CN204189766U - Overhead polar coordinates adjusting device - Google Patents
Overhead polar coordinates adjusting device Download PDFInfo
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- CN204189766U CN204189766U CN201420581803.6U CN201420581803U CN204189766U CN 204189766 U CN204189766 U CN 204189766U CN 201420581803 U CN201420581803 U CN 201420581803U CN 204189766 U CN204189766 U CN 204189766U
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Abstract
The utility model discloses a kind of overhead polar coordinates adjusting device, comprises mounting interface, Y-direction translational adjustment module, Z-direction translational adjustment module, A shaft angle degree adjustment module, ion source shower nozzle, Complex interface, the automatic adjustment module of sample introduction Z-direction, sample introduction X to auto-feed module and sample introduction Y-direction manual adjustments module.This device can regulate the Z-direction distance a of the angle [alpha] of ion source shower nozzle and mass spectrometer injection port, ion source shower nozzle and mass spectrometer injection port by accurate quantification
1, ion source shower nozzle and mass spectrometer injection port Y-direction distance b
1, sample stage and mass spectrometer injection port Z-direction distance a
2, sample stage and mass spectrometer injection port Y-direction distance b
2.This device is applicable to study and distribute rationally ion source shower nozzle, space position parameter between sample stage and mass spectrometer injection port and the relation of signal strength signal intensity, is specially adapted to rapid batch detection solid sample and carries out mass spectrum imaging to the sample of continuous distribution.
Description
Technical field
The utility model relates to a kind of overhead polar coordinates manual regulating device, particularly a kind of adjusting device being applied in surface desorption atmospheric chemical ionization source, utilizes this device can distribute special parameter in surface desorption atmospheric chemical ionization mass spectrum technology rationally.
Background technology
Surface desorption atmospheric chemical ionization (Desorption Atmospheric Pressure Chemical Ionization, DAPCI) mass spectrum (Mass Spectrum, MS) technology, successfully be applied to the numerous areas such as food medical and health, national defense safety, public safety and mass spectrum imaging, also have important application prospect in fields such as space flight and aviation, environmental monitoring, catalytic chemistry, organic syntheses.
Surface desorption atmospheric chemical ionization (DAPCI) technology produces primary ion as energy charge carrier using normal-pressure electric corona, carries out energy charge transmission, realize the effectively ionized of surface of solids molecule by gas-solid-gas or liquid-solid-gas three-phase.In experiment, can the character etc. of form per sample and determinand each parameter of DAPCI be adjusted, to reach best Detection results.
Research shows, ion source shower nozzle, space position parameter between sample stage and mass spectrometer injection port, as the Z-direction distance a of the angle [alpha] of ion source shower nozzle and mass spectrometer injection port, ion source shower nozzle and mass spectrometer injection port
1, ion source shower nozzle and mass spectrometer injection port Y-direction distance b
1, sample stage and mass spectrometer injection port Z-direction distance a
2, sample stage and mass spectrometer injection port Y-direction distance b
2five parameters (as shown in Figure 1) have significant impact to mass spectral analysis signal strength signal intensity.But, current existing apparatus generally by straight line adjustment module and angular adjustment module assembled, integrated level is low, poor stability, and precision is not high, operation inconvenience; And device used in laboratory is generally simply coupled to form by the shower nozzle etc. that support stick, universal bridge, stainless steel tee pipe coupling are assembled, solvent channel shower nozzle, space position parameter between sample stage and mass spectrometer injection port cannot be described accurate quantification, and structure is restricted, stability is not high, seriously limits the development of DAPCI-MS technology.
Utility model content
The problems such as existing apparatus integrated level is low in order to overcome, poor stability, precision are not high, operation inconvenience, the utility model spy provide a kind of overhead polar coordinates manual regulating device for surface desorption atmospheric chemical ionization source.
The utility model solves the technical scheme that its technical problem adopts: a kind of overhead polar coordinates adjusting device for surface desorption atmospheric chemical ionization source, comprise the mounting interface 1 be connected with mass spectrometer injection port, in the upper front end of described mounting interface 1, Y-direction translational adjustment module 2 is installed, at the end of described Y-direction translational adjustment module 2, Z-direction translational adjustment module 3 is installed, the A shaft angle degree adjustment module 4 that can rotate around X-axis is installed at the end of described Z-direction translational adjustment module 3, at the end of described A shaft angle degree adjustment module 4, ion source shower nozzle 5 is installed, on the positive top of described mounting interface 1, the Complex interface 6 for being electrically connected is installed, at the front lower portion of described mounting interface 1, the automatic adjustment module 7 of sample introduction Z-direction is installed, directly over the automatic adjustment module 7 of described sample introduction Z-direction, sample introduction X is installed to auto-feed module 8, to auto-feed module 8 rear, sample introduction Y-direction manual adjustments module 9 is installed at described sample introduction X, above described sample introduction Y-direction manual adjustments module 9, sample introduction sample dish 910 is installed,
Described X moves left and right direction to the level of referring to, Y-direction refers to and vertically moves up and down direction, Z-direction refers to that described A axle refers to pivot axis in X direction along mass spectrometer injection port axis moving direction, the central shaft of the rotating parts of the plane orthogonal namely formed with described Y-direction, Z-direction axis.
Described Y-direction translational adjustment module 2 is positioned at described mounting interface 1 upper front end, comprise Y-direction mounting panel 21, Y-direction slide 22, Y-direction guide rail 23, Y-direction differential crown end seat 24, Y-direction differential head mount pad 25, Y-direction differential head 26, Y-direction extension spring 27, Y-direction locking screw head 28, with Y-direction stay 29, described Y-direction mounting panel 21 is connected with described mounting interface 1, described Y-direction slide 22 is connected with described Y-direction mounting panel 21 by described Y-direction guide rail 23, described Y-direction differential crown end seat 24 is fixed on the side of described Y-direction slide 22, described Y-direction differential head mount pad 25 has through hole, be fixed on the homonymy with described Y-direction differential crown end seat 24 on described Y-direction mounting panel, described Y-direction differential head 26 inserts the through hole on described Y-direction differential head mount pad 25, be fixed on described Y-direction differential head mount pad 25, top connects with described Y-direction differential crown end seat 24, described Y-direction extension spring 27 elasticity connects described Y-direction slide 22 and described Y-direction mounting panel 21, described Y-direction locking screw head 28 is through the through hole on described Y-direction stay 29, be screwed into described Y-direction mounting panel 21.
Described Z-direction translational adjustment module 3 is positioned at the top of described Y-direction slide 22, comprise Z-direction slide block 31, Z-direction guide rail 32, Z-direction differential head mount pad 33, Z-direction differential crown end seat 34, Z-direction differential head 35, Z-direction locking screw head 36, Z-direction stay 37 and Z-direction extension spring 39, described Z-direction slide block 31 is connected with described Y-direction slide 22 by described Z-direction guide rail 32, described Z-direction differential head mount pad 33 has through hole, be fixed on the side of described Z-direction slide block 31, described Z-direction differential crown end seat 34 is fixed on the homonymy with described Z-direction differential head mount pad 33 on described Y-direction slide 22, described Z-direction differential head 35 inserts the through hole on described Z-direction differential head mount pad 33, be fixed on described Z-direction differential head mount pad 33, top connects with described Z-direction differential crown end seat 34, described Z-direction extension spring 39 elasticity connects described Y-direction slide 22 and described Z-direction slide block 31, described Z-direction locking screw head 36 is through the through hole on described Z-direction stay 37, be screwed into slide 22 described in Y-direction.
Described A shaft angle degree adjustment module 4 is positioned on described Z-direction slide block 31, comprise arc-shaped guide rail 41, inner ring slide block 42, outer shroud slide block 43, slider locking spiral shell head 44, nozzle mounting seat 45, shower nozzle locking screw head 46 and catch 47, the tail end of described arc-shaped guide rail 41 is fixed on described Z-direction slide block 31, described inner ring slide block 42 is fixedly connected with described outer shroud slide block 43, and cooperatively interact with described outer shroud slide block 43 shape, form the closed inside groove coordinated with described arc-shaped guide rail 41 radial section, surround described arc-shaped guide rail 41, described slider locking spiral shell head 44 is screwed into screw reserved on described outer shroud slide block 43, described nozzle mounting seat 45 has through hole, be fixed on the side of described inner ring slide block 42, described shower nozzle locking screw head 46 is screwed in screw reserved on described nozzle mounting seat 45, described catch 47 is fixed on the head end of described arc-shaped guide rail 41.
The automatic adjustment module 7 of described sample introduction Z-direction comprises sample introduction Z-direction polished rod mount pad 71, sample introduction Z-direction polished rod 74, sample introduction Z-direction slide unit 75, sample introduction Z-direction motor cabinet 76 and sample introduction Z-direction linear electric motors 77, described sample introduction Z-direction polished rod mount pad 71 is fixed on the front lower portion of described mounting interface 1, there is the installing hole installing described Z-direction polished rod 74, described Z-direction polished rod 74 one end is fixed in the installing hole of described Z-direction polished rod mount pad 71, the other end is through the through hole in described sample introduction Z-direction slide unit 75, be fixed in the installing hole on described sample introduction Z-direction motor cabinet 76, described sample introduction Z-direction linear electric motors 77 are arranged on described sample introduction Z-direction motor cabinet 76, the nut of described sample introduction Z-direction linear electric motors 77 is fixed in the interstitial hole on described sample introduction Z-direction slide unit 75, leading screw is by the interstitial hole of described Z-direction motor cabinet 76, in the nut of linear electric motors 77 described in precession.
Described sample introduction X comprises feeding X to polished rod mount pad 83 to auto-feed module 8, feeding X is to slide unit 86, feeding X is to polished rod 87, feeding X is to motor cabinet 88 and feeding X to linear electric motors 89, described feeding X is fixed on the opposite end of described sample introduction Z-direction slide unit 75 to polished rod mount pad 83 and described feeding X to motor cabinet 88, described feeding X passes feeding X to the through hole in slide unit to polished rod 87, two ends are separately fixed at X to polished rod mount pad 83 and feeding X on motor cabinet 88, described feeding X is arranged on the outside of feeding X to motor cabinet 88 to linear electric motors 89, X is fixed on feeding X in the interstitial hole of slide unit 86 to the nut of motor cabinet 88, feeding X passes through the interstitial hole of feeding X to motor cabinet 88 to the leading screw of linear electric motors 89, be inserted into X to polished rod mount pad 83.
Described sample introduction Y-direction manual adjustments module 9 comprises sample introduction Y-direction holder 91, sample introduction Y-direction guide rail 92, sample introduction Y-direction slide block 93, sample introduction Y-direction differential crown end seat 94, sample introduction Y-direction stay 95, sample introduction Y-direction differential head mount pad 96, sample introduction Y-direction differential head 97, sample introduction Y-direction locking screw head 98, T-shaped platform 99, sample introduction sample dish 910, sample introduction Y-direction extension spring 919, described sample introduction Y-direction holder 91 is fixed on feeding X on rear side of slide unit 86, described sample introduction Y-direction holder 91 is connected by sample introduction Y-direction guide rail 92 with between sample introduction Y-direction slide block 93, described sample introduction Y-direction extension spring 919 elasticity connects sample introduction Y-direction holder 91 and sample introduction Y-direction slide block 93, described sample introduction Y-direction differential crown end seat 94 is fixed on the side of sample introduction Y-direction holder 91, described sample introduction Y-direction differential head mount pad 96 has through hole, be fixed on the homonymy with sample introduction Y-direction differential crown end seat 94 on sample introduction Y-direction slide block 93, described sample introduction Y-direction differential head 97 inserts the through hole of sample introduction Y-direction differential head mount pad 96, be fixed on sample introduction Y-direction differential head mount pad 96, top connects with sample introduction Y-direction differential crown end seat 94, described sample introduction Y-direction stay 95 has through hole, be fixed on side relative with sample introduction Y-direction differential crown end seat 94 on sample introduction Y-direction holder 91, described sample introduction Y-direction locking screw head 98 is through the through hole on sample introduction Y-direction stay 95, be screwed into sample introduction Y-direction slide block 93, described T-shaped platform 99 top has a T-slot structure, described sample introduction sample dish 910 bottom has a T-shaped bulge-structure matched with T-shaped platform 99, can be inserted in the T-slot of described T-shaped platform 99, sample introduction sample dish 910 have six Baltimore grooves for placing sample to be analyzed.
Described sample introduction sample dish 910 is substituted by scanning imagery sample disc 918, described scanning imagery sample disc 918 is a planar structure, described scanning imagery sample disc 918 bottom has a T-shaped bulge-structure matched with T-shaped platform 99, be inserted in the T-slot of described T-shaped platform 99, analytic sample is placed on dish, to feed scanning imagery continuously.
Described ion source shower nozzle 5 comprises spray point 51, overcoat 52, spray point spiral shell head 53, electrode 54, electrode spiral shell head 55, high-voltage conducting wires 56, air inlet pipe 57, air inlet pipe spiral shell head 58, the head of spray point 51 penetrates from the afterbody screwed hole of centre of overcoat 52, until expose certain distance at the head of overcoat, the afterbody of spray point 51 packs into 53 li, spray point spiral shell head, tighten spray point spiral shell head 53, to be formed the sealing of spray point and fixing; High-voltage conducting wires 56 passes from the endoporus of electrode spiral shell head 55, and the endoporus of electrode 54 afterbody is inserted and firm welding in front end, and the other end of tension high-voltage conducting wires 56, makes electrode 54 enter in the endoporus of electrode spiral shell head 55; Electrode spiral shell head 55 is screwed into from the afterbody of spray point spiral shell head 53 and makes electrode 54 be attached to the tail end face of spray point 51, is added on spray point 51 by electrode 54 by high pressure; The afterbody side screwed hole that air inlet pipe 57 is inserted into overcoat 52 is interior until on earth, is screwed into air inlet pipe spiral shell head and tightens seal and fix in the afterbody side screwed hole of overcoat 52.
The beneficial effects of the utility model are: this device can regulate the Z-direction distance a of the angle [alpha] of ion source shower nozzle and mass spectrometer injection port, ion source shower nozzle and mass spectrometer injection port by accurate quantification
1, ion source shower nozzle and mass spectrometer injection port Y-direction distance b
1, sample stage and mass spectrometer injection port Z-direction distance a
2, sample stage and mass spectrometer injection port Y-direction distance b
2five parameters, are applicable to the relation studying these parameters and signal strength signal intensity, and can carry out continuous feed detection and scanning imagery detection to sample, and compact in design, with low cost, easy to use, stability is high.(1) the ion source governor motion of this device is the three-dimensional cascaded structure of " rectilinear translation+rectilinear translation+angle rotates ", sample stage is the three-dimensional cascaded structure of " rectilinear translation+rectilinear translation+rectilinear translation ", can regulate the Z-direction distance a of the angle [alpha] of ion source shower nozzle and mass spectrometer injection port, ion source shower nozzle and mass spectrometer injection port by accurate quantification
1, ion source shower nozzle and mass spectrometer injection port Y-direction distance b
1, sample stage and mass spectrometer injection port Z-direction distance a
2, sample stage and mass spectrometer injection port Y-direction distance b
2five parameters, are applicable to the relation studying these parameters and signal strength signal intensity, and can carry out continuous feed detection and scanning imagery detection to sample.(2) the ion source governor motion of this device have employed the structure of overhead, three modules being used for the adjustment of ion source locus are placed in the upper front of mass spectrometer injection port, avoid centre offset problem when governor motion is positioned at left and right side orientation, it also avoid when governor motion is positioned at lower orientation and problem that sampling device is interfered, this structure remains wide space to the inferoanterior of mass spectrometer injection port, for the design of sample introduction module and layout provide abundant and play leeway flexibly, make flexibly more convenient to operate.(3) the ion source governor motion of this device adopts three-dimensional cascaded structure, and other dimension precision ensure by machining accuracy and installation accuracy, compact in design, is easy to realize miniaturization.(4) in the apparatus, ionogenic angular adjustment adopts an arc-shaped guide rail secondary, ion source is in angular adjustment process, the most advanced and sophisticated center of circle being in arc-shaped guide rail all the time, straight-line displacement can not be produced, thus the bit shift compensation not needing straight line adjustment module extra, effectively reduce the scope of straight-line displacement, be easy to that this device is realized miniaturized.(5) this ion source shower nozzle volume is little, compact conformation, and main external parts (air inlet and the parts added high pressure) are all positioned at matrix afterbody, and tapered configuration good airproof performance, easy to use, be specially adapted to DAPCI ion source, be specially adapted to small-sized direct mass spectral analysis.(6) in this device, the adjustment of sample stage have an X to the automatic adjustment module of sample introduction, for continuous sample introduction, the multiple sample of clamped one time can be realized and detect continuously, mass spectrum imaging can also be carried out to the sample of some continuous distribution, effectively improve detection efficiency.(7) in this device, be provided with the T-shaped platform part that has T-slot structure, sample disc all makes the structure with T-shaped projection, when placing sample, directly the T-shaped boss of sample disc is injected in the T-slot of T-shaped platform, T-shaped platform generally uses resilient nonmetallic material, the distortion of material itself both can have been utilized to reach the object of locking sample disc, can realize again the insulating requirements of sample disc and other parts.(8) because main member structure is uncomplicated, producting process difficulty is little, and related accessory is easily purchased by market, and thus cost is lower.
Accompanying drawing explanation
Fig. 1 is in surface desorption atmospheric chemical ionization source apparatus, ion source, location diagram between sample stage and mass spectrometer injection port.
Fig. 2 is general structure axonometric drawing of the present utility model.
Fig. 3 is the blast axonometric drawing of all modules of the present utility model.
Fig. 4 is the blast axonometric drawing of mounting interface.
Fig. 5 is the blast axonometric drawing of Y-direction adjustment module.
Fig. 6 is the blast axonometric drawing of Z-direction adjustment module.
Fig. 7 is the blast axonometric drawing of A axle adjustment module.
Fig. 8 is general structure axonometric drawing, the structure cutaway view of DAPCI ion source shower nozzle.
Fig. 9 is the general structure axonometric drawing of Complex interface.
Figure 10 is the blast axonometric drawing of the automatic adjustment module of sample introduction Z-direction.
Figure 11 is the blast axonometric drawing of sample introduction X to auto-feed module.
Figure 12 is the blast axonometric drawing of sample introduction Y-direction manual adjustments module.
Figure 13 is the general structure axonometric drawing installing front end.
Figure 14 is the general structure axonometric drawing of wear-resistant sleeve.
Figure 15 is the general structure axonometric drawing of rotating shaft.
Figure 16 is the general structure axonometric drawing of left spanner.
Figure 17 is the general structure axonometric drawing of right spanner.
Figure 18 is the general structure axonometric drawing of Y-direction mounting panel.
Figure 19 is the general structure axonometric drawing of Y-direction slide.
Figure 20 is the general structure axonometric drawing of Y-direction guide rail.
Figure 21 is the general structure axonometric drawing of Y-direction differential crown end seat.
Figure 22 is the general structure axonometric drawing of Y-direction differential head mount pad.
Figure 23 is the general structure axonometric drawing of Y-direction differential head.
Figure 24 is the general structure axonometric drawing of Y-direction extension spring.
Figure 25 is the general structure axonometric drawing of Y-direction locking screw head.
Figure 26 is the general structure axonometric drawing of Y-direction stay.
Figure 27 is the general structure axonometric drawing of Y-direction ruler.
Figure 28 is the general structure axonometric drawing of Z-direction slide block.
Figure 29 is the general structure axonometric drawing of Z-direction guide rail.
Figure 30 is the general structure axonometric drawing of Z-direction differential head mount pad.
Figure 31 is the general structure axonometric drawing of Z-direction differential crown end seat.
Figure 32 is the general structure axonometric drawing of Z-direction differential head.
Figure 33 is the general structure axonometric drawing of Z-direction locking screw head.
Figure 34 is the general structure axonometric drawing of Z-direction stay.
Figure 35 is the general structure axonometric drawing of Z-direction ruler.
Figure 36 is the general structure axonometric drawing of Z-direction extension spring.
Figure 37 is the general structure axonometric drawing of arc-shaped guide rail.
Figure 38 is the general structure axonometric drawing of inner ring slide block.
Figure 39 is the general structure axonometric drawing of outer shroud slide block.
Figure 40 is the general structure axonometric drawing of slider locking spiral shell head.
Figure 41 is the general structure axonometric drawing of nozzle mounting seat.
Figure 42 is the general structure axonometric drawing of shower nozzle locking screw head.
Figure 43 is the general structure axonometric drawing of catch.
Figure 44 is the general structure axonometric drawing of sample introduction Z-direction polished rod mount pad.
Figure 45 is the general structure axonometric drawing of jump ring in sample introduction Z-direction.
Figure 46 is the general structure axonometric drawing of sample introduction Z-direction linear bearing.
Figure 47 is the general structure axonometric drawing of sample introduction Z-direction polished rod.
Figure 48 is the general structure axonometric drawing of sample introduction Z-direction slide unit.
Figure 49 is the general structure axonometric drawing of sample introduction Z-direction motor cabinet.
Figure 50 is the general structure axonometric drawing of sample introduction Z-direction linear electric motors.
Figure 51 is the general structure axonometric drawing of end cap.
Figure 52 is the general structure axonometric drawing of ball bearing.
Figure 53 is the general structure axonometric drawing of feeding X to polished rod mount pad.
Figure 54 is the general structure axonometric drawing of the inside jump ring of feeding X.
Figure 55 is the general structure axonometric drawing of feeding X to linear bearing.
Figure 56 is the general structure axonometric drawing of feeding X to slide unit.
Figure 57 is the general structure axonometric drawing of feeding X to polished rod.
Figure 58 is the general structure axonometric drawing of feeding X to motor cabinet.
Figure 59 is the general structure axonometric drawing of feeding X to linear electric motors.
Figure 60 is the general structure axonometric drawing of sample introduction Y-direction holder.
Figure 61 is the general structure axonometric drawing of sample introduction Y-direction guide rail.
Figure 62 is the general structure axonometric drawing of sample introduction Y-direction slide block.
Figure 63 is the general structure axonometric drawing of sample introduction Y-direction differential crown end seat.
Figure 64 is the general structure axonometric drawing of sample introduction Y-direction stay.
Figure 65 is the general structure axonometric drawing of sample introduction Y-direction differential head mount pad.
Figure 66 is the general structure axonometric drawing of sample introduction Y-direction differential head.
Figure 67 is the general structure axonometric drawing of sample introduction Y-direction locking screw head.
Figure 68 is the general structure axonometric drawing of T-shaped platform.
Figure 69 is the general structure axonometric drawing of sample introduction sample dish.
Figure 70 is the general structure axonometric drawing of scanning imagery sample disc.
Figure 71 is the general structure axonometric drawing of sample introduction Y-direction extension spring.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, the device of 26S Proteasome Structure and Function identical in figure marks with identical Reference numeral, and accompanying drawing just explains the utility model for helping, and does not represent the restriction of the utility model scope, meanwhile, accompanying drawing also draws not in scale.
As shown in Figure 2,3, this device is made up of to auto-feed module 8, sample introduction Y-direction manual adjustments module 9 mounting interface 1, Y-direction translational adjustment module 2, Z-direction translational adjustment module 3, A shaft angle degree adjustment module 4, ion source shower nozzle 5, Complex interface 6, the automatic adjustment module 7 of sample introduction Z-direction, sample introduction X.This device is connected on mass spectrometer injection port 10 by mounting interface 1, device is positioned at the dead ahead of mass spectrometer injection port 10, Y-direction translational adjustment module 2, Z-direction translational adjustment module 3, A shaft angle degree adjustment module 4, ion source shower nozzle 5 is sequentially connected in series, Y-direction translational adjustment module 2 is arranged on the upper front of mounting interface 1, Complex interface 6 is arranged on directly over mounting interface 1, the automatic adjustment module 7 of sample introduction Z-direction, sample introduction X is to auto-feed module 8, sample introduction Y-direction manual adjustments module 9 is sequentially connected in series, the automatic adjustment module 7 of sample introduction Z-direction is arranged on the inferoanterior of mounting interface 1.
As shown in Fig. 4,13,14,15,16,17, mounting interface 1 is made up of installation front end 11, wear-resistant sleeve 12, rotating shaft 13, left spanner 14, right spanner 15.Wherein, mounting interface 1 is symmetrical structure, wear-resistant sleeve 12 is all two with the quantity of rotating shaft 13, the periphery 121 of wear-resistant sleeve 12 is enclosed within the blind hole 111 of mounting interface 1, periphery 131 inserts in blind hole 114, in screwed hole 133, be screwed into a holding screw after being inserted into the end carries out spacing, the inner headed face 141 of left spanner 14 is enclosed within periphery 134, then in screwed hole 142, a holding screw is screwed into, holding screw withstands in blind hole 135, realize the connection of rotating shaft 13 and left spanner 14, rotating shaft 13 is the same with the method for attachment of right spanner 15.When using this device, the inner headed face 122 of wear-resistant sleeve 12 is enclosed within two bearing pins below mass spectrometer injection port 10, pulls left spanner 14 and right spanner 15 respectively to interior after being inserted into the end, this device can be fixed on mass spectrometer injection port 10.
As shown in Fig. 5,18,19,20,21,22,23,24,25,26,27, Y-direction translational adjustment module 2 is made up of Y-direction mounting panel 21, Y-direction slide 22, Y-direction guide rail 23, Y-direction differential crown end seat 24, Y-direction differential head mount pad 25, Y-direction differential head 26, Y-direction extension spring 27, Y-direction locking screw head 28, Y-direction stay 29, Y-direction ruler 210.Wherein, by screw, screwed hole 212 is connected with counter sink 116, namely Y-direction mounting panel 21 is arranged on installs on front end 11, the fixed block screwed hole 231 of Y-direction guide rail 23 is connected by screw on the counter sink 213 of Y-direction mounting panel 21, the sliding shoe screwed hole 232 of Y-direction guide rail 23 is connected by screw on the counter sink 221 of Y-direction slide 22, the relative translation motion between Y-direction mounting panel 21 and Y-direction slide 22 can be realized, simultaneously screwed hole 215 and Y-direction slide 22 screwed hole 222 of Y-direction mounting panel 21 are connected drag hook 271 and the drag hook 272 of Y-direction extension spring 27 respectively with screw, the through hole 241 of Y-direction differential crown end seat 24 is fixed by screws on the screwed hole 226 of Y-direction slide 22, the through hole 251 of Y-direction differential head mount pad 25 is fixed by screws on the through hole 217 of Y-direction mounting panel 21, Y-direction differential head 26 is inserted in the through hole 252 of Y-direction differential head mount pad 25, and in screwed hole 253, use holding screw to fix, round end 263 withstands on Y-direction differential crown end seat 24 simultaneously, when rotating forward swing handle 261, round end 263 moves upward, drive Y-direction slide 22 to move upward simultaneously, when reverse rotation swing handle 261, round end 263 moves downward, Y-direction slide 22 is at the pulling force moved downward of Y-direction extension spring 27, Y-direction locking screw head 28 is screwed in the screwed hole 214 of Y-direction mounting panel 21, Y-direction stay 29 is fixed by screws in the screwed hole 227 of Y-direction slide 22, Y-direction ruler 210 is fixed by screws in the screwed hole 218 of Y-direction mounting panel 21, tightening Y-direction locking screw head 28 is just pressed in Y-direction stay 29 on Y-direction mounting panel 21 tightly, realize the motion locking between Y-direction mounting panel 21 and Y-direction slide 22, the scale 2102 of graduation indication pin 293 correspondence on Y-direction ruler 210 simultaneously on Y-direction stay 29, indicate the Y-direction distance b of current ion source shower nozzle and mass spectrometer injection port
1.
As shown in Fig. 6,28,29,30,31,32,33,34,35,36, Z-direction translational adjustment module 3 is made up of Y-direction slide 22, Z-direction slide block 31, Z-direction guide rail 32, Z-direction differential head mount pad 33, Z-direction differential crown end seat 34, Z-direction differential head 35, Z-direction locking screw head 36, Z-direction stay 37, Z-direction ruler 38, Z-direction extension spring group 39.Wherein, Y-direction slide 22 is the common parts of Y-direction translational adjustment module and Z-direction translational adjustment module, the fixed block screwed hole 321 of Z-direction guide rail 32 is connected by screw on the counter sink 223 of Y-direction slide 22, the sliding shoe screwed hole 322 of Z-direction guide rail 32 is connected by screw on the counter sink 311 of Z-direction slide block 31, the relative translation motion between Y-direction slide 22 and Z-direction slide block 31 can be realized, simultaneously screwed hole 228 and Z-direction slide block 31 screwed hole 316 of Y-direction slide 22 are connected drag hook 391 and the drag hook 392 of Z-direction extension spring 39 respectively with screw, the through hole 341 of Z-direction differential crown end seat 34 is fixed by screws on the screwed hole 229 of Y-direction slide 22, the through hole 331 of Z-direction differential head mount pad 33 is fixed by screws on the through hole 312 of Z-direction slide block 31, Z-direction differential head 35 is inserted in the through hole 333 of Z-direction differential head mount pad 33, and in screwed hole 332, use holding screw to fix, round end 353 withstands on Z-direction differential crown end seat 34 simultaneously, when rotating forward swing handle 351, round end 353 moves backward, drive Z-direction slide block 31 to travel forward simultaneously, when reverse rotation swing handle 351, round end 353 travels forward, Z-direction slide block 31 moves backward under the pulling force effect of Z-direction extension spring 39, Z-direction locking screw head 36 is screwed in the screwed hole 2211 of Y-direction slide 22, Z-direction stay 37 is fixed by screws in the screwed hole 313 of Z-direction slide block 31, Z-direction ruler 38 is fixed by screws in the screwed hole 225 of Y-direction slide 22, tightening Z-direction locking screw head 36 is just pressed in Z-direction stay 37 on Y-direction slide 22 tightly, realize the motion locking between Z-direction slide block 31 and Y-direction slide 22, on the scale 382 of graduation indication pin 373 correspondence simultaneously on Z-direction stay 37 on Z-direction ruler 38, indicate the Z-direction distance a of current ion source shower nozzle and mass spectrometer injection port 10
1.
As shown in Fig. 7,37,38,39,40,41,42,43, A shaft angle degree adjustment module 4 is made up of arc-shaped guide rail 41, inner ring slide block 42, outer shroud slide block 43, slider locking spiral shell head 44, nozzle mounting seat 45, shower nozzle locking screw head 46, catch 47.Wherein, the threads hole 411 of arc-shaped guide rail 41 is connected by screw the screwed hole 314 of Z-direction slide block 31, and be limited in location notch 315, the cone head hole 431 of outer shroud slide block 43 is connected by screw on the screwed hole 421 of inner ring slide block 42, slider locking spiral shell head 44 is screwed in the neutral threaded hole 432 of outer shroud slide block 43, when tightening, the round end 443 of slider locking spiral shell head 44 holds out against groove 412, can locking inner ring slide block 42, outer shroud slide block 43 and arc-shaped guide rail 41, back-out slider locking spiral shell head 44 time, inner ring slide block 42 slides on arc-shaped guide rail 41 with the closed inside groove of the formation of outer shroud slide block 43, the head threads hole 414 of arc-shaped guide rail 41 is connected with catch 47 by screw, ensure that inner ring slide block 42 and outer shroud slide block 43 can not run off arc-shaped guide rail 41, nozzle mounting seat 45 is arranged on inner ring slide block 42 by screw, the head of nozzle mounting seat 45 has a bathtub construction 455, shower nozzle locking screw head 46 is screwed in the head side counter sink 454 of nozzle mounting seat 45, ion source shower nozzle 5 inserts in the head through hole 453 of nozzle mounting seat 45, when tightening shower nozzle locking screw head 46, due to the self-deformation effect of nozzle mounting seat 45, ion source can be sprayed 5 head clampings on nozzle mounting seat 45, back-out slider locking spiral shell head 44 time, ion source shower nozzle 5 and nozzle mounting seat 45, inner ring slide block 42, outer shroud slide block 43 slides together on arc-shaped guide rail 41, the i.e. angle [alpha] of adjustable ion source shower nozzle 5 and mass spectrometer injection port 10.
As shown in Figure 8, ion source shower nozzle 5 comprises spray point 51, overcoat 52, spray point spiral shell head 53, electrode 54, electrode spiral shell head 55, high-voltage conducting wires 56, air inlet pipe 57, air inlet pipe spiral shell head 58.The head of spray point 51 penetrates from the afterbody screwed hole of centre of overcoat 52, until expose certain distance at the head of overcoat 52.The afterbody of spray point 51 packs into 53 li, spray point spiral shell head, tightens spray point spiral shell head 53, is formed the sealing of spray point 51 and fixing.High-voltage conducting wires 56 passes from the endoporus of electrode spiral shell head 55, and the afterbody endoporus of electrode 54 is inserted and firm welding in front end, and the other end of tension high-voltage conducting wires 56, makes electrode 54 enter in the endoporus of electrode spiral shell head 55.The afterbody of electrode spiral shell head 55 from spray point spiral shell head 53 is screwed into, makes electrode 54 be attached on the tail end face of spray point 51, when high-voltage conducting wires 56 adds high pressure, by electrode 54, high pressure is added on spray point 51.Air inlet pipe 57 is inserted in the afterbody side screwed hole of overcoat 52, until on earth, then in the afterbody side screwed hole of overcoat 52, is screwed into air inlet pipe spiral shell head 58, tightens and seal and fix.During work, high-voltage conducting wires 56 adds high pressure, so spray point 51 also adds high pressure, thus form high local fields near the head of spray point 51.Meanwhile, high-purity nitrogen N
2pass into from air inlet pipe 57, and by gap between overcoat 52 endoporus and spray point 51, spray from the head endoporus of overcoat 52 and the gap of the head of spray point 51, formation primary ion, as water radical cation.
As shown in Fig. 2,3,9, Complex interface 6 is connected with the screwed hole 115 installing front end 11 by the screw hole 61 of both sides, bottom, realizes the electrical couplings with mass spectrometer injection port 10.
As shown in Figure 10,44,45,46,47,48,49,50, the automatic adjustment module 7 of sample introduction Z-direction comprises jump ring 72, sample introduction Z-direction linear bearing 73, sample introduction Z-direction polished rod 74, sample introduction Z-direction slide unit 75, sample introduction Z-direction motor cabinet 76, sample introduction Z-direction linear electric motors 77 in sample introduction Z-direction polished rod mount pad 71, sample introduction Z-direction.The screwed hole 711 of sample introduction Z-direction polished rod mount pad 71 is connected by screw to be held on the counter sink 113 of 11 in a pre-installation, the rear end of sample introduction Z-direction polished rod 74 is inserted in the through hole 712 of sample introduction Z-direction polished rod mount pad 71, and holding screw is screwed in screwed hole 713, hold out against locking slot 743 with fixing sample introduction Z-direction polished rod 74, sample introduction Z-direction linear axes bearing sleeve 73 is enclosed within sample introduction Z-direction polished rod 74 external cylindrical surface 741, and can slide along sample introduction Z-direction polished rod 74, sample introduction Z-direction linear bearing 73 is contained in the both sides endoporus 753 of sample introduction Z-direction slide unit 75, and jump ring 72 in sample introduction Z-direction is contained in inner card cage 754, sample introduction Z-direction linear bearing 73 is fixed, the front end of sample introduction Z-direction polished rod 74 is inserted in the both sides blind hole 764 of sample introduction Z-direction motor cabinet 76, and holding screw is screwed in screwed hole 763, hold out against locking slot 742 with fixing sample introduction Z-direction polished rod 74, sample introduction Z-direction linear electric motors 77 are arranged in the interstitial hole 762 of sample introduction Z-direction motor cabinet 76, and make to be screwed by through hole 761, the nut 773 of sample introduction Z-direction linear electric motors 77 is fixed in the interstitial hole 751 of sample introduction Z-direction slide unit 75, and make to be screwed by screwed hole 752, when sample introduction Z-direction linear electric motors 77 rotate, drive sample introduction Z-direction slide unit 75 anterior-posterior translation on sample introduction Z-direction polished rod 74, regulate the Z-direction distance a of sample stage 9 and mass spectrometer injection port 10
2.
As shown in Figure 11,51,52,53,54,55,56,57,58,59, sample introduction X comprises end cap 81, ball bearing 82, feeding X to polished rod mount pad 83, the inside jump ring 84 of feeding X, feeding X to linear bearing 85, feeding X to slide unit 86, feeding X to polished rod 87, feeding X to motor cabinet 88, feeding X to linear electric motors 89 to auto-feed module 8.Feeding X is connected by screw on the screwed hole 755 of sample introduction Z-direction slide unit 75 to counter sink 831 and the feeding X of polished rod mount pad 83 to the counter sink 881 of motor cabinet 88, pin-and-hole 756 is for location, feeding X is inserted in feeding X in the hole 836 of polished rod mount pad 83 to the rear end of polished rod 87, and in screwed hole 835, use holding screw to hold out against locking slot 873 to be fixed to polished rod 87 feeding X, feeding X is enclosed within feeding X on the external cylindrical surface 871 of polished rod 87 to the inner headed face of linear bearing 85, feeding X can slide along feeding X to polished rod 87 to linear bearing 85, feeding X is enclosed within feeding feeding X in the both sides endoporus 863 of slide unit 86 to the periphery of linear bearing 85, and inside for X jump ring 84 is contained in inner card cage 866, feeding X is fixed to linear bearing 85, feeding X is inserted in feeding X in the both sides blind hole 886 of motor cabinet 88 to the front end of polished rod 87, and in screwed hole 884, use holding screw to hold out against locking slot 872 to be fixed to polished rod 87 feeding X, feeding X is arranged on feeding X in the interstitial hole 885 of motor cabinet 88 to linear electric motors 89, and screw connecting thread hole 891 is used in counter sink 883, fixing feeding X to linear electric motors 89 with feeding X to motor cabinet 88, feeding X is fixed on feeding X in the interstitial hole 861 of slide unit 86 to the nut 893 of linear electric motors 89, feeding X is inserted in the endoporus 822 of ball bearing 82 to the rear end of the leading screw of linear electric motors 89, ball bearing 82 is contained in feeding X in the interstitial hole 833 of polished rod mount pad 83, and use end cap 81 to seal, when feeding X rotates to linear electric motors 89, drive feeding X to slide unit 86 at feeding X to anterior-posterior translation on polished rod 87, and then drive sample introduction Y-direction manual adjustments module 9, continuous feed detection or scanning imagery detection are carried out to sample.
As shown in Figure 12,60,61,62,63,64,65,66,67,68,69,70,71, sample introduction Y-direction manual adjustments module 9 comprises sample introduction Y-direction holder 91, sample introduction Y-direction guide rail 92, sample introduction Y-direction slide block 93, sample introduction Y-direction differential crown end seat 94, sample introduction Y-direction stay 95, sample introduction Y-direction differential head mount pad 96, sample introduction Y-direction differential head 97, sample introduction Y-direction locking screw head 98, T-shaped platform 99, sample introduction sample dish 910, scanning imagery sample disc 918, sample introduction Y-direction extension spring 919.Wherein, the counter sink 911 of sample introduction Y-direction holder 91 is connected by screw the screwed hole 864 of feeding X to slide unit 86, pin-and-hole 912 and pin-and-hole 865 are for locating, the fixed block screwed hole 921 of sample introduction Y-direction guide rail 92 connects the counter sink 913 of sample introduction Y-direction holder 91, the sliding shoe screwed hole 922 of sample introduction Y-direction guide rail 92 connects the counter sink 931 of sample introduction Y-direction slide block 93, the relative translation motion between sample introduction Y-direction holder 91 and sample introduction Y-direction slide block 93 can be realized, simultaneously, the screwed hole 916 of sample introduction Y-direction holder 91 is connected with screw with the drag hook 9191 of sample introduction Y-direction extension spring, the screwed hole 934 of sample introduction Y-direction slide block 93 is connected with screw with the drag hook 9192 of sample introduction Y-direction extension spring, the through hole 941 of sample introduction Y-direction differential crown end seat 94 is fixed by screws on the screwed hole 914 of sample introduction Y-direction holder 91, the counter sink 961 of sample introduction Y-direction differential head mount pad 96 is fixed by screws on the screwed hole 935 of sample introduction Y-direction slide block 93, the external cylindrical surface 972 of sample introduction Y-direction differential head 97 is inserted in the through hole 962 of sample introduction Y-direction differential head mount pad 96, and in screwed hole 963, use holding screw to fix sample introduction Y-direction differential head 97, the round end 973 of sample introduction Y-direction differential head 97 withstands on sample introduction Y-direction differential crown end seat 94 simultaneously, sample introduction Y-direction locking screw head 98 is screwed on the screwed hole 936 of sample introduction Y-direction slide block 93, the through hole 951 of sample introduction Y-direction stay 95 is fixed by screws on the screwed hole 937 of sample introduction Y-direction slide block 93, tightening sample introduction Y-direction locking screw head 98 is just pressed in sample introduction Y-direction stay 95 on sample introduction Y-direction slide block 93 tightly, realize the motion locking between sample Y-direction holder 91 and sample introduction Y-direction slide block 93, the counter sink 991 of T-shaped platform 99 is arranged on by screw on the screwed hole 932 of sample introduction Y-direction slide block 93, T-slot 993 structure is arranged at the top of T-shaped platform 99, the bottom of sample introduction sample dish 910 arranges protruding 9102 structures of a T-shaped and just can be inserted in T-slot 993, T-shaped platform 99 generally can adopt elastomeric material, can elastic clamping insert sample introduction sample dish 910, sample to be detected is placed in six, the top Baltimore groove 9101 in sample introduction sample dish 910, a duty cycle can detect six samples, protruding 9183 structures of a T-shaped are also arranged at the bottom of scanning imagery sample disc 918, sample is placed on the slide 9182 of scanning imagery sample disc 918, scanning imagery sample disc 918 is replaced sample introduction sample dish 910, continuous feed scanning imagery can be carried out to sample, when rotating forward the afterbody swing handle 971 of sample introduction Y-direction differential head 97, the head 973 of sample introduction Y-direction differential head 97 moves downward, sample introduction Y-direction slide block 93 moves upward under the reaction of sample introduction Y-direction differential head 97, when the afterbody swing handle 973 of reverse rotation sample introduction Y-direction differential head 97, the head 972 of sample introduction Y-direction differential head 97 travels forward, sample introduction Y-direction slide block 93 is at the pulling force moved downward of sample introduction Y-direction extension spring 919, the i.e. Y-direction distance b of adjustable sample stage 9 and mass spectrometer injection port 10
2.
When utilizing this device to test, the operating procedure taked is:
(1) according to above-mentioned annexation, assemble mounting interface, Y-direction translational adjustment module, Z-direction translational adjustment module, A shaft angle degree adjustment module, ion source shower nozzle, Complex interface and the automatic adjustment module of sample introduction Z-direction, sample introduction X successively to auto-feed module, sample introduction Y-direction manual adjustments module, by this adjusting device assembled, to be installed on mass spectrometer injection port by mounting interface and to lock;
(2) testing sample is placed on sample detection dish;
(3) the high-voltage conducting wires termination of ion source shower nozzle is led to high pressure (as+3KV), air inlet pipe passes into gas (nitrogen as 1MPa);
(4) open mass spectrometer scanning system, obtain preliminary testing result;
(5) when studying the relation of ion source shower nozzle, space position parameter between sample stage and mass spectrometer injection port and signal strength signal intensity, independent regulation modules.Such as, a is studied
1with the relation of signal strength signal intensity, only need to regulate separately Z-direction translational adjustment module, and Y-direction translational adjustment module, A shaft angle degree adjustment module, the automatic adjustment module of sample introduction Z-direction, sample introduction Y-direction manual adjustments module all maintain the lock status.
(6) when distributing rationally, according to the display result of signal strength signal intensity, regulate Y-direction translational adjustment module, Z-direction translational adjustment module, A shaft angle degree adjustment module, the automatic adjustment module of sample introduction Z-direction, sample introduction Y-direction manual adjustments module respectively, to obtain the Z-direction distance a of the angle [alpha] of suitable ion source shower nozzle and mass spectrometer injection port, ion source shower nozzle and mass spectrometer injection port
1, ion source shower nozzle and mass spectrometer injection port Y-direction distance b
1, sample stage and mass spectrometer injection port Z-direction distance a
2, sample stage and mass spectrometer injection port Y-direction distance b
2, until signal strength signal intensity reaches best.
(7) when using this device to detect multiple sample, testing sample being put into sample detection dish respectively, controlling linear electric motors intermittent movement, successively six samples being detected.Different in kind per sample, also can be configured sample detection dish, a cycle detection more Multi-example, such as 12.
(8) when using this device to carry out scanning imagery detection to sample, testing sample being placed on the slide of Sample Scan detection dish, controlling linear electric motors intermittent movement, by controlling suitable resolution, such as 0.1mm, carries out mass spectrum imaging detection to sample.
What deserves to be explained is; above-described embodiment is only for illustration of the utility model; wherein the structure of each parts, connected mode all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection range of the present utility model.
Claims (9)
1. the overhead polar coordinates adjusting device for surface desorption atmospheric chemical ionization source, comprise the mounting interface (1) be connected with mass spectrometer injection port, it is characterized in that: in the upper front end of described mounting interface (1), Y-direction translational adjustment module (2) is installed, at the end of described Y-direction translational adjustment module (2), Z-direction translational adjustment module (3) is installed, A shaft angle degree adjustment module (4) that can rotate around X-axis is installed at the end of described Z-direction translational adjustment module (3), at the end of described A shaft angle degree adjustment module (4), ion source shower nozzle (5) is installed, Complex interface (6) for being electrically connected is installed on the positive top of described mounting interface (1), at the front lower portion of described mounting interface (1), the automatic adjustment module of sample introduction Z-direction (7) is installed, sample introduction X is installed directly over the automatic adjustment module of described sample introduction Z-direction (7) to auto-feed module (8), to auto-feed module (8) rear, sample introduction Y-direction manual adjustments module (9) is installed at described sample introduction X, in the top of described sample introduction Y-direction manual adjustments module (9), sample introduction sample dish (910) is installed,
Described X moves left and right direction to the level of referring to, Y-direction refers to and vertically moves up and down direction, Z-direction refers to that described A axle refers to pivot axis in X direction along mass spectrometer injection port axis moving direction, the central shaft of the rotating parts of the plane orthogonal namely formed with described Y-direction, Z-direction axis.
2. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 1, it is characterized in that: described Y-direction translational adjustment module (2) is positioned at described mounting interface (1) upper front end, comprise Y-direction mounting panel (21), Y-direction slide (22), Y-direction guide rail (23), Y-direction differential crown end seat (24), Y-direction differential head mount pad (25), Y-direction differential head (26), Y-direction extension spring (27), Y-direction locking screw head (28), with Y-direction stay (29), described Y-direction mounting panel (21) is connected with described mounting interface (1), described Y-direction slide (22) is connected with described Y-direction mounting panel (21) by described Y-direction guide rail (23), described Y-direction differential crown end seat (24) is fixed on the side of described Y-direction slide (22), described Y-direction differential head mount pad (25) has through hole, be fixed on the homonymy with described Y-direction differential crown end seat (24) on described Y-direction mounting panel, described Y-direction differential head (26) inserts the through hole on described Y-direction differential head mount pad (25), be fixed on described Y-direction differential head mount pad (25), top connects with described Y-direction differential crown end seat (24), described Y-direction extension spring (27) elasticity connects described Y-direction slide (22) and described Y-direction mounting panel (21), described Y-direction locking screw head (28) is through the through hole on described Y-direction stay (29), be screwed into described Y-direction mounting panel (21).
3. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 2, it is characterized in that: described Z-direction translational adjustment module (3) is positioned at the top of described Y-direction slide (22), comprise Z-direction slide block (31), Z-direction guide rail (32), Z-direction differential head mount pad (33), Z-direction differential crown end seat (34), Z-direction differential head (35), Z-direction locking screw head (36), Z-direction stay (37) and Z-direction extension spring (39), described Z-direction slide block (31) is connected with described Y-direction slide (22) by described Z-direction guide rail (32), described Z-direction differential head mount pad (33) has through hole, be fixed on the side of described Z-direction slide block (31), described Z-direction differential crown end seat (34) is fixed on the homonymy with described Z-direction differential head mount pad (33) on described Y-direction slide (22), described Z-direction differential head (35) inserts the through hole on described Z-direction differential head mount pad (33), be fixed on described Z-direction differential head mount pad (33), top connects with described Z-direction differential crown end seat (34), described Z-direction extension spring (39) elasticity connects described Y-direction slide (22) and described Z-direction slide block (31), described Z-direction locking screw head (36) is through the through hole on described Z-direction stay (37), be screwed into slide described in Y-direction (22).
4. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 3, it is characterized in that: described A shaft angle degree adjustment module (4) is positioned on described Z-direction slide block (31), comprise arc-shaped guide rail (41), inner ring slide block (42), outer shroud slide block (43), slider locking spiral shell head (44), nozzle mounting seat (45), shower nozzle locking screw head (46) and catch (47), the tail end of described arc-shaped guide rail (41) is fixed on described Z-direction slide block (31), described inner ring slide block (42) is fixedly connected with described outer shroud slide block (43), and cooperatively interact with described outer shroud slide block (43) shape, form the closed inside groove coordinated with described arc-shaped guide rail (41) radial section, surround described arc-shaped guide rail (41), described slider locking spiral shell head (44) is screwed into the upper reserved screw of described outer shroud slide block (43), described nozzle mounting seat (45) has through hole, be fixed on the side of described inner ring slide block (42), described shower nozzle locking screw head (46) is screwed in the upper reserved screw of described nozzle mounting seat (45), described catch (47) is fixed on the head end of described arc-shaped guide rail (41).
5. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 1, it is characterized in that: the automatic adjustment module of described sample introduction Z-direction (7) comprises sample introduction Z-direction polished rod mount pad (71), sample introduction Z-direction polished rod (74), sample introduction Z-direction slide unit (75), sample introduction Z-direction motor cabinet (76) and sample introduction Z-direction linear electric motors (77), described sample introduction Z-direction polished rod mount pad (71) is fixed on the front lower portion of described mounting interface (1), there is the installing hole installing described Z-direction polished rod (74), described Z-direction polished rod (74) one end is fixed in the installing hole of described Z-direction polished rod mount pad (71), the other end is through the through hole in described sample introduction Z-direction slide unit (75), be fixed in the installing hole on described sample introduction Z-direction motor cabinet (76), described sample introduction Z-direction linear electric motors (77) are arranged on described sample introduction Z-direction motor cabinet (76), the nut of described sample introduction Z-direction linear electric motors (77) is fixed in the interstitial hole on described sample introduction Z-direction slide unit (75), leading screw is by the interstitial hole of described Z-direction motor cabinet (76), in the nut of linear electric motors described in precession (77).
6. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 5, it is characterized in that: described sample introduction X comprises feeding X to polished rod mount pad (83) to auto-feed module (8), feeding X is to slide unit (86), feeding X is to polished rod (87), feeding X is to motor cabinet (88) and feeding X to linear electric motors (89), described feeding X is fixed on the opposite end of described sample introduction Z-direction slide unit (75) to polished rod mount pad (83) and described feeding X to motor cabinet (88), described feeding X to polished rod (87) through feeding X to the through hole in slide unit, two ends are separately fixed at X to polished rod mount pad (83) and feeding X on motor cabinet (88), described feeding X is arranged on the outside of feeding X to motor cabinet (88) to linear electric motors (89), X is fixed on feeding X in the interstitial hole of slide unit (86) to the nut of motor cabinet (88), feeding X passes through the interstitial hole of feeding X to motor cabinet (88) to the leading screw of linear electric motors (89), be inserted into X to polished rod mount pad (83).
7. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 1, it is characterized in that: described sample introduction Y-direction manual adjustments module (9) comprises sample introduction Y-direction holder (91), sample introduction Y-direction guide rail (92), sample introduction Y-direction slide block (93), sample introduction Y-direction differential crown end seat (94), sample introduction Y-direction stay (95), sample introduction Y-direction differential head mount pad (96), sample introduction Y-direction differential head (97), sample introduction Y-direction locking screw head (98), T-shaped platform (99), sample introduction sample dish (910), sample introduction Y-direction extension spring (919), described sample introduction Y-direction holder (91) is fixed on feeding X to slide unit (86) rear side, described sample introduction Y-direction holder (91) is connected by sample introduction Y-direction guide rail (92) with between sample introduction Y-direction slide block (93), described sample introduction Y-direction extension spring (919) elasticity connects sample introduction Y-direction holder (91) and sample introduction Y-direction slide block (93), described sample introduction Y-direction differential crown end seat (94) is fixed on the side of sample introduction Y-direction holder (91), described sample introduction Y-direction differential head mount pad (96) has through hole, be fixed on sample introduction Y-direction slide block (93) and the homonymy on sample introduction Y-direction differential crown end seat (94), described sample introduction Y-direction differential head (97) inserts the through hole of sample introduction Y-direction differential head mount pad (96), be fixed on sample introduction Y-direction differential head mount pad (96), top connects with sample introduction Y-direction differential crown end seat (94), described sample introduction Y-direction stay (95) has through hole, be fixed on the upper side relative with sample introduction Y-direction differential crown end seat (94) of sample introduction Y-direction holder (91), described sample introduction Y-direction locking screw head (98) is through the through hole on sample introduction Y-direction stay (95), be screwed into sample introduction Y-direction slide block (93), described T-shaped platform (99) top has a T-slot structure, described sample introduction sample dish (910) bottom has a T-shaped bulge-structure matched with T-shaped platform (99), can be inserted in the T-slot of described T-shaped platform (99), sample introduction sample dish (910) have six Baltimore grooves for placing sample to be analyzed.
8. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 7, it is characterized in that: substitute described sample introduction sample dish (910) with scanning imagery sample disc (918), described scanning imagery sample disc (918) is a planar structure, described scanning imagery sample disc (918) bottom has a T-shaped bulge-structure matched with T-shaped platform (99), be inserted in the T-slot of described T-shaped platform (99), analytic sample is placed on dish, to feed scanning imagery continuously.
9. the overhead polar coordinates adjusting device in surface desorption atmospheric chemical ionization source according to claim 1, it is characterized in that: described ion source shower nozzle (5) comprises spray point (51), overcoat (52), spray point spiral shell head (53), electrode (54), electrode spiral shell head (55), high-voltage conducting wires (56), air inlet pipe (57), air inlet pipe spiral shell head (58), the head of spray point (51) penetrates from the afterbody screwed hole of centre of overcoat (52), until expose certain distance at the head of overcoat, it is inner that the afterbody of spray point (51) packs into spray point spiral shell head (53), tighten spray point spiral shell head (53), to be formed the sealing of spray point and fixing, high-voltage conducting wires (56) passes from the endoporus of electrode spiral shell head (55), the endoporus of electrode (54) afterbody is inserted and firm welding in front end, the other end of tension high-voltage conducting wires (56), makes electrode (54) enter in the endoporus of electrode spiral shell head (55), electrode spiral shell head (55) is screwed into from the afterbody of spray point spiral shell head (53) and makes electrode (54) be attached to the tail end face of spray point (51), is added on spray point (51) by electrode (54) by high pressure, the afterbody side screwed hole that air inlet pipe (57) is inserted into overcoat (52) is interior until on earth, is screwed into air inlet pipe spiral shell head and tightens seal and fix in the afterbody side screwed hole of overcoat (52).
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| CN201420581803.6U CN204189766U (en) | 2014-10-09 | 2014-10-09 | Overhead polar coordinates adjusting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299883A (en) * | 2014-10-09 | 2015-01-21 | 东华理工大学 | Top entry type polar coordinate adjusting device |
| CN104966657A (en) * | 2015-07-08 | 2015-10-07 | 中国科学院长春应用化学研究所 | Sample introduction interface device for ionization source, mass spectrometry and liquid phase gas chromatograph-mass spectrometer |
| WO2019104598A1 (en) * | 2017-11-30 | 2019-06-06 | 惠州市惠轩达汽车贸易有限公司 | Machining fixture applicable to automobile part having irregular end face |
-
2014
- 2014-10-09 CN CN201420581803.6U patent/CN204189766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299883A (en) * | 2014-10-09 | 2015-01-21 | 东华理工大学 | Top entry type polar coordinate adjusting device |
| CN104966657A (en) * | 2015-07-08 | 2015-10-07 | 中国科学院长春应用化学研究所 | Sample introduction interface device for ionization source, mass spectrometry and liquid phase gas chromatograph-mass spectrometer |
| WO2019104598A1 (en) * | 2017-11-30 | 2019-06-06 | 惠州市惠轩达汽车贸易有限公司 | Machining fixture applicable to automobile part having irregular end face |
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