CN218199635U - Liquid nitrogen storage device convenient to it is fixed and brittle failure sample - Google Patents
Liquid nitrogen storage device convenient to it is fixed and brittle failure sample Download PDFInfo
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- CN218199635U CN218199635U CN202222177607.XU CN202222177607U CN218199635U CN 218199635 U CN218199635 U CN 218199635U CN 202222177607 U CN202222177607 U CN 202222177607U CN 218199635 U CN218199635 U CN 218199635U
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Abstract
The utility model relates to the field of detection equipment, in particular to a liquid nitrogen storage device convenient for fixing and brittle failure samples, which comprises a liquid nitrogen storage tank, a supporting seat fixed at the bottom of the liquid nitrogen storage tank, a sample carrying platform positioned at the upper side of the supporting seat, a sample carrying platform cover body positioned above the sample carrying platform, and a brittle failure mechanism, wherein the upper part of the supporting seat is provided with a positioning groove, and the lower part of the sample carrying platform is integrally connected with a positioning lug adaptive to the shape of the positioning groove; the upper side of the sample carrying platform is provided with a plurality of sample containing grooves, the sample carrying platform is connected with a sample carrying platform support frame, and the sample carrying platform support frame comprises a support frame body and a sample carrying platform connecting handle connected to the upper end of the support frame body; the brittle failure mechanism comprises brittle failure cutters which are respectively arranged corresponding to the positions of the sample accommodating grooves. The embodiment of the application provides a liquid nitrogen storage device, through setting up the sample holding tank, the fixed sample of being convenient for, and through setting up brittle failure structure, be convenient for carry out brittle failure to the sample, made things convenient for user's use.
Description
Technical Field
The utility model relates to a check out test set field especially relates to a liquid nitrogen storage device convenient to fixed and brittle failure sample.
Background
Scanning electron microscopy is a large analytical instrument for analyzing materials at nanometer and micrometer dimensions that uses a focused, very fine, 0.8nm, high energy electron beam to scan a sample. Scanning electron microscopes are commonly used for the observation and study of sample sections.
At present, the samples are generally placed in a liquid nitrogen storage tank for brittle fracture at low temperature, and the conventional liquid nitrogen storage device is inconvenient for fixing the samples and brittle fracture of the samples.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome the not enough that exists among the prior art, provide a liquid nitrogen storage device convenient to fixed and brittle failure sample.
The utility model discloses a realize through following technical scheme:
a liquid nitrogen storage device for facilitating retention and brittle fracture of a sample, comprising: a liquid nitrogen storage tank, a supporting seat fixed at the bottom of the liquid nitrogen storage tank, a sample carrying platform positioned at the upper side of the supporting seat, a sample carrying platform cover body positioned above the sample carrying platform, and a brittle failure mechanism, wherein,
the upper part of the supporting seat is provided with a positioning groove, and the lower part of the sample carrying table is integrally connected with a positioning lug which is adaptive to the shape of the positioning groove;
the upper side of the sample carrying platform is provided with a plurality of sample containing grooves, the sample carrying platform is connected with a sample carrying platform support frame, and the sample carrying platform support frame comprises a support frame body and a sample carrying platform connecting handle connected to the upper end of the support frame body;
the sample carrying table cover body covers the upper side of the sample accommodating groove;
the brittle failure mechanism comprises brittle failure cutters which are arranged corresponding to the positions of the sample accommodating grooves respectively, cutter supporting frames which are connected with the brittle failure cutters respectively, and cutter connecting handles which are connected with the cutter supporting frames, and the top ends of the cutter connecting handles are hung on the sample carrying table connecting handles.
Optionally, the cutter support frame includes cutter connecting rods fixedly connected to the respective brittle fracture cutters, and first cross rods fixedly connected to the respective cutter connecting rods, the brittle fracture cutters are located inside the sample carrying table cover body, and the upper portion of the sample carrying table cover body is provided with a yielding hole through which the respective cutter connecting rods can pass.
Optionally, the top end of the cutter connecting handle has a handle portion, and the sample-carrying table connecting handle is fixed with an elastic sleeve rope at a position close to the handle portion, the elastic sleeve rope being used for sheathing the handle portion at the top end of the cutter connecting handle so as to hang the top end of the cutter connecting handle on the sample-carrying table connecting handle.
Optionally, the sample carrying table support frame comprises sample carrying table connecting rods located on two sides of the sample carrying table and second cross rods fixedly connected with the sample carrying table connecting rods, and the sample carrying table connecting rods are detachably connected with the sample carrying table.
Optionally, the liquid nitrogen storage tank includes an outer shell, a containing cavity for containing liquid nitrogen, and an insulating layer between the outer shell and the containing cavity.
The utility model has the advantages that:
the liquid nitrogen storage device that this application embodiment provided is through setting up the sample holding tank, the fixed sample of being convenient for to through setting up brittle failure structure, be convenient for carry out brittle failure to the sample, made things convenient for user's use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 and 3 are schematic structural views of the internal brittle fracture structure of the present invention at the time of brittle fracture.
In the figure: 1. the liquid nitrogen sample loading device comprises a liquid nitrogen storage tank, 2. A supporting seat, 3. A sample loading table, 4. A sample loading table cover body, 5. A positioning groove, 6. A positioning bump, 7. A sample accommodating groove, 8. A sample loading table connecting handle, 9. A brittle fracture cutter, 10. A cutter connecting handle, 11. A cutter connecting rod, 12. A first cross rod, 13. A handle part, 14. An elastic sleeve rope, 15. A sample loading table connecting rod, 16. A second cross rod, 17. An outer shell, 18. An accommodating cavity, 19. An insulating layer and 20. A limiting frame.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model provides a liquid nitrogen storage device convenient to it is fixed and brittle failure sample, include: the liquid nitrogen storage tank 1, be fixed in the supporting seat 2 of liquid nitrogen storage tank bottoms, be located the sample platform 3 that carries of supporting seat upside, be located the sample platform that carries top of the platform cover body 4 to and brittle failure mechanism.
The upper part of the supporting seat is provided with a positioning groove 5, and the lower part of the sample carrying table is integrally connected with a positioning lug 6 which is matched with the positioning groove in shape.
Carry the appearance bench upside to open and to have a plurality of sample holding tank 7, carry the appearance platform to be connected with carrying the appearance platform support frame, carry the appearance platform support frame to include the support frame body to and connect in the appearance platform connection handle 8 that carries of support frame body upper end.
The sample carrying table cover body covers the upper side of the sample accommodating groove;
the brittle failure mechanism comprises brittle failure cutters 9 which are arranged corresponding to the positions of the sample accommodating grooves respectively, cutter supporting frames which are used for being connected with the brittle failure cutters respectively, and cutter connecting handles 10 which are connected with the cutter supporting frames, and the top ends of the cutter connecting handles are hung on sample carrying table connecting handles.
The liquid nitrogen storage tank can contain liquid nitrogen. The sample carrying table can carry a sample, and after the sample carrying table is placed in liquid nitrogen, the sample carrying table cover body covers the outer side of the sample carrying table. After the sample carrying table is placed in liquid nitrogen, the samples can be brittle-cut through the brittle-cutting mechanism after the samples are cooled by the liquid nitrogen.
The user can realize taking the sample carrying table as a whole by gripping the sample carrying table connecting handle.
Through setting up locating convex block and positioning groove, will fix a position the convex block card in positioning groove, realize will carry the appearance platform to be fixed in on the supporting seat firmly.
The sample holding tank may be a strip-shaped tank for holding a strip-shaped sample.
The brittle failure cutter is arranged corresponding to the sample containing groove, the cutter is arranged above the sample containing groove, and the brittle failure of the sample in the corresponding sample containing groove is realized by pressing the brittle failure cutter downwards.
The cutter support frame is used for supporting the brittle fracture cutter, and the top end of the cutter connecting handle is hung on the sample carrying table connecting handle, so that the brittle fracture mechanism can be fixed above the sample accommodating groove.
Optionally, the cutter support frame includes a cutter connecting rod 11 fixedly connected to each brittle fracture cutter, and a first cross rod 12 fixedly connected to each cutter connecting rod, the brittle fracture cutter is located inside the sample carrying table cover body, and the upper part of the sample carrying table cover body is provided with a yielding hole through which each cutter connecting rod can pass.
The cutter connecting rod can freely move in the yielding hole formed in the sample carrying table cover body, so that the cutter connecting rod cannot be influenced by the sample carrying table cover body when the cutter is pressed down.
Optionally, the sample carrying table cover body can be a box body matched with the sample carrying table in shape, and a circle of limiting frame 20 can be arranged on the periphery of the upper portion of the sample carrying table and used for limiting the sample carrying table cover body on the inner side of the supporting frame.
Optionally, it is characterized in that the top end of the cutter stem has a handle portion 13, and the sample carrier stem is fixed at a position close to the handle portion with an elastic strap 14 for hitching the handle portion at the top end of the cutter stem to the sample carrier stem.
The top end of the cutter connecting handle is provided with a handle part, and a user can grasp the cutter connecting handle through the handle part. The spring sleeve rope is a rope or a hanging belt with certain elasticity and is used for sleeving the handle part to realize the integral fixation of the brittle failure mechanism. The size of the handle part can be larger than that of other parts of the cutter connecting handle, so that the cutter connecting handle is conveniently hung by the elastic sleeve rope.
The position and the elasticity of the elastic sleeve rope can be reasonably arranged, so that when the cutter connecting handle is sleeved by the elastic sleeve rope, the brittle fracture cutter at the lower part is positioned above the sample, and the position of the brittle fracture cutter can be as shown in figure 2. As shown in fig. 3, when brittle fracture needs to be carried out, the elastic loop rope is pulled to enable the cutter connecting handle to be separated from the inner side of the elastic loop rope, at the moment, a user can hold the cutter connecting handle by hand and impact the cutter connecting handle downwards, so that the brittle fracture cutter can impact towards a sample contained in the sample containing groove, and after the brittle fracture cutter is contacted with the sample, the sample is brittle-fractured by the impact force of the brittle fracture cutter.
In the embodiment of the application, can set up the brittle failure cutter of multiunit, realize once only carrying out brittle failure to a plurality of samples, promote operating efficiency.
Optionally, the sample platform support frame includes sample platform connecting rods 15 located at two sides of the sample platform, and second cross rods 16 fixedly connected to the sample platform connecting rods, and the sample platform connecting rods are detachably connected to the sample platform.
In practical use, can make and carry a kind platform connecting rod and carry a kind platform and can dismantle the connection to be convenient for carry kind platform and carry the separation of kind platform support frame. Particularly, can load the sample earlier in carrying the appearance platform, then will carry appearance platform and carry appearance platform connecting rod fixed connection for carry the appearance platform and carry the appearance platform support frame fixed, thereby can carry the appearance platform connecting handle to realize taking to carrying the appearance platform through the gripping.
As an example, screw holes can be arranged on two sides of the sample carrying table, screw holes can also be arranged on the sample carrying table connecting rod, and the sample carrying table connecting rod and the sample carrying table can be detachably connected through bolts sequentially penetrating through the screw holes of the sample carrying table connecting rod and the screw holes of the sample carrying table.
Optionally, the liquid nitrogen storage tank includes an outer shell 17, a containing chamber 18 for containing liquid nitrogen, and an insulating layer 19 between the outer shell and the containing chamber.
The shell is used for supporting the whole liquid nitrogen storage tank, liquid nitrogen can be contained in the containing cavity, and the heat preservation layer is used for preserving heat of the liquid nitrogen storage tank.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A liquid nitrogen storage device convenient for fixing and brittle fracture samples is characterized by comprising: a liquid nitrogen storage tank, a supporting seat fixed at the bottom of the liquid nitrogen storage tank, a sample carrying platform positioned at the upper side of the supporting seat, a sample carrying platform cover body positioned above the sample carrying platform, and a brittle failure mechanism, wherein,
the upper part of the supporting seat is provided with a positioning groove, and the lower part of the sample carrying table is integrally connected with a positioning lug which is matched with the positioning groove in shape;
the upper side of the sample carrying platform is provided with a plurality of sample containing grooves, the sample carrying platform is connected with a sample carrying platform support frame, and the sample carrying platform support frame comprises a support frame body and a sample carrying platform connecting handle connected to the upper end of the support frame body;
the sample carrying table cover body covers the upper side of the sample accommodating groove;
the brittle failure mechanism comprises brittle failure cutters which are arranged corresponding to the positions of the sample accommodating grooves respectively, cutter supporting frames which are used for being connected with the brittle failure cutters respectively, and cutter connecting handles which are connected with the cutter supporting frames, and the top ends of the cutter connecting handles are hung on the sample carrying table connecting handles.
2. The liquid nitrogen storage device convenient for fixing and brittle failure samples as claimed in claim 1, wherein the cutter support frame comprises a cutter connecting rod fixedly connected with each brittle failure cutter and a first cross rod fixedly connected with each cutter connecting rod, the brittle failure cutter is positioned at the inner side of the sample carrying table cover body, and the upper part of the sample carrying table cover body is provided with a yielding hole for each cutter connecting rod to pass through.
3. The liquid nitrogen storage device for fixing and brittle fracture sample as claimed in claim 2, characterized in that the cutter connecting handle top end has a handle part, the sample holder connecting handle is fixed with an elastic sleeve rope at a position close to the handle part, the elastic sleeve rope is used for sleeving the handle part at the cutter connecting handle top end so as to hang the cutter connecting handle top end on the sample holder connecting handle.
4. The liquid nitrogen storage device convenient for fixing and brittle fracture of samples as claimed in claim 3, wherein the sample carrying table support frame comprises sample carrying table connecting rods located at two sides of the sample carrying table and second cross rods fixedly connected with the sample carrying table connecting rods, and the sample carrying table connecting rods are detachably connected with the sample carrying table.
5. The liquid nitrogen storage device for facilitating fixing and brittle fracture of a sample according to claim 4, wherein the liquid nitrogen storage tank comprises an outer shell, a containing cavity for containing liquid nitrogen, and an insulating layer between the outer shell and the containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177607.XU CN218199635U (en) | 2022-08-18 | 2022-08-18 | Liquid nitrogen storage device convenient to it is fixed and brittle failure sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177607.XU CN218199635U (en) | 2022-08-18 | 2022-08-18 | Liquid nitrogen storage device convenient to it is fixed and brittle failure sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218199635U true CN218199635U (en) | 2023-01-03 |
Family
ID=84657143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222177607.XU Active CN218199635U (en) | 2022-08-18 | 2022-08-18 | Liquid nitrogen storage device convenient to it is fixed and brittle failure sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218199635U (en) |
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2022
- 2022-08-18 CN CN202222177607.XU patent/CN218199635U/en active Active
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