CN106824344B

CN106824344B - Nuclear magnetic pipe frame

Info

Publication number: CN106824344B
Application number: CN201710049174.0A
Authority: CN
Inventors: 王隽
Original assignee: Wuhan Anachro Technology Co ltd
Current assignee: Wuhan Anachro Technology Co ltd
Priority date: 2017-01-23
Filing date: 2017-01-23
Publication date: 2020-07-14
Anticipated expiration: 2037-01-23
Also published as: CN106824344A

Abstract

The invention discloses a nuclear magnetic pipe frame, which comprises a panel, a middle partition plate, a bottom plate and a pipe frame support column, wherein guide through holes are arranged at corresponding positions on the panel and the middle partition plate, positioning holes which are in one-to-one correspondence with the guide through holes are arranged on the bottom plate, the panel, the middle partition plate, the bottom plate and a fixing screw are made of 6061 aluminum alloy which is precisely processed by a numerical control machine, sandblasted and subjected to surface oxidation treatment, and the pipe frame support column is a copper connecting column; one shot forming's high density elastic silica gel is laid to the bottom plate, high density elastic silica gel's thickness 1 ~ 3mm, the volume of high density elastic silica gel hardening catalyst is 1: 100-1: 40. The nuclear magnetic pipe frame is made of three layers of finely processed aluminum alloy materials, is acid-resistant and alkali-resistant, can be used in a strong magnetic field, and is provided with the optimized high-density elastic silica gel on the bottom plate to prevent the nuclear magnetic pipe from being broken when contacting the bottom plate in a free falling mode.

Description

Nuclear magnetic pipe frame

Technical Field

The invention relates to the technical field of experimental sample storage, in particular to a nuclear magnetic pipe frame.

Background

The nuclear magnetic resonance tube, a high borosilicate glass container as a sample injection of a nuclear magnetic resonance instrument, has very high processing precision, and generally has a tube wall thickness of not more than 0.5mm and a length of between 15.3 and 22.6 cm. The loading of samples during the study required extensive use of nuclear magnetic tubes. How to safely and efficiently place and store the nuclear magnetic tube is a necessary requirement. At present, nuclear-magnetism pipe support in the market mostly uses polypropylene as the main part material, and this type nuclear-magnetism pipe support, mechanical strength is low, and protection nuclear-magnetism pipe that can not be fine does not receive the damage of external force, and when sample nuclear-magnetism pipe was stored at extensive ultra-low temperature in addition, the easy sclerosis of polypropylene material broke, was unfavorable for biological sample's long-term storage. Most nuclear-magnetism pipe support simultaneously, structural design is unreasonable, adopts double-deck panel more, because the nuclear-magnetism pipe has certain length, when putting into the panel hole, easily causes the nuclear-magnetism pipe to empty or drop with the free fall and pound the bottom of wearing, loses the possibility of precious sample.

Because the existing nuclear magnetic pipe support has the problems of unstable material, easy cracking, low firmness and the like, a lot of inconvenience is brought to the storage of the nuclear magnetic pipe, the nuclear magnetic pipe support with stable chemical property and reasonable structure is urgently needed to be researched and developed, and the problems that the nuclear magnetic pipe is easy to topple, drop and crack and penetrate the bottom, is difficult to operate and the like when being put into and taken out are solved.

Disclosure of Invention

The invention aims to provide a nuclear magnetic pipe frame which is made of special materials through fine processing, is acid-resistant and alkali-resistant, can be used in a strong magnetic field, and is provided with high-density elastic silica gel on a bottom plate to prevent a nuclear magnetic pipe from being broken due to contact with the bottom plate in a free falling mode.

In order to achieve the purpose, the invention adopts the technical scheme that: a nuclear magnetic pipe support comprises a panel, a middle partition plate, a bottom plate and pipe support supporting columns, wherein the panel, the middle partition plate and the bottom plate are sequentially arranged at intervals by matching with fixing screws through the pipe support supporting columns, guide through holes are formed in corresponding positions of the panel and the middle partition plate, the bottom plate is provided with positioning holes in one-to-one correspondence with the guide through holes, the panel, the middle partition plate, the bottom plate and the fixing screws are made of 6061 aluminum alloy which is subjected to accurate machining, sand blasting and surface oxidation treatment through a numerical control machine, and the pipe support supporting columns are copper connecting columns; the bottom plate is paved with high-density elastic silica gel which is formed in one step and used for preventing the nuclear magnetic tube from being broken when contacting the bottom plate in a free-falling mode; the thickness of high density elasticity silica gel is 1 ~ 3mm, the volume of high density elasticity silica gel hardening catalyst is 1: 100-1: 40.

Further, the bottom plate bottom is equipped with the rubber foot pad, be equipped with a plurality of archs on the rubber foot pad and the ground contact surface.

Furthermore, chamfer processing is carried out on the guide through hole and the positioning hole, and the nuclear magnetic tube wall is prevented from being abraded by the metal frame body when the nuclear magnetic tube is taken and placed.

Furthermore, the surface of the panel is provided with a laser mark for numbering and recording the sample placement positions, so that a large number of samples can be stored in order.

Furthermore, inclined arc-shaped grooves are formed in the two sides of the panel, the middle partition plate and/or the bottom plate, and therefore the grabbing habit of a user at ordinary times is met.

Furthermore, a limiting ring is arranged on the inner wall of the guide through hole, an elastic clamping part is arranged on the guide through hole, the elastic clamping part is clamped in the limiting ring and connected with the guide through hole, a plurality of fixing holes and clamps are arranged on the elastic clamping part, the clamps are bent at a certain angle, and the central bending point of the clamps is connected with the fixing holes; one end of the clamp is kept horizontal in the plane of the guide through hole, and the other end of the clamp is positioned above the panel/middle partition plate and is arranged like an opening; the horizontal end part of the clamp is arranged in an arc convex curved surface, and the arc curved surface at the open end part of the clamp is matched with the outer wall of the nuclear magnetic tube; when the nuclear magnetic tube is placed in the clamp, the clamp rotates by taking the fixing hole as an axis, and the two end parts of the clamp mutually act to clamp the nuclear magnetic tube; when the nuclear magnetic tube is taken out, the clamp automatically restores the original state.

Further, the clamp 11 is made of PTFE or PET polyester.

Compared with the prior art, the invention has the beneficial effects that:

(1) the panel, the middle partition plate, the bottom plate and the fixing screws of the nuclear magnetic resonance tube rack are all made of 6061-grade aluminum alloy, and the support columns of the tube rack are made of copper connecting columns, so that the mechanical strength of the nuclear magnetic resonance tube rack is effectively improved, the nuclear magnetic tube can be well protected from being damaged by external force, and the nuclear magnetic resonance tube is resistant to acid, alkali and common organic reagents and can be exposed to a strong magnetic field for use without interfering the normal use of a nuclear magnetic resonance instrument and the safety of a sample; (2) high-density elastic silica gel is laid on a bottom plate of the nuclear magnetic pipe frame, and the thickness of the high-density elastic silica gel and the content of a catalyst are optimized, wherein the optimization of the thickness can ensure that a silica gel layer is not easy to fall off in low-temperature storage; the elasticity of the silica gel layer can be ensured by optimizing the proportion of the catalyst, and the silica gel layer is not poor or strong, so that the nuclear magnetic tube is effectively prevented from being broken when contacting a bottom plate in a free-falling mode; (3) through set up elasticity clamping part on the direction through-hole, when the nuclear-magnetism pipe inserted the direction through-hole, drive anchor clamps and rotate, the anchor clamps both ends are followed the radial elastic deformation that takes place of nuclear-magnetism pipe guide through-hole and are pressed from both sides tight nuclear-magnetism pipe to make same nuclear-magnetism pipe support be applicable to and deposit the nuclear-magnetism pipe of different external diameters, the suitability is high.

Drawings

FIG. 1 is a schematic diagram of a nuclear magnetic tube rack according to the present invention;

FIG. 2 is a schematic cross-sectional view of a nuclear magnetic tube rack of the present invention;

FIG. 3 is a schematic diagram of a clamping principle of the clamp according to embodiment 5 of the present invention;

in the figure: 1. a panel; 2. a middle partition plate; 3. a base plate; 4. a pipe frame support column; 5. a guide through hole; 6. fixing screws; 7. positioning holes; 8. a limiting ring; 9. an elastic clamping member; 10. a fixing hole; 11. a clamp; 12. high density elastic silica gel; 13. an arc-shaped groove; 14. a rubber foot pad; 15. and (4) laser marking.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the figure, a nuclear magnetic pipe support comprises a panel 1, a middle partition plate 2, a bottom plate 3 and a pipe support column 4, wherein the panel 1, the middle partition plate 2 and the bottom plate 3 are sequentially arranged at intervals by matching with fixing screws 6 through the pipe support column 4, guide through holes 5 are formed in corresponding positions of the panel 1 and the middle partition plate 2, the bottom plate 3 is provided with positioning holes 7 corresponding to the guide through holes 5 one to one, the panel 1, the middle partition plate 2, the bottom plate 3 and the fixing screws 6 are made of 6061 aluminum alloy after accurate processing, sand blasting and surface oxidation treatment of a numerical control machine tool, and the pipe support column 4 is a copper connecting column; the bottom plate 3 is paved with high-density elastic silica gel 12 which is formed in one step and used for preventing the nuclear magnetic tube from contacting the bottom plate in a free-falling mode and being broken; the thickness of the high-density elastic silica gel 12 is 1-3 mm, and the amount of the high-density elastic silica gel 12 hardening catalyst is 1: 100-1: 40. The benefits of this are: the nuclear magnetic tube rack is made of special materials, so that the nuclear magnetic tube rack can not interfere normal use of a nuclear magnetic resonance instrument and safety of a sample under a high magnetic field environment, is high in mechanical strength, can well protect the nuclear magnetic tube from being damaged by the external force, and is acid-resistant, alkali-resistant and resistant to materials of common organic reagents. The pipe support column is hexagonal copper spliced pole, improves nuclear-magnetism pipe support's commonality and flexibility when reduce cost. The user can configure the copper cylinder of the matching height specification according to the length of the nuclear magnetic tube that oneself used. At least one section of the joint of the hexagonal copper column and the plate is embedded and matched, so that the assembly consistency and the integral high-strength mechanical property are ensured. In addition, high-density elastic silica gel is laid on the bottom plate of the nuclear magnetic tube frame, and the thickness of the high-density elastic silica gel and the content of the catalyst are optimized, wherein the optimization of the thickness can ensure that a silica gel layer is not easy to fall off in low-temperature storage; the elasticity of the silica gel layer can be ensured by optimizing the proportion of the catalyst, and the silica gel layer is not too poor or too strong, so that the nuclear magnetic tube is effectively prevented from being broken when contacting the bottom plate in a free-falling mode.

Further, the bottom of the bottom plate 3 is provided with a rubber foot pad 14, a plurality of protrusions are arranged on the contact surface of the rubber foot pad 14 and the ground, the protrusions are used for providing an acid-resistant and alkali-resistant high-friction bottom surface, and meanwhile, the bottom oxidation coating is protected from being worn too fast in the daily use process.

Furthermore, the guide through hole 5 and the positioning hole 7 are subjected to chamfering treatment, so that the nuclear magnetic tube wall is prevented from being abraded by the metal frame body when the nuclear magnetic tube is taken and placed.

Further, the surface of the panel 1 is provided with a laser mark 15 for numbering and recording the sample placement positions, so that a large number of samples can be stored in order.

Furthermore, the inclined arc-shaped grooves 13 are formed in the two sides of the panel 1, the middle partition plate 2 and/or the bottom plate 3, so that the grabbing habit of a user is met, and the possibility of accidental sliding is reduced.

Furthermore, a limiting ring 8 is arranged on the inner wall of the guide through hole 5, an elastic clamping part 9 is arranged on the guide through hole 5, the elastic clamping part 9 is clamped in the limiting ring 8 and connected with the guide through hole 5, a plurality of fixing holes 10 and a plurality of clamps 11 are arranged on the elastic clamping part 9, the clamps 11 are bent at a certain angle, and the central bending points of the clamps 11 are connected with the fixing holes 10; one end of the clamp 11 is kept horizontal in the plane of the guide through hole 5, and the other end of the clamp is positioned above the panel 1/the middle partition plate 2 and is arranged like an opening; the horizontal end part of the clamp 11 is arranged in an arc convex curved surface, and the arc curved surface at the open end part of the clamp 11 is matched with the outer wall of the nuclear magnetic tube; when the nuclear magnetic tube is placed in, the clamp 11 rotates by taking the fixing hole 10 as an axis, and two end parts of the clamp 11 interact with each other to clamp the nuclear magnetic tube; when the nuclear magnetic tube is taken out, the clamp 11 automatically restores the original state. Through set up elasticity clamping part 9 on direction through-hole 5, when the nuclear-magnetism pipe inserted direction through-hole 5, drive anchor clamps 11 and rotate, anchor clamps 11 head and the tail both ends take place elastic deformation along nuclear-magnetism pipe guide through-hole 5 is radial and press from both sides tight nuclear-magnetism pipe to make same nuclear-magnetism pipe support be applicable to and deposit the nuclear-magnetism pipe of different external diameters.

Further, anchor clamps 11 are PTFE or PET polyester material, compare in whole polypropylene material that adopts of traditional nuclear magnetism pipe support, and low temperature resistance is stronger.

Example 1: a nuclear magnetic pipe support comprises a panel 1, a middle partition plate 2, a bottom plate 3 and a pipe support column 4, wherein the panel 1, the middle partition plate 2 and the bottom plate 3 are sequentially arranged at intervals by matching with fixing screws 6 through the pipe support column 4, guide through holes 5 are formed in corresponding positions of the panel 1 and the middle partition plate 2, the bottom plate 3 is provided with positioning holes 7 corresponding to the guide through holes 5 one to one, the panel 1, the middle partition plate 2, the bottom plate 3 and the fixing screws 6 are made of 6061 aluminum alloy after accurate machining, sand blasting and surface oxidation treatment of a numerical control machine, and the pipe support column 4 is a copper connecting column; the bottom of the bottom plate 3 is provided with a rubber foot pad 14, and a plurality of bulges are arranged on the contact surface of the rubber foot pad 14 and the ground; the guide through holes 5 and the positioning holes 7 are subjected to chamfering treatment, so that the nuclear magnetic tube wall is prevented from being abraded by a metal frame body when the nuclear magnetic tube is taken and placed; the surface of the panel 1 is provided with a laser mark 15 for numbering and recording the placing positions of the samples, so that a large number of samples can be stored in order; the high-density elastic silica gel is paved on the bottom plate in one-step forming mode, the thickness of the high-density elastic silica gel is 1mm, and the amount of the high-density elastic silica gel hardening catalyst is 1: 40. The thickness of the silica gel is only 1mm, the amount of the catalyst is 1:40, the elasticity of the silica gel layer is ensured while the silica gel layer is ensured not to fall off during ultralow temperature storage, and the silica gel is particularly suitable for ultralow temperature nuclear magnetic tube storage.

Example 2: the nuclear magnetic tube rack of this example differs from the nuclear magnetic tube rack of example 1 only in that: the base plate is paved with high-density elastic silica gel which is formed in one step, the thickness of the high-density elastic silica gel is 2mm, and the amount of the high-density elastic silica gel hardening catalyst is 1: 50. The invention is suitable for storing the nuclear magnetic tube at low temperature.

Example 3: the nuclear magnetic tube rack of this example differs from the nuclear magnetic tube rack of example 1 only in that: the bottom plate is paved with high-density elastic silica gel which is formed in one step, the thickness of the high-density elastic silica gel is 2mm, and the amount of the high-density elastic silica gel hardening catalyst is 1: 75. The invention is suitable for storing the nuclear magnetic tube at low temperature.

Example 4: the nuclear magnetic tube rack of this example differs from the nuclear magnetic tube rack of example 1 only in that: the high-density elastic silica gel is paved on the bottom plate in one-step forming mode, the thickness of the high-density elastic silica gel is 3mm, and the amount of the high-density elastic silica gel hardening catalyst is 1: 100. The invention is suitable for storing the nuclear magnetic tube at normal temperature.

Example 5: the nuclear magnetic tube rack of the present embodiment differs from the nuclear magnetic tube rack described above only in that: a limiting ring 8 is arranged on the inner wall of the guide through hole 5, an elastic clamping part 9 is arranged on the guide through hole 5, the elastic clamping part 9 is clamped in the limiting ring 8 and connected with the guide through hole 5, a plurality of fixing holes 10 and a clamp 11 are arranged on the elastic clamping part 9, the clamp 11 is bent at a certain angle, and the central bending point of the clamp 11 is connected with the fixing holes 10; one end of the clamp 11 is kept horizontal in the plane of the guide through hole 5, and the other end of the clamp is positioned above the panel 1/the middle partition plate 2 and is arranged like an opening; the horizontal end part of the clamp 11 is arranged in an arc convex curved surface, and the arc curved surface at the open end part of the clamp 11 is matched with the outer wall of the nuclear magnetic tube; when the nuclear magnetic tube is placed in, the clamp 11 rotates by taking the fixing hole 10 as an axis, and two end parts of the clamp 11 interact with each other to clamp the nuclear magnetic tube; when the nuclear magnetic tube is taken out, the clamp 11 automatically restores the original state. Through set up elasticity clamping part 9 and anchor clamps 11 on direction through-hole 5 and set up uncovered tip, when putting into nuclear magnetic tube, only need aim at uncovered anchor clamps roughly, can accomplish to insert and deposit, it is big to compare current nuclear magnetic tube support aperture, easily put into the operation, when nuclear magnetic tube inserts direction through-hole 5, drive anchor clamps 11 and rotate, anchor clamps 11 head and the tail both ends are followed nuclear magnetic tube guide through-hole 5 and are radially taken place elastic deformation and press from both sides tight nuclear magnetic tube, thereby make same nuclear magnetic tube support be applicable to and deposit the nuclear magnetic tube of different external diameters. In addition 11 detachably of anchor clamps install on the fixed orifices 10, can directly change anchor clamps 11 if the phenomenon such as wearing and tearing, fracture appear in the long-time use for the life of nuclear-magnetism pipe support is longer, practices thrift the experiment cost.

The nuclear magnetic pipe frame finds a perfect balance point on high density and usability through repeated expert verification.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nuclear magnetic pipe support comprises a panel (1), a middle partition plate (2), a bottom plate (3) and pipe support supporting columns (4), wherein the panel (1), the middle partition plate (2) and the bottom plate (3) are sequentially arranged at intervals by matching with fixing screws (6) through the pipe support supporting columns (4), guide through holes (5) are formed in corresponding positions of the panel (1) and the middle partition plate (2), positioning holes (7) which correspond to the guide through holes (5) one by one are formed in the bottom plate (3),

the device is characterized in that a limiting ring (8) is arranged on the inner wall of the guide through hole (5), an elastic clamping part (9) is arranged on the guide through hole (5), the elastic clamping part (9) is clamped in the limiting ring (8) and connected with the guide through hole (5), a plurality of fixing holes (10) and clamps (11) are arranged on the elastic clamping part (9), the clamps (11) are bent at a certain angle, and the central bending points of the clamps (11) are connected with the fixing holes (10); one end of the clamp (11) is kept horizontal in the plane of the guide through hole (5), and the other end of the clamp is positioned above the panel (1)/the middle partition plate (2) and is arranged like an opening; the horizontal end part of the clamp (11) is arranged in an arc convex curved surface, and the arc curved surface of the open end part of the clamp (11) is matched with the outer wall of the nuclear magnetic tube; when the nuclear magnetic tube is placed in, the clamp (11) rotates by taking the fixing hole (10) as an axis, the two ends of the clamp (11) mutually act to clamp the nuclear magnetic tube, and the head end and the tail end of the clamp (11) elastically deform along the radial direction of the guide through hole (5) of the nuclear magnetic tube to clamp the nuclear magnetic tube; when the nuclear magnetic tube is taken out, the clamp (11) automatically restores the original state;

the panel (1), the middle partition plate (2), the bottom plate (3) and the fixing screws (6) are made of 6061 aluminum alloy processed by a numerical control machine tool, sand-blasted and subjected to surface oxidation treatment, and the pipe frame support column (4) is a copper connecting column; one shot forming's high density elasticity silica gel (12) are laid in bottom plate (3), the thickness 1 ~ 3mm of high density elasticity silica gel (12), the volume of high density elasticity silica gel (12) hardening catalyst is 1: 100-1: 40.

2. The nuclear magnetic pipe frame according to claim 1, characterized in that a rubber foot pad (14) is arranged at the bottom of the bottom plate (3), and a plurality of bulges are arranged on the contact surface of the rubber foot pad (14) and the ground.

3. The nuclear magnetic pipe frame according to claim 1 or 2, characterized in that the guide through holes (5) and the positioning holes (7) are chamfered to prevent the metal frame body from grinding the nuclear magnetic pipe wall when the nuclear magnetic pipe is taken and placed.

4. A nuclear magnetic pipe rack according to claim 1 or 2, characterized in that the surface of the panel (1) is provided with laser marks (15) for numbering and recording the sample placement positions, so that a large number of samples can be stored in order.

5. The nuclear magnetic pipe frame according to claim 1 or 2, characterized in that inclined arc-shaped grooves (13) are formed in two sides of the panel (1), the middle partition plate (2) and/or the bottom plate (3), so that the capturing habit of a user in normal times is met, and the possibility of accidental slipping is reduced.

6. A nuclear magnetic pipe rack according to claim 1 or claim 2 in which the jig 11 is of PTFE or PET polyester.