CN207396175U - A kind of nitrogen evaporator with adjustable air tube - Google Patents

A kind of nitrogen evaporator with adjustable air tube Download PDF

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Publication number
CN207396175U
CN207396175U CN201721347460.7U CN201721347460U CN207396175U CN 207396175 U CN207396175 U CN 207396175U CN 201721347460 U CN201721347460 U CN 201721347460U CN 207396175 U CN207396175 U CN 207396175U
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CN
China
Prior art keywords
air tube
air
disk
tube
supporting rod
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Expired - Fee Related
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CN201721347460.7U
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Chinese (zh)
Inventor
霍志军
张庆丽
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An Jian (beijing) Technology Co Ltd
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An Jian (beijing) Technology Co Ltd
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Priority to CN201721347460.7U priority Critical patent/CN207396175U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of nitrogen evaporators with adjustable air tube, its drip irrigation device includes pedestal, the water bath being arranged on the pedestal, perpendicular to the supporting rod of the water bath, it is arranged on the supporting rod to fix the sample mounting frame of test tube, the sample mounting frame upper end is arranged on for the blowning installation blown in test tube, and it is arranged on the sample mounting frame to the air distributing device of the blowning installation distribution, the blowning installation includes being vertically arranged in air tube, the fixed pedestal that is arranged on sample mounting frame and can radially be slided along supporting rod to close or separate supporting rod, wherein, the air tube vertical sliding is arranged on the fixed pedestal, and the second elastic parts for vertically sliding and being fixed to the air tube is provided on fixed pedestal.When the test tube to different liquid levels and different-diameter is tested, the height and horizontal level of air tube can be adjusted so that nitrogen blowing effect is preferable.

Description

A kind of nitrogen evaporator with adjustable air tube
Technical field
The utility model is related to a kind of chemical analysis device, more specifically, it relates to a kind of nitrogen with adjustable air tube Blow instrument.
Background technology
Nitrogen evaporator is mainly used for the sample preparation in liquid phase, gas phase and mass spectral analysis, and nitrogen is usually blown by nitrogen evaporator to be added The surface of hot sample carries out sample concentration, since nitrogen is a kind of inactive gas, can play the role of starvation, prevent Reagent in test tube is aoxidized.
Nitrogen evaporator breaks the vapor liquid equilibrium in liquid overhead using the quick flowing of nitrogen, so that the speed that evaporates adds Soon;And temperature is raised by heating water bath mode, so as to achieve the purpose that concentration.With it is time saving, easy to operate, be easy to control The features such as, expected result can be obtained quickly.
For the existing notification number that can refer to for CN204202972U Chinese utility model patents, which discloses a kind of nitrogen Blow instrument, technical points include chassis, Sample location frame, needle-valve pipe, adjusting screw, centre frame, the needle-valve pipe lower end with it is soft Pipe connects, and hose lower end connects with pointed nozzle, and needle-valve pipe upper end is equipped with handle type switch valve.
In use, test tube on Sample location frame is installed, is blown in the hose insertion test tube of needle-valve pipe lower end Nitrogen.
In actual conditions, difference, the difference of the amount of reagent in vitro added in when being tested using test tube diameter are Guarantee is good to blow afloat effect, it is necessary to be adjusted to the position of needle-valve pipe, and in the prior art, the position of needle-valve pipe is fixed , so so that when needle-valve pipe blows to different liquid levels and different-diameter test tube, be not easy to be adjusted.
Utility model content
It to be blown in view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of nitrogen with adjustable air tube Instrument, when the test tube to different liquid levels and different-diameter is tested, can to the height of air tube and horizontal level into Row adaptability is adjusted so that nitrogen blowing effect is preferable.
To achieve the above object, the utility model provides following technical solution:
A kind of nitrogen evaporator with adjustable air tube including pedestal, is arranged on the pedestal to carry out water-bath to test tube The water bath of heating, perpendicular to the water bath supporting rod, be arranged on the supporting rod for fix test tube sample peace It shelves, be arranged on the sample mounting frame upper end for the blowning installation blown in test tube and being arranged on the sample To the air distributing device of the blowning installation distribution on product mounting bracket, the blowning installation includes being vertically arranged in air tube, being arranged on On sample mounting frame and along the fixed pedestal that supporting rod can radially be slided to close or separate supporting rod, wherein, the gas Pin vertical sliding is arranged on the fixed pedestal, and is provided on fixed pedestal and progress is vertically slided to the air tube Fixed second elastic parts.
By using above-mentioned technical proposal, sample mounting frame is mounted on supporting rod, and test tube is installed on sample mounting frame, Air tube, by the way that tracheae is slidably arranged on fixed pedestal, can adjust the height of air tube, pass through cunning to be blown into nitrogen in test tube The dynamic fixed pedestal set can adjust fixed base in the distance between supporting rod, so as to fulfill to air tube horizontal and perpendicular The upward adjusting of Nogata when the test tube to different liquid levels and different-diameter is tested, enables to nitrogen blowing effect Preferably.
Preferably, the blowning installation be provided in the circumferencial direction of sample mounting frame it is multigroup.
It, can be to being mounted on sample mounting frame by multigroup blowning installation of setting by using above-mentioned technical proposal Test tube blow respectively so that multiple experimental synchronous carry out.
Preferably, the fixed pedestal is provided in the axial direction with the spliced eye of perforation, the air tube is slipped in spliced eye, institute Fixed pedestal is stated in offering on side wall and radially the second lock hole, second lock hole is through spliced eye and does not penetrate through solid Determine pedestal side wall;Second locked component includes the second positive stop key being slidably arranged in the second lock hole and one end is supported The second limit spring that the second lock hole bottom other end elasticity is connected to the second positive stop key end is connected on, wherein, the second positive stop key On offer to pass through the second kidney slot of the air tube.
By using above-mentioned technical proposal, air tube is slidably arranged in spliced eye, by the way that the depth of the second lock hole is set The radius being set to more than fixed pedestal, which can be realized, is set in the second kidney slot on the second positive stop key on air tube, passes through setting The second limit spring to the second positive stop key elasticity abut so that the second kidney slot is connected to close to one end of the second limit spring On air tube, so as to be pushed against to air tube elasticity, in oscilaltion, the second positive stop key is pressed so that air tube can slide up and down, from And realize the adjusting to air tube height.
Preferably, the sample mounting frame includes setting the air tube disk of the fixed pedestal and air distributing device, set The connecting rod fixed the rack for test tube of test tube and be fixedly connected with the air tube disk with rack for test tube is used for below air tube disk, In, the air tube disk, rack for test tube are all set on the supporting rod.
By using above-mentioned technical proposal, it is used to fix fixed pedestal and air distributing device, lower section by the air tube disk of setting Rack for test tube for installing test tube, air tube disk with rack for test tube is fixedly connected by using connecting rod, can be rotated synchronously, So as to facilitate air tube to examination treacheal gas insufflation.
Preferably, being angularly arranged at intervals with multiple sliding slots on the air tube disk on circumferencial direction, the sliding slot is in Kidney slot and length direction are parallel to the radial direction of air tube;The fixed pedestal is fixed with sliding set close to one end of air tube disk Cylinder, by being plugged on downwards in sliding slot above air tube disk, the sliding sleeve can use by oneself the sliding sleeve in sliding slot It slides, the flexible fixation kit being pushed against on air tube disk is set on the sliding sleeve and below air tube disk.
By using above-mentioned technical proposal, pass through the sliding sleeve being fixed at below fixed pedestal so that fixed base Seat can be slided in sliding slot, so as to drive air tube to a Slideslip close or away from supporting rod, so as to adjust air tube Horizontal level, at the same time, elastic compression is carried out to fixed base by the fixation kit of setting, makes it that can not freely move It is dynamic.
It is set on sliding sleeve preferably, the fixation kit is included in below air tube disk and is connected to air tube disk following table The holddown spring in face and it is threaded in the hook knob on sliding sleeve in holddown spring lower end.
By using above-mentioned technical proposal, by the holddown spring being arranged below sliding sleeve and cunning is threaded in Hook knob on female connector cylinder can be adjusted the compression degree of holddown spring, fixed base can be consolidated It is fixed, still, it can be moved by using external force.
Preferably, the air distributing device includes the gas distribution plate being fixed on the air tube disk, is connected simultaneously with gas distribution plate Appendix to the air tube distribution and the air inlet pipe to gas distribution plate supply.
It, can be by nitrogen by matching somebody with somebody by the gas distribution plate of setting, air inlet pipe and appendix by using above-mentioned technical proposal Gas disk is respectively allocated to air tube.
Preferably, the gas distribution plate, which is set on the supporting rod and is bolted, is arranged on the upper of the air tube disk Surface along the circumferential direction offers close to the one side of the air tube disk annular groove in a ring, the distribution in the gas distribution plate Disk circumference offers perforation annular groove to the air admission hole for offering perforation annular groove, the gas distribution plate in one end away from air tube disk Air distribution hole, wherein, air admission hole connects the air inlet pipe, and air distribution hole connects the appendix.
By using above-mentioned technical proposal, pass through the gas distribution plate of setting, annular groove, Yi Jiyu with being opened up inside gas distribution plate The nitrogen that admission line introduces can be linked into annular groove, be picked out from air distribution hole by the air distribution hole opened up on gas distribution plate.
Preferably, the gas distribution plate close to one end of the air tube disk and offers seal groove in the both sides of annular groove, institute It states and sealing ring is provided in seal groove.
It, can be close to being carried out between the gentle dials of gas distribution plate by the sealing ring of setting by using above-mentioned technical proposal Envelope so that annular groove is in a closed chamber so that nitrogen is not easy to leak out, while but also extraneous air is not easy Into annular groove so that the nitrogen in annular groove is more pure.
Preferably, the appendix connects an air tube respectively by tracheae regulating valve.
By using above-mentioned technical proposal, air tube is connected by the tracheae regulating valve of setting, it can be by using tracheae tune Section valve carries out whether control air tube blows, and the operation air tube so as to selectivity works.
In conclusion the utility model has the advantages that:
1st, sample mounting frame is mounted on supporting rod, and test tube is installed on sample mounting frame, and air tube is to be blown into nitrogen in test tube Gas by the way that tracheae is slidably arranged on fixed pedestal, can adjust the height of air tube, by sliding the fixed pedestal set, Fixed base can be adjusted in the distance between supporting rod, so as to fulfill the adjusting to air tube in the horizontal and vertical directions, When being tested to the test tube of different liquid levels and different-diameter, enable to nitrogen blowing effect preferable;
2nd, air tube is slidably arranged in spliced eye, by the way that the depth of the second lock hole is set greater than the half of fixed pedestal Footpath, which can be realized, is set in the second kidney slot on the second positive stop key on air tube, by the second limit spring of setting to second Positive stop key elasticity abuts so that the second kidney slot is connected to close to one end of the second limit spring on air tube, so as to air tube bullet Property push against, in oscilaltion, press the second positive stop key so that air tube can slide up and down, so as to fulfill pair easily and fast The adjusting of air tube height;
3rd, the sliding sleeve by being fixed at below fixed pedestal so that fixed pedestal can be slided in sliding slot It is interior, it is same with this so as to adjust the horizontal level of air tube so as to drive air tube to a Slideslip close or away from supporting rod When, elastic compression is carried out to fixed base by the fixation kit of setting, makes it that can not move freely.
Description of the drawings
Fig. 1 is a kind of overall schematic of the nitrogen evaporator with adjustable air tube;
Fig. 2 is a kind of structure diagram of prominent heating unit in nitrogen evaporator with adjustable air tube;
Fig. 3 is a kind of structure diagram of prominent sample mounting frame in nitrogen evaporator with adjustable air tube;
Fig. 4 is a kind of structure diagram of prominent rack for test tube in nitrogen evaporator with adjustable air tube;
Fig. 5 is a kind of structure diagram of prominent lifting gear in nitrogen evaporator with adjustable air tube;
Fig. 6 is a kind of sectional view of prominent lifting gear in nitrogen evaporator with adjustable air tube;
Fig. 7 is a kind of structure diagram of prominent blowning installation in nitrogen evaporator with adjustable air tube;
Fig. 8 is a kind of structure diagram of prominent air distributing device in nitrogen evaporator with adjustable air tube;
Fig. 9 is a kind of structure diagram of gas distribution plate in nitrogen evaporator with adjustable air tube;
Figure 10 is a kind of sectional view of prominent gas distribution plate in nitrogen evaporator with adjustable air tube;
Figure 11 is a kind of structure diagram of prominent gas-guide tube in nitrogen evaporator with adjustable air tube.
Reference numeral:1st, pedestal;11st, water bath;111st, discharge outlet;112nd, drainpipe;113rd, ball valve;12nd, installing port;2、 Heating unit;21st, shell is heated;22nd, power interface;3rd, supporting rod;31st, lock slots;32nd, admission line;33rd, gas-guide tube;34、 Air inlet main valve;4th, sample mounting frame;41st, air tube disk;411st, jack hole;412nd, slot is slipped;42nd, rack for test tube;421st, chassis; 4211st, permeable mouth one;4212nd, permeable mouth two;422nd, it is clamped disk;4221st, card interface one;423rd, fixed disk;4231st, card interface Two;4232nd, elastic collar;4233rd, caging bolt;43rd, connecting rod;5th, lifting gear;51st, stop sleeve;52nd, fixes sleeve; 521st, hole is slipped;522nd, the first lock hole;53rd, the first locked component;531st, the first positive stop key;5311st, fixed part;5312nd, One kidney slot;532nd, the first limit spring;54th, elastic parts;541st, installing pipe;542nd, load spring;543rd, cylinder is slipped;6th, blow Device of air;61st, air tube;62nd, fixed pedestal;621st, sleeve is slipped;622nd, spliced eye;623rd, the second lock hole;63rd, the second locking Component;631st, the second positive stop key;6311st, the second kidney slot;632nd, the second limit spring;64th, fixation kit;641st, bullet is compressed Spring;642nd, gasket;643rd, guard shield;644th, hook knob;7th, air distributing device;71st, gas distribution plate;711st, mounting hole;712nd, ring Shape slot;713rd, internal projection;7131st, counterbore;7132nd, seal groove;7133rd, sealing ring;714th, outer protrusion portion;715th, inner groove; 716th, air admission hole;717th, air distribution hole;72nd, appendix;721st, gas-tpe fitting one;722nd, tracheae regulating valve;73rd, air inlet pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.Wherein same or similar label represents phase With either similar element or there is same or like element.The embodiment described below in conjunction with the accompanying drawings is exemplary , it is only used for explaining the utility model, and it is not intended that limitation to the utility model.
In the description of the utility model, it is to be understood that term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the instructions such as " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " Either position relationship is based on orientation shown in the drawings or position relationship in orientation, is for only for ease of description the utility model Simplify description rather than instruction and either imply that signified device, component or element there must be specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, for term " first ", " second " only For descriptive purposes, and it is not intended that instruction either implies the number of relative importance or the implicit technical characteristic for indicating instruction Amount." first " is defined as a result, the feature of " second " can be expressed or what is implied includes one or more this feature. In the description of the utility model, unless otherwise indicated, the meaning of " multiple " refers to two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, such as can be fixedly connected or be detachably connected or integral Connection, can be mechanical connection, can also be connected directly, can also be indirectly connected by intermediary, can be two Connection inside element.For those of ordinary skills, above-mentioned term can be understood in this reality as the case may be With the concrete meaning in new.
A kind of nitrogen evaporator with adjustable air tube as depicted in figs. 1 and 2, including pedestal 1, is arranged at adding for 1 lower section of pedestal Thermal 2, the supporting rod 3 set up perpendicular to 1 center of pedestal, the sample that is arranged on supporting rod 3 and can slide up and down Mounting bracket 4 is arranged at 4 upper end of sample mounting frame and for adjusting lifting gear of the sample mounting frame 4 along 3 oscilaltion of supporting rod 5th, it is arranged on sample mounting frame 4 and is used for the blowning installation 6 to blowing in test tube and is arranged on sample mounting frame 4 For the air distributing device 7 of distribution, in use, test tube is mounted on sample mounting frame 4 first, is filled by using distribution It puts 7 to access nitrogen, nitrogen blows to test tube by blowning installation 6.
1 rectangular housing of pedestal, cylinder water bath 11 is offered in the one side of pedestal 1, wherein, in water bath 11 Inside it is contained with distilled water, the lower end of sample mounting frame 4(One end of test tube is installed)It is immersed in the distilled water in water bath 11.
The one end of pedestal 1 away from water bath 11 offers installing port 12, in the bottom of water bath 11 and close to installing port 12 One side be fixedly installed heating unit 2, the distilled water in water bath 11 is heated by heating unit 2, so as to Heating water bath is carried out to invisible spectro liquid.
Heating unit 2 includes being fixed at the heating shell 21 of 11 bottom of water bath and be coated in heating shell 21 The heating rod in portion(It is not shown in figure), wherein, heating shell 21 is in the form of annular discs, and entirety is made of aluminum material, will be heated Inside it, since aluminium has good heat conductivility, the heat that heating rod generates can quickly be conducted to adding stick entity package In hot shell 21, heating shell 21 heats water bath 11, and such design structure expands heating surface (area) (HS so that water bath Water in 11 is heated more uniformly, reduces scattering and disappearing for heating rod energy to a certain extent, improves the efficiency of heating surface.
The power interface 22 of heating rod is arranged on heating 21 side wall of shell, and heating rod is powered from bottom;Meanwhile Discharge outlet 111 is offered in 11 bottom of water bath, is welded at discharge outlet 111 from 11 bottom of water bath and extended to outside pedestal 1 Drainpipe 112, for by water bath 11 water discharge, meanwhile, be provided on drainpipe 112 opening or be closed draining The ball valve 113 of pipe 112.
As shown in Figure 1, the axial centre in water bath 11 is fixedly installed supporting rod 3 straight up, wherein, sample peace 4 are shelved to be set on supporting rod 3.
Sample mounting frame 4 includes air tube disk 41, positioned at the rack for test tube 42 of the lower section of air tube disk 41 and for by air tube disk 41 The multiple connecting rods 43 being fixedly connected with rack for test tube 42, wherein, air tube disk 41 is rounded, and diameter is less than the straight of water bath 11 Footpath, when in use, rack for test tube 42 are located at lower end and are placed in water bath 11.
As shown in figure 3, rack for test tube 42 includes chassis 421 identical with 41 diameter of air tube disk, is fixed above chassis 421 The clamping disk 422 of setting and clamping disk 422 top and two fixed disks 423 being mutually parallel are fixed at, wherein, bottom Disk 421 is clamped disk 422 and two fixed disks 423 between vertical direction all there are gap, solid successively by connecting rod 43 Fixed connection.
As shown in Figure 3 and Figure 4, chassis 421 is rounded, is along the circumferential direction uniformly provided on chassis 421 multiple permeable Mouth 1, permeable mouth 2 4212 is offered at the center on chassis 421, when chassis 421 is placed in water bath 11, Neng Goufang Just the distilled water in water bath 11 covers chassis 421 by permeable mouth 1 and permeable mouth 2 4212.
When installing test tube, the bottom of test tube is connected on chassis 421, and side wall is connected to clamping disk 422 and fixed plate 423 On.
Multiple card interfaces 1 are equidistantly evenly arranged on clamping disk 422 and in circle circumferential outer edge, wherein, card Interface 1 is in arc line shaped and smaller close to one side opening of the center of circle, so as to facilitate the columned test tube of clamping;In two fixations Card interface 2 4231 is offered with the position that card interface 1 aligns so that card interface two on disk 423 and in vertical direction 4231 is corresponding respectively with card interface 1, wherein, card interface 2 4231 is arc-shaped, smaller in the side opening close to the center of circle, Test tube can be connected at card interface 2 4231,.
As shown in Figure 1 and Figure 4, when being connected to test tube at 2 4231 position of card interface 1 and card interface, in order to /V is carried out in the horizontal direction to test tube, can be fixed in card interface 1 and card interface 2 4231, it is solid at two Elastic collar 4232 is provided between price fixing 423, for test tube to be fixed.
Multiple /Vs are along the circumferential direction fixedly installed between two fixed disks 423 and positioned at 2 4231 inside of card interface Bolt 4233, when no test tube needs fixed, 4232 elasticity of elastic collar is connected on caging bolt 4233, when needs are to examination When pipe is fixed, elastic collar 4232 to away from center of circle one side is pulled, test tube is fixed on 4232 inside of elastic collar.
Wherein, the jack hole 411 passed through for supporting rod 3 is offered at the center of air tube disk 41 and card adapter plate 422, so that Sample mounting frame 4 is obtained to slide on supporting rod 3.
When being operated to test tube, it is necessary to a test tube part is immersed in water bath 11, according to the need of different experiments Will, sample mounting frame 4 carries out sample mounting frame 4 by lifting gear 5 along 3 up and down adjustment of supporting rod by lifting gear 5 While fixed, it can select to immerse test tube into different depth, so as to adapt to different experiment demands.
As shown in Figure 5 and Figure 6, lifting gear 5 include be arranged on straight up 41 center of air tube disk stop sleeve 51, in 51 upper end of stop sleeve fixed setting fixes sleeve 52 and in the first locked component 53 in fixes sleeve 52, wherein, branch Support set cylinder 51 is threaded in jack hole 411(As shown in Figure 4)It is interior, so as to fulfill between stop sleeve 51 and air tube disk 41 can Dismantling connection.
Center offers sliding hole 521 in stop sleeve 51, fixes sleeve 52 so that supporting rod 3 can be slipped in cunning It connects in hole 521, the first locked component 53 can radially push against supporting rod 3, so as to which sample support frame 4 be fixed.
The first lock hole 522 is offered on 52 side wall of fixes sleeve and radially, wherein, the depth of the first lock hole 522 Degree is more than the radius of fixes sleeve 52 and less than its diameter, so that the sliding hole 521 of the first lock hole 522 connection, the first lock Determine 522 one end of hole and form opening, the other end is sunken to inside fixes sleeve 52, and the first locked component 53 is arranged on the first lock hole In 522.
In order to preferably install the first locked component 53, the diameter of fixes sleeve 52 is more than stop sleeve 51, the first locking The diameter in hole 522 is more than the diameter in sliding hole 521.
First locked component 53 include being slidably arranged in the first positive stop key 531 in the first lock hole 522 and one end with First lock hole, 411 bottom fixed setting other end elasticity is connected to the first limit spring 532 on the first positive stop key 531, In, the first limit spring 532 is in compressive state, in order to enable the company between the first limit spring 532 and the first positive stop key 531 It connects relatively stable, fixed part 5311 is formed with close to one end of the first limit spring 532 in the first positive stop key 531, wherein, Fixed part 5311 is connected to 532 inside of the first limit spring.
First positive stop key 531 is cylindrical, offers on its side wall and radially the first kidney slot 5312 of perforation, and Supporting rod 3 passes through the first kidney slot 5312 so that the first positive stop key 531 can not depart from the first lock hole 522, pass through the first limit Position spring 532 pushes against the elasticity of the first positive stop key 531 so that supporting rod 3 is connected to the first kidney slot 5312 close to the first limit One end of position spring 532.
As shown in Figure 3 and Figure 6, multiple lock slots 31 are along the circumferential direction offered on the side wall of the upper end of supporting rod 3, and The position contacted when fixes sleeve 52 is slided up and down with supporting rod 3 can cover all lock slots 31, when lock slots 31 are in During the first 522 position of lock hole, the first kidney slot 5312 on the first positive stop key 531 is connected in lock slots 31, so as to sample Product mounting bracket 4 is fixed.
When pressing the first positive stop key 531, the first kidney slot 5312 to close to the first limit spring 532 1 Slideslip, from And depart from lock slots 31 so that fixes sleeve 52 can slide up and down, and during sliding up and down, by by the first positive stop key 531 are connected in different lock slots 31, so as to fulfill the adjusting to 4 height of sample mounting frame.
It should be noted that when the first positive stop key 531 is connected on one lock slots 31 of the lowermost, chassis 421 with There are gaps between bottom in water bath 11.
Meanwhile in order to prevent sample mounting frame 4 during downslide since operation error causes to be connected to 11 bottom of water bath Portion is provided with elastic parts 54 in supporting rod 3 close to one end of water bath 11, when sample mounting frame 4 is slipped along supporting rod 3 in water When in bath 11, elastic abutting is carried out to it.
Elastic parts 54 include being set on supporting rod 3 and close to water bath one end installing pipe 541 and be set in peace Load spring 542 in tubulature 541, wherein, when sample mounting frame 4 on supporting rod 3 when sliding, the jack hole on chassis 421 411 lower ends are fixedly installed sliding cylinder 543(As shown in Figure 4), sliding cylinder 543 can be slided in installing pipe 541, while elasticity It is connected on load spring 542, when sample mounting frame 4 glides to it into row buffering, meanwhile, pass through the installing pipe 541 of setting Support tube 3 can be reinforced, be become by the line slip between 543 chassis 421 of sliding cylinder of setting and installing pipe 3 It slides in face so that sample mounting frame 4 is relatively stable during sliding up and down.
As shown in Figure 3 and Figure 7, blowning installation 6 is arranged on air tube disk 41 and multiple along its circumference to being evenly arranged with, and is used It blows in the test tube on sample mounting frame 4.
Blowning installation 6 includes the air tube 61 being vertically arranged and the test tube to being installed on sample mounting frame 4 is blown, sets It puts in air tube disk 41 and the fixed pedestal 62 that is set on 61 side wall of air tube and is arranged on fixed pedestal 62 to fix gas Second locked component 63 of pin 61;Wherein, air tube 61 is the minute hand of boring.
Fixed pedestal 62 is cylinder, is axially perpendicular to air tube disk 41, in 62 lower face circle centre position one of fixed pedestal Sliding sleeve 621 is formed with, the spliced eye 622 through sliding sleeve 621 is offered at the axle center of fixed pedestal 62 so that gas Pin 61 can pass through spliced eye 622 and can be slided up and down along spliced eye 622.
The second lock hole 623 is offered on side wall on fixed pedestal 62 and radially, wherein, the second lock hole 623 Depth be more than the radius of fixed pedestal 62 and less than its diameter so that the second lock hole 623 penetrates through spliced eye 622, the One end of two lock holes 623 forms opening, and the other end is sunken to inside fixed pedestal 62, and the second locked component 63 is arranged on the second lock Determine in hole 623.
Second locked component 63 includes the second positive stop key 631 being slidably arranged in the second lock hole 623, one end is connected to Second lock hole, the 623 bottom other end is connected to the second limit spring 632 of 631 end of the second positive stop key, wherein, the second /V Spring 632 is in compressive state, and the diameter of the second positive stop key 631 is more than the diameter of air tube 61, on 631 side wall of the second positive stop key The second kidney slot 6311 through its side wall is opened up, air tube 61 passes through the second kidney slot 6311, so that the second positive stop key 631 The second lock hole 623 can not be departed from, the elasticity of second positive stop key 631 is abutted by the second limit spring 632 so that second Positive stop key 631 is moved to the one side away from the second limit spring 632, so as to which the second kidney slot 6311 is close to the second limit spring 632 one end elasticity is connected on 61 side wall of air tube, so as to carry out flexible fastening in vertical direction to air tube 61.
When invisible spectro liquid level difference, by upwardly or downwardly sliding air tube 61 so that air tube 61 is located at solid It is different to determine the length of 62 lower section of pedestal, is in center in liquid so as to adjust 61 lower end of air tube so that the effect of nitrogen blowing is more preferable.
In use, it is often necessary to the fine position, it is necessary to by air tube 61 is operated to the test tube of different-diameter Nitrogen blowing is carried out at test tube axis center, obtains preferable effect, so as to which fixed pedestal 62 is slidably arranged in air tube disk 41 On.
Circumferencial direction on air tube disk 41 and parallel to being radially angularly uniformly provided with multiple sliding slots in kidney-shaped 412, fixed pedestal 62 is in the top of air tube disk 41, slips sleeve 621 and passes through sliding slot 412, and passes through the fixation group of setting Part 64 is to its flexible fastening.
Fixation kit 64 includes being set on sliding sleeve 621 and elasticity is connected to the holddown spring of 41 lower face of air tube disk 641st, it is set in sliding sleeve 621 and is connected to the gasket 642 of 641 lower end of holddown spring, in holddown spring 641 and gasket 642 Guard shield 643 that outside is provide with is threaded with hook knob 644 on sliding sleeve 52 and in 643 lower end of guard shield, So that holddown spring 641 can elasticity be pushed against 41 lower surface of air tube disk, by 62 flexible fastening of fixed pedestal, meanwhile, lead to Application external force is crossed, fixed pedestal 62 can be slided along sliding slot 412, adjustment fixed pedestal 62 is in the position in sliding slot 412 It puts, so that air tube 61 can be maintained at axial centre or adjust as needed to other positions.
As shown in figure 8, air distributing device 7 is used to carry out distribution to air tube 61, including the gas distribution plate being arranged on air tube disk 41 71st, the air inlet pipe 73 that is connected with gas distribution plate 71 and the appendix 72 that the gas in gas distribution plate 71 is transmitted to each air tube 61.
Gas distribution plate 71 is arranged on 41 upper surface of air tube disk and positioned at the center of air tube disk 41, is opened up at the center of gas distribution plate 71 There is mounting hole 711, internal thread is offered in mounting hole 711, thus will when stop sleeve 51 is threaded on air tube disk 41 Gas distribution plate 71 is fixed on air tube disk 41.
As shown in Figure 8 and Figure 9, annular groove 712 is offered close to axial one end of air tube disk 41 in gas distribution plate 71, annular Slot 712 forms interior protruding portion 713 close to the one side of mounting hole 711, and outer protruding portion 714 is formed in 712 outside of annular groove;In order to make The fixation obtained between gas distribution plate 71 and air tube disk 41 is more stablized, on internal projection 713 and outer protrusion portion 714 along the circumferential direction Multiple counterbores 7131 are offered, counterbore 7131 offers internal thread, when gas distribution plate 71 is mounted on air tube disk 41, by air tube 41 lower section of disk is threaded in through air tube disk 41 in counterbore 7131 by using bolt, and gas distribution plate 71 is reinforced.
Inner groove 715 is offered in annular groove 712 and radially to one end close to outer protrusion portion 714, in gas distribution plate It is radially opened up on 71 side wall there are one the air admission hole 716 for running through inner groove 715, air admission hole 716 is used to access nitrogen; Gas distribution plate 71 is uniformly provided with multiple air distribution holes 717 on one end away from air tube disk 41, wherein, air distribution hole 717 penetrates through inner groove 715;So as to be passed through nitrogen by air admission hole 716, nitrogen is evenly distributed by multiple air distribution holes 717.
As shown in Figure 9 and Figure 10, gas distribution plate 71 and air tube disk 41 in order to prevent(As shown in Figure 8)Between gas leakage, dash forward inside It plays the one side of portion 713 and outer protrusion portion 714 away from air distribution hole 717 and along the circumferential direction offers seal groove 7132, in seal groove Sealing ring 7133 is provided in 7132, is fixed on when by gas distribution plate 71 on air tube disk 41, two sealing rings 7133 are pushed against air tube On disk 41, annular groove 712 is sealed.
As shown in figure 8, one end of appendix 72 connects air distribution hole 717 by gas-tpe fitting 1, the other end passes through tracheae Regulating valve 722 connects 61 upper end of air tube, is supplied so as to fulfill to air tube 61, meanwhile, by tracheae regulating valve 722 to whether supplying It is controlled.
When in use, it can be freely rotated in order to facilitate sample mounting frame 4, nitrogen is accessed by lower section, so as to not influence sample The rotation of product mounting bracket 4.
As shown in figs, admission line 32 is offered in 3 inside of supporting rod, wherein, 3 lower end of supporting rod, which passes through, to be added Hot shell 21 and gas-guide tube 33 being connected in heating shell 21 lower end, gas-guide tube 33 is passed through by the side wall of pedestal 1, and in pedestal 1 Air inlet main valve 34 is provided on the gas-guide tube 33 in outside, so as to be used to connect to whether distribution controls, at air inlet main valve 34 The nitrogen that outside is equipped with.
The both ends of air inlet pipe 73 are all connected with gas-tpe fitting 2 731 so that 73 threaded one end of air inlet pipe is connected to supporting rod 3 Upper end, the other end are threaded on air admission hole 716.
It should be noted that in the joint of all tracheaes, then used if there is gas leakage or the mode being threadedly coupled Raw material band is wound processing, prevents gas leakage.
Intake process is:It is first turned on air inlet main valve 34 so that nitrogen enters gas-guide tube 33, successively by admission line 32nd, air inlet pipe 73 enters gas distribution plate 71, and different appendixs 72 is flowed to by air distribution hole 717 in gas distribution plate 71, by using Tracheae regulating valve 722 controls whether to supply air tube 61, it is achieved thereby that air tube 61 is separately controlled.
When in use, first, appropriate distilled water is added in water bath 11, and is heated to the energization of heating unit 2; Secondly, reagent is in vitro added in, test tube is fixed at card interface 1 and card interface 2 4231, and by using elasticity Lasso 4232 is fixed, and air tube 61 is adjusted according to the height of liquid level in the size of test tube and test tube so that at air tube 61 In in test tube and at the center of reagent.
Sample mounting frame 4 is set on supporting rod 3, by pressing the first positive stop key 531 so that test tube is in water bath In 11 and in appropriate height in distilled water, sample mounting frame 3 is fixed by the first positive stop key 531;The opening tracheae of selectivity Regulating valve 722 carries out blown work by air tube 61 to invisible spectro reagent.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model be subject to Patent Law.

Claims (10)

1. a kind of nitrogen evaporator with adjustable air tube, including pedestal(1), be arranged on the pedestal(1)On for being carried out to test tube The water bath of heating water bath(11), perpendicular to the water bath(11)Supporting rod(3), be arranged on the supporting rod(3)Upper use In the sample mounting frame of fixed test tube(4), be arranged on the sample mounting frame(4)Upper end is used to blow what is blown in test tube Device of air(6)And it is arranged on the sample mounting frame(4)On to the blowning installation(6)The air distributing device of distribution(7), It is characterized in:
The blowning installation(6)Including being vertically arranged in air tube(61), be arranged on sample mounting frame(4)It is upper and along supporting rod(3) It radially can be to close or separate supporting rod(3)The fixed pedestal of slip(62), wherein, the air tube(61)Vertical sliding is set It puts in the fixed pedestal(62)On, in fixed pedestal(62)On be provided with to the air tube(61)It vertically slides and carries out Fixed second elastic parts(63).
2. the nitrogen evaporator according to claim 1 with adjustable air tube, it is characterized in that:
The blowning installation(6)In sample mounting frame(4)Circumferencial direction be provided with it is multigroup.
3. the nitrogen evaporator according to claim 1 or 2 with adjustable air tube, it is characterized in that:
The fixed pedestal(62)It is provided in the axial direction with the spliced eye of perforation(622), the air tube(61)It slips in spliced eye (622)It is interior, the fixed pedestal(62)In offering on side wall and radially the second lock hole(623), second lock hole (623)Through spliced eye(622)And do not penetrate through fixed pedestal(62)Side wall;
Second locked component(63)Including being slidably arranged in the second lock hole(623)The second interior positive stop key(631)And One end is connected to the second lock hole(623)Bottom other end elasticity is connected to the second positive stop key(631)Second limit spring of end (632), wherein, the second positive stop key(631)On offer for through the air tube(61)The second kidney slot(6311).
4. the nitrogen evaporator according to claim 1 with adjustable air tube, it is characterized in that:
The sample mounting frame(4)Including being used to set the fixed pedestal(62)And air distributing device(7)Air tube disk(41), set It puts in air tube disk(41)Lower section is used to fix the rack for test tube of test tube(42)And by the air tube disk(41)And rack for test tube(42)Gu Surely the connecting rod connected(43), wherein, the air tube disk(41), rack for test tube(42)All it is set in the supporting rod(3)On.
5. the nitrogen evaporator according to claim 4 with adjustable air tube, it is characterized in that:
The air tube disk(41)Multiple sliding slots are angularly arranged at intervals on upper circumferencial direction(412), the sliding slot(412) In kidney-shaped and length direction is parallel to air tube disk(41)Radial direction;The fixed pedestal(62)Close to air tube disk(41)One End is fixed with sliding sleeve(621), the sliding sleeve(621)By air tube disk(41)Top is plugged on downwards sliding slot(412) It is interior, the sliding sleeve(621)It can be in sliding slot(412)Interior personal slip, in the sliding sleeve(621)Above and in air tube Disk(41)Lower section setting is flexible to be pushed against air tube disk(41)On fixation kit(64).
6. the nitrogen evaporator according to claim 5 with adjustable air tube, it is characterized in that:
The fixation kit(64)It is included in air tube disk(41)Lower section is set in sliding sleeve(621)It goes up and is connected to air tube disk (41)The holddown spring of lower surface(641)With in holddown spring(641)Lower end is threaded in sliding sleeve(621)On locking Knob(644).
7. the nitrogen evaporator according to claim 4 with adjustable air tube, it is characterized in that:
The air distributing device(7)Including being fixed at the air tube disk(41)On gas distribution plate(71)With gas distribution plate(71)Even It is logical and to the air tube(61)The appendix of distribution(72)And to the gas distribution plate(71)The air inlet pipe of supply(73).
8. the nitrogen evaporator according to claim 7 with adjustable air tube, it is characterized in that:
The gas distribution plate(71)It is set in the supporting rod(3)It goes up and is bolted and be arranged on the air tube disk(41)It is upper Surface, in the gas distribution plate(71)Close to the air tube disk(41)One side along the circumferential direction offer annular groove in a ring (712), the gas distribution plate(71)Circumference is to offering perforation annular groove(712)Air admission hole(716), the gas distribution plate(71) Away from air tube disk(41)One end offer perforation annular groove(712)Air distribution hole(717), wherein, air admission hole(716)Connection institute State air inlet pipe(72), air distribution hole(717)Connect the appendix(73).
9. the nitrogen evaporator according to claim 8 with adjustable air tube, it is characterized in that:
The gas distribution plate(71)Close to the air tube disk(41)One end and in annular groove(712)Both sides offer seal groove (7132), the seal groove(7132)Inside it is provided with sealing ring(7133).
10. the nitrogen evaporator according to claim 9 with adjustable air tube, it is characterized in that:
The appendix(72)Pass through tracheae regulating valve(722)An air tube is connected respectively(61).
CN201721347460.7U 2017-10-18 2017-10-18 A kind of nitrogen evaporator with adjustable air tube Expired - Fee Related CN207396175U (en)

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CN201721347460.7U CN207396175U (en) 2017-10-18 2017-10-18 A kind of nitrogen evaporator with adjustable air tube

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CN201721347460.7U CN207396175U (en) 2017-10-18 2017-10-18 A kind of nitrogen evaporator with adjustable air tube

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157327A (en) * 2020-01-16 2020-05-15 北京莱伯泰科仪器股份有限公司 Volume-variable spiral nitrogen blowing device
CN113252820A (en) * 2021-04-20 2021-08-13 品测(上海)检测科技有限公司 Method for detecting content of beta-carotene in grease and nitrogen blowing device
CN114247592A (en) * 2021-12-28 2022-03-29 朗玛科技(武汉)有限公司 Adjustable blowing nozzle structure of parallel nitrogen blowing concentrator and use method
CN115406786A (en) * 2022-10-31 2022-11-29 山东美晨工业集团有限公司 Quality detection device for automobile rubber pipeline
CN115993284A (en) * 2023-03-24 2023-04-21 成都圣恩生物科技股份有限公司 Nitrogen blowing instrument

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157327A (en) * 2020-01-16 2020-05-15 北京莱伯泰科仪器股份有限公司 Volume-variable spiral nitrogen blowing device
CN113252820A (en) * 2021-04-20 2021-08-13 品测(上海)检测科技有限公司 Method for detecting content of beta-carotene in grease and nitrogen blowing device
CN114247592A (en) * 2021-12-28 2022-03-29 朗玛科技(武汉)有限公司 Adjustable blowing nozzle structure of parallel nitrogen blowing concentrator and use method
CN115406786A (en) * 2022-10-31 2022-11-29 山东美晨工业集团有限公司 Quality detection device for automobile rubber pipeline
CN115406786B (en) * 2022-10-31 2023-01-31 山东美晨工业集团有限公司 Quality detection device for automobile rubber pipeline
CN115993284A (en) * 2023-03-24 2023-04-21 成都圣恩生物科技股份有限公司 Nitrogen blowing instrument

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Granted publication date: 20180522