CN211978728U

CN211978728U - Sample box device for fluorescence analysis instrument

Info

Publication number: CN211978728U
Application number: CN202020608356.4U
Authority: CN
Inventors: 谢凯信; 贾姝姝; 肖秀仙
Original assignee: Taiyuan Normal University
Current assignee: Taiyuan Normal University
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-20
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a sample box device for fluorescence analysis instrument, comprises a box bod, the sliding seat, elevating gear, the box body upper end is equipped with the top cap, the top cap is equipped with a plurality of through-holes, it is equipped with the sample cell that is used for placing the sample to correspond the through-hole on the sliding seat, be equipped with the spout in the box body, the sliding seat slides and sets up in the spout, the outer terminal surface of sliding seat is equipped with the rack, the box body is by outer and interior pivot that is equipped with, the end fixing that the pivot is located the box body is equipped with the deflector, the both ends symmetry of deflector is equipped with the motion arm that has the trip, through spring coupling between two motion arms, the upper end of deflector is equipped with the motion pole, it is equipped with locking stop device to correspond the motion pole on the top cap, the inside deflector that corresponds of box body is equipped with the butt frame, the. The utility model discloses can avoid the direct contact of tester and sample, make things convenient for the use and the storage of sample.

Description

Sample box device for fluorescence analysis instrument

Technical Field

The utility model relates to an analysis sample box technical field especially relates to a sample box device for fluorescence analysis instrument.

Background

With the implementation of the european union ROHS directive, electronic factories need to strictly control the content of harmful substances such as cadmium, mercury, polybrominated biphenyls, polybrominated diphenyl ethers, hexavalent chromium, lead, etc. in products. Wherein the maximum allowable content of lead, mercury, hexavalent chromium, polybrominated diphenyl and polybrominated diphenyl ether is 0.1 percent, and the maximum allowable content of cadmium is 0.01 percent. There are many methods for detecting the ROHS of electronic products, wherein, the X-ray fluorescence spectrum analysis method is widely applied to ROHS detection due to the characteristics of fast analysis speed, no need of pretreatment of samples, and the like. The X-ray fluorescence spectrometer analysis method is a relative measurement method, a standard sample with accurately calibrated content is used for making a working curve, when a sample is tested, a measured signal is converted into corresponding component content through the working curve, in addition, the X-ray fluorescence spectrometer is used, a correction sample is required to be periodically used for checking, and an internal control sample is required to be used for monitoring the drift amount of the working curve. The standard sample, the correction sample, the internal control sample and the sample to be detected for detecting the harmful substances all contain toxic and harmful substances, and in the taking process of the sample, an operator can contact the sample to influence the health of the operator, and in addition, a plurality of samples with different concentrations are needed to be used for manufacturing a working curve, a correction instrument and the like. Therefore, it is a problem to be solved to provide an X-ray fluorescence spectrum analysis sample and a sample box, which can prevent an operator from contacting the sample during the sample taking process and can provide a plurality of samples simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the sample box device for the fluorescence analysis instrument is provided, so that direct contact between a tester and a sample is avoided, and the use and storage of the sample are facilitated.

The sample box device for the fluorescence analysis instrument comprises a box body, a movable seat arranged in the box body and a lifting device used for driving the movable seat to move up and down, wherein the upper end of the box body is provided with an opening and a top cover, the top cover is provided with a plurality of through holes, sample tubes used for placing samples are arranged on the movable seat corresponding to the through holes, a chute is arranged in the box body, the movable seat is arranged in the chute in a sliding manner, the outer end surface of the movable seat is provided with a rack, the box body is provided with a rotating shaft from outside to inside, the end part of the rotating shaft positioned in the box body is fixedly provided with a deflection plate, two ends of the deflection plate are symmetrically provided with moving arms with clamping hooks, the moving arms are arranged at one side close to the rack, the clamping hooks are matched with the rack, and the two moving arms are connected through springs, the upper end of deflector is provided with the motion pole, the motion pole extends to set up the outside of top cap, correspond on the top cap the motion pole is provided with locking stop device, locking stop device is used for fixing the position of motion pole, the box body is inside to be corresponded the deflector is provided with the butt frame, the butt frame is used for restricting the extreme position of deflector, the box body is inside to be corresponded the pivot is provided with the guide way, the outer end of pivot extends to set up in the box body outside to the tip is provided with the handle.

As a further improvement of the above scheme, the locking and limiting device comprises a limiting stop lever rotationally arranged on the top cover and a nut used for fixing the limiting stop lever on the top cover.

A plurality of buffer springs are laid in the box body corresponding to the bottom of the movable seat.

As a further improvement of the scheme, the rotating shaft is coaxially provided with a limiting sleeve, and the guide groove is provided with a limiting groove corresponding to the limiting sleeve.

As a further improvement of the above solution, the through holes are provided with four and symmetrically distributed about the center of the top cover.

As a further improvement of the above scheme, the movable seat is provided with a slot corresponding to the sample tube.

As a further improvement of the scheme, the upper end of the top cover is provided with a T-shaped groove corresponding to the motion track of the motion rod.

The utility model has the advantages that:

compared with the prior art, the utility model provides a sample box device for fluorescence analysis instrument, when using, need not to open the top cap, through handle promotion pivot along the guide way motion to with the butt frame contact, at this moment, the trip and the rack of motion arm are in the coplanar, through the left and right swing motion pole, make the motion pole use the pivot as the centre of a circle, do the arcuate motion in a certain extent, rely on the spring tension effect between the motion arm, make the trip of both sides always with the rack contact, the motion arm of both sides is in the state of "high left side low right side low" alternately, because the setting of trip and rack, make in such alternate motion, the rack can not drop with the trip (rely on the tightening force of spring), and then drive the sliding seat upward movement along the spout, and then upwards carry the sample tube that is located on the sliding seat, until the sample tube emits the through-hole that is located on the top cap, through the fixed position of locking stop device with the motion pole, put into the test room with complete equipment and carry out nondestructive test, after the test finishes, stop earlier locking stop device spacing to the motion pole, with the outside pulling of handle for the pivot moves to trip and rack break away from the contact along the guide way, and the sliding seat slides to the box body bottom along the spout, accomplishes whole test. Because in the whole testing process, direct contact between testing personnel and the sample is completely avoided, the use and storage of the sample are facilitated, the stability of the sample value is facilitated, the accuracy of the measuring result is improved, and the health of the analyzing personnel is also ensured.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural diagram of the top cover of the present invention.

Detailed Description

As shown in FIGS. 1-2, the utility model provides a sample box device for fluorescence analyzer, which comprises a box body, a movable seat 3 disposed in the box body, and a lifting device for driving the movable seat 3 to move up and down, wherein the upper end of the box body is open and provided with a top cover 1, the top cover 1 is provided with a plurality of through holes 2, a sample tube for placing a sample is disposed on the movable seat 3 corresponding to the through holes 2, a chute is disposed in the box body, the movable seat 3 is slidably disposed in the chute, a rack 4 is disposed on the outer end surface of the movable seat 3, a rotating shaft 5 is disposed from outside to inside of the box body, a deflector 6 is fixedly disposed at the end part of the rotating shaft 5 in the box body, moving arms 8 with hooks 7 are symmetrically disposed at the two ends of the deflector 6, the moving arms 8 are disposed at one side close to the rack 4, the hooks 7 are disposed in cooperation with the rack 4, the upper end of deflector 6 is provided with motion pole 10, motion pole 10 extends the outside that sets up at top cap 1, it is provided with locking stop device to correspond motion pole 10 on top cap 1, locking stop device is used for the position of fixed motion pole 10, the inside deflector 6 that corresponds of box body is provided with butt frame 12, butt frame 12 is used for restricting the extreme position of deflector 6, the inside pivot 5 that corresponds of box body is provided with the guide way, the outer end of pivot 5 extends the setting outside the box body, and the tip is provided with handle 11.

In a further improvement, the locking and limiting device comprises a limiting stop lever rotatably arranged on the top cover 1 and a nut 13 used for fixing the limiting stop lever 16 on the top cover 1. When the device is used, the position of the motion rod 10 is limited by the abutting of the limit stop lever 16 and the motion rod 10, the position of the motion rod 10 is unchanged, the positions of the two motion arms 8 arranged on the motion rod are also unchanged, and further, the position of the rack 4 is also unchanged, and the position of the movable seat 3 is also unchanged.

Inside 3 bottoms of corresponding sliding seat of box body have laid a plurality of buffer spring, and when 3 landing downwards of sliding seat, buffer spring reduces its impact force that receives, and is further, can pass through many times of debugging for buffer spring's elastic coefficient satisfies, neither influences sliding seat 3 and receives a series of interlock upward movements of motion bar 10, when not influencing sliding seat 3 landing again, weakens the effect to its buffer power.

In a further improvement, the rotating shaft 5 is coaxially provided with a limiting sleeve 14, and the guide groove is provided with a limiting groove corresponding to the limiting sleeve 14.

Further improved, the through holes 2 are provided in four and are symmetrically distributed about the center of the top cover 1.

Further improved, the movable seat 3 is provided with a slot corresponding to the sample tube.

In a further improvement, the upper end of the top cover 1 is provided with a T-shaped groove 15 corresponding to the motion track of the motion rod 10.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. A sample cartridge apparatus for a fluorescence analysis instrument, comprising: the sample storage box comprises a box body, a movable seat arranged in the box body and a lifting device used for driving the movable seat to move up and down, wherein the upper end of the box body is provided with an opening and a top cover, the top cover is provided with a plurality of through holes, sample tubes used for placing samples are arranged on the movable seat corresponding to the through holes, a sliding groove is arranged in the box body, the movable seat is arranged in the sliding groove in a sliding manner, a rack is arranged on the outer end face of the movable seat, a rotating shaft is arranged in the box body from outside to inside, a deflection plate is fixedly arranged at the end part of the rotating shaft positioned in the box body, moving arms with clamping hooks are symmetrically arranged at the two ends of the deflection plate, the moving arms are arranged on one side close to the rack, the clamping hooks are matched with the rack, the two moving arms are connected through springs, a moving rod is arranged at the upper end, the top cover is provided with a locking limiting device corresponding to the motion rod, the locking limiting device is used for fixing the position of the motion rod, the box body is internally corresponding to the deflection plate and is provided with a butt frame, the butt frame is used for limiting the limit position of the deflection plate, the box body is internally corresponding to the rotating shaft and is provided with a guide groove, the outer end of the rotating shaft extends to be arranged outside the box body, and the end part of the rotating shaft is provided with a handle.

2. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: the locking and limiting device comprises a limiting stop lever which is rotatably arranged on the top cover and a nut which is used for fixing the limiting stop lever on the top cover.

3. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: a plurality of buffer springs are laid in the box body corresponding to the bottom of the movable seat.

4. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: the rotating shaft is coaxially provided with a limiting sleeve, and the guide groove is provided with a limiting groove corresponding to the limiting sleeve.

5. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: the through holes are four in number and are symmetrically distributed about the center of the top cover.

6. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: and the movable seat is provided with a slot corresponding to the sample tube.

7. A sample cartridge device for a fluorescence analysis instrument according to claim 1, wherein: the upper end of the top cover is provided with a T-shaped groove corresponding to the motion track of the motion rod.