CN203750553U - Flow velocity adjustable sampling device - Google Patents
Flow velocity adjustable sampling device Download PDFInfo
- Publication number
- CN203750553U CN203750553U CN201420008132.4U CN201420008132U CN203750553U CN 203750553 U CN203750553 U CN 203750553U CN 201420008132 U CN201420008132 U CN 201420008132U CN 203750553 U CN203750553 U CN 203750553U
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- CN
- China
- Prior art keywords
- urceolus
- inner core
- seal cover
- outer cylinder
- flow velocity
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Abstract
The utility model discloses a flow velocity adjustable sampling device. The flow velocity adjustable sampling device is characterized by comprising a round outer cylinder; a round inner cylinder capable of rotating in the outer cylinder is sleeved with the outer cylinder; the upper end of the outer cylinder is provided with a seal cover; the seal cover is provided with an indicator capable of rotating horizontally along with the upper surface of the seal cover; one end of the indicator points to scales on the seal cover, and the other end of the indicator is connected with a pinion in the outer cylinder by a first central rotary shaft; the upper edge of the inner cylinder is provided with an annular ring bulge extending upward; a bull gear which is rotatably meshed with the pinion and gear teeth of the annular bulge respectively is arranged between the pinion and the annular bulge; the lateral wall of the outer cylinder is symmetrically provided with an outer cylinder liquid inlet and an outer cylinder liquid outlet; the lateral wall of the inner cylinder is symmetrically provided with an inner cylinder liquid inlet and an inner cylinder liquid outlet, which are identical with the outer cylinder liquid inlet in height; the clearance between the lateral wall of the outer cylinder and the lateral wall of the inner cylinder is sealed. The flow velocity adjustable sampling device has the advantages of simple structure, convenience in operation, and capability of controlling the dropping speed.
Description
Technical field
The utility model relates to use for laboratory instrument, especially relates to the adjustable sample adding device of a kind of flow velocity.
Background technology
In medical chemistry laboratory, often need to carry out various chemistry or biochemical reaction, in course of reaction, often need carry out according to different condition the interpolation of reagent, comprise that the sample before reaction directly mixes, the disposable reagent interpolation in reaction etc.Also some reaction needed coutroi velocity or drip speed and carry out the progressively interpolation of sample in course of reaction.At present, experimenter uses micropipettor absorption quantitative liquid successively to add in for a small amount of sample adding procedure.But more when sample size, the reaction time is longer, while requiring reagent interpolation speed to carry out with the jogging speed dripping, successively drip if still rely on experimenter to use micropipettor to draw quantitative liquid in experiment, will increase greatly labour expenditure; If reaction needed is spent the night or carry out several days continuously, the method for operating that relies on experimenter manually to drip is unrealistic.Therefore, adopt at present the generally micropipettor of use to carry out application of sample, not only need manual operation to waste time and energy, inefficiency, and cannot control the flow velocity of sample adding liquid.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in structure, easy to operate, the adjustable sample adding device of flow velocity that can accurately control rate of addition
The utility model solves the problems of the technologies described above adopted technical scheme: the adjustable sample adding device of a kind of flow velocity, comprise circular outer cylinder, in described urceolus, be arranged with the circular inner tube that can turn in urceolus inward turning, the upper end of described urceolus is provided with seal cover, on described seal cover, be provided with the pointer that can horizontally rotate along seal cover upper surface, described seal cover top surface edge is provided with the scale being used in conjunction with described pointer, one end of described pointer is pointed to described scale and its other end and is connected with first central rotating shaft vertical with pointer, the first described central rotating shaft stretches in described urceolus and its lower end has been horizontally disposed with pinion, the upper edge of described inner core is provided with a upwardly extending loop projection, the inner side of described annular projection is provided with circle gear teeth, between described pinion and described annular projection, be provided with gear wheel, the gear teeth of described gear wheel respectively with the intermeshing rotation of the gear teeth of the gear teeth of described pinion and described annular projection, on the sidewall of described urceolus, be symmetrically arranged with urceolus inlet opening and urceolus fluid hole, on the sidewall of described inner core, be symmetrically arranged with inner core inlet opening and inner core fluid hole with described urceolus inlet opening equal height, space sealing between the sidewall of the sidewall of described urceolus and described inner core arranges, described urceolus inlet opening connects feed tube, described urceolus fluid hole connects drain pipe.
The circular port that described urceolus inlet opening and described urceolus fluid hole are formed objects, the square opening that described inner core inlet opening and described inner core fluid hole are formed objects, the diameter of described circular port is identical with the size of the length of side of described square opening.Adopt diameter circular port and the square opening identical with the length of side, in the process of circular port and square opening juxtaposition, be conducive to the calculating of flow area, thereby accurately calculate sample drop acceleration.
Described gear wheel is fixedly connected with described seal cover by the second central rotating shaft.
Between the sidewall of the sidewall of described urceolus and described inner core, be provided with elaxtic seal.
Compared with prior art, the utility model has the advantage of: the utility model discloses the adjustable sample adding device of a kind of flow velocity, comprise circular outer cylinder and the circular inner tube that can turn in urceolus inward turning, the upper end of urceolus is provided with seal cover, on seal cover, be provided with pointer, scale is pointed in one end of pointer and its other end connects the first central rotating shaft, the first central rotating shaft stretches in urceolus and its lower end has been horizontally disposed with pinion, between the annular projection of the top of pinion and inner core, be provided with gear wheel, gear wheel respectively with pinion and the intermeshing rotation of annular projection, on the sidewall of urceolus, be symmetrically arranged with urceolus inlet opening and urceolus fluid hole, on the sidewall of inner core, be symmetrically arranged with inner core inlet opening and inner core fluid hole with urceolus inlet opening equal height, space sealing between the outer wall of the inwall of urceolus and described inner core arranges, work as rotating pointer, pointer drives pinion rotation, pinion drives gear wheel, gear wheel drives inner core to rotate successively, when inner core forwards that inner core inlet opening intersects with urceolus inlet opening to or overlapping, inner core fluid hole intersects with urceolus fluid hole or when overlapping, sample liquid flows into from feed tube, flowed out by drain pipe, thereby pass through the rate of addition of the rotation liquid with precise control of pointer.Therefore when this device uses, only need rotary indicator, it is indicated in certain meter full scale, just can control liquid throughput, regulate the speed of dripping of dropping liquid, not only simple in structure, easy and simple to handle, and realize the control to fluid drips acceleration, improve the accuracy of experiment course of reaction, can carry out long-time left unguarded reagent and drip, further improved operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the adjustable sample adding device of flow velocity of the present utility model;
Fig. 2 is the top view of the adjustable sample adding device of flow velocity of the present utility model;
Fig. 3 is the left view of the adjustable sample adding device of flow velocity of the present utility model;
Fig. 4 is the right view of the adjustable sample adding device of flow velocity of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Specific embodiment
The adjustable sample adding device of a kind of flow velocity, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, comprise circular outer cylinder 1, in urceolus 1, being arranged with can be at the circular inner tube 2 of urceolus 1 interior rotation, the upper end of urceolus 1 is provided with seal cover 3, on seal cover 3, be provided with the pointer 4 that can horizontally rotate along seal cover 3 upper surfaces, seal cover 3 top surface edge are provided with the scale 5 being used in conjunction with pointer 4, scale 5 is pointed in one end of pointer 4 and its other end is connected with first central rotating shaft 6 vertical with pointer 4, the first central rotating shaft 6 stretches in urceolus 1 and its lower end has been horizontally disposed with pinion 7, the upper edge of inner core 2 is provided with a upwardly extending loop projection 8, the inner side of annular projection 8 is provided with circle gear teeth 9, between pinion 7 and annular projection 8, be provided with gear wheel 10, the gear teeth of gear wheel 10 respectively with the intermeshing rotation of the gear teeth 9 of the gear teeth and the annular projection 8 of pinion 7, on the sidewall of urceolus 1, be symmetrically arranged with urceolus inlet opening 11 and urceolus fluid hole 12, on the sidewall of inner core 2, be symmetrically arranged with inner core inlet opening 13 and inner core fluid hole 14 with urceolus inlet opening 11 equal heights, space sealing between the sidewall of the sidewall of urceolus 1 and inner core 2 arranges, urceolus inlet opening 11 connects feed tube 15, urceolus fluid hole 12 connects drain pipe 16.
In this specific embodiment, the circular port that urceolus inlet opening 11 and urceolus fluid hole 12 are formed objects, the square opening that inner core inlet opening 13 and inner core fluid hole 14 are formed objects, the diameter of circular port is identical with the size of the length of side of square opening.Gear wheel 10 is fixedly connected with seal cover 3 by the second central rotating shaft 17.Between the sidewall of the sidewall of urceolus 1 and inner core 2, be provided with elaxtic seal.
Above-described embodiment is to further illustrate of the present utility model, and protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. the adjustable sample adding device of flow velocity, it is characterized in that: comprise circular outer cylinder, in described urceolus, be arranged with the circular inner tube that can turn in urceolus inward turning, the upper end of described urceolus is provided with seal cover, on described seal cover, be provided with the pointer that can horizontally rotate along seal cover upper surface, described seal cover top surface edge is provided with the scale being used in conjunction with described pointer, one end of described pointer is pointed to described scale and its other end and is connected with first central rotating shaft vertical with pointer, the first described central rotating shaft stretches in described urceolus and its lower end has been horizontally disposed with pinion, the upper edge of described inner core is provided with a upwardly extending loop projection, the inner side of described annular projection is provided with circle gear teeth, between described pinion and described annular projection, be provided with gear wheel, the gear teeth of described gear wheel respectively with the intermeshing rotation of the gear teeth of the gear teeth of described pinion and described annular projection, on the sidewall of described urceolus, be symmetrically arranged with urceolus inlet opening and urceolus fluid hole, on the sidewall of described inner core, be symmetrically arranged with inner core inlet opening and inner core fluid hole with described urceolus inlet opening equal height, space sealing between the sidewall of the sidewall of described urceolus and described inner core arranges, described urceolus inlet opening connects feed tube, described urceolus fluid hole connects drain pipe.
2. the adjustable sample adding device of a kind of flow velocity according to claim 1, it is characterized in that: the circular port that described urceolus inlet opening and described urceolus fluid hole are formed objects, the square opening that described inner core inlet opening and described inner core fluid hole are formed objects, the diameter of described circular port is identical with the size of the length of side of described square opening.
3. the adjustable sample adding device of a kind of flow velocity according to claim 1, is characterized in that: described gear wheel is fixedly connected with described seal cover by the second central rotating shaft.
4. according to the adjustable sample adding device of a kind of flow velocity described in any one in claim 1-3, it is characterized in that: between the sidewall of described urceolus and the sidewall of described inner core, be provided with elaxtic seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008132.4U CN203750553U (en) | 2014-01-06 | 2014-01-06 | Flow velocity adjustable sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008132.4U CN203750553U (en) | 2014-01-06 | 2014-01-06 | Flow velocity adjustable sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750553U true CN203750553U (en) | 2014-08-06 |
Family
ID=51245865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008132.4U Expired - Fee Related CN203750553U (en) | 2014-01-06 | 2014-01-06 | Flow velocity adjustable sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750553U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362813A (en) * | 2016-10-28 | 2017-02-01 | 朱虹斐 | Solid-liquid mixing reagent bottle |
| CN109187871A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | A kind of test device for indoor formaldehyde |
| CN109187870A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | A kind of indoor formaldehyde mechanism for testing |
| CN109187869A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | It is a kind of for detecting the device of formaldehyde |
| CN110314303A (en) * | 2019-07-09 | 2019-10-11 | 山东交通学院 | A kind of foam type public transport fire extinguishing packet |
| CN115646360A (en) * | 2022-09-02 | 2023-01-31 | 东营明德化工有限公司 | Hydrogenation reaction kettle quantitative hydrogenation device |
-
2014
- 2014-01-06 CN CN201420008132.4U patent/CN203750553U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362813A (en) * | 2016-10-28 | 2017-02-01 | 朱虹斐 | Solid-liquid mixing reagent bottle |
| CN106362813B (en) * | 2016-10-28 | 2018-06-08 | 张翠英 | Solid-liquid mix reagent bottle |
| CN109187871A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | A kind of test device for indoor formaldehyde |
| CN109187870A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | A kind of indoor formaldehyde mechanism for testing |
| CN109187869A (en) * | 2018-09-20 | 2019-01-11 | 东莞市北扬工业设计有限公司 | It is a kind of for detecting the device of formaldehyde |
| CN110314303A (en) * | 2019-07-09 | 2019-10-11 | 山东交通学院 | A kind of foam type public transport fire extinguishing packet |
| CN115646360A (en) * | 2022-09-02 | 2023-01-31 | 东营明德化工有限公司 | Hydrogenation reaction kettle quantitative hydrogenation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |