CN104236989B - Sample coating device for elemental analyzer - Google Patents
Sample coating device for elemental analyzer Download PDFInfo
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- CN104236989B CN104236989B CN201410534476.3A CN201410534476A CN104236989B CN 104236989 B CN104236989 B CN 104236989B CN 201410534476 A CN201410534476 A CN 201410534476A CN 104236989 B CN104236989 B CN 104236989B
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Abstract
The invention provides a sample coating device for an elemental analyzer. The sample coating device comprises a support frame, a handle, a connection member, an extruding device, and a sample cell, wherein the support frame comprises a seat, a support on the seat, and a guiding portion on the support frame, the guiding portion is used for guaranteeing alignment of the connection member to the sample cell and vertically provided with an inserting hole, the handle is hinged to the support, one end of the connection member is hinged to the handle, the other end of the connection member is inserted in the inserting hole of the guiding portion, the sample cell is arranged in the seat below the connection member, and the extruding device is an independent member for being inserted in the sample cell to extrude samples. The sample coating device is high in operability and capable of saving costs, accelerating working speeds of coating samples, and greatly improving work efficiency, and the defect of single sizes of prior manual sample coating devices is overcome.
Description
Technical field
The invention belongs to a kind of manual cladding sampling tool being exclusively used in elemental analyser, specifically a kind of element divides
Analyzer ladle sample device.
Background technology
Elemental analyser (German elementar) is a kind of the most widely used at present large-sized analytic instrument, has multiple
Analytical model includes: common several of chns, chn, cns, cn, s, o.When carrying out sample analysis, using Dynamic Burning method and
The principle of adsorption-desorption, by complete for sample combustion decomposition and be converted into gas it is possible to accurately analyze c, h, n, s, o in material
The percentage composition of element, so not only substantially reduces the time of sample analysis, and also improves the precision of sample analysis.Remove
Outside this, elemental analyser can sample size larger, several samples can be measured, wherein also include the poor sample of uniformity
Product, the sample such as catalyst, coal, soil, agricultural products, fertilizer, synthetic material, geological sample, the sample of these lack of homogeneitys
Product can eliminate, by improving sample size, the impact bringing because of lack of homogeneity to test result well, makes certainty of measurement more accurate
Really it is seen that elemental analyser range of application widely.
Be mainly used in when being applied to marine technology field in deposit the mensure of cn and Particulate Organic Carbon In Seawater,
The mensure of granule nitrogen, but the mensure of particulate organic carbon, granule nitrogen needs filter membrane will to be taken after sea water filter to enter with the method for sucking filtration
Row measurement, this is accomplished by first being coated filter membrane.Sample must first be stacked by the manual ladle sample device of existing application in ladle sample
Very neat, and need with the hands extrusion cladding sample during packaging, work when this has resulted in cladding membrane sample
Make efficiency low；Simultaneously because elemental analyser equipment needs to put into sample in sample injection disc when analyzing sample, but due to entering
The size of sample dish differs, and various sizes of sample injection disc analysis sample needs to be wrapped with different size of manual ladle sample device
Cover, be so accomplished by constantly changing manual ladle sample device type, manual ladle sample device is mostly to buy from external import, relatively costly,
Complex operation and work efficiency is relatively low.Again, tight due to leading to sample to fail cladding the problems such as different operating human users are improper
Real, so it is easy for occurring that sample card can not enter in elemental analyser in instrument sample injection disc or sample is due to failing to compress
And masking foil is strutted, cause sample contamination.
Content of the invention
The present invention proposes a kind of elemental analyser that can overcome disadvantages mentioned above ladle sample device, and its structure can meet multiple chis
Very little sample bag is carried out, and packs more consolidation, and can be with reduces cost, raising work efficiency.
The purpose of the present invention is achieved through the following technical solutions:
A kind of elemental analyser ladle sample device, including bracing frame, handle, connector, squeezer, sample cell, described support
Frame includes base, the support on base, is directed at the guide portion of sample cell for guaranteeing connector on support, and described guide portion is vertical
Setting jack, described handle is hinged with described support, and described connector one end is hinged with described handle, and the other end is plugged in described
In the jack of guide portion, described sample cell is arranged on the base below described connector, and described squeezer is used for for separate piece
Insertion sample cell extruding sample.
Further, described connector top is to connect into I-shape construction in the middle part of two blocks of wing plates, described two wing plate two ends
All carry pin shaft hole, connector bottom is a connecting rod carrying pin shaft hole, described connecting rod is led to described two pieces of wing plate bottoms
Cross bearing pin to connect, described two pieces of wing plate tops of connector are connected by bearing pin with described middle handle.
Further, described connecting rod is wound with spring, and described spring upper end withstands on described connection sheet bottom, lower spring end
Withstand on the top of described guide portion.
Further, described base is arranged a sample pusher, described sample pusher is a thin cylinder.
Further, described sample pusher welding or be plugged on described base, a diameter of 4-5mm of described sample pusher, highly
For 11-16mm.
Further, it is provided with one below described sample cell for fixing the fixing device of described sample cell.
Further, described fixing device upper end carries two projections, and described two raised relative medial surface are cambered surface, described
The distance between two projections are identical with described sample cell external diameter, and grafting or welding are passed through with base even in described fixing device lower end
Connect.
Further, described sample cell for bottom offer 4-5mm opening cylinder cup, described sample cell is a height of
10-15mm, external diameter is 9-10mm.
Further, described squeezer is a multidiameter being formed by two sections of cylinders of thickness, described multidiameter upper end
Open up fluted on thick cylindrical end face, the thin cylinder height of described squeezer lower end is 11-16mm, described squeezer lower end
Thin cylinder diameter be less than described sample cell internal diameter 1-2mm.
The present invention compared with prior art has many advantages and a good effect:
1. sample, compared with manual ladle sample device in the past, need not first be stacked neatly before using manual ladle sample device by the present invention,
But sample is directly placed in sample cell, workable, save the time.
2. conventional manual ladle sample device needs people directly to extrude to complete the cladding work of sample with handss, usually due to operation
The a variety of causes such as itself misoperation of personnel, image force amount deficiency etc. causes cladding not tight, makes sample wait process to be analyzed
In strut masking foil, pollute, the accuracy of impact analysis data, the present invention pass through arrange one handle, pushed by handle
The pressure that the lever principle of connector quickly realizes sample is carried out packaging and is not in sample because strength not leads to during cladding
Sample packaging tight and burst the phenomenon of masking foil, accelerate the speed of cladding sample, substantially increase work efficiency.
3. the present invention only need to change the size of squeezer and sample cell on accessory and just can coat out the sample of different-diameter
Product, solve the single shortcoming of former manual ladle sample device size, need not buy Multiple Type manual ladle sample device again, save cost,
It also avoid simultaneously due to manual ladle sample device cladding sample size larger, sample is easily stuck in the problem in instrument sample injection disc.
4. the present invention, in addition to can coating sample, can also make required Xi Zhou during cladding sample, current instrument
The Xi Zhou that company the is produced price of each closes 3 yuan about of RMB, and only utilizes the cost of the equipment making Xi Zhou of the present invention
Only several maos, can greatly save the expense of experiment consumptive material.
Brief description
Fig. 1 is the structural representation of the squeezer of elemental analyser ladle sample device of the present invention；
Fig. 2 is the structural representation of the sample cell of elemental analyser ladle sample device of the present invention；
Fig. 3 is the sample pusher structural representation of elemental analyser ladle sample device of the present invention；
Fig. 4 is the fixture structure schematic diagram of elemental analyser ladle sample device of the present invention；
Fig. 5 is elemental analyser ladle sample device overall structure installation diagram of the present invention；
Fig. 6 is the assembling detail enlarged drawing of elemental analyser ladle sample device of the present invention；
Fig. 7 is elemental analyser ladle sample device working state schematic representation of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1-Fig. 5, a kind of elemental analyser of present invention embodiment of ladle sample device, including bracing frame 1, handle 2, connect
Fitting 3, squeezer 4, sample cell 5, bracing frame 1 includes base 11, the support 12 on base, is used for guaranteeing connector pair on support
The guide portion 13 of quasi- sample cell, the vertically arranged jack of guide portion 13, handle 2 is hinged with support 12, connector 3 one end and handle 2
Hinged, the other end is plugged in the jack of guide portion 13, and sample cell 5 is arranged on the base 11 of connector 3 lower section, squeezer 4
It is used for inserting sample cell 5 extruding sample for separate piece.
The present invention arranges a base 11 as the support of whole device, simultaneously for ease of being connected with handle 2, operation handle 2,
It is provided with support 12 on the pedestal 11 again, and is also provided with a guide portion 13, this guide portion 13 is arranged in support 12 mostly
Portion position, Main Function is the fixing any movement limiting connector 3, and the direction of motion of guiding connector 3 is it is ensured that connector 3
Bottom can be directed at immediately below it squeezer 4 and the sample cell 5 of setting, be arranged at and be present to ensure that in handss immediately below it
Handle 2 pressure band follower link 3 can just be pressed in squeezer 4 when pushing, that is, when pressing handle 2, the active force of handle 2
Pass to connector 3, so that the direction that connector 3 bottom sets along guide portion 13 is moved down, at this moment connector 3 bottom press-in extruding
Inside device 4, squeezer 4 and then press sample cell 5.
In the present embodiment, the top of connector 3 is that two blocks of wing plates 311,312 middle part connects the I-shape construction being formed
31, two wing plates 311,312 two ends all carry pin shaft hole, and connector 3 bottom is a connecting rod 32 carrying pin shaft hole, connecting rod 32
It is connected by bearing pin with two blocks of wing plates 311,312 bottoms, pin is passed through at two blocks of wing plates 311 of connector, 312 tops and handle 2 middle part
Axle connects, relatively labor-saving when having the suitable arm of force when so may insure and pushing and pushing, and realizes convenient, flexible turning when pushing
Dynamic.
In order to ensure handle 2 can return to original position after pushing, the connecting rod 32 of the bottom of connector 3 is wound around
There is spring 321, spring 321 upper end withstands on the bottom of two blocks of wing plates, spring 321 lower end withstands on the top of guide portion 13, so exists
After applying pressure, spring 321 can make handle 2 return to 2 one opposite force effects of handle because itself deflection will be recovered
With front position.
In order to may insure connector 3 be accurately pressed in squeezer 4 it is ensured that when pushing whole device stability,
It is provided with one for fixing the fixing device 6 of described sample cell 5 below described sample cell 5.
And then upper end carries two projections 61 to be used for fixing the fixing device 6 of sample cell 5, two raised 61 relative medial surface are
Cambered surface, the distance between two projections 61 are identical with described sample cell 5 external diameter, and such sample cell 5 can just be fastened on fixing device 6
Two projections 61 between, grafting is passed through in fixing device 6 lower end or welding is connected with base 11, realizes perfect fixation.
Specifically, sample cell 5 offers the cylinder cup in a diameter of 4-5mm hole from bottom centre, and sample cell 5 is a height of
10-15mm, external diameter is 9mm, and depending on the concrete size of sample according to required bag shoe for the internal diameter, various sizes of sample is from different
The sample cell 5 of internal diameter size, realizes the multiformity that sample bag is carried out.In order to may insure that connector 3 is accurately pressed into extruding
In device 4 it is ensured that when pushing whole device stability, be provided with one below sample cell 5 for fixing consolidating of described sample cell 5
Determine device 6.
For realizing the insertion cooperation with sample cell 5, squeezer 4 is a multidiameter being formed by two sections of cylinders of thickness, rank
Open up fluted on thick cylinder 41 end face of terraced axle upper end, arranging this groove structure is pressure when connector 3 pushes for convenience
Enter inside grooves, thin cylinder 42 height of squeezer 4 lower end is 11-16mm, in order to realize carrying out for the extruding bag of sample, squeeze
The thin cylinder in depressor 4 lower end 42 diameter will be chosen according to the internal diameter size of sample cell 5 it is generally the case that squeezer 4 lower end is thin
Cylinder 42 diameter is less than described sample cell 5 internal diameter 1-2mm.
For convenience of releasing sample, it is also provided with a sample pusher 7 on the pedestal 11, sample pusher 7 is a thin cylinder.Sample pusher
7 welding or be plugged on base 11, in the present embodiment sample pusher 7 select for a thin cylinder, certain sample pusher 7 is alternatively it
His version, such as square column, polygon post etc., Main Function is to release the sample in sample cell 5, its concrete structure chi
The very little size with sample cell 5 lower surface opening matches, therefore sample pusher 7 diameter typically chooses 4-5mm, highly for 11-16mm, can
Sample is fully released.
Specifically the use step in application is as follows:
First, take the masking foil of 50mm × 50mm, sample filter membrane is placed in the middle of masking foil, with tweezers by sample together with stannum
Foil paper is spooled and is put in sample cell 5.
Secondly, squeezer 4 is inserted in sample cell 5, then pressing handle 2 makes squeezer 4 that sample to be squeezed into sample completely
In product groove 5 and be compacted, now the spring 321 between the connector 3 on manual shaft 2 and support 12 middle part guide portion 13 can make handss
Handle 2 recovers origin-location automatically.
Finally, after extruding finishes, sample cell 5 is taken out from base, bottom opening is directed at sample pusher 7, and sample is released.
Practical step when making stannum boat is as follows:
First, take the masking foil of 15mm × 15mm, by tinfoil paper paper roll 42 on the thin cylinder in squeezer 4 lower end.
Secondly, squeezer 4 is inserted in sample cell 5, then pressing handle 2 makes squeezer 4 will roll up the stannum on squeezer 4
Foil paper is completely forced in sample cell 5 and is compacted, now the spring between the connector 3 on handle and support 12 middle part guide portion 13
321 can make handle 2 automatically recover origin-location.
Finally, after extruding finishes, sample cell 5 is taken out from base, bottom opening is directed at sample pusher 7, and Xi Zhou is released.
As can be seen that work efficiency can be improved using this device, improve sample cladding and Xi Zhou can be made, reduce
Consumables cost, has simple to operation, strong operability characteristic.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention is made with other forms, appoints
What those skilled in the art possibly also with the disclosure above technology contents changed or be modified as equivalent variations etc.
Effect embodiment.But every without departing from technical solution of the present invention content, according to the present invention technical spirit to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within the protection domain of technical solution of the present invention.
Claims (5)
1. a kind of elemental analyser with ladle sample device it is characterised in that include bracing frame, handle, connector, squeezer, sample cell,
Support frame as described above includes base, the support on base, is directed at the guide portion of sample cell for guaranteeing connector on support, described draws
The vertically arranged jack in the portion that leads, described handle is hinged with described support, and described connector one end is hinged with described handle, and the other end is inserted
It is located in the jack of described guide portion, described sample cell is arranged on the base below described connector, and described squeezer is only
Vertical part is used for inserting sample cell extruding sample；Described connector top is to connect into I-shape construction in the middle part of two blocks of wing plates, described
Two wing plate two ends all carry pin shaft hole, connector bottom be one carry pin shaft hole connecting rod, described connecting rod with described two pieces
Wing plate bottom is connected by bearing pin, and described two pieces of wing plate tops of connector are connected by bearing pin with described middle handle；Described company
Extension bar is wound with spring, and described spring upper end withstands on described two pieces of wing plate bottoms, and lower spring end withstands on the top of described guide portion,
It is provided with one for fixing the fixing device of described sample cell, it is convex that described fixing device upper end carries two below described sample cell
Rise, described two raised relative medial surface are cambered surface, and the distance between described two projections are identical with described sample cell external diameter, described
Fixing device lower end is connected with base by grafting.
2. elemental analyser ladle sample device according to claim 1 pushes away sample it is characterised in that arranging one on described base
Device, described sample pusher is a thin cylinder.
3. elemental analyser ladle sample device according to claim 2 is it is characterised in that described sample pusher welds or is plugged in
On described base, a diameter of 4-5mm of described sample pusher, highly for 11-16mm.
4. elemental analyser ladle sample device according to claim 1 is it is characterised in that described sample cell is bottom centre opens
It is provided with the cylinder cup in a diameter of 4-5mm hole, a height of 10-15mm of described sample cell, external diameter is 9-10mm.
5. the elemental analyser ladle sample device according to any one of claim 1-4 is it is characterised in that described squeezer is one
The multidiameter being formed by two sections of cylinders of thickness, the thick cylindrical end face of described multidiameter upper end opens up fluted, described crowded
The thin cylinder height of depressor lower end is 11-16mm, and the thin cylinder diameter of described squeezer lower end is less than in described sample cell
Footpath 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534476.3A CN104236989B (en) | 2014-10-11 | 2014-10-11 | Sample coating device for elemental analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534476.3A CN104236989B (en) | 2014-10-11 | 2014-10-11 | Sample coating device for elemental analyzer |
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| CN104236989A CN104236989A (en) | 2014-12-24 |
| CN104236989B true CN104236989B (en) | 2017-02-01 |
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| CN201410534476.3A Active CN104236989B (en) | 2014-10-11 | 2014-10-11 | Sample coating device for elemental analyzer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106876234B (en) * | 2017-04-17 | 2018-06-26 | 南京大学 | A kind of sample stage for the analysis of mineral facies automatic identification |
| CN108827749A (en) * | 2018-09-14 | 2018-11-16 | 长沙开元仪器有限公司 | A kind of ladle sample mechanism |
| CN110672780B (en) * | 2019-11-18 | 2020-09-25 | 中国水产科学研究院黄海水产研究所 | Analysis method for analyzing granular organic carbon and granular nitrogen in seawater by utilizing EA (extractive solution) |
| CN110672709B (en) | 2019-11-18 | 2020-07-03 | 中国水产科学研究院黄海水产研究所 | Method for analyzing particle organic carbon and nitrogen stable isotopes in seawater by EA-IRMS |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2489322Y (en) * | 2001-08-13 | 2002-05-01 | 宗国平 | Disk sampler |
| CN2860807Y (en) * | 2005-06-24 | 2007-01-24 | 刘永礼 | Stealth false tooth forming machine |
| KR101167378B1 (en) * | 2009-10-29 | 2012-07-19 | 현대제철 주식회사 | Mounting Apparatus for specimen of steel |
| CN201662484U (en) * | 2009-12-30 | 2010-12-01 | 新泰市产品质量监督检验所 | Test specimen sampler for tensile load test of plastic woven bag |
| CN102540444B (en) * | 2011-12-20 | 2014-03-12 | 肇庆理士电源技术有限公司 | Sample observation surface flattening device for microscope and sample flattening method |
| CN204128881U (en) * | 2014-10-11 | 2015-01-28 | 中国水产科学研究院黄海水产研究所 | A kind of elemental analyser ladle sample device |
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