CN213779860U - Dustproof device of atomic absorption spectrometer - Google Patents
Dustproof device of atomic absorption spectrometer Download PDFInfo
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- CN213779860U CN213779860U CN202022696741.1U CN202022696741U CN213779860U CN 213779860 U CN213779860 U CN 213779860U CN 202022696741 U CN202022696741 U CN 202022696741U CN 213779860 U CN213779860 U CN 213779860U
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Abstract
The application relates to the technical field of atomic absorption spectrum appearance, discloses a dust keeper of atomic absorption spectrum appearance, and it includes coupling mechanism, is used for sealing the mouthful closing mechanism that volatilizees of volatilizing and is used for sealing the sediment mechanism that falls that prevents of breathing in the pipeline, coupling mechanism one end with volatilize a closing mechanism fixed connection, coupling mechanism keeps away from the one end of volatilizing a closing mechanism and prevents sediment mechanism fixed connection that falls. The method has the effect of reducing the influence of dust on the measurement precision of the atomic absorption spectrometer.
Description
Technical Field
The application relates to the field of atomic absorption spectrometers, in particular to a dustproof device of an atomic absorption spectrometer.
Background
An atomic absorption spectrometer is an instrument capable of measuring the content of various elements in an object, a flame atomic absorption spectrometry can measure 10-9g/mL order of magnitude, and a graphite furnace atomic absorption spectrometry can measure 10-13g/mL order of magnitude; the hydride generator can measure the trace quantity of 8 volatile elements of mercury, arsenic, lead, selenium, tin, tellurium, antimony, germanium and the like, the instrument radiates light with characteristic spectral lines of the elements to be measured from a light source, the light is absorbed by ground state atoms of the elements to be measured in vapor when passing through the vapor of the sample, and the content of the elements to be measured in the sample is measured according to the weakened degree of the radiation characteristic spectral line light.
The existing atomic absorption spectrometer generally comprises an atomic absorption spectrometer main body, a sample injector, a cleaning assembly, a light source, a sample atomizer, a monochromator and a data processing system, wherein a volatilization port is formed in one end, close to the ground, of the atomic absorption spectrometer main body. The waste gas that the atomic absorption spectrometer during operation produced can be followed the mouth of volatilizing and discharged, volatilizees mouthful top and is provided with the cover of breathing in, and the one end intercommunication that the cover of breathing in kept away from the atomic absorption spectrometer main part has the pipeline of breathing in.
With respect to the related art in the above, the inventor believes that there are defects that when the atomic absorption spectrometer does not work, dust may enter the inside of the atomic absorption spectrometer through the volatilization port, and particles in the exhaust gas adhered to the inner wall of the absorption pipe may fall inside the atomic absorption spectrometer through the volatilization port, thereby affecting the detection accuracy of the atomic absorption spectrometer.
SUMMERY OF THE UTILITY MODEL
In order to reduce the influence that the dust caused atomic absorption spectrometer measurement accuracy, this application provides an atomic absorption spectrometer's dust keeper.
The application provides a dust keeper of atomic absorption spectrometer adopts following technical scheme:
the utility model provides an atomic absorption spectrum appearance's dust keeper, includes coupling mechanism, is used for sealing the mouth closing mechanism that volatilizees of volatilizing and is used for sealing the anti-slag mechanism that falls of breathing in the pipeline, coupling mechanism one end with volatilize a closing mechanism fixed connection, coupling mechanism keeps away from the one end of volatilizing a closing mechanism and prevents falling slag mechanism fixed connection.
Through adopting above-mentioned technical scheme, utilize the mouth that volatilizees closing mechanism to seal the mouth that volatilizees of atomic absorption spectrometer, reduce because of the dust gets into the inside probability that influences the atomic absorption spectrometer detection precision of atomic absorption spectrometer from volatilizing the mouth. Through utilizing coupling mechanism to connect and sealing the intake duct at the anti-sediment mechanism that volatilizees mouthful closing mechanism and keep away from ground one end, reduce the possibility that the particulate matter that condenses in the intake duct dropped near the mouth that volatilizees to reduce the particulate matter in the waste gas and through volatilizing the inside probability of mouthful nearly atomic absorption spectrum appearance that drops.
Optionally, the connecting mechanism includes a first rod and a second rod, the second rod coaxially penetrates through one end of the first rod in the length direction, the second rod is connected with the first rod in a sliding manner, a driving assembly used for controlling the second rod to slide relative to the first rod is arranged in the first rod, the first rod is fixedly connected with the slag falling prevention mechanism, and the second rod is fixedly connected with the volatile opening sealing mechanism.
Through adopting above-mentioned technical scheme, coupling mechanism includes first pole and the coaxial one end second pole of wearing to establish in first pole length direction, utilizes drive assembly control second pole to slide relative first pole, makes coupling mechanism's length adjustable, the dust keeper's of being convenient for installation.
Optionally, the driving assembly comprises an electric push rod, a fixed end of the electric push rod is fixedly connected with the first rod, and a telescopic end of the electric push rod is fixedly connected with the second rod.
Through adopting above-mentioned technical scheme, utilize electric putter to control the slip of second pole relative first pole, electric putter working process is steady, is convenient for adjust.
Optionally, one end of the slag falling prevention mechanism close to the first rod is fixedly connected with a guide body used for guiding the electric push rod, the guide body is annular, and the guide body is in coaxial sliding connection with the second rod.
Through adopting above-mentioned technical scheme, second pole and guide body sliding connection to utilize the guide body to lead electric putter, reduce the bending stress that electric putter received, improve electric putter's life.
Optionally, the slag falling prevention mechanism comprises a blocking disc, the blocking disc is fixedly connected with the first rod in a coaxial mode, and one end, far away from the first rod, of the blocking disc is fixedly connected with an annular limiting baffle used for limiting particulate matters falling in the suction pipeline.
Through adopting above-mentioned technical scheme, utilize the shutoff dish to carry out the shutoff to the air inlet of breathing in the pipeline, the annular limiting plate that coupling mechanism's one end fixed connection is arranged in restricting particulate matter in the waste gas is kept away from to the shutoff dish to particulate matter in the waste gas is collected, reduces the probability that particulate matter in the dust keeper dismantles in-process waste gas and drops from the shutoff dish.
Optionally, the volatilization opening sealing mechanism comprises a sealing plate, the sealing plate is fixedly connected with the second rod in a perpendicular mode, and one end, far away from the second rod, of the sealing plate is fixedly connected with a rubber sealing gasket.
Through adopting above-mentioned technical scheme, utilize the closing plate to seal the mouth that volatilizees, utilize the rubber packing pad of fixed connection in the closing plate one end of keeping away from coupling mechanism to improve the closing plate to the closeness of volatilizing the mouth confined.
Optionally, first pole fixedly connected with supporting mechanism, supporting mechanism includes square frame and four spinal branch vaulting poles, square frame cover establish in the first pole outside and with first pole fixed connection, the perpendicular fixed connection in the position in square frame four corners of four spinal branch vaulting poles, one side fixedly connected with roll subassembly of second pole is kept away from to the bracing piece one end that is close to the closing plate, roll subassembly includes fixed axle and gyro wheel, fixed axle one end and bracing piece fixed connection, the fixed axle is kept away from bracing piece one end and is rotated with the gyro wheel and be connected.
Through adopting above-mentioned technical scheme, utilize supporting mechanism to support coupling mechanism, the operating personnel of being convenient for removes dust keeper's installation, and the bracing piece lower extreme is connected with the roll subassembly, and the operating personnel of being convenient for removes dust keeper.
Optionally, the fixed axle includes one end and bracing piece fixed connection's primary shaft and one end and the coaxial pivoted oscillating axle of gyro wheel, the one end that the gyro wheel was kept away from to the oscillating axle is articulated with the one end of primary shaft, the articulated axis of primary shaft and oscillating axle is vertical setting, the one end that the gyro wheel was kept away from to the oscillating axle extends the limiting plate, the arc hole has been seted up on the limiting plate, the lateral wall fixedly connected with of fixed axle rather than the vertically gag lever post, the gag lever post passes the arc hole.
Through adopting above-mentioned technical scheme, the swing axle can swing for the primary shaft to drive the gyro wheel swing, make the gyro wheel have certain space that turns to, make things convenient for dust keeper multidirectional removal. The cooperation of limiting plate and gag lever post is utilized to restrict the rotation space of gyro wheel, avoids the too big dust keeper that leads to of gyro wheel turned angle to remove too nimble.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the volatilization port of the atomic absorption spectrometer is sealed by the volatilization port sealing mechanism, so that the probability that the detection precision of the atomic absorption spectrometer is influenced because dust enters the atomic absorption spectrometer from the volatilization port is reduced;
2. the connecting mechanism is connected to one end, far away from the ground, of the volatilization port sealing mechanism, and is fixedly connected with the slag falling prevention mechanism, the slag falling prevention mechanism is used for sealing the air suction pipeline, the possibility that particles condensed in the air suction pipeline fall to the position near the volatilization port is reduced, and therefore the probability that the particles in the waste gas fall to the inside of the atomic absorption spectrometer through the volatilization port is reduced;
3. through fixed connection supporting mechanism on coupling mechanism, utilize supporting mechanism to support coupling mechanism, the operating personnel of being convenient for removes dust keeper to dust keeper's installation, connects the rolling subassembly at the bracing piece lower extreme, and the operating personnel of being convenient for removes dust keeper.
Drawings
FIG. 1 is a schematic structural diagram of a related apparatus according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic structural view of a portion of a coupling mechanism according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a rolling assembly portion according to an embodiment of the present application.
Description of reference numerals: 100. a connecting mechanism; 110. a first lever; 120. a second lever; 130. a drive assembly; 131. an electric push rod; 200. a volatilization port; 300. a volatilization port closing mechanism; 310. a closing plate; 320. a rubber gasket; 400. an air intake duct; 500. a slag falling prevention mechanism; 510. a plugging disc; 520. an annular limit baffle; 600. a guide body; 700. a support mechanism; 710. a square frame; 720. a support bar; 800. a rolling component; 810. a fixed shaft; 811. a first shaft; 812. a swing shaft; 813. a limiting plate; 814. a limiting rod; 815. an arc-shaped hole; 820. and a roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses dustproof device of atomic absorption spectrometer. Referring to fig. 1 and 2, the dust-proof device of the atomic absorption spectrometer includes a connecting mechanism 100, a volatilization port sealing mechanism 300 for sealing a volatilization port 200 is fixedly connected to one end of the connecting mechanism 100, and a slag-dropping-preventing mechanism 500 is fixedly connected to one end of the connecting mechanism 100 far away from the volatilization port sealing mechanism 300. The connecting mechanism 100 is fixedly connected with a supporting mechanism 700, and the supporting mechanism 700 is used for supporting the connecting mechanism 100, so that an operator can conveniently install the dustproof device.
Referring to fig. 2 and 3, the connection mechanism 100 includes a first rod 110, a second rod 120 coaxially disposed at one end of the first rod 110 in the length direction, and the second rod 120 slidably connected to the first rod 110. The length of the attachment mechanism 100 is adjustable to facilitate installation of the dust guard. An electric push rod 131 for controlling the movement of the second rod 120 is fixedly connected in the first rod 110, the fixed end of the electric push rod 131 is fixedly connected with the first rod 110, and the telescopic end of the electric push rod 131 is fixedly connected with the second rod 120. The first rod 110 is fixedly connected with the slag falling prevention mechanism 500, and the second rod 120 is fixedly connected with the volatilization port closing mechanism 300. The first lever 110 is fixedly connected to the support mechanism 700. The electric push rod 131 is used for controlling the sliding of the second rod 120 relative to the first rod 110, and the electric push rod 131 is stable in working process and convenient to adjust. One end of the slag falling prevention mechanism 500 close to the first rod 110 is fixedly connected with a guide body 600 for guiding the electric push rod 131, the guide body 600 is annular, and the guide body 600 is coaxially and slidably connected with the second rod 120. Through with second pole 120 and guide body 600 sliding connection to utilize guide body 600 to lead electric putter 131, reduce the bending stress that electric putter 131 received, improve electric putter 131's life.
Referring to fig. 2 and 3, the volatilization port closure mechanism 300 includes a closure plate 310, and the closure plate 310 is vertically and fixedly connected to the second rod 120. The end of the closing plate 310 far away from the second rod 120 is fixedly connected with a rubber gasket 320, the volatilization port 200 is closed by the closing plate 310, and the tightness of the closing plate 310 for closing the volatilization port 200 is improved by the rubber gasket 320 fixedly connected to the end of the closing plate 310 far away from the connecting mechanism 100.
Referring to fig. 2 and 3, the anti-slag-off mechanism 500 includes a blocking disc 510, the blocking disc 510 is coaxially and fixedly connected to the first rod 110, and an annular limiting baffle 520 for limiting the particulate matter falling off from the suction pipe 400 is fixedly connected to one end of the blocking disc 510 away from the first rod 110. Utilize shutoff dish 510 to carry out the shutoff to anti-slag-off mechanism 500, the annular limiting plate 813 that coupling mechanism 100's one end fixed connection is arranged in restricting particulate matter in the waste gas is kept away from to shutoff dish 510 to particulate matter in the waste gas is collected, reduces the probability that particulate matter in the dust keeper dismantles in-process waste gas and drops from shutoff dish 510.
Referring to fig. 2 and 3, the supporting mechanism 700 includes a square frame 710, and the square frame 710 is disposed on the outer side of the first rod 110 and is fixedly connected to the first rod 110. The four corners of the square frame 710 near the ground are vertically and fixedly connected with support rods 720.
Referring to fig. 3 and 4, a rolling assembly 800 is fixedly connected to a side of the supporting rod 720 close to the closing plate 310 and far from the second rod 120, the rolling assembly 800 includes a fixing shaft 810, one end of the fixing shaft 810 is fixedly connected to the supporting rod 720, and a roller 820 is rotatably connected to one end of the fixing shaft 810 far from the supporting rod 720. The connecting mechanism 100 is supported by the supporting mechanism 700, so that an operator can conveniently install the dustproof device, and the rolling assembly 800 is connected to the lower end of the supporting rod 720, so that the operator can conveniently move the dustproof device.
Referring to fig. 4, the fixing shaft 810 includes a first shaft 811 with one end fixedly connected to the support rod 720 and a swing shaft 812 with one end coaxially rotating with the roller 820, the end of the swing shaft 812 far away from the roller 820 is hinged to one end of the first shaft 811, the hinge axes of the first shaft 811 and the swing shaft 812 are vertically arranged, one end of the swing shaft 812 far away from the roller 820 extends to form a limiting plate 813, an arc hole 815 is formed in the limiting plate 813, a limiting rod 814 perpendicular to the side wall of the fixing shaft 810 is fixedly connected to the side wall of the fixing shaft 810, and the limiting rod 814 passes through the arc hole 815. The swing shaft 812 can swing relative to the first shaft 811, so as to drive the roller 820 to swing, so that the roller 820 has a certain steering space, and the dustproof device can move in multiple directions conveniently. The rotation space of the roller 820 is limited by the matching of the limiting plate 813 and the limiting rod 814, so that the phenomenon that the dust-proof device moves too flexibly due to the fact that the rotation angle of the roller 820 is too large is avoided.
The implementation principle of the dustproof device of the atomic absorption spectrometer in the embodiment of the application is as follows: after the atomic absorption spectrometer is used, the dust-proof device is moved to a proper position above the volatilization port 200. Align shutoff dish 510 and inspiratory line 400 air inlet, start electric putter 131, electric putter 131's flexible end extension utilizes closing plate 310 to seal volatilizing the mouth 200, reduces because of the dust enters into the inside probability that influences the atomic absorption spectrometer detection precision of atomic absorption spectrometer from volatilizing the mouth 200. The blocking disc 510 seals the air inlet of the air suction pipe 400 under the reverse thrust of the second rod 120, so that the possibility that particles condensed in the air suction pipe 400 fall to the vicinity of the volatilization port 200 is reduced, and the probability that the particles in the exhaust gas fall to the inside of the atomic absorption spectrometer through the volatilization port 200 is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a dust keeper of atomic absorption spectrometer which characterized in that: the device comprises a connecting mechanism (100), a volatilization opening sealing mechanism (300) for sealing a volatilization opening (200) and a slag falling prevention mechanism (500) for sealing an air suction pipeline (400), wherein one end of the connecting mechanism (100) is fixedly connected with the volatilization opening sealing mechanism (300), and one end of the connecting mechanism (100) far away from the volatilization opening sealing mechanism (300) is fixedly connected with the slag falling prevention mechanism (500).
2. The dust-proof device of an atomic absorption spectrometer as claimed in claim 1, wherein: the connecting mechanism (100) comprises a first rod (110) and a second rod (120), the second rod (120) coaxially penetrates through one end of the first rod (110) in the length direction, the second rod (120) is connected with the first rod (110) in a sliding mode, a driving assembly (130) used for controlling the second rod (120) to slide relative to the first rod (110) is arranged in the first rod (110), the first rod (110) is fixedly connected with a slag falling prevention mechanism (500), and the second rod (120) is fixedly connected with a volatile opening sealing mechanism (300).
3. The dust-proof device of an atomic absorption spectrometer as claimed in claim 2, wherein: drive assembly (130) include electric putter (131), the stiff end and first pole (110) fixed connection of electric putter (131), the flexible end and second pole (120) fixed connection of electric putter (131).
4. The dust-proof device of atomic absorption spectrometer of claim 3, wherein: the anti-slag-falling mechanism (500) is fixedly connected with a guide body (600) used for guiding the electric push rod (131) at one end close to the first rod (110), the guide body (600) is annular, and the guide body (600) is in coaxial sliding connection with the second rod (120).
5. The dust-proof device of atomic absorption spectrometer of claim 4, wherein: prevent that sediment mechanism (500) fall includes shutoff dish (510), shutoff dish (510) and the coaxial fixed connection of first pole (110), the one end fixedly connected with that first pole (110) were kept away from in shutoff dish (510) is used for carrying out spacing annular limit baffle (520) to the particulate matter that drops in inhaling pipeline (400).
6. The dust-proof device of an atomic absorption spectrometer as claimed in claim 5, wherein: volatilization mouth closing mechanism (300) is including closing plate (310), closing plate (310) and the perpendicular fixed connection of second pole (120), the one end fixedly connected with rubber packing (320) of second pole (120) are kept away from in closing plate (310).
7. The dust-proof device of an atomic absorption spectrometer as claimed in claim 2, wherein: first pole (110) fixedly connected with supporting mechanism (700), supporting mechanism (700) includes square frame (710) and four spinal branch vaulting poles (720), square frame (710) cover is established in the first pole (110) outside and with first pole (110) fixed connection, the perpendicular fixed connection in the position in square frame (710) four corners of four spinal branch vaulting poles (720), one side fixedly connected with rolling component (800) of second pole (120) is kept away from to the one end that bracing piece (720) are close to closing plate (310), rolling component (800) includes fixed axle (810) and gyro wheel (820), fixed axle (810) one end and bracing piece (720) fixed connection, bracing piece (720) one end is kept away from to fixed axle (810) and gyro wheel (820) rotate and are connected.
8. The dust-proof device of an atomic absorption spectrometer as claimed in claim 7, wherein: the fixed axle (810) includes one end and bracing piece (720) fixed connection's first axle (811) and one end and gyro wheel (820) coaxial pivoted swing axle (812), the one end of gyro wheel (820) is kept away from in swing axle (812) is articulated with the one end of first axle (811), the articulated axis of first axle (811) and swing axle (812) is vertical setting, the one end that gyro wheel (820) were kept away from in swing axle (812) extends limiting plate (813), arc hole (815) have been seted up on limiting plate (813), the lateral wall fixedly connected with of fixed axle (810) and its vertically gag lever post (814), gag lever post (814) pass arc hole (815).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696741.1U CN213779860U (en) | 2020-11-19 | 2020-11-19 | Dustproof device of atomic absorption spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696741.1U CN213779860U (en) | 2020-11-19 | 2020-11-19 | Dustproof device of atomic absorption spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779860U true CN213779860U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022696741.1U Active CN213779860U (en) | 2020-11-19 | 2020-11-19 | Dustproof device of atomic absorption spectrometer |
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|---|---|
| CN (1) | CN213779860U (en) |
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- 2020-11-19 CN CN202022696741.1U patent/CN213779860U/en active Active
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