CN219657652U

CN219657652U - Kit for detection

Info

Publication number: CN219657652U
Application number: CN202320553528.6U
Authority: CN
Inventors: 施海峰; 陈伟康
Original assignee: Ningbo Randy Automobile Parts Industry Co ltd
Current assignee: Ningbo Randy Automobile Parts Industry Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-09-08
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a kit for detection, which comprises an upper shell and a lower shell, wherein the upper shell is provided with a first close-fit column, a second close-fit column and a hexagonal convex column in pairs, the lower shell is provided with a first special-shaped boss, a second special-shaped boss and a cylindrical boss matched with the hexagonal convex column in pairs, the first special-shaped boss is correspondingly arranged with the first close-fit column, a waist-shaped hole matched with the first close-fit column in a sliding manner is formed in the first special-shaped boss, the second special-shaped boss is correspondingly arranged with the second close-fit column, and a waist-shaped hole matched with the second close-fit column in a sliding manner is formed in the second special-shaped boss. The utility model provides a detection kit, which changes a boss with a cylindrical inner hole in the prior art into a special-shaped boss with a waist-shaped hole, and utilizes the sliding fit of a first close-fit column and the first special-shaped boss and the sliding fit of a second close-fit column and the second special-shaped boss to offset the assembly tolerance of a product and improve the yield of the product.

Description

Kit for detection

Technical Field

The utility model relates to the technical field of detection devices, in particular to a detection kit.

Background

The test kit generally comprises an upper housing and a lower housing, and the upper housing and the lower housing are covered to form an installation space for fixing the test strip. When in use, the sample to be detected is dripped into the sample inlet of the upper shell, and the sample reacts with the test strip, so that whether specific molecules or substances exist in the sample or not is determined, and a corresponding judgment result is given.

Most of the existing reagent boxes are made of plastic materials, and the upper shell or the lower shell is high in temperature and soft in texture when being ejected from the die. The upper shell or the lower shell after molding possibly has deformation, assembly errors are generated to form defective products, and the yield of products is affected.

Disclosure of Invention

The present utility model aims to solve one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a detection kit, which changes a boss with a cylindrical inner hole in the prior art into a special-shaped boss with a waist-shaped hole, and utilizes the sliding fit of a first close-fit column and the first special-shaped boss and the sliding fit of a second close-fit column and the second special-shaped boss, so that the tolerance generated by the deformation of an upper shell or a lower shell is counteracted, the assembly error of a product is reduced, and the yield of the product is improved.

The technical scheme adopted by the utility model is as follows: the utility model provides a kit for detection, including last casing and lower casing, go up and be equipped with first close-fitting post, second close-fitting post and six prismatic projection in pairs on the casing, six prismatic projection is located between first close-fitting post and the second close-fitting post, be equipped with first dysmorphism boss, second dysmorphism boss and be used for with six prismatic projection complex cylindrical boss on the lower casing in pairs, first dysmorphism boss with first close-fitting post corresponds the setting, just be equipped with in the first dysmorphism boss with first close-fitting post sliding fit's waist hole, the dysmorphism boss with second close-fitting post corresponds the setting, just be equipped with in the second dysmorphism boss with second close-fitting post sliding fit's waist hole.

The utility model improves the boss with a cylindrical inner hole in the prior art and changes the boss into a special boss with a waist-shaped hole. And the middle part of the upper shell is matched with the cylindrical boss by using a hexagonal convex column to form positioning, and a first special-shaped boss and a second special-shaped boss are arranged on two sides of the cylindrical boss. The tolerance of the upper shell or the lower shell caused by deformation is counteracted by the sliding fit of the first close-fit column and the first special-shaped boss and the sliding fit of the second close-fit column and the second special-shaped boss, so that the assembly error of a product is reduced, and the yield of the product is improved. This design allows for a more accurate assembly, optimizing the performance and quality performance of the product.

According to one embodiment of the utility model, the upper shell is provided with ventilation holes.

According to one embodiment of the utility model, a sample adding port is arranged on the upper shell and is positioned between the hexagonal convex column and the second close-fit column; and the detection sample is dripped on the surface of the test strip through the sample adding port, so that the sample to be detected and the test strip are subjected to chemical reaction.

According to one embodiment of the utility model, the upper shell is provided with an elongated observation window, and the observation window is positioned between the air holes and the sample adding port; and observing the change of the test strip through an observation window to determine the detection and judgment result.

According to one embodiment of the utility model, a first limiting protrusion is arranged on one side of the upper shell, which faces the lower shell, and is positioned between the sample adding port and the observation window; the first limiting protrusion is propped against the test strip to prevent the test strip from contacting with the surface of the upper shell.

According to one embodiment of the utility model, a second limiting protrusion is arranged on one side of the lower shell, which faces the upper shell, and is positioned below the observation window; the second limiting protrusion is used for heightening the test strip, and the test strip is prevented from being contacted with the surface of the lower shell.

According to one embodiment of the utility model, a conical pointed column is arranged on one side of the upper shell, which faces the lower shell; when the upper shell and the lower shell are covered, the conical pointed column is abutted against the test strip, so that the test strip and the upper shell are prevented from generating relative displacement.

According to one embodiment of the utility model, the lower housing is provided with a limit groove for fixing one end of the test strip.

According to one embodiment of the utility model, the side walls on two sides in the limiting groove extend oppositely to form a group of ribs.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a perspective view of a reagent cartridge according to an embodiment of the present utility model;

FIG. 2 is a top view of a cartridge according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the lower housing according to the embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of the structure of the upper housing according to the embodiment of the present utility model;

fig. 6 is a partial enlarged view at B in fig. 5.

The reference numerals in the figures illustrate:

1. an upper housing; 2. a lower housing; 3. an observation window; 4. a sample adding port; 5. ventilation holes;

11. a first close-fitting column; 12. a second close-fitting post; 13. hexagonal convex columns; 14. the first limiting protrusion; 15. conical pointed column;

21. a first profiled boss; 22. the second special-shaped boss; 23. a cylindrical boss; 24. a sidewall; 25. rib assembly; 26. and the second limiting protrusion.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1-6, in this embodiment, a kit for detection is disclosed, including an upper housing 1 and a lower housing 2, a first close-fit column 11, a second close-fit column 12 and a hexagonal protruding column 13 are provided on the upper housing 1 in pairs, the hexagonal protruding column 13 is located between the first close-fit column 11 and the second close-fit column 12, a first special-shaped boss 21, a second special-shaped boss 22 and a cylindrical boss 23 for being matched with the hexagonal protruding column 13 are provided on the lower housing 2 in pairs, the first special-shaped boss 21 is correspondingly provided with the first close-fit column 11, a waist-shaped hole for being slidingly matched with the first close-fit column 11 is provided in the first special-shaped boss 21, the second special-shaped boss 22 is correspondingly provided with the second close-fit column 12, and a waist-shaped hole for being slidingly matched with the second close-fit column 12 is provided in the second special-shaped boss 22.

In this embodiment, as shown in fig. 3, the lower housing 2 is in a rectangular structure, two cylindrical bosses 23 are disposed at two sides of the middle part of the lower housing at intervals, and cylindrical insertion holes are formed in the cylindrical bosses, so that the hexagonal protruding columns 13 are conveniently inserted, and the openings of the insertion holes are chamfered. Correspondingly, a first special-shaped boss 21 and a second special-shaped boss 22 are arranged at four corners of the lower shell 2 in pairs, the first special-shaped boss 21 and the second special-shaped boss 22 are symmetrically arranged by taking a connecting line of two cylindrical bosses as a symmetrical line, jacks with runway-shaped sections are arranged in the first special-shaped boss 21, namely waist-shaped holes are formed in the first special-shaped boss 21. The longitudinal direction of the waist-shaped hole is parallel to the longitudinal direction of the lower housing 2.

Further, the second special-shaped boss 22 is internally provided with a jack with a runway-shaped section, namely, the second special-shaped boss 22 is internally provided with a waist-shaped hole. The longitudinal direction of the waist-shaped hole is parallel to the longitudinal direction of the lower housing 2. In this embodiment, as shown in fig. 5, the first close-fitting post 11 is a cylindrical insertion post, and a chamfer structure for facilitating insertion is provided at the head portion thereof. After the first close-fitting column 11 is inserted into the first special-shaped boss 21, a gap exists between the first close-fitting column 11 and the first special-shaped boss 21, so that the first close-fitting column 11 can slide along the length direction of the lower shell 2 relative to the first special-shaped boss 21.

Similarly, the second close-fitting column 12 is a cylindrical plug-in column, and a chamfer structure convenient for insertion is arranged at the head position. When the second close-fitting column 12 is inserted into the second special-shaped boss 22, a gap exists between the second close-fitting column 12 and the second special-shaped boss 22, so that the second close-fitting column 12 can slide along the length direction of the lower housing 2 relative to the second special-shaped boss 22.

Specifically, as shown in fig. 2, the upper casing 1 is provided with an air vent 5, the upper casing 1 is provided with a sample adding port 4, the sample adding port 4 is located between the hexagonal protruding column 13 and the second close-fitting column 12, the upper casing 1 is provided with a strip-shaped observation window 3, and the observation window 3 is located between the air vent 5 and the sample adding port 4.

Specifically, as shown in fig. 5, a first limiting protrusion 14 is disposed on a side of the upper casing 1 facing the lower casing 2, the first limiting protrusion 14 is located between the sample loading port 4 and the observation window 3, two second limiting protrusions 26 are disposed on a side of the lower casing 2 facing the upper casing 1, and the two second limiting protrusions 26 are disposed at intervals and are located below the observation window 3; the second limiting protrusion 26 is used for raising the test strip, so as to prevent the test strip from contacting the surface of the lower housing 2.

Specifically, as shown in fig. 6, a conical spike 15 is provided on a side of the upper housing 1 facing the lower housing 2; when the upper shell 1 and the lower shell 2 are covered, the conical pointed column 15 is abutted against the test strip, so that the test strip and the upper shell 1 are prevented from generating relative displacement.

Specifically, as shown in fig. 3 and fig. 4, the lower housing 2 is provided with a limiting groove for fixing one end of the test strip, and the side walls 24 on two sides in the limiting groove extend in opposite directions to form a group of ribs 25.

Further, in the present embodiment, the rib 25 includes three pairs of triangular ribs, and a single triangular rib of each pair of triangular ribs is located on the side wall 24 of the limiting groove. When the test strip is arranged in the limit groove, the edges of the triangular edges are propped against the edges of the test strip so as to limit the test strip and the limit groove to generate relative displacement.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "second," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a second" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a second feature "up" or "down" on a second feature may be that the second and second features are in direct contact, or that the second and second features are in indirect contact via an intervening medium. Moreover, a second feature "above," "over" and "upper" a second feature may be that the second feature is directly above or obliquely above the second feature, or simply indicates that the second feature level is higher than the second feature. The second feature being "under", "below" and "beneath" the second feature may be the second feature being directly under or obliquely under the second feature, or simply means that the second feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The utility model provides a kit for detection, includes casing (1) and lower casing (2), go up and be equipped with first close-fitting post (11), second close-fitting post (12) and six prismatic projection (13) on casing (1) in pairs, six prismatic projection (13) are located between first close-fitting post (11) and second close-fitting post (12), its characterized in that: the lower shell (2) is provided with a first special-shaped boss (21), a second special-shaped boss (22) and a cylindrical boss (23) matched with the hexagonal boss (13) in pairs, the first special-shaped boss (21) is correspondingly arranged with the first close-fit column (11), a waist-shaped hole which is in sliding fit with the first close-fit column (11) is formed in the first special-shaped boss (21), the second special-shaped boss (22) is correspondingly arranged with the second close-fit column (12), and a waist-shaped hole which is in sliding fit with the second close-fit column (12) is formed in the second special-shaped boss (22).

2. A kit for detection according to claim 1, wherein: an air hole (5) is formed in the upper shell (1).

3. A kit for detection according to claim 2, wherein: the upper shell (1) is provided with a sample adding port (4), and the sample adding port (4) is positioned between the hexagonal convex column (13) and the second close-fit column (12).

4. A kit for detection according to claim 3, wherein: an elongated observation window (3) is arranged on the upper shell (1), and the observation window (3) is located between the air holes (5) and the sample adding port (4).

5. The kit for detection according to claim 4, wherein: one side of the upper shell (1) facing the lower shell (2) is provided with a first limiting protrusion (14), and the first limiting protrusion (14) is positioned between the sample adding port (4) and the observation window (3).

6. The kit for detection according to claim 4, wherein: one side of the lower shell (2) facing the upper shell (1) is provided with a second limiting protrusion (26), and the second limiting protrusion (26) is positioned below the observation window (3).

7. A kit for detection according to claim 1, wherein: one side of the upper shell (1) facing the lower shell (2) is provided with a conical pointed column (15).

8. A kit for detection according to claim 1, wherein: the lower shell (2) is provided with a limit groove for fixing one end of the test strip.

9. A kit for detection according to claim 8, wherein: the side walls (24) on two sides in the limiting groove extend oppositely to form a group rib (25).