding fixed area; therefore, the convenience of observing the color change condition of the measured sample in each measuring test tube under each same concentration and further sampling and analyzing is improved, and the measuring efficiency is effectively improved.
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Description

Technical Field

[0001] The present application belongs to the technical field of water quality detection, and more specifically, relates to a coliform group determination test tube fixing device. Background Art

[0002] Based on the standard requirements, when measuring the concentration of coliform group in water quality by multiple tube fermentation method, the test samples need to be diluted in each test tube with culture matrix according to gradient concentration, and then the color change of the test samples in each test tube at the same concentration is observed and recorded, so as to complete the subsequent measurement test according to the recorded data.

[0003] In the above-mentioned test operation process, the test tubes at each gradient concentration are mostly fixed centrally by the test tube holder. Since there are obstructions between the test tubes and between the test tubes and the test tube holder, each time the color change of the test samples in each test tube at the same concentration needs to be observed, the operator needs to take out multiple test tubes corresponding to the same concentration from the test tube holder one by one, observe and record, and then put the multiple test tubes corresponding to the same concentration back to the test tube holder one by one. This taking and placing method is relatively time-consuming and labor-intensive, especially when the amount of test samples is large and the number of test tubes is large, which affects the measurement efficiency. Utility Model Content

[0004] The purpose of the present application is to provide a coliform group determination test tube fixing device, which aims to solve the problem that each time the color change of the determination sample in each determination test tube at the same concentration needs to be observed, the operator needs to take out multiple determination test tubes corresponding to the same concentration from the test tube rack one by one, observe and record them, and then put the multiple determination test tubes corresponding to the same concentration back to the test tube rack one by one, which affects the determination efficiency.

[0005] To achieve the above-mentioned purpose, the technical solution adopted in the present application is to provide a coliform group determination test tube fixing device, characterized in that it includes a fixed base and a plurality of fixed brackets, the fixed brackets are provided with a plurality of fixed clamping positions for fixing a plurality of determination test tubes in a one-to-one correspondence, and each fixed bracket is movably arranged on the fixed base to move to a corresponding fixed area for batch fixing a corresponding plurality of determination test tubes, or to a corresponding observation area for batch observing a corresponding plurality of determination test tubes.

[0006] In one embodiment, the fixed base is provided with a plurality of first guide units, the fixed bracket is provided with a second guide unit, and each first guide unit is adapted to each second guide unit of the plurality of fixed brackets in a one-to-one correspondence to form a movable connection.

[0007] In one of the embodiments, a plurality of first guide units are equidistantly provided on the top of the fixed base along the first direction, a plurality of fixed positions are provided along the second direction for fixing a plurality of test tubes in a one-to-one correspondence, and a second guide unit is provided at the bottom of the fixed bracket, each first guide unit is adapted to each second guide unit in a one-to-one correspondence along the second direction to form a movable connection, and each first guide unit is adapted to each second guide unit in a one-to-one correspondence along the third direction to form a limiting connection, wherein the first direction and the second direction are perpendicular to each other along the horizontal plane, and the third direction is perpendicular to the first direction and the second direction along the vertical plane.

[0008] In one embodiment, the first guide unit includes a first connecting structure arranged at the top of the fixed base and extending along the second direction, and a first limiting structure arranged on the first connecting structure and extending along the second direction. The second guide unit includes a second connecting structure arranged at the bottom of the fixed bracket and extending along the second direction, and a second limiting structure arranged on the second connecting structure and extending along the second direction. Each first connecting structure is adapted to each second connecting structure in a one-to-one correspondence along the second direction to form a movable connection. Each first limiting structure is adapted to each second limiting structure in a one-to-one correspondence along the second direction to form a movable connection. Moreover, each first limiting structure is adapted to each second limiting structure in a one-to-one correspondence along the third direction to form a limiting connection.

[0009] In one embodiment, the fixed base is supported on the working platform, the fixed bracket is supported on the fixed base and the working platform, one end of the fixed base along the second direction has abutting end for abutting each fixed bracket, and the other end has a avoiding end for avoiding each fixed bracket, so that the corresponding fixed bracket located in the corresponding fixed area moves along the abutting end toward the avoiding end to the corresponding observation area, or the corresponding fixed bracket located in the corresponding observation area moves along the avoiding end toward the abutting end to the corresponding fixed area.

[0010] In one embodiment, the fixed bracket includes a fixed bottom plate, a fixed top plate and a connecting side plate. The fixed bottom plate and the fixed top plate are arranged relative to each other at intervals along a third direction. The connecting side plate is connected between the fixed bottom plate and the fixed top plate along the third direction. A second connecting structure extending along a second direction is provided on a side of the fixed bottom plate facing away from the fixed top plate. A plurality of fixing slots are provided on a side of the fixed bottom plate facing the fixed top plate at equal intervals along the second direction. A plurality of fixing through holes are provided on the fixed top plate at equal intervals along the second direction. The plurality of fixing slots correspond to the plurality of fixing through holes one by one and are opposite to each other to form a plurality of fixed positions arranged at equal intervals along the second direction.

[0011] In one embodiment, the first connection structure is a connection convex rail, and the corresponding second connection structure is a connection groove, or the first connection structure is a connection groove, and the corresponding second connection structure is a connection convex rail; and

[0012] The first limiting structure is a limiting prism, and the corresponding second limiting structure is a limiting groove, or the first limiting structure is a limiting groove, and the corresponding second limiting structure is a limiting prism.

[0013] In one of the embodiments, the coliform group determination test tube fixing device includes 3N fixed brackets, a fixed bottom plate of the fixed bracket is provided with 5 fixed slots equidistantly along the second direction, a fixed top plate of the fixed bracket is provided with 5 fixed through holes equidistantly along the second direction, and the 5 fixed slots and the 5 fixed through holes correspond one-to-one to form 5 fixed positions equidistantly arranged along the second direction, wherein N is a positive integer.

[0014] The beneficial new effect of the coliform group determination test tube fixing device provided by the present application is that, compared with the prior art, the coliform group determination test tube fixing device comprises a fixing base and a plurality of fixing brackets, the fixing brackets are provided with a plurality of fixing positions for fixing a plurality of determination test tubes in a one-to-one correspondence, and each fixing bracket is movably arranged on the fixing base to be moved to a corresponding fixing area for batch fixing of a corresponding plurality of determination test tubes, or to a corresponding observation area for batch observing a corresponding plurality of determination test tubes, so that a plurality of determination test tubes with the same concentration can be set together in each fixing position of the same fixing bracket, thereby making it possible to When observing the color change of the test samples in each test tube at the same concentration, it is only necessary to move the corresponding fixed bracket of the corresponding concentration from the corresponding fixed area to the corresponding observation area for observation and recording, and then move the corresponding fixed bracket from the corresponding observation area to the corresponding fixed area. It can be seen that the above operation process omits the steps of taking out multiple test tubes corresponding to the same concentration from the test tube bracket one by one, and then putting the multiple test tubes corresponding to the same concentration back into the test tube bracket one by one, thereby improving the convenience of observing the color change of the test samples in each test tube at the same concentration, and effectively improving the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 A schematic diagram of a top view of a fixed bracket located in a fixed area of ​​a coliform group determination test tube fixing device provided in an embodiment of the present application;

[0017] Figure 2 for Figure 1 A schematic diagram of a top view of a structure in which a fixing bracket of a coliform group determination test tube fixing device is located in an observation area;

[0018] Figure 3 for Figure 1 The schematic diagram of the main structure of the coliform group determination test tube fixing device shown;

[0019] Figure 4 for Figure 2 The schematic diagram of the main structure of the coliform group determination test tube fixing device shown;

[0020] Figure 5 for Figure 1 The exploded structural schematic diagram of the connection relationship between the first guide unit and the second guide unit in the coliform group determination test tube fixing device is shown.

[0021] In the figure: 10, coliform group determination test tube fixing device; 100, fixed base; 101, abutment end; 102, avoidance end; 110, first guide unit; 112, first connecting structure; 114, first limiting structure; 200, fixed bracket; 201, fixed position; 210, fixed bottom plate; 212, fixed slot; 214, second guide unit; 216, second connecting structure; 218, second limiting structure; 220, fixed top plate; 222, fixed through hole; 230, connecting side plate. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] Please also read Figure 1 , Figure 2 , Figure 3 and Figure 4 , the coliform group determination test tube fixing device 10 provided in an embodiment of the present application is now described. The coliform group determination test tube fixing device 10 comprises a fixing base 100 and a plurality of fixing brackets 200, wherein each fixing bracket 200 is provided with a plurality of fixing positions 201 for fixing a plurality of determination test tubes (not shown in the figure) in a one-to-one correspondence, and each fixing bracket 200 is movably arranged on the fixing base 100, so as to independently move each fixing bracket 200 to a corresponding fixing area ( Figure 1 Each fixed support 200 is located in a corresponding fixed area), or is independently moved to a corresponding observation area ( Figure 2 A fixing bracket 200 is located in the corresponding observation area).

[0027] The beneficial effect of the coliform group determination test tube fixing device 10 provided in the present application is that, compared with the prior art, when the above-mentioned coliform group determination test tube fixing device 10 fixes multiple determination test tubes containing determination samples of different concentrations, multiple determination test tubes with the same concentration can be set together in the fixed positions 201 of the same fixing bracket 200, so that when it is necessary to observe the color change of the determination samples in each determination test tube at each same concentration, it is only necessary to move the corresponding fixed bracket 200 of the corresponding concentration from the corresponding fixed area to the corresponding observation area for observation and recording, and then move the corresponding fixed bracket 200 from the corresponding observation area to the corresponding fixed area. It can be seen that in the above-mentioned operation process, the operating steps of taking out the multiple determination test tubes with the same concentration one by one from the test tube bracket and then putting the multiple determination test tubes with the same concentration one by one back into the test tube bracket are omitted, thereby improving the convenience of observing the color change of the determination samples in each determination test tube at each same concentration, and effectively improving the determination efficiency.

[0028] Please also read Figure 2 and Figure 5In this embodiment, the fixed base 100 is provided with a plurality of first guide units 110, and each fixed bracket 200 is provided with a second guide unit 214. Each first guide unit 110 is adapted to form a movable connection with each second guide unit 214 of the plurality of fixed brackets 200 in a one-to-one correspondence, so that each fixed bracket 200 can independently move from a corresponding fixed area to a corresponding observation area, or independently move from a corresponding observation area to a corresponding fixed area through the cooperation of the corresponding first guide unit 110 and the corresponding second guide unit 214.

[0029] Furthermore, combined with Figure 2 In this embodiment, a plurality of first guide units 110 are equidistantly provided at the top of the fixed base 100 along the first direction, a second guide unit 214 is provided at the bottom of each fixed bracket 200, each first guide unit 110 is adapted to form a movable connection with each second guide unit 214 of each fixed bracket 200 in a one-to-one correspondence along the second direction, and each first guide unit 110 is adapted to form a limit connection with each second guide unit 214 of each fixed bracket 200 in a one-to-one correspondence along the third direction, and each fixed bracket 200 is provided with a plurality of fixed clamping positions 201 for fixing a plurality of test tubes in a one-to-one correspondence along the second direction, wherein the first direction and the second direction are perpendicular to each other along the same horizontal plane, the third direction and the first direction are perpendicular to each other along the same vertical plane, and the third direction and the second direction are perpendicular to each other along the same vertical plane.

[0030] It should be noted that, in the present embodiment, the above-mentioned first guide units 110 and the second guide units 214 of the fixed brackets 200 are adapted one-to-one along the second direction to form a movable connection, and the first guide units 110 and the second guide units 214 of the fixed brackets 200 are adapted one-to-one along the third direction to form a limiting connection, so that each fixed bracket 200 can only be moved from the corresponding fixed area to the corresponding observation area along the second direction, or from the corresponding observation area to the corresponding fixed area along the second direction, while preventing each fixed bracket 200 from accidentally separating from the fixed base 100 along the third direction, causing the test tubes on the fixed bracket 200 to fall off, and each fixed bracket 200 is provided with a plurality of fixed clamping positions 201 for fixing a plurality of test tubes in a one-to-one manner along the second direction, so as to prevent the test tubes located at the fixed clamping positions 201 from blocking each other along the first direction when the corresponding fixed bracket 200 is located in the corresponding observation area, thereby facilitating the operator to batch observe the color change of the test samples of each test tube in the same fixed bracket 200 along the first direction.

[0031] Further, in the present embodiment, the first guide unit 110 includes a first connecting structure 112 provided at the top of the fixed base 100 and extending along the second direction, and a first limiting structure 114 provided on the first connecting structure 112 and extending synchronously along the second direction, and the second guide unit 214 includes a second connecting structure 216 provided at the bottom of the fixed bracket 200 and extending along the second direction, and a second limiting structure 218 provided on the second connecting structure 216 and extending synchronously along the second direction, wherein each first connecting structure 112 is adapted to correspond one-to-one with each second connecting structure 216 along the second direction to form a movable connection, each first limiting structure 114 is adapted to correspond one-to-one with each second limiting structure 218 along the second direction to form a movable connection, and each first limiting structure 114 is adapted to correspond one-to-one with each second limiting structure 218 along the third direction to form a limiting connection.

[0032] Specifically, in this embodiment, the above-mentioned first connecting structure 112 is a connecting convex rail, and the corresponding second connecting structure 216 is a connecting groove, or the first connecting structure 112 is a connecting groove, and the corresponding second connecting structure 216 is a connecting convex rail; the first limiting structure 114 is a limiting prism, and the corresponding second limiting structure 218 is a limiting groove, or the first limiting structure 114 is a limiting groove, and the corresponding second limiting structure 218 is a limiting prism.

[0033] More specifically, in this embodiment, the above-mentioned first connecting structure 112 is a connecting convex rail, the first limiting structure 114 is a limiting prism, and the first connecting structure 112 and the first limiting structure 114 are integrally formed, the corresponding second connecting structure 216 is a connecting groove, the second limiting structure 218 is a limiting groove, and the second connecting structure 216 and the second limiting structure 218 are integrally formed.

[0034] Furthermore, in the present embodiment, the above-mentioned fixed base 100 is supported on a working platform (not shown in the figure), and each fixed bracket 200 is supported on the fixed base 100 and the working platform, so that each fixed bracket 200 can always remain stable when it moves from the corresponding fixed area to the observation area along the second direction, or moves from the corresponding observation area to the fixed area along the second direction, and one end of the fixed base 100 along the second direction has a butting end 101 for butting against each fixed bracket 200 along the second direction, and the other end along the second direction has a avoiding end 102 for avoiding each fixed bracket 200 along the second direction, so that each fixed bracket 200 located in the corresponding fixed area can only move to the corresponding observation area along the butting end 101 toward the avoiding end 102, or each fixed bracket 200 located in the corresponding observation area can only move to the corresponding fixed area along the avoiding end 102 toward the butting end 101.

[0035] Further, in the present embodiment, each of the above-mentioned fixed brackets 200 includes a fixed bottom plate 210, a fixed top plate 220 and a connecting side plate 230. The fixed bottom plate 210 and the fixed top plate 220 are arranged relative to each other at intervals along the third direction, and the connecting side plates 230 are arranged in pairs at intervals along the second direction and are both connected between the fixed bottom plate 210 and the fixed top plate 220 along the third direction. The fixed bottom plate 210 is provided with a second connecting structure 216 extending along the second direction on a side facing away from the fixed top plate 220, and a supporting leg (not shown) for supporting the working platform. The fixed bottom plate 210 is provided with a plurality of fixed slots 212 equidistantly along the second direction on a side facing the fixed top plate 220, and the fixed top plate 220 is provided with a plurality of fixed through holes 222 equidistantly along the second direction. The plurality of fixed slots 212 correspond one-to-one to the plurality of fixed through holes 222 to form a plurality of fixed positions 201 equidistantly arranged along the second direction.

[0036] Specifically, in the present embodiment, the above-mentioned coliform group determination test tube fixing device 10 includes 3N fixed brackets 200, each fixed bottom plate 210 in each fixed bracket 200 is provided with 5 fixed slots 212 equidistantly opened along the second direction, each fixed top plate 220 in each fixed bracket 200 is provided with 5 fixed through holes 222 equidistantly opened along the second direction, and the 5 fixed slots 212 and the 5 fixed through holes 222 correspond one by one to form 5 fixed positions 201 equidistantly arranged along the second direction, wherein N is a positive integer, thereby meeting the testing requirements of the 15-tube method.

[0037] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A coliform group determination test tube fixing device, characterized in that: It includes a fixed base and multiple fixed brackets, the fixed brackets are provided with multiple fixed positions for fixing multiple test tubes in a one-to-one correspondence, and each of the fixed brackets is movably arranged on the fixed base to move to a corresponding fixed area for batch fixing a corresponding number of the test tubes, or to a corresponding observation area for batch observing a corresponding number of the test tubes.

2. The coliform group determination test tube fixing device according to claim 1, characterized in that: The fixed base is provided with a plurality of first guide units, the fixed bracket is provided with a second guide unit, and each of the first guide units is adapted to each of the second guide units of the plurality of fixed brackets in a one-to-one correspondence to form a movable connection.

3. The coliform group determination test tube fixing device according to claim 2, characterized in that: A plurality of first guide units are equidistantly arranged on the top of the fixed base along the first direction, a plurality of fixed clamping positions are arranged along the second direction for fixing a plurality of the test tubes in a one-to-one correspondence, and a second guide unit is provided at the bottom of the fixed bracket, each of the first guide units is adapted to each of the second guide units in a one-to-one correspondence along the second direction to form a movable connection, and each of the first guide units is adapted to each of the second guide units in a one-to-one correspondence along the third direction to form a limiting connection, wherein the first direction and the second direction are perpendicular to each other along a horizontal plane, and the third direction is perpendicular to the first direction and the second direction along a vertical plane.

4. The coliform group determination test tube fixing device according to claim 3, characterized in that: The first guide unit includes a first connecting structure arranged at the top of the fixed base and extending along the second direction, and a first limiting structure arranged on the first connecting structure and extending along the second direction. The second guide unit includes a second connecting structure arranged at the bottom of the fixed bracket and extending along the second direction, and a second limiting structure arranged on the second connecting structure and extending along the second direction. Each of the first connecting structures and each of the second connecting structures are adapted to form a movable connection in a one-to-one correspondence along the second direction, each of the first limiting structures and each of the second limiting structures are adapted to form a movable connection in a one-to-one correspondence along the second direction, and each of the first limiting structures and each of the second limiting structures are adapted to form a limiting connection in a one-to-one correspondence along the third direction.

5. The coliform group determination test tube fixing device according to claim 4, characterized in that: The fixed base is supported on the working platform, and the fixed bracket is supported on the fixed base and the working platform. One end of the fixed base along the second direction has a contact end for contacting each of the fixed brackets, and the other end has a avoidance end for avoiding each of the fixed brackets, so that the corresponding fixed bracket located in the corresponding fixed area moves along the contact end toward the avoidance end to the corresponding observation area, or the corresponding fixed bracket located in the corresponding observation area moves along the avoidance end toward the abutment end to the corresponding fixed area.

6. The coliform group determination test tube fixing device according to claim 5, characterized in that: The fixed bracket includes a fixed bottom plate, a fixed top plate and a connecting side plate, the fixed bottom plate and the fixed top plate are arranged opposite to each other at intervals along the third direction, the connecting side plate is connected between the fixed bottom plate and the fixed top plate along the third direction, the fixed bottom plate is provided with a second connecting structure extending along the second direction on a side facing away from the fixed top plate, the fixed bottom plate is provided with a plurality of fixed slots equidistantly along the second direction on a side facing the fixed top plate, the fixed top plate is provided with a plurality of fixed through holes equidistantly along the second direction, and the plurality of fixed slots and the plurality of fixed through holes correspond to each other one by one and face each other to form a plurality of fixed positions equidistantly arranged along the second direction.

7. The coliform group determination test tube fixing device according to claim 6, characterized in that: The first connection structure is a connection convex rail, and the corresponding second connection structure is a connection groove, or the first connection structure is a connection groove, and the corresponding second connection structure is a connection convex rail; and The first limiting structure is a limiting prism, and the corresponding second limiting structure is a limiting groove, or the first limiting structure is a limiting groove, and the corresponding second limiting structure is a limiting prism.

8. The coliform group determination test tube fixing device according to claim 6, characterized in that: The coliform group determination test tube fixing device includes 3N fixed brackets, the fixed bottom plate in the fixed bracket is provided with 5 fixed slots equidistantly along the second direction, the fixed top plate in the fixed bracket is provided with 5 fixed through holes equidistantly along the second direction, the 5 fixed slots and the 5 fixed through holes correspond one-to-one to form 5 fixed positions equidistantly arranged along the second direction, wherein N is a positive integer.