CN209841809U - Instrument for measuring iodine content in food - Google Patents
Instrument for measuring iodine content in food Download PDFInfo
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- CN209841809U CN209841809U CN201920624476.0U CN201920624476U CN209841809U CN 209841809 U CN209841809 U CN 209841809U CN 201920624476 U CN201920624476 U CN 201920624476U CN 209841809 U CN209841809 U CN 209841809U
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- bottle body
- sampling tube
- stirring
- iodine content
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Abstract
The utility model discloses an instrument for measuring iodine content in food, in particular to the field of food detection, which comprises a bottle body for containing a sample and an extraction reagent and a stirring device; the stirring device comprises a stirring rod and a stirring blade, wherein the stirring rod extends into the bottle body, and the stirring blade is fixedly arranged on the side wall of the stirring rod; a bearing is fixedly arranged at the opening part of the bottle body, and the end part of the stirring rod is fixed with the inner side wall of the bearing; the outer side end of the stirring rod is provided with a limiting convex part, and correspondingly, the inner side end of the bearing is provided with a limiting groove matched with the limiting convex part. The utility model has the advantages of simple operation, multiple functions.
Description
Technical Field
The utility model relates to a food detection area specifically is an instrument of iodine content in survey food.
Background
In GB 5009.267-2016 national food safety standard food, the pretreatment process for iodine determination is as follows: 5g of a solid sample and 20g of a liquid sample were mixed together in a 150mL Erlenmeyer flask, and the solid sample was dissolved in 25mL of hot water at about 40 ℃. Transferring the treated sample solution into a 100mL volumetric flask, adding 5mL potassium ferrocyanide solution and 5mL zinc acetate solution, diluting to constant volume with water, fully shaking, standing for 10min, filtering, sucking 10mL filtrate into a 100mL separating funnel, and adding 10mL water. 0.7mL of sulfuric acid, 0.5mL of butanone, and 2.0mL of hydrogen peroxide (3.5%) were added to a separatory funnel, and the mixture was thoroughly mixed, kept at room temperature for 20min, added with 20mL of n-hexane, and extracted with shaking for 2 min. After standing and layering, the aqueous phase was transferred to another separatory funnel and extracted for the second time. The organic phases are combined and washed 2-3 times with water. After filtration and dehydration over anhydrous sodium sulfate, the mixture was transferred to a 50mL volumetric flask and was made to a constant volume with n-hexane.
However, there are the following disadvantages in the above-described operation process: when a solid sample is added into a reaction container, the contact area between the sample and an extraction reagent is often affected due to the hardened bottom, so that the detection result is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides an instrument for measuring iodine content in food, which has the advantages of simple operation and multiple functions.
In order to achieve the above object, the utility model provides a following technical scheme:
an instrument for measuring the iodine content in food comprises a bottle body for containing a sample and an extraction reagent and a stirring device; the stirring device comprises a stirring rod and a stirring blade, wherein the stirring rod extends into the bottle body, and the stirring blade is fixedly arranged on the side wall of the stirring rod; a bearing is fixedly arranged at the opening part of the bottle body, and the end part of the stirring rod is fixed with the inner side wall of the bearing; the outer side end of the stirring rod is provided with a limiting convex part, and correspondingly, the inner side end of the bearing is provided with a limiting groove matched with the limiting convex part.
Preferably, the bottle body comprises an upper bottle body and a lower bottle body, and the upper bottle body and the lower bottle body are fixed in a threaded manner; the lower bottle body is internally provided with a shelf for increasing the contact area of the sample and the extraction reagent, and the shelf is provided with a through hole for the sample and the extraction reagent to pass through.
Preferably, the stirring rod comprises an upper rod body and a lower rod body, and the rod body and the lower rod body are fixed in a threaded manner; correspondingly, the stirring blade comprises an upper blade fixed with the upper rod body and a lower blade fixed with the lower rod body, and a through hole for the lower blade to pass through in the vertical direction is formed in the shelf.
Preferably, the shelf is arcuate.
Preferably, one end of the stirring rod facing the bearing is provided with a rotating handle which is convenient for a user to apply force.
Preferably, the instrument further comprises a sampling device for taking out a sample solution from the bottle body, wherein the sampling device comprises a first sampling tube, a second sampling tube, an opening and closing plug and a piston assembly, one end of the first sampling tube is communicated with the upper bottle body, the other end of the first sampling tube is fixedly buckled with the second sampling tube, a fixing ring is arranged at one end, facing the second sampling tube, of the first sampling tube, and the opening and closing plug is rotatably arranged at the joint of the first sampling tube and the second sampling tube; the opening and closing plug is provided with a second through hole corresponding to the first through hole; an annular groove which is convenient for a user to rotate to open and close the plug is formed in one end, facing the first sampling tube, of the second sampling tube; the piston assembly is arranged inside the second sampling tube.
Preferably, a rotating handle part is fixedly arranged at the side end of the opening and closing plug and is correspondingly arranged in the annular groove.
Preferably, the piston assembly comprises a sucker and a push rod, the push rod is fixed with one end of the sucker, which faces away from the first sampling tube, and the sucker is arranged inside the second sampling tube.
Preferably, the instrument further comprises a liquid separating device, wherein the liquid separating device comprises a hollow accommodating bucket, a liquid outlet pipe, a first opening and closing valve, a second opening and closing valve and a liquid separating pipe; the upper end of the containing hopper is communicated with a liquid outlet pipe, one end of the liquid outlet pipe, which is back to the containing hopper, is communicated with a second sampling pipe, and the first opening and closing valve is arranged on the liquid outlet pipe; the upper end of the liquid separating pipe is communicated with the lower end of the containing bucket, and the second opening and closing valve is arranged on the liquid separating pipe.
Preferably, the upper rod body is sleeved with a sealing rubber ring, the outer side end of the sealing rubber ring is abutted against the lower end of the opening part of the bottle body, and correspondingly, the opening part is provided with an embedded groove for the sealing rubber ring to be embedded.
The utility model has the advantages that:
the utility model discloses in, the real personnel can be in advance with the sample with draw reagent and place in the bottle, draw the in-process simultaneously, constantly rotate the stirring rod and stir the solid-liquid or liquid-liquid mixture in to the bottle, make its misce bene, more be favorable to drawing. Simultaneously, this stirring rod and bottle open end are rotated through the bearing and are connected, and it is more convenient to operate. Technicians can dismantle and clean immediately after using, and impurities are prevented from being attached to the interior of the bottle body or the stirring device.
Drawings
FIG. 1 is a schematic view showing the construction of an apparatus for measuring iodine content in food according to example 1;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic sectional view showing the structure of an apparatus for measuring iodine content in food according to example 1;
FIG. 4 is a schematic view showing a connection structure of a first sampling tube and a second sampling tube in example 1;
FIG. 5 is a schematic view showing a connection structure of a first sampling tube and a second sampling tube in example 1.
In the figure: 1. the device comprises an upper bottle body, 11, an opening part, 12, a sealing rubber ring, 13, a lower bottle body, 14, a bearing, 16, a limiting convex part, 17, a shelf, 21, an upper rod body, 22, a lower rod body, 23, an upper blade, 24, a lower blade, 31, a first sampling tube, 310, a fixing ring, 32, a second sampling tube, 33, an opening and closing plug, 331, a rotating handle part, 332, a second through hole, 34, a sucking disc, 340, a push rod, 41, a containing bucket, 410, a liquid distribution tube, 42, a first opening and closing valve, 43 and a second opening and closing valve.
Detailed Description
Example 1
The embodiment provides a technical scheme:
as shown in FIGS. 1 to 5, an apparatus for measuring iodine content in food comprises a bottle for containing a sample and an extraction reagent and a stirring device; the stirring device comprises a stirring rod and a stirring blade, wherein the stirring rod extends into the bottle body, and the stirring blade is fixedly arranged on the side wall of the stirring rod; a bearing 14 is fixedly arranged at the opening part 11 of the bottle body, and the end part of the stirring rod is fixed with the inner side wall of the bearing 14; the outer side end of the stirring rod is provided with a limiting convex part 16, and correspondingly, the inner side end of the bearing 14 is provided with a limiting groove matched with the limiting convex part 16.
In this embodiment, the actual personnel can place sample and extraction reagent in the bottle in advance, and at the extraction in-process, constantly rotate the stirring rod and stir solid-liquid or liquid-liquid mixture in the bottle simultaneously, make its misce bene, more be favorable to extracting. Simultaneously, this stirring rod and bottle open end are rotated through the bearing and are connected, and it is more convenient to operate. Technicians can dismantle and clean immediately after using, and impurities are prevented from being attached to the interior of the bottle body or the stirring device.
As shown in fig. 3, the bottle body comprises an upper bottle body 1 and a lower bottle body 13, and the upper bottle body 1 and the lower bottle body 13 are fixed by screwing; the lower bottle body 13 is internally provided with a shelf 17 for increasing the contact area of the sample and the extraction reagent, and the shelf 17 is provided with a through hole for the sample and the extraction reagent to pass through. When the experimenter needs to add samples and reagents for extraction experiment, the upper bottle body 1 and the lower bottle body 13 can be detached firstly. And the sample is evenly poured on the shelf 17, then the extraction reagent is added, and then the upper bottle body 1 and the lower bottle body 13 are combined, sealed and fixed, so that the extraction operation can be carried out.
As shown in fig. 3, the stirring rod comprises an upper rod body 21 and a lower rod body 22, and the upper rod body 21 and the lower rod body 22 are screwed and fixed; correspondingly, the stirring blade comprises an upper blade 23 fixed with the upper rod body 21 and a lower blade 24 fixed with the lower rod body 22, and the shelf 17 is provided with a through hole for the lower blade 24 to pass through in the vertical direction. In the practical use process, the experimenter can disassemble the upper rod body 21 and the lower rod body 22, and then assemble and fix the upper rod body 21 after the lower end of the upper rod body is inserted into the opening end of the bottle body.
In this embodiment, the shelf 17 is arcuate.
As shown in fig. 2, the end of the stirring rod facing the bearing 14 is provided with a rotating handle 15 which is convenient for a user to apply force.
As shown in fig. 3, the apparatus further comprises a sampling device for taking out a sample solution from the bottle body, the sampling device comprises a first sampling tube 31, a second sampling tube 32, an opening and closing plug 33 and a piston assembly, one end of the first sampling tube 31 is communicated with the upper bottle body 1, the other end of the first sampling tube 31 is fastened and fixed with the second sampling tube 32, a fixing ring 310 is arranged at one end of the first sampling tube 31 facing the second sampling tube 32, and the opening and closing plug 33 is rotatably mounted at the joint of the first sampling tube 31 and the second sampling tube 32; a first through hole is formed in the fixing ring 310, and a second through hole 332 corresponding to the first through hole is formed in the opening and closing plug 33; an annular groove 320 for facilitating the user to rotate to open and close the plug 33 is arranged at one end of the second sampling pipe 32 facing the first sampling pipe 31; the plunger assembly is disposed inside the second sampling tube 32.
During the in-service use, the experimenter can rotate earlier and open and close end cap 33 for second through-hole 332 aligns with first through-hole, draws the extract simultaneously through piston assembly and enters into on the second sampling tube 32. After sampling (10ml), the experimenter can turn on and off the plug 33, so that the second through hole 332 is not aligned with the first through hole, and the measured extraction solution can be transferred.
As shown in fig. 4, a rotating handle 331 is fixedly disposed at a side end of the opening/closing plug 33, and the rotating handle 331 is correspondingly disposed in the annular groove 320. The rotary grip 331 is for the experimenter to apply force, and may have any shape.
As shown in fig. 3, the plunger assembly includes a suction cup 34 and a push rod 340, the push rod 340 is fixed to an end of the suction cup 34 opposite to the first sampling tube 31, and the suction cup 34 is disposed inside the second sampling tube 32.
As shown in fig. 3, the apparatus further comprises a liquid separating device, wherein the liquid separating device comprises a hollow accommodating bucket 41, a liquid outlet pipe, a first opening and closing valve 42, a second opening and closing valve 43 and a liquid separating pipe 410; the upper end of the containing bucket 41 is communicated with a liquid outlet pipe, one end of the liquid outlet pipe, which is back to the containing bucket 41, is communicated with the second sampling pipe 32, and the first opening and closing valve 42 is arranged on the liquid outlet pipe; the upper end of the liquid separating pipe 410 is communicated with the lower end of the containing bucket 41, and the second opening and closing valve 43 is arranged on the liquid separating pipe 410. When waiting to divide liquid operation, the technical staff can open first on-off valve 42 earlier, promotes the push rod simultaneously for during the extract enters into and holds fill 41, after the liquid of waiting to divide, can open second on-off valve 43, make lower floor's liquid flow out. It should be noted here that when the piston assembly injects the liquid into the receiving bucket 41, the suction cup 34 has moved to the left side of the liquid outlet pipe, that is, if the first open/close valve 42 is opened during the liquid discharging process of the receiving bucket 41, the internal atmospheric pressure is the same as the external atmospheric pressure, so that the liquid in the lower layer of the receiving bucket 41 can flow out.
As shown in fig. 3, the upper rod 21 is sleeved with a sealing rubber ring 12, the outer end of the sealing rubber ring 12 abuts against the lower end of the opening 11 of the bottle body, and correspondingly, the opening 11 is provided with a caulking groove for the sealing rubber ring 12 to be inserted into. The arrangement of the sealing rubber ring 12 can prevent the extracting solution from splashing out of the upper stirring rod 21 in the stirring process.
Example 2
This embodiment improves once more on embodiment 1's basis, and in the actual extraction process, in order to make the experimenter more conveniently to rock and divide the liquid device, hold fill 41 and second sampling tube 32 and can dismantle the setting, the experimenter can dismantle to hold fill 41 and rock when the even operation is shaken to needs promptly.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. An instrument for measuring the iodine content in food is characterized by comprising a bottle body for containing a sample and an extraction reagent and a stirring device;
the stirring device comprises a stirring rod and a stirring blade, wherein the stirring rod extends into the bottle body, and the stirring blade is fixedly arranged on the side wall of the stirring rod;
a bearing (14) is fixedly arranged at the opening part (11) of the bottle body, and the end part of the stirring rod is fixed with the inner side wall of the bearing (14);
the outer side end of the stirring rod is provided with a limiting convex part (16), and correspondingly, the inner side end of the bearing (14) is provided with a limiting groove matched with the limiting convex part (16).
2. The apparatus for measuring iodine content in food according to claim 1, wherein said bottle body comprises an upper bottle body (1) and a lower bottle body (13), said upper bottle body (1) and said lower bottle body (13) are fixed by screwing; the lower bottle body (13) is internally provided with a shelf (17) for increasing the contact area of the sample and the extraction reagent, and the shelf (17) is provided with a through hole for the sample and the extraction reagent to pass through.
3. The apparatus for determining iodine content in food according to claim 2, wherein said stirring rod comprises an upper rod body (21) and a lower rod body (22), said upper rod body (21) and said lower rod body (22) are screwed and fixed; correspondingly, the stirring blade comprises an upper blade (23) fixed with the upper rod body (21) and a lower blade (24) fixed with the lower rod body (22), and a through hole for the lower blade (24) to pass through in the vertical direction is formed in the shelf (17).
4. An apparatus for determining the iodine content of a food product according to claim 2, wherein said shelf (17) is curved.
5. An apparatus for determining the iodine content of a food product according to claim 1, wherein the end of said stirring rod facing the bearing (14) is provided with a handle (15) for facilitating the application of force by the user.
6. The apparatus for determining iodine content in food according to claim 2, further comprising a sampling device for taking out a sample solution from the bottle body, wherein the sampling device comprises a first sampling tube (31), a second sampling tube (32), an opening and closing plug (33) and a piston assembly, one end of the first sampling tube (31) is communicated with the upper bottle body (1), the other end of the first sampling tube is fastened and fixed with the second sampling tube (32), a fixing ring (310) is arranged at one end of the first sampling tube (31) facing the second sampling tube (32), and the opening and closing plug (33) is rotatably mounted at the joint of the first sampling tube (31) and the second sampling tube (32);
a first through hole is formed in the fixing ring (310), and a second through hole (332) corresponding to the first through hole is formed in the opening and closing plug (33);
an annular groove (320) which is convenient for a user to rotate to open and close the plug (33) is formed in one end, facing the first sampling pipe (31), of the second sampling pipe (32);
the piston assembly is disposed inside the second sampling tube (32).
7. The apparatus for measuring iodine content in food as claimed in claim 6, wherein a rotary handle portion (331) is fixedly arranged at a side end of said opening and closing plug (33), and said rotary handle portion (331) is correspondingly arranged in said annular groove (320).
8. The apparatus for determining iodine content in food as claimed in claim 6, wherein said piston assembly comprises a suction cup (34) and a push rod (340), said push rod (340) is fixed to the end of said suction cup (34) facing away from said first sampling tube (31), said suction cup (34) is disposed inside said second sampling tube (32).
9. The apparatus for determining iodine content in food according to claim 6, further comprising a liquid separating device, wherein said liquid separating device comprises a hollow containing bucket (41), a liquid outlet pipe, a first open-close valve (42), a second open-close valve (43) and a liquid separating pipe (410);
the upper end of the containing hopper (41) is communicated with a liquid outlet pipe, one end of the liquid outlet pipe, which is back to the containing hopper (41), is communicated with a second sampling pipe (32), and the first opening and closing valve (42) is arranged on the liquid outlet pipe;
the upper end of the liquid separating pipe (410) is communicated with the lower end of the containing bucket (41), and the second opening and closing valve (43) is arranged on the liquid separating pipe (410).
10. The apparatus for determining iodine content in food as claimed in claim 3, wherein said upper rod (21) is sleeved with a sealing rubber ring (12), the outer end of said sealing rubber ring (12) is abutted against the lower end of the opening portion (11) of the bottle body, and correspondingly, the opening portion (11) is provided with a caulking groove for the sealing rubber ring (12) to be inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624476.0U CN209841809U (en) | 2019-04-30 | 2019-04-30 | Instrument for measuring iodine content in food |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624476.0U CN209841809U (en) | 2019-04-30 | 2019-04-30 | Instrument for measuring iodine content in food |
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| Publication Number | Publication Date |
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| CN209841809U true CN209841809U (en) | 2019-12-24 |
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| CN201920624476.0U Active CN209841809U (en) | 2019-04-30 | 2019-04-30 | Instrument for measuring iodine content in food |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707507A (en) * | 2020-06-23 | 2020-09-25 | 合肥安为康医学检验有限公司 | Biochemical quantitative detection device of blood sample |
-
2019
- 2019-04-30 CN CN201920624476.0U patent/CN209841809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707507A (en) * | 2020-06-23 | 2020-09-25 | 合肥安为康医学检验有限公司 | Biochemical quantitative detection device of blood sample |
| CN111707507B (en) * | 2020-06-23 | 2023-02-28 | 合肥安为康医学检验有限公司 | Biochemical quantitative detection device of blood sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An instrument for determination of iodine content in food Effective date of registration: 20200728 Granted publication date: 20191224 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: GREENTOWN NONGKE DETECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020330000547 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210926 Granted publication date: 20191224 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: GREENTOWN NONGKE DETECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020330000547 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An instrument for determining iodine content in food Effective date of registration: 20210927 Granted publication date: 20191224 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: GREENTOWN NONGKE DETECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021330001791 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230223 Granted publication date: 20191224 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: GREENTOWN NONGKE DETECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021330001791 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An instrument for measuring iodine content in food Effective date of registration: 20230615 Granted publication date: 20191224 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: GREENTOWN NONGKE DETECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023330001218 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |