CN217560527U

CN217560527U - Magnetic rod sleeve checking fixture

Info

Publication number: CN217560527U
Application number: CN202221550595.4U
Authority: CN
Inventors: 刘东华; 廖茂钧
Original assignee: Guangzhou Dakang Biological Co ltd
Current assignee: Guangzhou Dakang Biological Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-11
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses an utensil is examined to bar magnet cover, the clamping part thickness that is used for testing the bar magnet cover is examined to the bar magnet cover, and this bar magnet cover is examined and is equipped with first recess and the second recess that extends along the first direction, and first recess is divided into first section and second section from the top towards the bottom along the direction of depth, and the width of second section is greater than the width of first section, and the second section can hold the clamping part. The second recess is along the first cavity of depth direction from the top towards the bottom respectively and second cavity, and the part that is close to the clamping part of a plurality of bodys can be held to first cavity, and the width of second cavity is greater than the width of first cavity, and the degree of depth of second section is greater than the degree of depth of second cavity moreover. The utility model discloses an utensil is examined to bar magnet cover sets up first recess and second recess, and whether the thickness of the second cavity detectable this clamping part of the second section of first recess and second recess accords with needs, does not need other ruler to measure, measures simply, can also guarantee that the clamping part satisfies the scope of snatching of clamping jaw.

Description

Magnetic rod sleeve checking fixture

Technical Field

The utility model relates to a medical instrument detects technical field, concretely relates to utensil is examined to bar magnet cover.

Background

With the rapid development of the medical field, more and more nucleic acid-based biological experiments are emerging, and the extraction and detection of nucleic acids can help to make rapid diagnosis of the disease of patients. The magnetic bead method is a novel nucleic acid extraction technology with nano biological magnetic beads as carriers, nucleic acid molecules can be specifically identified and combined with silicon hydroxyl on the surfaces of the magnetic beads, and are aggregated or dispersed under the action of an external magnetic field, so that the nucleic acid is separated and purified. At present, the magnetic bead method for extracting nucleic acid generally comprises four main steps of cracking, combining, washing and eluting. After a sample is cracked, adding a binding solution to combine magnetic beads with nucleic acid, then inserting a magnetic rod sleeved with a magnetic rod sleeve into the cracking solution, adsorbing the magnetic beads on the surface of the magnetic rod sleeve under the action of a magnetic field, and transferring the magnetic beads into a washing solution by the magnetic rod for washing; after washing, the magnetic rod is extracted from the magnetic rod sleeve, the magnetic rod sleeve loses magnetism, the magnetic beads are separated from the magnetic rod sleeve, the magnetic beads are transferred into eluent, nucleic acid attached to the magnetic beads is eluted, then the eluent with the nucleic acid is transferred into a reaction tube, and subsequent molecular diagnosis test is carried out.

The magnetic rod sleeve is a component for isolation and stirring in nucleic acid extraction by a magnetic rod method, the magnetic rod is inserted into the magnetic rod sleeve, the magnetic rod has magnetism, and can attract particles which can be attracted by the magnetism in a mixture and adsorb the particles to the surface of the magnetic rod sleeve.

The magnetic rod sleeve is generally arranged on a magnetic rod sleeve frame, and when the magnetic rod sleeve frame acts, the magnetic rod sleeve is driven to horizontally move, vertically move or vibrate, so that stirring is realized. The bar magnet cover generally includes a plurality of bodys and clamping part, a plurality of bodys are used for installing the bar magnet, and a plurality of bodys are connected to the clamping part, during practical application, the bar magnet stock cover frame includes the clamping jaw, but the clamping jaw centre gripping clamping part drives a plurality of bodys vibrations through the clamping part, and the thickness undersize of clamping part can influence the clamping jaw and snatch the stability of clamping part, and the thickness of clamping part is too big will exceed the scope of snatching of clamping jaw itself, so at the in-process of production bar magnet cover, need constantly detect the thickness of clamping part.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an utensil is examined to bar magnet cover to solve the problem that exists among the above-mentioned prior art.

In order to solve the problem, according to the utility model discloses an aspect provides an utensil is examined to bar magnet cover, the gauge is examined to bar magnet cover is used for detecting the clamping part thickness of bar magnet cover, the bar magnet cover still includes a plurality of bodys, the clamping part is the bar of platykurtic, and is a plurality of the body is followed the length direction interval arrangement of clamping part is followed one side perpendicular to of clamping part the clamping part extends, the utensil is examined to bar magnet cover has flat surface, flat surface is equipped with first recess and the second recess that extends along the first direction, first recess is divided into first section and second section from the top towards the bottom along the direction of depth, the width of second section is greater than the width of first section, the second recess is followed the direction of depth and is followed top towards the bottom and is first recess and second cavity respectively, the width of second cavity is greater than the width of first cavity, the second section with the second cavity can hold the clamping part, just the degree of depth of second section is greater than the degree of depth of second cavity.

In one embodiment, the depth of the second section is greater than the depth of the second cavity by more than 0.02 mm.

In one embodiment, the second section and the second cavity are rectangular in cross-section along a second direction, the second direction being perpendicular to the first direction.

In one embodiment, the depth of the second section is in the range of 2.16mm to 2.18mm and the depth of the second cavity is in the range of 2.12mm to 2.14mm.

In one embodiment, the first section and the first cavity have a depth that is uniform.

In one embodiment, the width of the second segment is the same as the width of the second cavity.

In one embodiment, the depth of the second section is less than the depth of the first section.

In one embodiment, the depth of the second cavity is less than the depth of the first cavity.

In one embodiment, the magnetic rod sleeve gauge is a cuboid.

In one embodiment, the length of the magnetic rod sleeve gauge in the first direction is 85mm.

The utility model discloses an utensil is examined to bar magnet cover sets up first recess and second recess, and whether the thickness of the second cavity detectable this clamping part of the second section of first recess and second recess accords with needs, does not need other ruler to measure, measures simply, can also guarantee that the clamping part satisfies the scope of snatching of clamping jaw.

Drawings

FIG. 1 is a top view of a prior art magnet bar sleeve according to one embodiment.

Fig. 2 is a cross-sectional view of the embodiment shown in fig. 1.

Fig. 3 is a right side view of the embodiment shown in fig. 1.

Fig. 4 is a perspective view of the magnetic rod sleeve inspection device according to an embodiment of the present invention.

FIG. 5 is a right side view of the bar magnet sleeve gauge of the embodiment shown in FIG. 4.

FIG. 6 is a top view of the bar magnet sleeve gauge of the embodiment shown in FIG. 4.

Reference numerals: 100. a magnetic rod sleeve detection tool; 1. a first groove; 11. a first stage; 12. a second stage; 2. a second groove; 21. a first cavity; 22. a second cavity; 200. a magnetic rod sleeve; 201. a clamping portion; 202. a tube body.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The utility model relates to an utensil 100 is examined to bar magnet cover, this utensil 100 is examined to bar magnet cover is used for detecting the 201 thickness of clamping part of bar magnet cover 200. Specifically, the magnet rod cover 200 further includes a plurality of tube bodies 202, and as shown in fig. 1, 2, and 3, the clamping portion 201 is a flat strip shape, and the plurality of tube bodies 202 are arranged at intervals along a longitudinal direction of the clamping portion 201 and extend perpendicularly to the clamping portion 201 from one side of the clamping portion 201. The magnetic rod sleeve gauge 100 of the present invention has a flat outer surface, as shown in fig. 4, 5 and 6. This flat surface is equipped with first recess 1 and the second recess 2 that extends along first direction, and wherein, first recess 1 is divided into first section 11 and second section 12 from the top towards the bottom along the depth direction, and first section 11 can hold a plurality of bodys 202 that are close to clamping part 201, and the width of second section 12 is greater than the width of first section 11, and clamping part 201 can be held to second section 12. The second groove 2 is divided into a first cavity 21 and a second cavity 22 from the top to the bottom in the depth direction, the first cavity 21 can accommodate the tops of the plurality of tubes 202 near the clamping portion 201, the width of the second cavity 22 is larger than that of the first cavity 21, the second cavity 22 can also accommodate the clamping portion 201, and the depth of the second section 12 is larger than that of the second cavity 22. It should be understood that the difference between the thicknesses of the second section 12 and the second cavity 22 is the upper and lower limits of the clamping portion 201, and may be set according to the size of the clamping portion 201 and the required upper and lower limits. In actual production, after the magnetic rod sleeve 200 is produced, the clamping portion 201 can be pushed into the second section 12 and the second cavity 22 from one end of the magnetic rod sleeve checking fixture 100, and if the thickness of the clamping portion 201 is greater than that of the second section 12, the clamping portion 201 cannot be pushed into the second section 12, and the clamping portion 201 of the magnetic rod sleeve 200 is too large in size, exceeds the grabbing range of the clamping jaw, and cannot meet experimental requirements. If the clamping portion 201 can be mounted on the second section 12 but cannot be mounted on the second cavity 22, it is proved that the thickness range of the clamping portion 201 is satisfactory and can be grasped by the clamping jaws. If the clamping portion 201 can be easily mounted in the second cavity 22, or if the thickness of the clamping portion 201 is significantly smaller than the second cavity 22, the thickness of the frame clamping portion 201 proves too small to satisfy the gripping range of the clamping jaw. The thickness of the second section 12 meets the upper limit of the gripping range of the clamping jaw, the thickness of the second concave cavity 22 meets the lower limit of the gripping range of the clamping jaw, whether the thickness of the clamping part 201 meets the requirement can be detected by placing the clamping part 201 into the second section 12 and the second groove 2, other rulers are not needed for measurement, the measurement is simple, and the clamping part 201 can be guaranteed to meet the gripping range of the clamping jaw.

In one embodiment, as shown in fig. 4, 5 and 6, the thickness of the second section 12 in the second direction is greater than the thickness of the second cavity 22 in the second direction by more than 0.02mm, and the thicknesses of the second section 12 and the second cavity 22 are set according to the requirements of the upper and lower limits of the thickness of the clamping portion 201.

Preferably, as shown in fig. 4, 5 and 6, the second section 12 and the second cavity 22 have a rectangular cross section along the second direction, which is perpendicular to the first direction, i.e. the second section 12 and the second cavity 22 are rectangular grooves. The clip portion 201 is generally flat and strip-shaped, and the cross-section perpendicular to the length of the clip portion 201 is generally rectangular, while the second section 12 and the second cavity 22 are preferably rectangular grooves that match the shape of the clip portion 201. It will be appreciated that the shape of the second section 12 and the second cavity 22 need to match the shape of the clamping portion 201 and may be adjusted according to the shape of the clamping portion 201.

In the preferred embodiment shown in fig. 1, 2 and 3, the thickness of the clamping portion 201 is 2.15mm, which is a conventionally used dimension, and the thickness of the clamping portion 201 can be varied up and down by 0.01mm. The depth of the second section 12, 2.16mm, is 0.01mm greater than the thickness of the clamping portion 201, while the depth of the second cavity 22, 2.14mm, is 0.01mm less than the thickness of the clamping portion 201, and can be used to measure the thickness of a clamping portion 201 of conventional size. It should be understood that the depth of the second section 12 and the second cavity 22 can be adjusted according to the thickness of the clamping portion 201, and is not limited to the above-mentioned dimensions. It will be appreciated that the depth of the thickness of the second section 12 may also be set between 2.16mm and 2.18mm, and the depth of the second cavity may also be set between 2.12mm and 2.14mm as required.

Optionally, the widths of the first section 11 and the first cavity 21 are the same, the first section 11 and the first cavity 21 are used for accommodating the plurality of tubes 202, and during the process of placing the clamping portion 201 in the second section 12 and the second cavity 22, the portions of the plurality of tubes 202 close to the clamping portion 201 will pass through the first section 11 and the first cavity 21, so the widths of the first section 11 and the first cavity 21 need to be larger than the widths of the plurality of tubes 202, and the shapes of the first section 11 and the first cavity 21 need not be limited.

Optionally, the first section 11 and the first cavity 21 are of uniform depth. It should be understood that the depth of the first section 11 and the first cavity 21 may not be uniform, and the shape of fig. 4 is not limited.

Preferably, the width of the second section 12 is the same as the width of the second cavity 22, and the widths of the second section 12 and the second cavity 22 can also be used as a tool for measuring the line width of the clamping part 201, so as to prevent the width of the clamping part 201 from being too large. In addition, the width of the second section 12 and the second cavity 22 is slightly larger than the width of the clamping portion 201, so that the clamping portion 201 can be accommodated. It will be appreciated that the width of the second section 12 and the second cavity 22 may also be different, and need only be greater than the width of the clamping portion 201.

Optionally, the depth of the second section 12 is smaller than the depth of the first section 11, the depth of the first section 11 is larger than the depth of the second section 12, and during the test, the inner wall of the first section 11 can also support the plurality of tubes 202, so as to prevent the plurality of tubes 202 from inclining and affecting the test.

Optionally, the depth of the second cavity 22 is smaller than the depth of the first cavity 21, and the inner wall of the second cavity 22 may also stabilize the plurality of tubes 202, which is not described in detail.

Preferably, as shown in fig. 4, 5 and 6, the magnetic rod sleeve gauge 100 is a rectangular parallelepiped, and the rectangular magnetic rod sleeve gauge 100 is easy to place on the platform and facilitates the placement of the clamping portion 201 in the second section 12 or the second cavity 22. It should be understood that in other embodiments, the rod sleeve gauge 100 may have other shapes, such as a cylinder, an irregular shape, etc., and the shape of the rod sleeve gauge 100 is not limited.

Optionally, the length of the conventional clamping portion 201 is 85mm, the length of the magnetic rod sleeve gauge 100 in the first direction needs to be greater than or equal to 85mm, and is preferably consistent with the length of the clamping portion 201, namely 85mm, the first groove 1 and the second groove 2 penetrate through two ends of the magnetic rod sleeve gauge 100 in the first direction, the lengths of the second section 12 and the second cavity 22 are also consistent with the length of the clamping portion 201, and the thickness of each part of the clamping portion 201 in the length direction can be conveniently tested.

The utility model discloses an utensil 100 is examined to bar magnet cover sets up first recess 1 and second recess 2, and whether the thickness of this clamping part 201 of second section 12 of first recess 1 and second recess 2's second cavity 22 detectable accords with needs, does not need other ruler to measure, measures simply, can also guarantee that clamping part 201 satisfies the scope of snatching of clamping jaw.

The above description is for the purpose of illustrating the preferred embodiments of the present invention and it is to be understood that various changes and modifications may be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims

1. The magnetic rod sleeve detection tool is used for detecting the thickness of a clamping part of a magnetic rod sleeve, and the magnetic rod sleeve further comprises a plurality of pipe bodies, wherein the clamping part is in a flat strip shape, the plurality of pipe bodies are arranged at intervals along the length direction of the clamping part and extend perpendicular to the clamping part from one side of the clamping part.

2. The bar magnet sleeve gauge of claim 1, wherein the depth of the second section is greater than the depth of the second cavity by more than 0.02 mm.

3. The tool according to claim 1, wherein the second section and the second cavity are rectangular in cross section in a second direction, the second direction being perpendicular to the first direction.

4. The bar magnet sleeve gauge of claim 2, wherein the depth of the second segment ranges from 2.16mm to 2.18mm, and the depth of the second cavity ranges from 2.12mm to 2.14mm.

5. The bar magnet sleeve gauge of claim 1, wherein the first section and the first cavity are of the same depth.

6. The bar magnet sleeve gauge of claim 1, wherein the width of the second segment is the same as the width of the second cavity.

7. The tool according to claim 1 wherein the depth of the second section is less than the depth of the first section.

8. The bar magnet sleeve gauge of claim 1, wherein the depth of the second cavity is less than the depth of the first cavity.

9. The magnetic rod sleeve gauge according to claim 1, wherein the magnetic rod sleeve gauge is a cuboid.

10. The rod sleeve gauge of claim 1, wherein the rod sleeve gauge has a length of 85mm in the first direction.