Portable colorimetric device

Abstract

The utility model relates to the technical field of colorimetric devices, and discloses a portable colorimetric device which comprises a colorimetric tube group, a lower shell and an upper shell, the lower shell and the upper shell can be mutually buckled, the lower shell comprises a bottom plate and first side plates integrally formed on the left side and the right side of the bottom plate, and the upper shell comprises a top plate and second side plates integrally formed on the front side and the rear side of the top plate. The colorimetric tube group comprises sample tubes arranged in a single column of cuboid tubes and a standard liquid tube group formed by integrally combining a plurality of columns of cuboid tubes, a first placing groove for placing the sample tubes and a second placing groove for placing the standard liquid tube group are formed in the bottom plate, a cover plate is arranged above the colorimetric tube group, and a plurality of sealing plugs are correspondingly arranged on the lower surface of the cover plate; and the upper shell and the lower shell are fastened through a buckle structure. The lower shell and the upper shell are buckled for protection, so that the colorimetric tube group is not easy to damage, small and convenient to carry, and the colorimetric tube group consists of a standard liquid tube group formed by integrally combining a plurality of columns of cuboid tubes and a sample tube formed by arranging a single column of cuboid tubes, so that the colorimetric tube group is convenient to take, place and compare colors.

Description

Technical Field

[0001] The utility model relates to the technical field of colorimetric devices, in particular to a portable colorimetric device. Background Art

[0002] In the current standards, most colorimetric methods use colorless stoppered colorimetric tubes for colorimetric comparison. The colorimetric tubes have specifications such as 10ml, 25ml, and 50ml. Most colorimetric methods use 50ml colorless stoppered colorimetric tubes. A series requires 5 to 10 colorimetric tubes. The colorimetric tube is 210mm long and 25mm in diameter. It is large in size and inconvenient to carry. In actual use, due to the bumpy road when going out for monitoring, it is inevitable that the colorimetric tube will be damaged. The Chinese utility model patent with patent announcement number CN 203870025 U discloses a portable device for colorimetric test tubes for residual chlorine in water, including a box body, an upper cover, a tube inserting partition and several colorimetric tubes. The tube inserting partition is located in the box body, and the colorimetric tube is inserted in the hole of the tube inserting partition. The upper cover and the box body are an integral structure and can rotate around the connection; the box body is made of transparent material, one of the sides has a large area hole, and there is a digital serial number mark corresponding to the insertion position of the colorimetric tube below the hole; the upper cover is provided with a soft sealing interface. The colorimetric tubes of the device are individually separated and inserted into the holes of the tube partition, and need to be taken out individually for comparison, which is inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a portable colorimetric device in view of the above-mentioned problems. The device is protected by a combination of upper and lower shells and is not easily damaged by road bumps. The colorimetric tube group is composed of a standard liquid tube group composed of a plurality of rows of rectangular tubes and a sample tube arranged in a single row of rectangular tubes, which is convenient for taking in and comparing colors.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a portable colorimetric device, including a colorimetric tube group and a lower shell and an upper shell that can be interlocked, the lower shell including a bottom plate and a first side plate integrally formed on the left and right sides of the bottom plate, the upper shell including a top plate and a second side plate integrally formed on the front and back sides of the top plate, the colorimetric tube group including sample tubes arranged in a single row of rectangular tubes and a standard liquid tube group arranged in an integral combination of multiple rows of rectangular tubes, the bottom plate is provided with a first placement slot for placing the sample tube and a second placement slot for placing the standard liquid tube group, a cover plate is provided above the colorimetric tube group, and a plurality of sealing plugs corresponding to each rectangular tube are provided on the lower surface of the cover plate, and the upper shell and the lower shell are fastened by a snap-fit ​​structure.

[0005] Furthermore, it also includes a pressure plate arranged below the top plate, the pressure plate and the top plate are connected via a plurality of conical coil springs, and when the upper shell and the lower shell are buckled, the pressure plate can be pressed against the cover plate.

[0006] Furthermore, a support platform is provided on the inner wall of the first side plate above the colorimetric tube group, a T-shaped limiting groove is provided on the top surface of the support platform, and T-shaped blocks that cooperate with the T-shaped limiting groove are provided at both ends of the cover plate.

[0007] Furthermore, the buckle structure includes a T-shaped rod buckle, a U-shaped buckle groove and an arc-shaped limiting protrusion. A first boss is provided on the outer side of the upper ends of the two first side panels, and second bosses corresponding to the first bosses are extended outward at both ends of the top plate. The first boss and the second boss are correspondingly provided with U-shaped buckle grooves with open outer ends. The T-shaped rod buckle is arranged below the U-shaped buckle groove of the first boss, and one end of the T-shaped rod buckle is hinged to the first side panel, and the arc-shaped limiting protrusion is arranged on both sides of the top of the U-shaped buckle groove of the first boss. The T-shaped rod buckle can rotate in the U-shaped buckle groove around the hinge point, and under the action of external force, the other end of the T-shaped rod buckle is forced to buckle into the inner side of the arc-shaped limiting protrusion, so that the lower shell is tightly pressed against the lower shell.

[0008] Furthermore, each of the first side panels has insert strips extending vertically on both sides, and each of the second side panels has slots at both ends for mating with the insert strips.

[0009] Furthermore, the colorimetric tube set is a thin-walled tube made of transparent glass or a thin-walled tube made of transparent acrylic.

[0010] Furthermore, the standard liquid tube group is integrally formed by 6 rows of rectangular tubes.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0012] The utility model uses the lower shell and the upper shell that are mutually clamped together for combined protection, which is not easy to be damaged by road bumps. The whole is compact and convenient to carry. The upper shell and the lower shell are fastened by a buckle structure, which is convenient to open and buckle;

[0013] The utility model colorimetric tube set is composed of a standard liquid tube set which is an integral combination of multiple rows of rectangular tubes and a sample tube which is a single row of rectangular tubes, thus avoiding the need to take and place a single tube, making it more convenient to take and place the tube. After opening the upper shell, the standard liquid tube set and the sample tube can be used for colorimetric comparison, and there is no need to transfer the colorimetric tube set for a second time, making the operation more convenient. The standard tube is combined with the sample tube for colorimetric comparison, and the utility model has good versatility. Various visual colorimetric columns, such as chromaticity, turbidity, free residual chlorine, etc., can be replaced according to actual conditions.

[0014] The colorimetric tube set of the utility model is sealed by the sealing plug on the cover plate to prevent the standard solution and the sample from flowing out, and all the colorimetric tube sets can be sealed at one time, thus saving time and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a structural schematic diagram of a portable colorimetric device of the utility model;

[0016] Figure 2 This is a front view of a portable colorimetric device of the utility model;

[0017] Figure 3 For this utility model Figure 1 A partial enlarged view of middle A;

[0018] Figure 4 For this utility model Figure 1 A partial enlarged view of B in the middle;

[0019] In the figure: 1-lower shell, 2-upper shell, 21-slot, 22-second boss, 3-colorimetric tube group, 31-sample tube, 32-standard liquid tube group, 11-first placement slot, 12-second placement slot, 13-insertion strip, 14-first boss, 4-cover plate, 41-T-shaped block, 42-sealing plug, 5-buckle structure, 51-T-shaped rod buckle, 52-U-shaped buckle groove, 53-arc-shaped limiting protrusion, 6-pressure plate, 61-conical coil spring, 7-support platform, 71-T-shaped limiting groove. DETAILED DESCRIPTION

[0020] In order to make the technical personnel of the technical field better understand the present utility model scheme, the technical scheme in the present utility model embodiment will be clearly and completely described below in conjunction with the drawings in the present utility model embodiment. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by the technical personnel in the technical field belonging to the present utility model. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. The terms "first", "second", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] like Figure 1 and Figure 2 As shown, a portable colorimetric device includes a colorimetric tube group 3 and a lower shell 1 and an upper shell 2 that can be interlocked, the lower shell 1 includes a bottom plate and a first side plate integrally formed on the left and right sides of the bottom plate, the upper shell 2 includes a top plate and a second side plate integrally formed on the front and back sides of the top plate, the colorimetric tube group 3 includes a sample tube 31 arranged in a single row of rectangular tubes and a standard liquid tube group 32 arranged in a combination of multiple rows of rectangular tubes, a first placement slot 11 for placing the sample tube 31 and a second placement slot 12 for placing the standard liquid tube group 32 are provided on the bottom plate, a cover plate 4 is provided above the colorimetric tube group 3, and a plurality of sealing plugs 42 corresponding to each rectangular tube are provided on the lower surface of the cover plate 4, and the upper shell 2 and the lower shell 1 are fastened by a snap structure 5.

[0023] See also Figure 1 and Figure 2 The portable colorimetric device also includes a pressing plate 6 disposed below the top plate, and the pressing plate 6 is connected to the top plate by a plurality of conical coil springs 61. When the upper shell 2 and the lower shell 1 are buckled, the pressing plate 6 can press against the cover plate 4. The reaction force of the conical coil spring 61 is used to press the pressing plate 6 against the cover plate 4, thereby avoiding bumps and collisions during carrying, and further ensuring that the sealing plug 42 under the cover plate 4 is only pressed on the colorimetric tube group 3, thereby further improving the tightness of the seal and avoiding leakage. Of course, the upper shell 2 can also be used to directly press the cover plate 4.

[0024] See also Figure 1 A support platform 7 is provided on the inner wall of the first side plate located above the colorimetric tube set 3, a T-shaped limiting groove 71 is provided on the top surface of the support platform 7, and T-shaped blocks 41 are provided at both ends of the cover plate 4 to cooperate with the T-shaped limiting groove 71. The T-shaped limiting groove 71 on the support platform 7 is convenient for limiting the cover plate 4, and can be quickly aligned with the sealed colorimetric tube set 3.

[0025] join Figure 3 and Figure 4The buckle structure 5 includes a T-shaped rod buckle 51, a U-shaped buckle groove 52 and an arc-shaped limiting protrusion 53. A first boss 14 is provided on the outer side of the upper ends of the two first side plates, and second bosses 22 corresponding to the first boss 14 are extended outward at both ends of the top plate. The first boss 14 and the second boss 22 are correspondingly provided with a U-shaped buckle groove 52 with an outer end opening. The T-shaped rod buckle 51 is arranged below the U-shaped buckle groove 52 of the first boss 14, and one end of the T-shaped rod buckle 51 is hinged to the first side plate. The arc-shaped limiting protrusion 53 is arranged on both sides of the top of the U-shaped buckle groove 52 of the first boss 14. The T-shaped rod buckle 51 can rotate in the U-shaped buckle groove 52 around the hinge point, and under the action of external force, the other end of the T-shaped rod buckle 51 is forced to buckle into the inner side of the arc-shaped limiting protrusion 53, so that the lower shell 1 is pressed tightly on the lower shell 1. When the upper shell 2 and the lower shell 1 are aligned and snapped together, the T-shaped rod buckle 51 rotates upward and snaps into the U-shaped buckle groove 52, and the other end of the T-shaped rod buckle 51 is forced to snap into the arc-shaped limiting protrusion 53 under the action of external force, so that the upper shell 2 and the lower shell 1 can be fastened. When the T-shaped rod buckle 51 is forced to fall off the arc-shaped limiting protrusion 53 under the action of external force, the upper shell 2 and the lower shell 1 can be quickly separated.

[0026] See also Figure 1 , each first side plate has an insert strip 13 extending vertically on both sides, and each second side plate has a slot 21 at both ends for mating with the insert strip 13. The slots 21 of the upper shell 2 and the insert strip 13 of the lower shell 1 are correspondingly inserted, so that the upper shell 2 and the lower shell 1 can be quickly docked.

[0027] The colorimetric tube group 3 is a thin-walled tube made of transparent glass or a thin-walled tube made of transparent acrylic. The standard liquid tube group 32 is formed by 6 rows of rectangular tubes. A single row of rectangular tubes is used as a sample tube 31 row. Preferably, each row of rectangular tubes is about 12 mm long, about 12 mm wide, and about 80 mm high. The standard liquid tube group 32 and the sample tube 31 are arranged in a straight line and sealed by the sealing plug 42 on the cover plate 4 to prevent the standard liquid and the sample from flowing out and can be stored for a long time.

[0028] The upper shell 2 and the lower shell 1 of the utility model are fastened by the buckle structure 5, which is convenient to open and buckle. The upper and lower shells 1 are combined and protected, and it is not easy to be damaged by road bumps. The colorimetric tube group 3 is placed in the shell composed of the upper shell 2 and the lower shell 1, and the whole is small and convenient to carry. The colorimetric tube group 3 is composed of a standard liquid tube group 32 composed of a plurality of rectangular parallelepiped tubes and a sample tube 31 provided with a single rectangular parallelepiped tube, which avoids single picking and placing, and is more convenient to pick and place. After opening the upper shell 2, the standard liquid tube group 32 can be used to compare colors with the sample tube 31, and there is no need to transfer the colorimetric tube group 3 twice, which is more convenient to operate. The standard tube combination sample tube 31 is used for colorimetry, which has good versatility, and various visual colorimetric columns can be replaced according to actual conditions, such as chromaticity, turbidity, free residual chlorine, etc.

[0029] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A portable colorimetric device, characterized in that: It includes a colorimetric tube group and a lower shell and an upper shell that can be interlocked, the lower shell includes a bottom plate and a first side plate integrally formed on the left and right sides of the bottom plate, the upper shell includes a top plate and a second side plate integrally formed on the front and back sides of the top plate, the colorimetric tube group includes sample tubes arranged in a single row of rectangular tubes and a standard liquid tube group arranged in a combination of multiple rows of rectangular tubes, the bottom plate is provided with a first placement groove for placing the sample tube and a second placement groove for placing the standard liquid tube group, a cover plate is provided above the colorimetric tube group, and a lower surface of the cover plate is provided with a plurality of sealing plugs corresponding to each rectangular tube one by one, and the upper shell and the lower shell are fastened by a snap-fit ​​structure.

2. A portable colorimetric device according to claim 1, characterized in that: It also includes a pressure plate disposed below the top plate, wherein the pressure plate is connected to the top plate via a plurality of conical coil springs, and when the upper shell and the lower shell are buckled, the pressure plate can be pressed against the cover plate.

3. A portable colorimetric device according to claim 2, characterized in that: A support platform is provided on the inner wall of the first side plate above the colorimetric tube group, a T-shaped limiting groove is provided on the top surface of the support platform, and T-shaped blocks that cooperate with the T-shaped limiting groove are provided at both ends of the cover plate.

4. A portable colorimetric device according to claim 1, characterized in that: The buckle structure includes a T-shaped rod buckle, a U-shaped buckle groove and an arc-shaped limiting protrusion. A first boss is provided on the outer side of the upper ends of the two first side panels, and second bosses corresponding to the first boss are extended outward at both ends of the top plate. The first boss and the second boss are correspondingly provided with U-shaped buckle grooves with outer end openings. The T-shaped rod buckle is arranged below the U-shaped buckle groove of the first boss, and one end of the T-shaped rod buckle is hinged to the first side panel, and the arc-shaped limiting protrusion is arranged on both sides of the top of the U-shaped buckle groove of the first boss. The T-shaped rod buckle can rotate in the U-shaped buckle groove around the hinge point, and under the action of external force, the other end of the T-shaped rod buckle is forced to buckle into the inner side of the arc-shaped limiting protrusion, so that the lower shell is pressed tightly against the lower shell.

5. A portable colorimetric device according to claim 1, characterized in that: Insertion strips are vertically extended on both sides of each of the first side panels, and slots for mating with the insertion strips are provided at both ends of each of the second side panels.

6. A portable colorimetric device according to claim 1, characterized in that: The colorimetric tube set is a thin-walled tube made of transparent glass or a thin-walled tube made of transparent acrylic.

7. A portable colorimetric device according to claim 1, characterized in that: The standard liquid pipe group is integrally formed of 6 rows of rectangular parallelepiped pipes.

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