CN209946138U - BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample - Google Patents
BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample Download PDFInfo
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- CN209946138U CN209946138U CN201920782936.2U CN201920782936U CN209946138U CN 209946138 U CN209946138 U CN 209946138U CN 201920782936 U CN201920782936 U CN 201920782936U CN 209946138 U CN209946138 U CN 209946138U
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- injection
- check valve
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Abstract
BOD (Biochemical oxygen demand)5Measure water sample reagent bottle, including the bottle, fill in the bottle plug of the bottleneck of bottle, its characterized in that: the bottle stopper also comprises a bottle stopper cover arranged on the bottle stopper; an overflow liquid collecting U-shaped groove which is integrally formed with the bottle body is arranged on the outer side of the bottle mouth; an overflow one-way valve and an injection one-way valve are arranged in the bottle plug, the overflow one-way valve is connected with an overflow port of the bottle plug and is also connected with the space in the bottle body through an overflow pipe, and the injection one-way valve is connected with the injection of the bottle plugThe injection port is also connected with the space in the bottle body through an injection tube; the bottle stopper cover comprises a permanent magnet, the permanent magnet is installed at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve. The beneficial effects of the utility model are that, can once seal the water sample that awaits measuring to under the condition of not opening the bottle plug, the accessible injection port adds the medicine many times, and stirs through the electromagnetism stirring rod, and in the whole measurement process, the sample remains the isolation with the atmosphere throughout, has guaranteed measuring result's accuracy, has reduced operator working strength.
Description
Technical Field
The utility model relates to a liquid holds reagent bottle technical field, in particular to BOD5Measuring the reagent bottle, i.e. BOD, of a water sample5A water sample reagent bottle used in the determination.
Background
BOD according to Standard HJ505-20095In the determination method, in the whole measurement process, a manganese sulfate solution, an alkaline potassium iodide sodium azide solution and a sulfuric acid solution need to be added in sequence, because a water sample reagent bottle is a water sample obtained by an overflow method, when chemical reagents are added again, a bottle plug needs to be opened to add the reagents, the water sample is sealed by the bottle plug again, redundant liquid overflows at the moment, a detector needs to pour overflow waste liquid after sealing and mechanically shake the water sample reagent bottle, and a sample medicine mixed liquid containing acid and alkali is scattered on a table top or splashed on the skin and clothes of the operator in the whole operation process, so that pollution or injury can be caused; meanwhile, in the process of adding medicines into the water sample reagent bottle, the bottle plug of the water sample reagent bottle needs to be opened for many times, so that the collected water sample is exposed in the air for many times, and the measurement result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a BOD with simple structure and convenient use for making up the deficiency of the prior art5And (5) measuring a water sample reagent bottle.
The utility model discloses a realize through following technical scheme:
BOD (Biochemical oxygen demand)5Measure water sample reagent bottle, including the bottle, fill in the bottle plug of the bottleneck of bottle, its characterized in that: the bottle stopper also comprises a bottle stopper cover arranged on the bottle stopper;
an overflow liquid collecting U-shaped groove which is integrally formed with the bottle body is arranged on the outer side of the bottle mouth;
an overflow one-way valve and an injection one-way valve are arranged in the bottle stopper, the overflow one-way valve is connected with an overflow port of the bottle stopper and is also connected with the space in the bottle body through an overflow pipe, and the injection one-way valve is connected with an injection port of the bottle stopper and is also connected with the space in the bottle body through an injection pipe;
the bottle stopper cover comprises a permanent magnet, the permanent magnet is installed at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve.
The overflow one-way valve comprises an overflow one-way valve core, an overflow one-way valve spring and an overflow one-way valve plug which are sequentially contacted; the overflow check valve plug is fixed on the bottle plug, an overflow port communicated with the overflow valve cavity is formed in the side face of the bottle plug, the lower portion of the bottle plug is connected with an overflow pipe, an overflow check valve core is used for plugging the overflow port in the upper end of the overflow pipe, the position of the overflow port is higher than the overflow check valve sealing port, and the lower end of the overflow pipe is located in the bottle body.
The injection check valve comprises an injection check valve core, an injection check valve spring and an injection tube which are contacted in sequence, the upper end of the injection tube is fixed in an injection check valve cavity of the bottle plug, the lower end of the injection check valve core is positioned in the bottle body, the upper end of the injection check valve core can be slidably positioned in the injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, a gap is formed between the middle upper part of the injection check valve core and the injection port, and the gap is used for injecting liquid.
The bottle plug cover is detachably arranged on the bottle plug and can be reused.
The outer side of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole is formed between the bottle plug cover and the rubber sleeve and is communicated with the injection port so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the permanent magnet is provided with a circle of bulges at the outer side, a circle of grooves are arranged at the inner side of the rubber sleeve, and the grooves are sleeved on the bulges so that the permanent magnet is firmly combined with the rubber sleeve.
The overflow one-way valve plug and the overflow one-way valve core are made of magnetic materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle stopper cover and is mutually exclusive.
The lower end of the injection pipe is higher than the lower end of the overflow pipe by a certain height, so that liquid which is just injected is prevented from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance D2 between the overflow tube opening and the bottle bottom is 3-5cm, so that the stirring function is not influenced when the electromagnetic stirring rod is placed in the bottle.
The outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that the hand is prevented from contacting the overflow port of the bottle plug.
The bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be conveniently pulled out; the injection port is positioned on the central line of the bottle stopper.
The electromagnetic stirrer is adopted to stir liquid in the bottle, the electromagnetic stirring rod is placed in the bottle body, the bottle body is placed on the electromagnetic stirring seat, the electromagnetic stirring seat controls the electromagnetic stirring rod to stir the liquid in the bottle body, and the electromagnetic stirring rod and the electromagnetic stirring seat form the electromagnetic stirrer.
The beneficial effects of the utility model are that, can once seal the water sample that awaits measuring to under the condition of not opening the bottle plug, the accessible injection port adds the medicine many times, and stirs through the electromagnetism stirring rod, and in the whole measurement process, the sample remains the isolation with the atmosphere throughout, has guaranteed measuring result's accuracy, has reduced operator working strength. And unnecessary waste liquid can discharge the U-shaped groove automatically, pour the overflow liquid before opening the bottle plug can, effectively prevent to pollute operating personnel's skin, clothes, desktop, avoid the injury to operating personnel. The height difference between the lower end of the overflow pipe opening and the lower end of the injection pipe opening can prevent injection reagents from directly flowing out through the overflow pipe, and the experiment quality is guaranteed. The utility model discloses can be applicable to manual injection and automatic injection reagent, the commonality is high.
Drawings
Fig. 1 is a schematic front view of the present invention.
In the figure: 1 bottle body, 2 bottle stoppers, 3 overflow check valve cores, 4 overflow ports, 5 overflow check valve springs, 6 overflow check valve plugs, 7 bottle stopper cover rubber sleeves, 8 bottle stopper cover permanent magnets, 9 injection ports, 10 injection check valve cores, 11 injection check valve springs, 12 injection pipes, 13 overflow pipes, 14 overflow liquid collection U-shaped grooves, 15 exhaust holes, 16 electromagnetic stirring rods, 17 electromagnetic stirring seats and 18 bulges.
Detailed Description
The attached drawing is a concrete embodiment of the utility model.
BOD (Biochemical oxygen demand)5A reagent bottle for measuring water samples comprises a bottle body 1, a bottle plug 2 plugged into the bottle mouth of the bottle body and a bottle plugA bottle stopper cover is arranged on the bottle stopper;
an overflow liquid collecting U-shaped groove 14 which is integrally formed with the bottle body is arranged on the outer side of the bottle mouth;
an overflow one-way valve and an injection one-way valve are arranged in the bottle stopper, the overflow one-way valve is connected with an overflow port 4 of the bottle stopper and is also connected with the space in the bottle body through an overflow pipe 13, and the injection one-way valve is connected with an injection port 9 of the bottle stopper and is also connected with the space in the bottle body through an injection pipe 12;
the bottle stopper cover comprises a permanent magnet 8, the permanent magnet is installed at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve.
The overflow one-way valve comprises an overflow one-way valve core 3, an overflow one-way valve spring 5 and an overflow one-way valve plug 6 which are sequentially contacted; the overflow check valve plug is fixed on the bottle plug, the side face of the bottle plug is provided with an overflow port 4 communicated with the overflow valve cavity, the lower part of the bottle plug is connected with an overflow pipe 13, the overflow check valve core is used for plugging the overflow port at the upper end of the overflow pipe, the position of the overflow port is higher than the sealing port of the overflow check valve, and the lower end of the overflow pipe is positioned in the bottle body.
The injection check valve comprises an injection check valve core 10, an injection check valve spring 11 and an injection tube 12 which are contacted in sequence, the upper end of the injection tube is fixed in an injection check valve cavity of the bottle plug, the lower end of the injection check valve core is positioned in the bottle body, the upper end of the injection check valve core is slidably positioned in the injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, a gap is reserved between the middle upper part of the injection check valve core and the injection port, and the gap is used for injecting liquid.
The bottle plug cover is detachably arranged on the bottle plug and can be reused.
The outside of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve 7, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole 15 is formed between the bottle plug cover and the rubber sleeve and is communicated with an injection port 9 so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the outer side of the permanent magnet is provided with a circle of bulges 18, the inner side of the rubber sleeve is provided with a circle of grooves, and the grooves are sleeved on the bulges so that the permanent magnet is firmly combined with the rubber sleeve.
The overflow one-way valve plug and the overflow one-way valve core are made of magnetic materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle stopper cover and is mutually exclusive.
The lower end of the injection pipe is higher than the lower end of the overflow pipe by a certain height, so that liquid which is just injected is prevented from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance D2 between the overflow tube opening and the bottle bottom is 3-5cm, so that the stirring function is not influenced when the electromagnetic stirring rod is placed in the bottle.
The outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that the hand is prevented from contacting the overflow port of the bottle plug.
The bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be conveniently pulled out; the injection port is positioned on the central line of the bottle stopper.
The electromagnetic stirrer is adopted to stir the liquid in the bottle, the electromagnetic stirring rod 16 is placed in the bottle body, the bottle body is placed on the electromagnetic stirring seat 17, the electromagnetic stirring seat controls the electromagnetic stirring rod to stir the liquid in the bottle body, and the electromagnetic stirring rod 16 and the electromagnetic stirring seat 17 form the electromagnetic stirrer.
When the electromagnetic stirring bottle is used, firstly, the electromagnetic stirring rod is placed into the bottle body and filled with a water sample to be detected, then the bottle plug cover is covered on the bottle plug, at the moment, under the action of the magnetic force of the bottle plug cover, the injection one-way valve and the overflow one-way valve are simultaneously opened, and the bottle plug is placed into the bottle opening and tightly plugged. Because injection check valve and overflow check valve are all opened this moment, when adopting the sealed water sample of overflow method, can not have gas in injection tube and the overflow pipe, unnecessary water sample that awaits measuring flows through the overflow mouth, and the overflow water sample is collected through overflow U type groove. After the bottle plug is plugged tightly, the bottle plug cover is taken down, the injection one-way valve and the overflow one-way valve are closed, and the sample to be detected is kept in a sealing state.
After the water sample is sealed, the water sample reagent bottle is placed on the electromagnetic stirring seat, and the reagent is injected into the water sample through the injection port according to the specified flow, and manual injection or automatic equipment injection can be adopted. During injection, the injection check valve is opened under injection pressure, and when reagent was injected simultaneously, the bottle internal pressure increased, and the overflow check valve was opened, and unnecessary liquid is discharged through the overflow pipe, and unnecessary liquid is finally collected in overflow liquid collection U type groove. After the injection is stopped, the overflow check valve is closed, and the injection check valve is closed. After the injection of each reagent is finished, the electromagnetic stirring seat is opened, and the electromagnetic stirring rod is used for stirring the liquid under the action of the electromagnetic stirring seat until the stirring is finished.
The utility model provides a water sample reagent bottle once only accomplishes the water sample sealed back, need not open the bottle plug and can realize the injection and the stirring of follow-up reagent, has guaranteed that the water sample that awaits measuring keeps apart with the air all the time in the experimentation, has reduced operator working strength and has improved detection quality. Meanwhile, the water sample reagent bottle can collect overflow liquid generated in the experimental process until the experiment is finished, and the overflow liquid can be poured out before the bottle plug is opened. The utility model discloses can be applicable to manual injection and automatic injection reagent, the commonality is high. The height difference between the overflow pipe opening and the injection pipe opening can prevent injection reagents from directly flowing out through the overflow pipe, and the experiment quality is guaranteed.
Claims (9)
1. BOD (Biochemical oxygen demand)5Measure water sample reagent bottle, including the bottle, fill in the bottle plug of the bottleneck of bottle, its characterized in that: the bottle stopper also comprises a bottle stopper cover arranged on the bottle stopper;
an overflow liquid collecting U-shaped groove which is integrally formed with the bottle body is arranged on the outer side of the bottle mouth;
an overflow one-way valve and an injection one-way valve are arranged in the bottle stopper, the overflow one-way valve is connected with an overflow port of the bottle stopper and is also connected with the space in the bottle body through an overflow pipe, and the injection one-way valve is connected with an injection port of the bottle stopper and is also connected with the space in the bottle body through an injection pipe;
the bottle stopper cover comprises a permanent magnet, the permanent magnet is installed at the upper end of the bottle stopper, and the bottle stopper cover can control the opening of the overflow check valve and the injection check valve.
2. The BOD of claim 15Measure water sample reagent bottle, its characterized in that: the overflow one-way valve comprises an overflow one-way valve core, an overflow one-way valve spring and an overflow one-way valve plug which are sequentially contacted; the overflow check valve plug is fixed on the bottle plug, the side surface of the bottle plug is provided with an overflow port communicated with the overflow valve cavity, the lower part of the bottle plug is connected with the overflow pipe, and the overflow check valve core is used for plugging the upper end of the overflow pipeThe overflow port is higher than the overflow check valve sealing port, and the lower end of the overflow pipe is positioned in the bottle body.
3. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the injection check valve comprises an injection check valve core, an injection check valve spring and an injection tube, wherein the injection check valve core, the injection check valve spring and the injection tube are sequentially contacted, the upper end of the injection tube is fixed in an injection check valve cavity of the bottle plug, the lower end of the injection check valve core is positioned in the bottle body, the upper end of the injection check valve core is slidably positioned in the injection port, the lower end of the injection check valve core is positioned in the injection check valve cavity, the lower end of the injection check valve core is used for plugging the injection port, a gap is formed between the middle upper part of the injection check valve core.
4. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the bottle plug cover is detachably arranged on the bottle plug and can be reused.
5. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the outer side of the permanent magnet of the bottle plug cover is sleeved with a rubber sleeve, the bottle plug cover is tightly and firmly sleeved on the upper part of the bottle plug through the rubber sleeve, an exhaust hole is formed between the bottle plug cover and the rubber sleeve and is communicated with the injection port so as to exhaust air in the bottle, and the diameter of the exhaust hole is smaller than that of the injection port; the permanent magnet is provided with a circle of bulges at the outer side, a circle of grooves are arranged at the inner side of the rubber sleeve, and the grooves are sleeved on the bulges so that the permanent magnet is firmly combined with the rubber sleeve.
6. The BOD of claim 35Measure water sample reagent bottle, its characterized in that: the overflow one-way valve plug and the overflow one-way valve core are made of magnetic materials and can be adsorbed by a magnet; the injection one-way valve core is a permanent magnet, and the magnetic pole at the upper end of the injection one-way valve core is the same as the magnetic pole at the bottom of the bottle stopper cover and is mutually exclusive.
7. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the lower end of the injection tube is higher thanThe lower end of the overflow pipe has a certain height to prevent the liquid just injected from overflowing; the length D1 of the injection tube penetrating into the liquid is 2-3cm, and the distance D2 between the overflow tube opening and the bottle bottom is 3-5cm, so that the stirring function is not influenced when the electromagnetic stirring rod is placed in the bottle.
8. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the outer edge of the overflow liquid collecting U-shaped groove is higher than the bottle mouth, so that the hand is prevented from contacting the overflow port of the bottle plug.
9. The BOD of claim 1 or 25Measure water sample reagent bottle, its characterized in that: the bottle body is matched with the bottle stopper by adopting a conical surface, and the upper surface of the bottle stopper is higher than the outer edge of the overflow liquid collecting U-shaped groove after the bottle stopper is completely sealed, so that the bottle stopper can be conveniently pulled out; the injection port is positioned on the central line of the bottle stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782936.2U CN209946138U (en) | 2019-05-28 | 2019-05-28 | BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782936.2U CN209946138U (en) | 2019-05-28 | 2019-05-28 | BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946138U true CN209946138U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920782936.2U Expired - Fee Related CN209946138U (en) | 2019-05-28 | 2019-05-28 | BOD (Biochemical oxygen demand)5Reagent bottle for measuring water sample |
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| Country | Link |
|---|---|
| CN (1) | CN209946138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068664A (en) * | 2019-05-28 | 2019-07-30 | 菏泽学院 | A kind of BOD5Measure water sample reagent bottle |
-
2019
- 2019-05-28 CN CN201920782936.2U patent/CN209946138U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068664A (en) * | 2019-05-28 | 2019-07-30 | 菏泽学院 | A kind of BOD5Measure water sample reagent bottle |
| CN110068664B (en) * | 2019-05-28 | 2024-05-28 | 菏泽学院 | BOD (BOD)5Reagent bottle for measuring water sample |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |