CN206772400U - A kind of solid and pulverulent reagent sample weighing apparatus - Google Patents
A kind of solid and pulverulent reagent sample weighing apparatus Download PDFInfo
- Publication number
- CN206772400U CN206772400U CN201720647018.XU CN201720647018U CN206772400U CN 206772400 U CN206772400 U CN 206772400U CN 201720647018 U CN201720647018 U CN 201720647018U CN 206772400 U CN206772400 U CN 206772400U
- Authority
- CN
- China
- Prior art keywords
- sample
- outlet
- support base
- weighing apparatus
- diameter
- 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 kind of solid and pulverulent reagent sample weighing apparatus, it is made up of sample-adding main body, support base and spherical plug three parts, the support base is used to support sample-adding main body, the sample-adding main body includes upper cylindrical adding mouth, middle part truncated cone-shaped sample introduction portion and bottom canalis spinalis shape outlet, the upper port of the outlet is placed with the spherical plug, the spherical plug is brought into close contact with the outlet, and the vertical range between the lower end of sample introduction portion upper end and outlet is less than the height of the support base.The utility model is reasonable in design, contribute to the exact mass of sample needed for accurate weigh, it is easy to laboratory new hand weighed, pipetted, is loaded to the operating process such as bottle are prepared, avoids sample from scattering situation during pipetting, prevent weighing scale from being corroded by sample is scattered.
Description
Technical field
The utility model belongs to experiment and weighs apparatus appliance technology, and in particular to a kind of solid reagent sample（Including
Pulverulent reagent sample）Weigh apparatus.
Background technology
In the experimentation of analytical chemistry, microorganism and drug research, it can often use electronic balance and carry out solid examination
The weighing of agent sample, and carry out the preparation of culture medium or standard liquid.Medicine weighing is being carried out using pan paper or weighing disk
Or it is added to culture medium and prepares bottle（Or volumetric flask）During, powdered reagent is easy to fly away out, so that having influence on
The accuracy of weighing result, certain hidden danger also be present to the health of operating personnel, and laboratory environment is caused necessarily to pollute.Its
It is secondary, if the pan paper used is too small, the scale pan can not be completely covered, when weighing some perishable chemical reagent, once leakage
Go out to weigh paper edge, if clearing up not in time, it is easy to the corrosion and damage scale pan.For the stronger reagent chemicals of hygroscopicity, using
When pan paper is weighed, weigh the time slightly long reagent chemicals that may result in and adsorb the essence on pan paper surface, reducing weighing
Exactness.And for the stronger reagent sample of corrosivity, hygroscopicity（Such as sodium hydroxide）, with greater need for fast and accurately being claimed
Amount, to reduce the generation of test error.At present, laboratory is often substituted with vessel such as small beakers justifies box-like weighing disk, but is inciting somebody to action
When reagent chemicals is transported to small-bore preparation of reagents bottle, careless slightly sample is scattered bottle outlet, can often cause weighing error.
Therefore, laboratory is necessary to rationally design existing weighing apparatus, makes it meet to weigh, transport and add reagent sample
Test requirements document.
Utility model content
For above-mentioned technical problem, the utility model will provide a kind of weighing for solid and pulverulent reagent sample and use
Tool, can effectively solve the deficiency in prior art, meet it is quick, accurately weigh solid reagent sample（Especially pulverulent reagent
Sample）Test requirements document, it is easy to operation and transhipment reagent sample, improve weigh efficiency, protect weighing scale from corrosion.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：A kind of solid and powdered
Reagent sample weighs apparatus, is made up of sample-adding main body, support base and spherical plug three parts, the support base is used to support sample-adding master
Body, the sample-adding main body include upper cylindrical adding mouth, middle part truncated cone-shaped sample introduction portion and bottom canalis spinalis shape outlet, it is described go out
The upper port of sample mouth is placed with the spherical plug, and the spherical plug is brought into close contact with the outlet, sample introduction portion upper end and
Vertical range between the lower end of outlet is less than the height of the support base.
Preferably, the support base is in truncated cone-shaped, and truncated cone-shaped side wall lower ends are provided with the dome-shaped opening equidistantly distributed, institute
State support base truncated cone-shaped side wall to fix as one with adding mouth cylindrical side wall and sample introduction portion truncated cone-shaped side wall, the sample-adding main body
Top, middle part, bottom and support base be integral type structure.
Preferably, the diameter of the truncated cone-shaped sample introduction portion upper bottom surface is equal to the diameter of top adding mouth, bottom surface it is straight
Footpath is equal to the diameter of outlet upper end open, and the height in sample introduction portion is set to 2.5-4.0 cm.
Preferably, the cylindrical adding mouth diameter is set to 6-9 cm, is highly set to 3-6 cm, adding mouth madial wall is with entering
Angle between sample portion madial wall is set to 120 ° -160 °, the angle between adding mouth lateral wall and support base lateral wall be set to 150 ° -
170°。
Preferably, the outlet upper end open diameter of the canalis spinalis shape is set to 0.8-1.0 cm, and lower ending opening diameter is set to
0.5-0.7 cm。
Preferably, the vertical height of the support base is set to 4-6 cm, and sample introduction portion upper bottom surface to outlet lower end is opened
The vertical height of mouth is set to 3-5 cm.
Preferably, tell that the dome-shaped opening of support base side wall lower ends is set to 4-6, be isodistantly spaced distribution, dome height
It is set to 2.5-3.5 cm.
Preferably, the spherical end beyond the Great Wall is provided with a vertical handle, and the sphere diameter of the spherical plug is more than on outlet
The internal diameter at end, sphere diameter are set to 1.2-1.5 cm, and the length of vertical handle is set to 8-10 cm.
Preferably, the spherical plug and vertical handle are integral type structure.
The utility model beneficial effect is：The utility model is reasonable in design, contributes to sample needed for accurate weigh
Exact mass, it is easy to laboratory new hand weighed, pipetted, is loaded to the operating process such as bottle is prepared, avoids sample from pipetting
During scatter situation, prevent weighing scale from being corroded by sample is scattered.
Brief description of the drawings
Fig. 1 is the utility model solid and a kind of structural representation of embodiment of pulverulent reagent sample weighing apparatus；
Fig. 2 is Fig. 1 midship section structure schematic diagrames；
In figure：1- is loaded main body, 2- support bases, the spherical plugs of 3-, 4- adding mouths, 5- sample introductions portion, 6- outlets, 7-
Dome-shaped opening, 8- vertical handles.
Embodiment
The utility model is described further in conjunction with the accompanying drawings and embodiments.
As shown in Figure 1, 2, a kind of solid and pulverulent reagent sample weighing apparatus, by sample-adding main body 1, support base 2 and ball
The three parts of shape plug 3 form, and the support base 2 is used to support sample-adding main body 1, and the sample-adding main body 1 is loaded including upper cylindrical
Mouth 4, middle part truncated cone-shaped sample introduction portion 5 and bottom canalis spinalis shape outlet 6, the upper port of the outlet 6 are placed with the spherical plug
3, the upper port of the spherical plug 3 and the outlet 6 is brought into close contact, between the lower end of the upper end of sample introduction portion 5 and outlet 6
Vertical range is less than the height of the support base 2.
Wherein, in the present embodiment, the support base 2 is in truncated cone-shaped, and truncated cone-shaped side wall lower ends are provided with the circle equidistantly distributed
Arch opening 7, the truncated cone-shaped side wall of the support base 2 and the truncated cone-shaped side wall of the cylindrical side wall of adding mouth 4 and sample introduction portion 5 are consolidated
It is connected in one, top, middle part, bottom and the support base 2 of the sample-adding main body 1 are integral type structure, and the truncated cone-shaped sample introduction
The diameter of the upper bottom surface of portion 5 is equal to the diameter of top adding mouth 4, and the diameter of bottom surface is equal to the straight of the upper end open of outlet 6
Footpath, the height in sample introduction portion 5 are set to 2.5-4.0 cm, and truncated cone-shaped sample introduction portion 5 contributes to solid reagent sample slowly to slip into outlet,
Powdered drug is avoided to fly away out because slip velocity is too fast；The diameter of the cylindrical adding mouth 4 is set to 6-9 cm, is highly set to
3-6 cm, the angle between the madial wall of adding mouth 4 and the madial wall in sample introduction portion 5 are set to 120 ° -160 °, the lateral wall of adding mouth 5
Angle between the lateral wall of support base 2 is set to 150 ° -170 °, and the design of adding mouth 4 is beneficial to addition and weighs more reagent chemicals；
The upper end open diameter of outlet 6 of the canalis spinalis shape is set to 0.8-1.0 cm, and lower ending opening diameter is set to 0.5-0.7 cm, upper big
Under small opening design contribute to more preferable control sample to slip into the flow velocity of preparation of reagents bottle, while can be stable by outlet 6
It is put into the different bottle neck of caliber size；The vertical height of the support base 2 is set to 4-6 cm, and sample introduction portion upper bottom surface is to going out
The vertical height of sample mouth lower ending opening is set to 3-5 cm, it can be ensured that support base 2 is steadily placed at scale pan center, makes outlet 6
Lower ending opening vacantly to keep clean, avoids reagent sample cross pollution；The dome-shaped opening 7 of the told side wall lower ends of support base 2
4-6 are set to, is isodistantly spaced distribution, dome height is set to 2.5-3.5 cm, and helping to take weighs apparatus, and is pipetting examination
During agent medicine, the position of outlet 6 can be preferably determined by dome-shaped opening 7, outlet 6 is fast and accurately put
In the bottleneck for entering preparation of reagents bottle；3 upper ends of the spherical plug are provided with a vertical handle 8, and the sphere diameter of the spherical plug 3 is more than
The internal diameter of the upper end open of sample mouth 6, sphere diameter are set to 1.2-1.5 cm, and the length of vertical handle 8 is set to 8-10 cm.Spherical plug 3 is placed in
At the upper end open of outlet 6, solid reagent sample that can be in the completely plugged portion of living in sample-adding main body 1, it is ensured that it will not be from going out sample
Mouthfuls 6 spill, and ensure the accuracy weighed, vertical handle 8 when claiming that sample terminates, outlet 6 is put into the bottleneck of preparation of reagents bottle,
For spherical plug 3 of taking, reagent sample, which can be slipped into, to be prepared in bottle.
In the present embodiment, the angle between the sample-adding madial wall of main body 1 is smooth, mellow and full designed arc-shaped appearance, and n.s are residual
Dead angle is stayed, is added completely into beneficial to reagent sample to preparation of reagents bottle.It is described sample-adding main body 1, support base 2 by high rigidity, it is not variable
The smooth macromolecule transparent plastics material in shape, surface or stainless steel are compressing, are integral type seamless design, smooth surface
Design can ensure that reagent sample will not remain be attached to sample-adding main body inwall, ensure weigh accuracy.The spherical plug 3
It is integral type structure with vertical handle 8, is made up of high-hardness stainless steel material, surface is smooth, and inside is hollow design, spherical to set
Meter, which can be preferably bonded, to be placed at the upper end open of outlet 6, and spherome surface is not easy to adhere to reagent chemicals.The weighing apparatus
（Including spherical plug portion）Can be according to weight, the character for weighing sample（Powdered or graininess）And vessel used in sample preparation
Bottleneck size, weighing vessel of different sizes are designed as, for the design that forms a complete set of, the diversity for weighing apparatus selection can be increased.
It is of the present utility model to use process：During weighing, the weighing vessel of cleaning are first placed in the scale pan center of electronic balance
Place, then plugged spherical at outlet upper end open, it is ensured that after fitting is close, zeroing, sample to be weighed is slowly added to
Weigh in sample-adding main body.Weighing terminates, and will weigh apparatus and is slowly removed from electronic balance, canalis spinalis shape outlet is accurately put into
In the bottleneck of preparation of reagents bottle, after vertical steady placement, spherical plug is slowly gently lifted by vertical handle, after making weighing
Solid reagent sample is slowly slipped into following preparation of reagents bottle, avoids pulverulent reagent sample from flying away out, it is ensured that sample-adding master
Internal wall and it is spherical remained beyond the Great Wall without reagent sample after, apparatus will be weighed and taken out out of bottleneck, you can carry out the preparation of reagent.Claim
After measuring apparatus use, it need to clean and dry, weighing error and sample cross contamination can be avoided when reusing.Secondly, operation
It is more convenient, help to add and subtract sample and level is taken and weighs apparatus, outlet fast and accurately can be put into preparation of reagents bottle
Bottleneck, avoid sample from scattering out during pipetting, further improve and weigh efficiency and accuracy.It can avoid spreading simultaneously
The scale pan of the reagent chemicals etching electronic balance fallen, extend the service life of balance.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
Various modifications and alterations are made without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
It is illustrative and not restrictive.
Claims (9)
1. a kind of solid and pulverulent reagent sample weighing apparatus, it is characterised in that：By sample-adding main body, support base and spherical plug three
Part forms, and the support base is used to support sample-adding main body, and the sample-adding main body includes upper cylindrical adding mouth, middle part round platform
Shape sample introduction portion and bottom canalis spinalis shape outlet, the upper port of the outlet are placed with the spherical plug, the spherical plug and institute
State outlet to be brought into close contact, the vertical range between the lower end of sample introduction portion upper end and outlet is less than the height of the support base
Degree.
2. solid according to claim 1 and pulverulent reagent sample weighing apparatus, it is characterised in that：The support base is in
Truncated cone-shaped, truncated cone-shaped side wall lower ends are provided with the dome-shaped opening equidistantly distributed, the support base truncated cone-shaped side wall and adding mouth
Cylindrical side wall and sample introduction portion truncated cone-shaped side wall fix as one, and top, middle part, bottom and the support base of the sample-adding main body are
Integral structure.
3. solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：The round platform
The diameter of shape sample introduction portion upper bottom surface is equal to the diameter of top adding mouth, and the diameter of bottom surface is equal to outlet upper end open
Diameter, the height in sample introduction portion are set to 2.5-4.0 cm.
4. solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：The cylinder
Shape adding mouth diameter is set to 6-9 cm, is highly set to 3-6 cm, and the angle between adding mouth madial wall and sample introduction portion madial wall is set to
120 ° -160 °, the angle between adding mouth lateral wall and support base lateral wall is set to 150 ° -170 °.
5. a kind of solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：It is described
The outlet upper end open diameter of canalis spinalis shape is set to 0.8-1.0 cm, and lower ending opening diameter is set to 0.5-0.7 cm.
6. a kind of solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：It is described
The vertical height of support base is set to 4-6 cm, and the vertical height of sample introduction portion upper bottom surface to outlet lower ending opening is set to 3-5
cm。
7. a kind of solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：Told
The dome-shaped opening of support base side wall lower ends is set to 4-6, is isodistantly spaced distribution, dome height is set to 2.5-3.5 cm.
8. a kind of solid according to claim 1 or 2 and pulverulent reagent sample weighing apparatus, it is characterised in that：It is described
Spherical end beyond the Great Wall is provided with a vertical handle, and the sphere diameter of the spherical plug is more than the internal diameter of outlet upper end, and sphere diameter is set to
1.2-1.5 cm, the length of vertical handle are set to 8-10 cm.
9. a kind of solid according to claim 8 and pulverulent reagent sample weighing apparatus, it is characterised in that：It is described spherical
Plug and vertical handle are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647018.XU CN206772400U (en) | 2017-06-06 | 2017-06-06 | A kind of solid and pulverulent reagent sample weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647018.XU CN206772400U (en) | 2017-06-06 | 2017-06-06 | A kind of solid and pulverulent reagent sample weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772400U true CN206772400U (en) | 2017-12-19 |
Family
ID=60636976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647018.XU Expired - Fee Related CN206772400U (en) | 2017-06-06 | 2017-06-06 | A kind of solid and pulverulent reagent sample weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548918A (en) * | 2020-05-14 | 2020-08-18 | 上海交通大学 | Totally-enclosed integrated reaction tube capable of realizing multi-system compatibility |
-
2017
- 2017-06-06 CN CN201720647018.XU patent/CN206772400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548918A (en) * | 2020-05-14 | 2020-08-18 | 上海交通大学 | Totally-enclosed integrated reaction tube capable of realizing multi-system compatibility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110172560A1 (en) | Method and Apparatus for Collecting and Preparing Biological Samples for Testing | |
| CN1720168B (en) | Liquid storage container and cartridge | |
| CN206772400U (en) | A kind of solid and pulverulent reagent sample weighing apparatus | |
| US20170209861A1 (en) | Transportable quantitative sample transfer device | |
| CN201803918U (en) | Weighing bottle with marked lines used for measuring density | |
| CN201548473U (en) | Density-measuring device for powdery materials | |
| CN205384155U (en) | Supplementary weighing device | |
| CN205056057U (en) | Sample spoon | |
| CN206740232U (en) | A kind of micro sample vessel for assay balance | |
| CN211262429U (en) | Weighing device | |
| CN208964919U (en) | A kind of centrifuge tube, a kind of centrifuge tube divide lid, a kind of reagent to dispense storage in advance in advance | |
| CN201686059U (en) | Single-port measuring cup integrated plastic container | |
| CN202131314U (en) | Culture dish for sorting sperms for in vitro fertilization | |
| CN206366390U (en) | New chemical reagent weighing plate | |
| CN204241099U (en) | A kind of micro-medicine and reagent weighs tool cover box | |
| CN103512780A (en) | Acidolysis hydrocarbon preparation apparatus and lossless collection method thereof | |
| CN205719857U (en) | Dust real density tester | |
| CN105148422B (en) | The preparation method of canister mouth neck ash discharge standardized level difference color board | |
| CN205462297U (en) | Novel measuring cup | |
| CN203658364U (en) | Specimen treatment device for detecting chlamydia antigen | |
| CN207964425U (en) | A kind of urine specimen storage bin | |
| CN212142663U (en) | Reagent bottle convenient to observe | |
| CN209590030U (en) | A kind of dedicated reaction box of gynemetrics's joint inspection instrument | |
| CN212568116U (en) | Sampling tube for weighing liquid | |
| CN206168442U (en) | Quick detect reagent box of aflatoxin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20190606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |