CN207591900U - A kind of chemical powder sieve spoon - Google Patents
A kind of chemical powder sieve spoon Download PDFInfo
- Publication number
- CN207591900U CN207591900U CN201721629138.3U CN201721629138U CN207591900U CN 207591900 U CN207591900 U CN 207591900U CN 201721629138 U CN201721629138 U CN 201721629138U CN 207591900 U CN207591900 U CN 207591900U
- Authority
- CN
- China
- Prior art keywords
- mesh screen
- kettleholder
- chemical powder
- spoon
- pulvis
- 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
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- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a kind of chemical powder sieve spoons, belong to teaching test appliance technology.A kind of chemical powder sieve spoon of the utility model including kettleholder, further includes the concave surface mesh screen being fixedly connected with kettleholder；Tube chamber inside the kettleholder for hollow form in an axial direction；On the concave surface mesh screen, and it is provided with pulvis entrance with the junction of kettleholder, the distal end of kettleholder is provided with pulvis outlet, when needed in experiment will cross screenings removal when (meticulous influence test speed), pulvis is placed on concave surface mesh screen after screenings is screened out, it is flowed into tester by tube chamber again, appearance is outer when avoiding pouring into test tube spreads and waste, and the generation of dust can also be avoided in pulvis transfer process.It solves medicine fetching spoon to get it filled process very complicated, less efficient, accuracy is poor and cannot solve the problems, such as to require accurate, small-scale pulvis mesh number in experiment.
Description
Technical field
The utility model is related to teaching test appliance technology more particularly to a kind of chemical powder sieve spoons.
Background technology
In the chemistry teaching of school, it is often necessary to experiment is done to coordinate understanding of the student to knowledge, in chemical test,
Medicine fetching spoon is then the equipment being commonly used.
The most medicine fetching spoon used in existing chemical laboratory be common spoon, be made of spoon body and kettleholder, spoon body with
Shape forms an angle between kettleholder, and when use usually requires to tilt medicine bottle to take out chemicals, many times can be because of taking
Drug is trickled down with misoperation, and common spoon get it filled it is time-consuming and laborious, for laboratory procedures, into test tube
When adding chemicals, it is necessary to first test tube inclination or traverse, the spoon head for filling drug is extend into test tube, then overturn spoon head
Chemicals in spoon head is poured into test tube.The process very complicated but this medicine fetching spoon is got it filled, less efficient, accuracy
Poor, drug is easily fallen from spoon, causes the inaccuracy of chemical experiment, and repeatability is bad.
Since the accuracy of test requirements document in chemical laboratory is higher, especially discrete trial even requires accurate, small
The pulvis mesh number of range, for example the powder between 100 to 150 mesh is required, this requirement is not achieved in existing medicine fetching spoon.
Through retrieval, Chinese patent application, application number：201520312762.5 publication date：2015.09.09, one is disclosed
Kind chemical test is shown with medicine fetching spoon is weighed including electronic weighing device, female spoon, sub- spoon, material toggling block, push rod, kettleholder and weight
Device, the front end integral type of the kettleholder are fixedly connected with female spoon, and female spoon is internally provided with sub- spoon, are installed in female spoon below sub- spoon
There is electronic weighing device, electronic weighing device is connect with weight display device circuit, and weight display device is arranged on kettleholder rear portion,
The connection of weight display device circuit measures switch, and hollow kettleholder is internally provided with push rod, putting back-end connection resetting spring, before push rod
End connection material toggling block, the push rod middle part are fixedly connected with push-and-pull block, and push-and-pull block is slidably arranged in the sliding slot on kettleholder, described
A kind of chemical test is simple in structure with weighing medicine fetching spoon, easy to operate, and the work that makes to get it filled is more convenient and accurate, easy to operation
Personnel control medicine taking amount, using effect is good, suitable for the accurate weighing to chemicals.But the medicine fetching spoon cannot be solved in experiment
It is required that the problem of accurate, small-scale pulvis mesh number.
Utility model content
1. utility model technical problems to be solved
It gets it filled process very complicated for medicine fetching spoon in the prior art, less efficient, accuracy is poor and cannot solve
The problem of accurate, small-scale pulvis mesh number is required in experiment, the utility model provide a kind of chemical powder sieve spoon.It is logical
It crossing pulvis being placed on concave surface mesh screen and screens out screenings, appearance is outer when achieving the purpose that avoid pouring into test tube spreads and wastes,
Moreover, simple accuracy of getting it filled is high.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model is：
A kind of chemical powder sieve spoon including kettleholder, further includes the concave surface mesh screen being fixedly connected with kettleholder；In the kettleholder
Tube chamber of the portion for hollow form in an axial direction；Pulvis entrance is provided on the concave surface mesh screen, and with the junction of kettleholder, kettleholder
Distal end is provided with pulvis outlet, and when needing that (meticulous influence test speed) when screenings removes will be crossed in experiment, pulvis is placed in down
After screenings is screened out on the mesh screen of concave surface, then it is unrestrained by tube chamber inflow tester, there is outer spread when avoiding pouring into test tube
Take, the generation of dust can also be avoided in pulvis transfer process.
Further technical solution further includes upper recess surface mesh screen, and the diameter of the upper recess surface mesh screen is more than concave surface mesh screen,
The two is opposite or is oppositely buckled with, and avoids the generation of dust in screening process.
Further technical solution, upper recess surface mesh screen and concave surface mesh screen are fastened and are beaten by removably inserting door bolt connection
Evolution is just.
Further technical solution, upper recess surface mesh screen are connected with mesh screen sieve handle with inserting the opposite other end of door bolt, fasten and
It opens more convenient.
Further technical solution, further includes plate, and the upper mesh screen sieve handle and upper recess surface mesh screen junction are perpendicular for two
To sieve muscle, form slot；The plate is inserted into slot, and during avoiding vibration screening, powder flows into tube chamber in advance.
The edge of further technical solution, concave surface mesh screen and upper recess surface mesh screen be respectively fixed with lower mesh screen retainer plate and
Upper mesh screen retainer plate improves the stability in screening process.
The outer arm of further technical solution, the inner wall of lower mesh screen retainer plate and/or upper mesh screen retainer plate is fixed with buffer-type
Gasket improves the leakproofness in screening process.
Further technical solution, pulvis entrance is horn-like for external-open, plays the closing in shape effect in collecting, and expands and receives
Collection face.
Further technical solution, the mesh number of concave surface mesh screen is less than upper recess surface mesh screen, when the powder for needing small range mesh number
During agent, middle material is only taken.
Further technical solution, kettleholder make for transparent material, and kettleholder surface is carved with graduation mark, can improve feeding
Accuracy.
3. advantageous effect
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
(1) a kind of chemical powder sieve spoon of the utility model, when needed in experiment will cross screenings removal when (meticulous influence
Test speed), pulvis is placed on concave surface mesh screen after screenings is screened out, then flowed into tester by tube chamber, avoided
It spreads and wastes outside occurring when pouring into test tube, the generation of dust can also be avoided in pulvis transfer process；
(2) a kind of chemical powder sieve spoon of the utility model, upper concave surface mesh screen can fasten, and avoid powder in screening process
The generation of dirt；
(3) a kind of chemical powder sieve spoon of the utility model, upper concave surface mesh screen are fastened by removably inserting door bolt connection
It is convenient with opening；
(4) a kind of chemical powder sieve spoon of the utility model, the setting of upper mesh screen sieve handle, fastens and opens and is more convenient；
(5) a kind of chemical powder sieve spoon of the utility model, plate is inserted into slot, during avoiding vibration screening, powder
Material flows into tube chamber in advance；
(6) a kind of chemical powder sieve spoon of the utility model, lower mesh screen retainer plate and upper mesh screen retainer plate can improve sieve
Stability during choosing；
(7) the chemical powder sieve spoon of the utility model, buffer-type gasket can improve the leakproofness in screening process；
(8) the chemical powder sieve spoon of the utility model, the horn-like pulvis entrance of external-open play the closing in shape effect in collecting
Fruit, and expand collection surface；
(9) the chemical powder sieve spoon of the utility model when the pulvis for needing small range mesh number, only takes double-deck concave surface net
The middle material of sieve；
(10) the chemical powder sieve spoon of the utility model, kettleholder make for transparent material, and graduation mark is carved on kettleholder surface, can
To improve the accuracy of feeding.
Description of the drawings
Fig. 1 is the chemical powder sieve spoon structure diagram of the utility model.
In figure：1st, kettleholder；2nd, concave surface mesh screen；3rd, upper recess surface mesh screen；4th, plate；5th, door bolt is inserted；11st, tube chamber；21st, pulvis enters
Mouthful；22nd, lower mesh screen retainer plate；31st, upper mesh screen sieve handle；32nd, upper mesh screen retainer plate；111st, pulvis exports.
Specific embodiment
To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.
Embodiment 1
The chemical powder sieve spoon of the present embodiment as shown in Figure 1, including kettleholder 1, is further included and is fixedly connected down with kettleholder 1
Concave surface mesh screen 2；Tube chamber 11 of 1 inside of kettleholder for hollow form in an axial direction；On the concave surface mesh screen 2, and with kettleholder 1
Junction is provided with pulvis entrance 21, and the distal end of kettleholder 1 is provided with pulvis outlet 111.
When specifically used, when being needed in experiment by sieving screenings removal, pulvis is placed in by meticulous influence test speed
After screenings is screened out on concave surface mesh screen 2, then by tube chamber 11 inflow tester, such as test tube, avoiding pouring into test tube
When occur it is outer spread and waste, the generation of dust can also be avoided in pulvis transfer process.
Embodiment 2
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 1：It further includes
Concave surface mesh screen 3, the diameter of the upper recess surface mesh screen 3 are more than concave surface mesh screen 2, and the two is opposite or is oppositely buckled with, and avoids screening
The generation of dust in journey.By removably inserting 5 connection of door bolt, it is convenient to fasten and open for upper recess surface mesh screen 3 and concave surface mesh screen 2.
Embodiment 3
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 2：Fovea superior veil
Sieve 3 is connected with upper mesh screen sieve 31 with inserting the 5 opposite other ends of door bolt, fastens and opens and is more convenient.
Embodiment 4
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 3：It further includes slotting
Plate 4, the upper mesh screen sieve are two vertical sieves muscle with 3 junction of upper recess surface mesh screen 31, form slot；The plate 4
It is inserted into slot, during avoiding vibration screening, powder flows into tube chamber 11 in advance.
Embodiment 5
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 4：Recessed veil
The edge of sieve 2 and upper recess surface mesh screen 3 is respectively fixed with lower mesh screen retainer plate 22 and upper mesh screen retainer plate 32, improves in screening process
Stability.The inner wall of lower mesh screen retainer plate 22 and/or the outer arm of upper mesh screen retainer plate 32 are fixed with buffer-type gasket, improve sieve
Leakproofness during choosing.
Embodiment 6
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 5：Pulvis entrance
21 be the horn-like of external-open, plays the closing in shape effect in collecting, and expands collection surface.The mesh number of concave surface mesh screen 2 is less than fovea superior
Veil sieve 3, when the pulvis for needing small range mesh number, only takes middle material.
Embodiment 7
The chemical powder sieve spoon of the present embodiment, basic structure are different and the improvement is that with embodiment 6：Kettleholder 1 is
Bright material makes, and graduation mark is carved on 1 surface of kettleholder, when taking, dosage can be measured according to graduation mark, to improve the accurate of feeding
Property.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing
Shown in be also the utility model one of embodiment, practical structure is not limited thereto.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of chemical powder sieve spoon, including kettleholder (1), which is characterized in that further include the concave surface being fixedly connected with kettleholder (1)
Mesh screen (2)；Tube chamber (11) inside the kettleholder (1) for hollow form in an axial direction；On the concave surface mesh screen (2), and with spoon
The junction of handle (1) is provided with pulvis entrance (21), and the distal end of kettleholder (1) is provided with pulvis outlet (111).
2. chemical powder sieve spoon according to claim 1, it is characterised in that：Further include upper recess surface mesh screen (3), the fovea superior
The diameter of veil sieve (3) is more than concave surface mesh screen (2), and the two is opposite or is oppositely buckled with.
3. chemical powder sieve spoon according to claim 2, it is characterised in that：The upper recess surface mesh screen (3) and recessed veil
(2) are sieved to connect by removably inserting door bolt (5).
4. chemical powder sieve spoon according to claim 3, it is characterised in that：The upper recess surface mesh screen (3) is with inserting door bolt (5) phase
To the other end be connected with upper mesh screen sieve (31).
5. chemical powder sieve spoon according to claim 4, it is characterised in that：Further include plate (4), the upper mesh screen sieve handle
(31) it is two vertical sieves with upper recess surface mesh screen (3) junction muscle, forms slot；The plate (4) is inserted into slot.
6. chemical powder sieve spoon according to claim 5, it is characterised in that：The concave surface mesh screen (2) and fovea superior veil
The edge of sieve (3) is respectively fixed with lower mesh screen retainer plate (22) and upper mesh screen retainer plate (32).
7. chemical powder sieve spoon according to claim 6, it is characterised in that：The inner wall of the lower mesh screen retainer plate (22) and
Or the outer arm of upper mesh screen retainer plate (32) is fixed with buffer-type gasket.
8. chemical powder sieve spoon according to any one of claims 1 to 7, it is characterised in that：The pulvis entrance (21) is outer
That opens is horn-like.
9. according to any chemical powder sieve spoon of claim 2 to 7, it is characterised in that：The mesh of the concave surface mesh screen (2)
Number is less than upper recess surface mesh screen (3).
10. chemical powder sieve spoon according to claim 9, it is characterised in that：The kettleholder (1) makes for transparent material,
It is carved with graduation mark in kettleholder (1) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629138.3U CN207591900U (en) | 2017-11-29 | 2017-11-29 | A kind of chemical powder sieve spoon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629138.3U CN207591900U (en) | 2017-11-29 | 2017-11-29 | A kind of chemical powder sieve spoon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207591900U true CN207591900U (en) | 2018-07-10 |
Family
ID=62761555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629138.3U Expired - Fee Related CN207591900U (en) | 2017-11-29 | 2017-11-29 | A kind of chemical powder sieve spoon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207591900U (en) |
-
2017
- 2017-11-29 CN CN201721629138.3U patent/CN207591900U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20181129 |