CN205447739U - A alcohol burner for draing glass pipe and safety device against wind thereof - Google Patents
A alcohol burner for draing glass pipe and safety device against wind thereof Download PDFInfo
- Publication number
- CN205447739U CN205447739U CN201620003093.8U CN201620003093U CN205447739U CN 205447739 U CN205447739 U CN 205447739U CN 201620003093 U CN201620003093 U CN 201620003093U CN 205447739 U CN205447739 U CN 205447739U
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- alcohol burner
- becalming
- heat
- resisting
- flame
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Abstract
The utility model discloses an alcohol burner for draing glass pipe and safety device against wind thereof, which comprises an alcohol burner body, be equipped with safety device against wind on the alcohol burner body, this safety device against wind includes can dismantle the solid fixed ring who is connected with the alcohol burner head, and admittedly annular top of fixed ring is equipped with two block at least heat -resisting boards of becalming, and the clearance of the glass pipe that is used for draing is left to adjacent two heat -resisting becalming between the board, the heat -resisting coverage that the inner chamber space of closing formation was not less than alcohol burner flame that the board encloses of becalming, the heat -resisting board of becalming highly be not less than flame height. The device can be when using the alcohol burner to draw the glass pipe, avoids the air current to the interference of alcohol burner flame, and the back internal diameter of ensureing to draw is suitable. It when draing pasteur pipette and capillary glass tube, leads to the lower defect of yield to have overcome conventional alcohol burner because flame is unstable. Its simple structure, convenient to use, low cost in human gamete and the external operation process of embryo, are showing and are improving the efficiency of preparing various glass pipe operation tool.
Description
Technical field
This utility model belongs to biotic experiment apparatus field, is specifically related to a kind of alcohol burner for drawing glass tubing and wind-proof device thereof.
Background technology
In vitro during fertilization-embryo transfer technology implementation, need mankind's gamete (sperm and oocyte) and embryo are carried out manipulation in vitro.The most in vitro in fertilization laboratory, these manipulation in vitro are required for being completed by the glass tubing (including pasteur pipet and glass capillary) of drawing different inner diameters.Such as, internal diameter about 180-200 micron after the pasteur pipet needs drawing that human oocytes and embryo shift, internal diameter about 200-300 micron after the pasteur pipet of mankind's blastaea transfer needs to draw, human oocytes is carried out about 120-150 micron after degranulated pasteur pipet needs to draw, the capillary glass bore about 80-100 micron of ovum pin is held for micrurgy, for the capillary glass bore about 20-25 micron of embryo biopsy, the capillary glass bore for Intracytoplasmic sperm injection is about 5-7 micron.The manufacturing process of the operation instrument of these different inner diameters, is to be drawn and attenuated after scorification on flame by glass tubing again, then after the suitable position of internal diameter is disconnected, carries out suitable processing the most when needed.
The glass tubing of these different inner diameters is exactly the manipulation in vitro instrument of topmost mankind's gamete and embryo, and their quality is by the efficiency of appreciable impact manipulation in vitro.The operation instrument of high-quality should internal diameter be suitable, the broken ends of fractured bone is smooth, inner wall smooth, cleaning are nontoxic.Glass tubing inferior not only reduces the speed of manipulation in vitro, and gamete and embryo can be produced mechanical damage.During making, the step of most critical is exactly scorification and the drawing of glass tubing, how to obtain the glass tubing of high-quality, most important for manipulation in vitro.
The most in vitro in fertilization laboratory, the drawing of glass tubing presently mainly has been manually done.When drawing glass tubing, the process of scorification is to complete on the flame of alcohol burner, and the alcohol burner of laboratory mainly includes medical alcohol lamp, alcohol blast burner and butane blowtorch.Medical alcohol lamp is ignited ethanol, wherein flame envelope temperature about 700-800 DEG C by cotton wick, is best suitable for melting glass tubing, internal flame temperature about 500-600 DEG C, flame core temperature only about 300-400 DEG C.But flame envelope is most susceptible to the interference of air-flow and unstable, and internal flame and flame core take second place.Owing to manipulation in vitro process is to carry out in superclean bench, its airflow direction flows from inside to outside, and therefore alcohol burner flame is the most vertically upward, but do not stop to rock, especially flame envelope is more unstable.So unstable flame envelope temperature can be reduced to 500-600 DEG C, causes glass melting insufficient, it is impossible to obtains the glass tubing of suitable inner diameter；Additionally air-flow may cause alcohol burn insufficient, causes carrying out ustal carbon deposit on glass, and these carbon deposits may produce harmful effect to gamete and fetal development.Alcohol blast burner and butane blowtorch use the mode of spray combustion, flame stabilization, be not easily susceptible to interference in air flow, but its flame envelope temperature reaches more than 1000 DEG C, are difficult to control to when drawing glass tubing, and often glass is just fused by moment completely.
Although making suitable pasteur pipet and glass capillary manipulation in vitro instrument, it is the basic skill of external fertilization laboratory worker, but different operator may exist significant difference on the Grasping level making technical ability.Using significantly more efficient instrument to prevent air-flow for the interference of flame, thus it is ensured that operator makes the manipulation in vitro instrument of high-quality more easily, this will significantly improve the manipulation in vitro efficiency of mankind's gamete and embryo.
Utility model content
For the problems referred to above, this utility model aims to provide a kind of simple in construction, draws glass tubing alcohol burner more controllable, convenient and wind-proof device thereof.
This utility model solves the technical scheme of problem: a kind of alcohol burner for drawing glass tubing, including alcohol burner body, described alcohol burner body is provided with wind-proof device, this wind-proof device includes the retainer ring removably connected with alcohol burner head, the annular top of this retainer ring is provided with at least two blocks of heat-resisting plates of becalming, the adjacent two heat-resisting gaps left between plate for drawing glass tubing of becalming；
The intracavity space of described heat-resisting the enclosed formation of plate of becalming is not less than flame height not less than the coverage of alcohol burner flame, the height of heat-resisting plate of becalming.
In such scheme, the effect of retainer ring is so that hurricane globe is fixed on alcohol burner head；The effect of plate of becalming is the interference preventing air-flow to flame envelope；The gap becalmed between plate provides space for drawing pasteur pipet and glass capillary.
Further, described heat-resisting plate of becalming is arc, and is light-passing board.
Preferably, described heat-resisting plate of becalming is safety glass or quartz glass is made.
The purpose using light-passing board is to facilitate in pulling process the fusing situation of sight glass pipe.All edges all use polishing Passivation Treatment, prevent from hurting operator's skin.
Preferably, the heat-resisting plate of becalming at described retainer ring top has two pieces, and the two is arranged symmetrically with, and two pieces of heat-resisting becalming leave two interspaces between plate.
Further, described retainer ring is one-body molded with heat-resisting plate of becalming.Add man-hour, only tubulose material symmetry need to be cut gap, i.e. can get wind-proof device of the present utility model.
This utility model also provides for a kind of wind-proof device, and including retainer ring, the annular top of this retainer ring is provided with at least two blocks of heat-resisting plates of becalming, and adjacent two heat-resisting becalming leave gap between plate.
During use, first alcohol burner lampshade is opened, this wind-proof device is fixed on alcohol burner head, light alcohol burner by the breach between plate of becalming, adjust before and after plate of becalming is located at alcohol burner flame, stop the impact on flame of the superclean bench air-flow.By needing the glass tubing drawn by the gap between plate of becalming, being placed in alcohol burner flame envelope, after it starts fusing, speed away flame envelope drawing, and forms the suitable glass capillary of internal diameter after cooling.After use, retainer ring can be held, wind-proof device is taken off, cover alcohol burner cover knock down the flame.
Compared with prior art, the beneficial effects of the utility model are:
Alcohol burner wind-proof device of the present utility model can effectively prevent air-flow for the impact of medical alcohol lights flame, it is ensured that when drawing glass tubing, the process of glass melting is more controllable.Meanwhile, light-passing board can be observed during drawing easily.When overcoming the burning of conventional medical alcohol burner, flame envelope is easily by airflow influence, causes the shortcoming drawing glass tubing inefficiency.Its simple in construction, easy to use, with low cost, it is possible to ensureing that operator makes the manipulation in vitro instrument of high-quality more easily, this will significantly improve the manipulation in vitro efficiency of mankind's gamete and embryo.
This utility model is except being applicable to external fertilization laboratory, and being also applied for other needs to use the glass tubing after drawing to carry out the laboratorys such as the fetology of manipulation in vitro, zoology, cytobiology and microbiology.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is this utility model axonometric chart.
Fig. 2 is wind-proof device axonometric chart.
In figure: plate of 1, becalming；2, retainer ring, 3, alcohol burner body, 4, alcohol burner head, 5, wind-proof device.
Detailed description of the invention
As shown in Fig. 1～2, a kind of alcohol burner for drawing glass tubing, including alcohol burner body 3, described alcohol burner body 3 is provided with wind-proof device 5.This wind-proof device 5 includes the retainer ring 2 removably connected with alcohol burner head 4, and the annular top of this retainer ring 2 is provided with two blocks of heat-resisting plates 1 of becalming, and the two is arranged symmetrically with, two heat-resisting two interspaces left between plate 1 for drawing glass tubing of becalming.
The intracavity space of described heat-resisting the enclosed formation of plate 1 of becalming is not less than flame height not less than the coverage of alcohol burner flame, the height of heat-resisting plate 1 of becalming.
Described heat-resisting plate 1 of becalming is for arc, and is light-passing board.Preferably, described heat-resisting plate 1 of becalming is made for safety glass or quartz glass.
In one preferred embodiment, described retainer ring 2 is one-body molded with heat-resisting plate 1 of becalming.Add man-hour, only tubulose material symmetry need to be cut gap, i.e. can get wind-proof device 5 of the present utility model.
The size of plate 1 and the retainer ring 2 of becalming can be customized according to the type of used alcohol burner, and as a example by the medical alcohol lamp that laboratory is conventional, described retainer ring 2 is closed ring, and external diameter is 40mm, and internal diameter is 30mm, and thickness is 5mm, and height is 10mm；Plate 1 of becalming is arc, and a height of 50mm, width is 25mm, and thickness is 5mm；Two pieces of gap widths becalmed between plate 1 are 15mm, and height is 50mm, for drawing the offer space of glass tubing.
During use, first alcohol burner lampshade is opened, this wind-proof device 5 is fixed on alcohol burner head 4, light alcohol burner by the breach between plate 1 of becalming, adjust before and after plate 1 of becalming is located at alcohol burner flame, stop the impact on flame of the superclean bench air-flow.By needing the glass tubing drawn by the gap between plate 1 of becalming, being placed in alcohol burner flame envelope, after it starts fusing, speed away flame envelope drawing, and forms the suitable glass capillary of internal diameter after cooling.After use, retainer ring 2 can be held, wind-proof device 5 is taken off, cover alcohol burner cover knock down the flame.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that this utility model, rather than limit scope of the present utility model, after having read this utility model, those skilled in the art each fall within the application claims limited range to the amendment of the various equivalent form of values of the present utility model.
Claims (6)
1. the alcohol burner being used for drawing glass tubing, including alcohol burner body (3), it is characterized in that: described alcohol burner body is provided with wind-proof device (5), this wind-proof device (5) includes the retainer ring (2) removably connected with alcohol burner head (4), the annular top of this retainer ring (2) is provided with at least two pieces of heat-resisting plates of becalming (1), leaves the gap for drawing glass tubing between adjacent two heat-resisting plates of becalming (1)；
The intracavity space of the enclosed formation of described heat-resisting plate of becalming (1) is not less than flame height not less than the coverage of alcohol burner flame, the height of heat-resisting plate of becalming (1).
Alcohol burner for drawing glass tubing the most according to claim 1, it is characterised in that: described heat-resisting plate of becalming (1) is arc, and is light-passing board.
Alcohol burner for drawing glass tubing the most according to claim 2, it is characterised in that: described heat-resisting plate of becalming (1) is safety glass or quartz glass is made.
4. according to the alcohol burner for drawing glass tubing described in any one of claims 1 to 3, it is characterised in that: the heat-resisting plate of becalming (1) at described retainer ring (2) top has two pieces, and the two is arranged symmetrically with, and leaves two interspaces between two pieces of heat-resisting plates of becalming (1).
Alcohol burner for drawing glass tubing the most according to claim 1, it is characterised in that: described retainer ring (2) is one-body molded with heat-resisting plate of becalming (1).
6. a wind-proof device, it is characterised in that: include that retainer ring (2), the annular top of this retainer ring (2) are provided with at least two pieces of heat-resisting plates of becalming (1), between adjacent two heat-resisting plates of becalming (1), leave gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003093.8U CN205447739U (en) | 2016-01-05 | 2016-01-05 | A alcohol burner for draing glass pipe and safety device against wind thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620003093.8U CN205447739U (en) | 2016-01-05 | 2016-01-05 | A alcohol burner for draing glass pipe and safety device against wind thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205447739U true CN205447739U (en) | 2016-08-10 |
Family
ID=56602015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620003093.8U Expired - Fee Related CN205447739U (en) | 2016-01-05 | 2016-01-05 | A alcohol burner for draing glass pipe and safety device against wind thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205447739U (en) |
-
2016
- 2016-01-05 CN CN201620003093.8U patent/CN205447739U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20190105 |