CN204165777U - The solid-state micro-example sampler of a kind of analytical precision balances - Google Patents
The solid-state micro-example sampler of a kind of analytical precision balances Download PDFInfo
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- CN204165777U CN204165777U CN201420687247.0U CN201420687247U CN204165777U CN 204165777 U CN204165777 U CN 204165777U CN 201420687247 U CN201420687247 U CN 201420687247U CN 204165777 U CN204165777 U CN 204165777U
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Abstract
The utility model discloses the solid-state micro-example sampler of a kind of analytical precision balances, comprise handle, control lever and sampling head, handle is in axial direction provided with through hole, and control lever stretches into and passes described through hole; Sampling head comprises with the outer wall of sampling window and the sampling portion that surrounded by outer wall, and sampling portion is flexibly connected with control lever, and outer wall is flexibly connected with handle; Sampling portion is the multiple cross sections arranged along its circumferencial direction is that fan-shaped sampling cavity volume is formed, and has at least a sampling cavity volume to be filled part and fill closed in sampling cavity volume.A kind of small-sized sampler of the utility model development and Design, and the equal quick release of all parts of sampler, be convenient to clean and sterilizing, can prevent microorganism and residue to the cross pollution of sample.There is sampling rapidly, easy and simple to handle, arbitrarily add the advantages such as sample size.The solid sample weighing sampling that the material diameters such as the common powder in laboratory, granule, small crystals are less than 0.5 centimetre can be widely used in.
Description
Technical field
The utility model relates to sampler, is specifically related to the solid-state micro-example sampler of a kind of analytical precision balances.
Background technology
Analytical balance is one of exact instrument commonly used in quantitative test, and especially for price solid-state pharmacy costly, the quantitative test of each sample material needs to use analytical balance all directly or indirectly.And the accuracy of sample weighing is the basic of subsequent analysis test, directly affect precision of analysis, particularly (surpassing) trace analysis now, the weighing of precise electronic analytical balance is had higher requirement.In laboratory, the weighing sampling method of common solid sample mainly contains: 1. specify method, namely accurately takes the sample of certain mass number as requested.Its weigh sampling method normally medication spoon contain after sample thief, then with pointing springing medicine spoon gently, make sample slowly fall into container, until the quality point of balance reaches required mass figures.Its operation must have certain basic training, and has the operating habit of specification could complete sampling faster.2. direct method, namely first claims accurate surface plate, crucible, the quality of the containers such as small beaker, then sample is put into container weighs, and the difference of twice weighing is the quality of sample.Although this kind of method sampling weighing speed is very fast, participant has a certain distance with the mass number designed in advance, and each sampling quality number all can not be identical.Above two kinds of weighing techniques are only applicable to the stable sample of Nature comparison in atmosphere.3. Subtraction method, is applicable to weigh general easy moisture absorption, oxidizable, easily and the sample of carbon dioxide reaction, is also applicable to the quality of the same sample of consecutive weighings several parts.It weighs sampling method: in the measuring cup of dried and clean, load a certain amount of sample, build bottle cap, be placed on scale pan and claim its quality, write down accurate reading.Then take off measuring cup, open bottle cap, bottle is tilted, knock the upper edge of bottle with bottle cap gently, make sample slowly just go out to be placed in clean beaker.When estimating enough, slowly hold up measuring cup, then strike gently several under, make bottleneck not stay any samples, put back on scale pan and claim its quality again.As the sample once poured out is inadequate, can more once, but number of times can not be too many.Sample as weighed up exceeds required value, can only discard.The difference of twice weighing is the quality of sample.Weighing gloves must be with during weighing, must note sample not being sprinkled upon container exterior.And for taking very strong (the anhydrous CaCl of some hydroscopicity
2, anhydrous MgClO
4, P
2o
5deng) and sample (calcium oxide, the baryta hydrate etc.) of easy absorbing carbon dioxide time, require to be swift in motion, also should take other safeguard measures if desired.
For laboratory precision ten thousand/or 100,000/ electronic analytical balance and (surpassing) trace materials quantitative test time, how fast, easy and take required quality solid-state sample accurately and become problem demanding prompt solution.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides the solid-state micro-example sampler of a kind of analytical precision balances.
The technical solution of the utility model is: the solid-state micro-example sampler of a kind of analytical precision balances, and comprise handle, control lever and sampling head, described handle is in axial direction provided with through hole, and described control lever stretches into and passes described through hole; Described sampling head comprises with the outer wall of sampling window and the sampling portion that surrounded by outer wall, and described sampling portion is flexibly connected with described control lever, and described outer wall is flexibly connected with described handle; Described sampling portion is the multiple cross sections arranged along its circumferencial direction is that fan-shaped sampling cavity volume is formed, and has at least a sampling cavity volume to be filled part and fill closed in described sampling cavity volume.
Further improvement of the utility model comprises:
The sampling cavity volume in described sampling portion is at least four.
Described filling agent is the teflon part with described sampling cavity volume form fit.
Described sampling head is obtained by teflon.
Described sampling portion with between described control lever for buckle-type is connected; The outer wall of described sampling head with between handle for being threaded.
Described sampling head is hemisphere structure.
The end interfaces of described control lever is carved with circular scale, and described handle outer wall two ends correspondence position is carved with at least one pair of mark line.
The aperture area of described sampling head outer wall window is not more than the aperture area of single sampling cavity volume.
A kind of small-sized sampler of the utility model development and Design, and the equal quick release of all parts of sampler, be convenient to clean and sterilizing, can prevent microorganism and residue to the cross pollution of sample.There is sampling rapidly, easy and simple to handle, arbitrarily add the advantages such as sample size.The solid sample weighing sampling that the material diameters such as the common powder in laboratory, granule, small crystals are less than 0.5 centimetre can be widely used in.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model sampling head structure cut-open view.
In figure: 1, handle, 2, control lever, 3, outer wall, 4, window, 5, sampling cavity volume, 6 filling members.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As Fig. 1, the solid-state micro-example sampler of a kind of analytical precision balances as shown in Figure 2, comprise handle, control lever and sampling head, described handle is in axial direction provided with through hole, and described control lever stretches into and passes described through hole; Described sampling head comprises with the outer wall of sampling window and the sampling portion that surrounded by outer wall, and described sampling portion is flexibly connected with described control lever, and described outer wall is flexibly connected with described handle; Described sampling portion is the multiple cross sections arranged along its circumferencial direction is that fan-shaped sampling cavity volume is formed, and has at least a sampling cavity volume to be filled part and fill closed in described sampling cavity volume.
The sampling cavity volume in described sampling portion is at least four.The utility model also can configure the sampling head of multiple different size varying number sampling cavity volume, is convenient to for different sampling quality and material to choose different sampling heads.
Described filling agent is the teflon part with described sampling cavity volume form fit, and described sampling head is obtained by teflon.
Described sampling portion with between described control lever for buckle-type is connected; The outer wall of described sampling head with between handle for being threaded.Buckle-type and the convenient operation that is threaded, can mount and dismount fast simultaneously, first control lever end be exited handle and be connected with sampling portion, and then be connected with handle threads by sampling head outer wall during use.
Described sampling head is hemisphere structure, and this structure is convenient to sampling head and is contacted with the effective of sample.
The end interfaces of described control lever is carved with circular scale, and described handle outer wall two ends correspondence position is carved with at least one pair of mark line.In use, after sampling portion is connected with control lever, remember the scale value be filled corresponding to cavity volume, then sampling head outer wall and handle is connected, the outer wall window of sampling head is corresponding to the mark line on handle, before sampling, above-mentioned scale value corresponding to cavity volume that be filled is rotated to handle mark line place, guarantee that being filled cavity volume is in described outer wall the window's position, stretches into sampler in sampling receptacle, rotates a circle to initial position.The aperture area of described sampling head outer wall window is not more than the aperture area of single sampling cavity volume; Described sampling head outer wall and sampling portion closely cooperate.
A kind of small-sized sampler of the utility model development and Design, and the equal quick release of all parts of sampler, be convenient to clean and sterilizing, can prevent microorganism and residue to the cross pollution of sample.There is sampling rapidly, easy and simple to handle, arbitrarily add the advantages such as sample size.The solid sample weighing sampling that the material diameters such as the common powder in laboratory, granule, small crystals are less than 0.5 centimetre can be widely used in.
Using method: 1. answer censored sample device whether to clean before using.2. after sampling portion is connected with control lever, remember the scale value be filled corresponding to cavity volume, then sampling head outer wall and handle is connected, the outer wall window of sampling head is corresponding to the mark line on handle, before sampling, above-mentioned scale value corresponding to cavity volume that be filled is rotated to handle mark line place, guarantee that being filled cavity volume is in described outer wall the window's position, sampler is inserted in sampling receptacle along certain angle downwards, arriving to rotate a circle after designated depth to initial position draws back sampler, ensure when noting drawing back that the separate space of sampling sample release member is interior to be filled up by sample, complete sampling.3. sampler window and splendid attire sampling receptacle shape are had a certain degree, slow circumvolve handle, the cavity volume of carrying sample is rotated to the window's position, sample loses sampling portion cavity volume and supports, landing is in sampling receptacle, repeat to rotate until sample quality reaches required weighing quality, complete sampling process.4. the sampling head parts of sampler are dismantled, directly can carry out sterilizing and clean.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. the solid-state micro-example sampler of analytical precision balances, is characterized in that, comprise handle, control lever and sampling head, described handle is in axial direction provided with through hole, and described control lever stretches into and passes described through hole; Described sampling head comprises with the outer wall of sampling window and the sampling portion that surrounded by outer wall, and described sampling portion is flexibly connected with described control lever, and described outer wall is flexibly connected with described handle; Described sampling portion is the multiple cross sections arranged along its circumferencial direction is that fan-shaped sampling cavity volume is formed, and has at least a sampling cavity volume to be filled part and fill closed in described sampling cavity volume.
2. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, is characterized in that, the sampling cavity volume in described sampling portion is at least four.
3. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, is characterized in that, described filling agent is the teflon part with described sampling cavity volume form fit.
4. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, it is characterized in that, described sampling head is obtained by teflon.
5. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, is characterized in that, described sampling portion with between described control lever for buckle-type is connected; The outer wall of described sampling head with between handle for being threaded.
6. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, is characterized in that, described sampling head is hemisphere structure.
7. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, it is characterized in that, the end interfaces of described control lever is carved with circular scale, and described handle outer wall two ends correspondence position is carved with at least one pair of mark line.
8. the solid-state micro-example sampler of a kind of analytical precision balances according to claim 1, is characterized in that, the aperture area of described sampling head outer wall window is not more than the aperture area of single sampling cavity volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687247.0U CN204165777U (en) | 2014-11-14 | 2014-11-14 | The solid-state micro-example sampler of a kind of analytical precision balances |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687247.0U CN204165777U (en) | 2014-11-14 | 2014-11-14 | The solid-state micro-example sampler of a kind of analytical precision balances |
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| Publication Number | Publication Date |
|---|---|
| CN204165777U true CN204165777U (en) | 2015-02-18 |
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| CN201420687247.0U Expired - Fee Related CN204165777U (en) | 2014-11-14 | 2014-11-14 | The solid-state micro-example sampler of a kind of analytical precision balances |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819866A (en) * | 2015-05-26 | 2015-08-05 | 广西壮族自治区梧州食品药品检验所 | Micro-sample sampler |
-
2014
- 2014-11-14 CN CN201420687247.0U patent/CN204165777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819866A (en) * | 2015-05-26 | 2015-08-05 | 广西壮族自治区梧州食品药品检验所 | Micro-sample sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |