CN102962110B - Diffusion vessel horizontal fixing device and using method thereof - Google Patents
Diffusion vessel horizontal fixing device and using method thereof Download PDFInfo
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- CN102962110B CN102962110B CN201210476780.8A CN201210476780A CN102962110B CN 102962110 B CN102962110 B CN 102962110B CN 201210476780 A CN201210476780 A CN 201210476780A CN 102962110 B CN102962110 B CN 102962110B
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- screw rod
- pressing plate
- elevating lever
- support bar
- screw
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Abstract
The invention discloses a diffusion vessel horizontal fixing device, belonging to the technical field of soil detection devices. The diffusion vessel horizontal fixing device comprises a base, a supporting rod, a lifting rod and a pressing board; the supporting rod uses a hollow straight rod, and is vertically fixed on the edge of the base; the lifting rod is L-shaped with a right angle; a vertical part of the lifting rod is inserted into the supporting rod, and can move inside the supporting rod up and down; the vertical part of the lifting rod is fixedly arranged through a fixing screw on the supporting rod; a screw rod is arranged at the middle position of a transverse part of the lifting rod; the screw rod can move at the transverse part of the lifting rod up and down; a screw rod handle is arranged at the upper end of the screw rod, and a flange is arranged at the lower end of the screw rod; the flange is sleeved inside a stopping tile; the stopping tile is fixedly arranged on the pressing board; the screw rod is connected with the pressing board through the stopping tile, and the pressing board is located in the horizontal direction; and the pressing board is located above the base and is opposite to the base. The diffusion vessel horizontal fixing device provided by the invention has the advantages of simple structure, convenience and security in use, and easiness in operation; and the technical problems that solutions of an inner chamber and an outer chamber are easily mixed as a diffusion absorption method is adopted for measuring alkali-hydrolyzale nitrogen content in soil, and consequently, the operation easily fails, are solved.
Description
Technical field
The present invention relates to the horizontal fixture of a kind of diffusion boat, belong to soil testing assemblies technical field.
Background technology
Soil alkali-hydrolyzable nitrogen comprises in inorganic nitrogen and part organic matter and holds labile, fairly simple organic nitrogen, and it is the summation of the protein of ammonium nitrogen, nitrate nitrogen, amino acid, acid amides and facile hydrolysis.It can reflect soil nitrogen supply situation at no distant date, so be called again soil available nitrogen.Measure the content of soil alkali-hydrolyzable nitrogen to understanding the confession nitrogen ability of soil, instruct the rational application of fertilizer to there is definite meaning.Therefore the alkali-hydrolyzable nitrogen that how can measure fast and accurately in soil is a problem in soil and fertilizer research field always.The current comparatively conventional diffusion absorption method that still adopts, the general glass diffusion boat that uses, the inside and outside chamber of ware body adds respectively boric acid and soil sample, on the external edge of ware, smear the sealants such as alkaline glycerine, the cover plate that frosted glass is made covers and rotates for several times, make ware limit and frosted glass cover plate completely bonding, gradually rotate again and remove frosted glass cover plate on one side, after exposing a slit, at diffusion boat exocoel, add alkali lye, then cover tightly immediately, tight with rubber band circle again, frosted glass cover plate is fixed, to guarantee same diffusion boat sealing completely.Put into subsequently insulating box and place 24 hours, then take out dismantle rubber band and frosted glass, boric acid absorption liquid is carried out to titration.This assay method result is stable, equipment is simple, but in operating process especially when bundle is torn rubber band open, need to guarantee diffusion boat careful operation on horizontal plane, the careless slightly mixing that just can cause interior exocoel solution, make operation failure, rework rate is high, and time-consuming.The horizontal fixture of diffusion boat is not also appeared in the newspapers at present.
Summary of the invention
For solving the problems of the technologies described above, for the defect described in background technology and deficiency, the invention provides the horizontal fixture of a kind of diffusion boat, to realize diffusion boat seal process easily and fast, complete safely.
Technical scheme of the present invention is as follows:
The horizontal fixture of diffusion boat, comprises base, support bar, elevating lever and pressing plate, it is characterized in that, the straight-bar that support bar is hollow, is vertically fixed on base edge, and support bar upper position is provided with fixed screw; Elevating lever is at right angles L shaped, and the vertical component of elevating lever inserts in support bar, and can in support bar, move up and down, and the fixed screw on support bar is fixed the vertical component of elevating lever; The interposition of elevating lever lateral part is equipped with a vertical hole, vertical hole inwall is provided with screw thread, screwed screw rod is suitable with the screw thread of vertical hole inwall, screw rod passes vertical hole, rotary screw, and screw rod moves up and down along vertical hole, the upper end of screw rod is provided with screw handle, lower end is provided with nosing, and nosing is enclosed within gear watt, and gear watt is fixed on above pressing plate; Screw rod is connected with pressing plate by gear watt, and makes pressing plate in horizontal direction; Pressing plate is positioned at base top relative with base.
The present invention is preferred, and described pressing plate bottom surface is covered with one deck cushion pad, further preferred, and described cushion pad is valve rubber.Cushion pad effectively cushions pressing plate for the pressure of diffusion boat, and guarantee pressing plate to diffusion boat surface stressed evenly, prevent from damaging diffusion boat.
The present invention is preferred, and pressing plate is provided with groove near end, elevating lever vertical component one end, and groove embeds elevating lever vertical component and moves up and down along elevating lever vertical component.The advantage of this kind of design: pressing plate can move up and down along elevating lever vertical component, prevents that pressing plate is offset in moving up and down process, makes pressing plate level push down frosted glass cover plate.
Described gear watt shape is as bowl-shape in being inverted, and in the middle of its bottom, with circular hole, Circularhole diameter is greater than the diameter of screw rod and is less than the diameter of nosing on screw rod, and when rotary screw handle makes screw rod move down, pressing plate is followed and do not moved down and can rotate.
The present invention is preferred, and the height of described support bar is 0.5～2cm, and the height of the vertical component of elevating lever is less than the height of support bar.
The present invention is preferred, and the width of described pressing plate is greater than mistress's diameter of diffusion boat.
Described base, support bar, elevating lever and pressing plate are metal material or rigid plastics material.
The present invention also provides the using method of the horizontal fixture of a kind of diffusion boat, comprises the following steps:
(1), by being stamped the diffusion boat that frosted glass cover plate, inside contain testing sample and reagent, be placed on the base of the horizontal fixture of diffusion boat,
(2), unclamp fixed screw, the vertical component of elevating lever moves up and down in support bar, adjusts elevating lever height, when pressing plate contacts with frosted glass cover plate, the fixed screw on screwed support bar;
(3), rotary screw handle moves down screw rod, screw rod moves down band dynamic pressure plate and moves down, the downward pressure of pressing plate is horizontally fixed on base frosted glass cover plate and diffusion boat simultaneously,
(4), the frosted glass cover plate fixing is moved in insulating box together with the horizontal fixture of diffusion boat with diffusion boat, standby.
The present invention is preferred, and the diffusion boat in step (1) is multilayer diffusion boat, upper and lower stacked being placed on base of multilayer diffusion boat.
The invention has the beneficial effects as follows:
1, the present invention is simple in structure, convenient fixing, by up-down adjustment elevating lever, jointly coordinate the downward pressure of pressing plate frosted glass cover plate can be fixed on diffusion boat, guarantee diffusion boat sealing completely, in fixation procedure, diffusion boat always on horizontal plane, prevents that diffusion boat from tilting and causing the solution mixing of chamber and mistress diffusion boat in, solved by diffusion absorption method and measured the easy mixing of mistress's solution in the alkali-hydrolyzable nitrogen in soil, caused the technical problem of operation failure.The horizontal fixture of diffusion boat of the present invention is accuracy rate original text fixedly, safety easy to use, and easily operation, time saving and energy saving, improved operating efficiency.
2, convenient disassembly of the present invention, unclamps fixed screw, upwards regulates elevating lever and screw rod, and level is taken off diffusion boat.
3, pressing plate of the present invention bottom surface is covered with one deck cushion pad, and cushion pad effectively cushions pressing plate for the pressure of diffusion boat, and guarantee pressing plate to diffusion boat surface stressed evenly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein: 1, base, 2, support bar, 3, elevating lever, 4, elevating lever lateral part, 5, screw rod, 6, pressing plate, 7, fixed screw, 8, valve rubber, 9, screw handle.
Fig. 2 is the cross-sectional view of screw rod and pressing plate junction in the present invention;
Wherein: 10, nosing, 11, gear watt.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described, but be not limited to this.
The horizontal fixture of diffusion boat, structure as shown in Figure 1 and Figure 2, comprises base 1, support bar 2, elevating lever 3 and pressing plate 6, and the straight-bar that support bar 2 is hollow is vertically fixed on base 1 edge, and support bar 2 upper positions are provided with fixed screw 7; Elevating lever 3 is at right angles L shaped, and the vertical component of elevating lever 3 inserts in support bar 2, and can in support bar 2, move up and down, and the vertical component of the 7 pairs of elevating levers 3 of fixed screw on support bar 2 is fixed; The interposition of elevating lever lateral part 4 is equipped with a vertical hole, vertical hole inwall is provided with screw thread, screwed screw rod 5 is suitable with the screw thread of vertical hole inwall, screw rod 5 is through vertical hole, rotary screw 5, screw rod 5 moves up and down along vertical hole, and the upper end of screw rod 5 is provided with screw handle 9, lower end is provided with nosing 10, and nosing 10 is rounded.Nosing 10 is enclosed within gear watts 11, and gear watt 11 shapes are as bowl-shape in being inverted, and in the middle of bottom, with circular hole, Circularhole diameter is greater than the diameter of screw rod 5 and is less than the diameter of nosing 10 on screw rod 5, and when rotary screw handle 9 makes screw rod move down, pressing plate is followed and do not moved down and can rotate.Gear watts 11 is fixed on above pressing plate 6; Screw rod 5 is connected with pressing plate 6 by gear watts 11, and makes pressing plate in horizontal direction; Pressing plate 6 is positioned at base 1 top relative with base 1.
Pressing plate 6 bottom surfaces are covered with one deck valve rubber 8.Valve rubber 8 effectively buffering pressing plate for the pressure of diffusion boat, and guarantee pressing plate to diffusion boat surface stressed evenly, prevent from damaging diffusion boat.
Pressing plate 6 is provided with groove near end, elevating lever vertical component one end, and groove embeds elevating lever vertical component and moves up and down along elevating lever vertical component, prevents that pressing plate from moving up and down middle skew, makes pressing plate level push down frosted glass cover plate.
The height of support bar 2 is 0.8cm, and the height of the vertical component of elevating lever is less than the height of support bar.
For making 6 pairs of diffusion boats of pressing plate stressed more even, the width of pressing plate 6 is greater than mistress's diameter of diffusion boat.
Base 1, support bar 2, elevating lever 3 and pressing plate 6 all adopt rigid plastics material.
Embodiment 2:
The horizontal fixture of diffusion boat as described in Example 1, difference is: the height of support bar 2 is 1.8cm.
Embodiment 3:
The using method of the horizontal fixture of diffusion boat described in embodiment 1, comprises the following steps:
1, by being stamped the diffusion boat that frosted glass cover plate, inside contain testing sample and reagent, be placed on the base 1 of the horizontal fixture of diffusion boat,
2, unclamp fixed screw 7, the vertical component of elevating lever moves up and down in support bar 2, adjusts elevating lever 3 height, when pressing plate 6 contacts with frosted glass cover plate, and the fixed screw 7 on screwed support bar 2;
3, rotary screw handle 9 moves down screw rod 5, and screw rod 5 moves down band dynamic pressure plate 6 and moves down, and the downward pressure of pressing plate 6 is horizontally fixed on base frosted glass cover plate and diffusion boat simultaneously,
4, the frosted glass cover plate fixing is moved in insulating box together with the horizontal fixture of diffusion boat with diffusion boat, standby.
Claims (1)
1. the horizontal fixture of diffusion boat, comprises base, support bar, elevating lever and pressing plate, it is characterized in that, during support bar is
Empty straight-bar, is vertically fixed on base edge, and support bar upper position is provided with fixed screw; The rectangular L shape of elevating lever, the vertical component of elevating lever inserts in support bar, and can in support bar, move up and down, and the fixed screw on support bar is fixed the vertical component of elevating lever; The interposition of elevating lever lateral part is equipped with a vertical hole, and vertical hole inwall is provided with
Screw thread, screwed screw rod is suitable with the screw thread of vertical hole inwall, and screw rod is through vertical hole, rotary screw, screw rod
Along vertical hole, move up and down, the upper end of screw rod is provided with screw handle, and lower end is provided with nosing, and nosing is enclosed within gear watt, gear watt
Be fixed on above pressing plate, gear watt shape is as bowl-shape in being inverted, its bottom is middle with circular hole, Circularhole diameter is greater than the diameter of screw rod and is less than the diameter of nosing on screw rod, when rotary screw handle makes screw rod move down, pressing plate is followed and is not moved down and can rotate, pressing plate bottom surface is covered with one deck cushion pad, described cushion pad is valve rubber, pressing plate is provided with groove near end, elevating lever vertical component one end, groove embeds elevating lever vertical component and moves up and down along elevating lever vertical component, and screw rod is connected with pressing plate by gear watt, and makes pressing plate in horizontal direction; Pressing plate is positioned at base top relative with base; The height of described support bar is 0.5～2cm, and the height of the vertical component of elevating lever is less than the height of support bar, and the width of described pressing plate is greater than mistress's diameter of diffusion boat.
2. according to the horizontal fixture of the diffusion boat described in claim 1, it is characterized in that: described base, support bar, liter
Falling bar and pressing plate is metal material or rigid plastics material.
3. a using method for the horizontal fixture of diffusion boat as described in claim 1, comprises the following steps:
(1), by being stamped the diffusion boat that frosted glass cover plate, inside contain testing sample and reagent, be placed in the horizontal fixture of diffusion boat
Base on,
(2), unclamp fixed screw, the vertical component of elevating lever moves up and down in support bar, adjusts elevating lever height, works as pressure
When plate contacts with frosted glass cover plate, the fixed screw on screwed support bar;
(3), rotary screw handle moves down screw rod, screw rod moves down band dynamic pressure plate and moves down, the downward pressure of pressing plate makes frosted glass lid
Plate and diffusion boat are horizontally fixed on base simultaneously,
(4), the frosted glass cover plate fixing is moved in insulating box together with the horizontal fixture of diffusion boat with diffusion boat, standby
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476780.8A CN102962110B (en) | 2012-11-21 | 2012-11-21 | Diffusion vessel horizontal fixing device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476780.8A CN102962110B (en) | 2012-11-21 | 2012-11-21 | Diffusion vessel horizontal fixing device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962110A CN102962110A (en) | 2013-03-13 |
| CN102962110B true CN102962110B (en) | 2014-09-17 |
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| CN201210476780.8A Expired - Fee Related CN102962110B (en) | 2012-11-21 | 2012-11-21 | Diffusion vessel horizontal fixing device and using method thereof |
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| CN107234564A (en) * | 2017-07-18 | 2017-10-10 | 合肥余塝电子商务有限公司 | A kind of synthetic wood plate device for positioning and securing |
| CN108452930B (en) * | 2018-05-30 | 2023-09-19 | 昌群精细工业（宜昌）有限公司 | Whole set production line for grinding |
| CN109490508B (en) * | 2018-10-23 | 2021-10-29 | 中国科学院合肥物质科学研究院 | Soil alkaline hydrolysis nitrogen-containing test prediction system |
| CN112505292B (en) * | 2020-11-17 | 2022-02-18 | 中国环境科学研究院 | Culture device and culture method for nitrogen hydrolysis experiment |
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| DE2649950A1 (en) * | 1976-10-30 | 1977-12-29 | Heidolph Elektro Kg | Laboratory stand with pneumatically assisted height adjustment - esp. for rotary evaporators etc. |
| CN2589967Y (en) * | 2002-12-27 | 2003-12-03 | 西北有色金属研究院 | Clamping device for testing porous material |
| CN2832283Y (en) * | 2005-08-29 | 2006-11-01 | 周森安 | Conjoined motor stirrer supporting structure |
| CN201427054Y (en) * | 2009-04-22 | 2010-03-24 | 潍坊东升电子有限公司 | Universal laboratory bench |
| CN201940179U (en) * | 2010-11-19 | 2011-08-24 | 大连欧科膜技术工程有限公司 | Performance testing equipment for quick-assembly membrane |
| CN202909756U (en) * | 2012-11-21 | 2013-05-01 | 山东省农业科学院农业资源与环境研究所 | Diffusion container horizontally-fixing device |
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2012
- 2012-11-21 CN CN201210476780.8A patent/CN102962110B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649950A1 (en) * | 1976-10-30 | 1977-12-29 | Heidolph Elektro Kg | Laboratory stand with pneumatically assisted height adjustment - esp. for rotary evaporators etc. |
| CN2589967Y (en) * | 2002-12-27 | 2003-12-03 | 西北有色金属研究院 | Clamping device for testing porous material |
| CN2832283Y (en) * | 2005-08-29 | 2006-11-01 | 周森安 | Conjoined motor stirrer supporting structure |
| CN201427054Y (en) * | 2009-04-22 | 2010-03-24 | 潍坊东升电子有限公司 | Universal laboratory bench |
| CN201940179U (en) * | 2010-11-19 | 2011-08-24 | 大连欧科膜技术工程有限公司 | Performance testing equipment for quick-assembly membrane |
| CN202909756U (en) * | 2012-11-21 | 2013-05-01 | 山东省农业科学院农业资源与环境研究所 | Diffusion container horizontally-fixing device |
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| CN102962110A (en) | 2013-03-13 |
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