CN202471200U - Telescopic accurate sample weighing device - Google Patents
Telescopic accurate sample weighing device Download PDFInfo
- Publication number
- CN202471200U CN202471200U CN2012200522239U CN201220052223U CN202471200U CN 202471200 U CN202471200 U CN 202471200U CN 2012200522239 U CN2012200522239 U CN 2012200522239U CN 201220052223 U CN201220052223 U CN 201220052223U CN 202471200 U CN202471200 U CN 202471200U
- Authority
- CN
- China
- Prior art keywords
- weighing
- test tube
- telescopic
- sample
- samples
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a telescopic accurate sample weighing device. The telescopic accurate sample weighing device is used for weighing samples and feeding the weighed samples into a testing test tube and comprises a handheld rod (1), wherein the handheld rod (1) has a pulling structure; and the end of the handheld rod (1) is connected with a sample accommodating container (2). A spoon with a telescopic handle serves as a special tool for weighing samples and feeding the weighed samples into a testing test tube; during weighing, the telescopic rod is in a retraction state, the weighed objects are put in the sample accommodating container, after the weighing is ended, the telescopic rod pops up, a user can hold the end of the telescopic rod with a hand to feed the sample accommodating container to the bottom of the test tube, and the tested samples can be poured out by rotating the telescopic rod; and therefore, powdery materials can be prevented from being blown away in the process of weighing and pouring, and the phenomenon that the powdery materials are adhered to the inner wall of the test tube can be avoided.
Description
Technical field
The utility model relates to a kind of telescopic accurate title appearance device, belongs to the laboratory and uses aid.
Background technology
Regular meeting has pair powdered object to weigh in the laboratory, and sends into the test that test tube is measured relevant composition; For example when detecting cigarette quality, need the offal after the tobacco pulverizing is weighed, pour the offal that takes by weighing into test tube then and carry out subsequent detection; Existing method of operating does, gets parchamyn paper, will remove to be torn into ellipse or strip; Parchamyn paper after tearing is put into electronic scale; Pour offal into parchamyn paper then and weigh, after weighing parchamyn paper is taken out electronic scale, offal is poured in the ready test tube through parchamyn paper.In use there is following problem in above-mentioned Weighing method: the first, and the offal light weight, the offal when getting with the parchamyn paper end on it is very easily dispelled by wind or respiratory air flow, can increase the difficulty of weighing, influence experiment precision like this; The second, with parchamyn paper when test tube is toppled over offal, because of the parchamyn paper limited length, offal very easily is bonded on the test tube wall, can increase the difficulty of weighing, influence experiment precision equally like this.
Summary of the invention
The technical matters that the utility model will solve provides a kind of telescopic accurate title appearance device that can reduce operation easier, improve the experiment precision, can overcome the deficiency of prior art.
The technical scheme of the utility model is: telescopic accurate title appearance device, and it is used for the weighing of sample and alleged sample is sent into test tube, and it comprises holding rod, and holding rod (1) adopts the drawing and pulling type structure, is connected with the sample container containing in the end of holding rod.
The external diameter of sample container containing and the interior caliber of height less than test tube.
Length after holding rod stretches is greater than the height of test tube; Length behind the holding rod retraction is less than electronic scale weighing pan diameter.
Compare with prior art: the utility model is telescopic spoon spoon is sent into test tube as sample weighing and with alleged sample a specific purpose tool through adopting a handle; Expansion link is in retracted state when weighing, and is claimed that thing is in the sample container containing, weighs and finishes the rear telescopic rod ejection, and hand-held expansion link end just can be sent to the test tube bottom with the sample container containing, and rotating extensible arm just can be accomplished toppling over of sample; When weighing and topple over granular material, can avoid granular material to be dispelled like this, also can avoid granular material to be bonded in the inboard wall of test tube phenomenon.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Embodiment 1: this instrument is to be used for the weighing of sample and instrument is used in a kind of laboratory that alleged sample is sent into test tube; Spoon spoon of its similar; As shown in Figure 1, holding rod 1 part of spoon spoon structure adopts the drawing and pulling type structure, and the end of drawing and pulling type holding rod 1 is connected with sample container containing 2.For this device being satisfied weigh and is inserted in the requirement in the test tube, the external diameter of sample container containing 2 and the interior caliber of height less than test tube; Length after holding rod 1 stretches is greater than the height of test tube; Length behind holding rod 1 retraction is less than electronic scale weighing pan diameter.
Claims (3)
1. telescopic accurate title appearance device; It is used for the weighing of sample and alleged sample is sent into test tube; It comprises holding rod (1), it is characterized in that: holding rod (1) adopts the drawing and pulling type structure, is connected with sample container containing (2) in the end of holding rod (1).
2. telescopic accurate title appearance device according to claim 1 is characterized in that: the external diameter of sample container containing (2) and the interior caliber of height less than test tube.
3. telescopic accurate title appearance device according to claim 1, it is characterized in that: the length after holding rod (1) stretches is greater than the height of test tube; Length behind holding rod (1) retraction is less than electronic scale weighing pan diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200522239U CN202471200U (en) | 2012-02-17 | 2012-02-17 | Telescopic accurate sample weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200522239U CN202471200U (en) | 2012-02-17 | 2012-02-17 | Telescopic accurate sample weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471200U true CN202471200U (en) | 2012-10-03 |
Family
ID=46919353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200522239U Expired - Fee Related CN202471200U (en) | 2012-02-17 | 2012-02-17 | Telescopic accurate sample weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471200U (en) |
-
2012
- 2012-02-17 CN CN2012200522239U patent/CN202471200U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130217 |