CN206057165U - A kind of powder sample clamping device for transmitted spectrum detection - Google Patents
A kind of powder sample clamping device for transmitted spectrum detection Download PDFInfo
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- CN206057165U CN206057165U CN201621092501.8U CN201621092501U CN206057165U CN 206057165 U CN206057165 U CN 206057165U CN 201621092501 U CN201621092501 U CN 201621092501U CN 206057165 U CN206057165 U CN 206057165U
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- sample
- transmission element
- housing
- clamping device
- securing member
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Abstract
The utility model discloses the powder sample clamping device detected for transmitted spectrum, including housing, the first transmission element, the second transmission element, sample fixture and securing member；Housing be column structure and central authorities it is axially disposed have cylindrical groove, loophole and annular projection are provided with the top of housing, on the lower end inner ring of cylindrical groove, internal thread segment is provided with；Sample fixture is the T-shaped boss structure of column, sample fixture central authorities are axially disposed first through hole, the upper edge of first through hole is equipped with cannelure, and the first transmission element is arranged between the upper surface and cannelure of the bottom of cannelure and the first transmission element and is formed with sample cell；Second transmission element is arranged between the upper surface of housing and sample fixture；Securing member is column inverted T shape boss structure and central authorities are axially disposed the second through hole, and the upper end buttress shaft of securing member is provided with external thread section match with internal thread segment in vitro on circle, and securing member is sleeved on the lower end buttress shaft of sample fixture in vitro and is connected with housing.
Description
Technical field
This utility model belong to experiment apparatus technical field, more particularly, be related to it is a kind of for transmitted spectrum detection
Powder sample clamping device.
Background technology
Spectral detection is a kind of ripe and very conventional detection meanss and detection method.Wherein, transmitted spectrum is detected again
It is a kind of common method therein.
When being detected to solid powder sample with transmitted spectrum, by needing to carry out powder sample sample preparation.Current institute
Mode is that powder sample is placed between two pieces of quartz glass, then by the pressurizing unit of a screw shell structure to glass
Glass piece carries out extruding fixation.In extrusion process, powder sample can spill into helicitic texture from sheet glass surrounding and affect spiral shell
Stricture of vagina is screwed.Meanwhile, in screwing operations, the displacement of compressive plane is not fully equal, and device itself cannot be to sample for screw thread
The distribution of product layer is adjusted, and causes the uniformity and flatness of sample layer inconsistent.It is excessive that side sample distribution often occurs in Jing
And overflow in a large number, other side but has the phenomenon that there is sample layer disappearance.Now, in screwing operations, lower end quartz glass plate
Unbalance stress, easily there is fragmentation.In addition, when needing to carry out repeated measure to sample, it is difficult to ensure that sample layer compactness
And the repeatability of the uniformity, cause the poor repeatability of testing result.When the sample for preparing is co-mounted to together with pressurizing unit
During the specimen holder that equipment is carried, and because lacking localization method, and the grip force skewness of specimen holder, pressurizing unit is caused to come off
Or be difficult to be fitted in instrument optical window plane, the stability and reliability of testing result are difficult to ensure.
Utility model content
Powder when when detecting for solid powder sample to solve current transmitted spectrum prepared by existing powder sample
Sample layer compactness, the uniformity are difficult to the problem for ensureing, the purpose of this utility model is to provide one kind and can improve transmitted spectrum
The powder sample clamping device of the repeatability, stability and reliability of testing result.
This utility model provide for transmitted spectrum detection powder sample clamping device, described device include housing,
First transmission element, the second transmission element, sample fixture and securing member；Wherein,
The housing be column structure and central authorities it is axially disposed have cylindrical groove, be provided with the top of the housing and post
The loophole and ring of the connection of shape groove are located at the annular projection of loophole outer ledge, are provided with the lower end inner ring of the cylindrical groove
Internal thread segment；
The sample fixture is the T-shaped boss structure of column and is arranged in the cylindrical groove of the housing that sample is fixed
The axially disposed upper edge for having first through hole, the first through hole in part central authorities is equipped with cannelure, first transmission element
It is arranged between the bottom of cannelure and the upper surface and cannelure of first transmission element and is formed with sample cell, sample cell
Periphery is provided with the spilling sample collection pond of adjacent sample cell；
Second transmission element is arranged between the upper surface of housing and sample fixture；
The securing member is column inverted T shape boss structure and axially disposed there are the second through hole, the securing member in central authorities
Upper end buttress shaft be in vitro provided with external thread section match with the internal thread segment on circle, the securing member is by its second through hole
It is sleeved on the lower end buttress shaft of sample fixture and is connected with housing in vitro and by screw thread and realizes the fastening to sample fixture.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection, the housing according to this utility model
Top surface be provided with the front buffer gasket of ring-type, the front buffer gasket is arranged around the loophole and annular projection, wherein,
The front buffer gasket is black strength EVA sponge.
The one embodiment for the powder sample clamping device detected for transmitted spectrum according to this utility model, described first
Upper surface of the upper surface of transmission element less than sample fixture, the depth of the sample cell is 0.5～1mm and sample cell edge is
Ramp shaped structure.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection according to this utility model, described the
One transmission element is far ultraviolet quartz glass plate, and second transmission element is quartz glass plate.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection, the fastening according to this utility model
The polytetrafluoroethylene gasket of ring-type is provided between the upper surface of part and the step plane of sample fixture.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection, the housing according to this utility model
The thick damaged surface in the lower end of outer surface and securing member be provided with knurling structure, the external diameter of the thick cylinder in lower end of the securing member
It is equal with the external diameter of the housing.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection, the fastening according to this utility model
The bottom surface of part is provided with the rear buffer gasket of ring-type, wherein, the rear buffer gasket is black strength EVA sponge.
It is used for one embodiment of the powder sample clamping device of transmitted spectrum detection, the printing opacity according to this utility model
The equal diameters of the diameter in hole and the first through hole, the diameter of the diameter of the first through hole less than the second through hole.
Compared with prior art, the powder sample clamping device for head spectral detection that this utility model is provided, solves
Current transmitted spectrum is used for powder sample layer existing when solid powder sample is detected, and to prepare difficult, powder sample layer tight
Degree and the uniformity are difficult to the problems such as ensureing, while also added location structure.This utility model can improve clamping powder bed
The uniformity, degree of compaction and surface smoothness, while can also prevent from spilling outside excessive powder and polluting clamping device and testing equipment, fill
Simple structure and easily operated use are put, sample is facilitated implementation and is reclaimed and device cleaning maintenance, be conducive to improving testing result
Repeatability, stability and reliability.
Description of the drawings
Fig. 1 shows the clamping dress of powder sample for transmitted spectrum detection according to this utility model exemplary embodiment
The structure principle chart put.
Description of reference numerals：
10- housings, 11- loopholes, 12- annular projections, 13- internal thread segments, 20- securing members, the second through holes of 21-, 30- samples
Product fixture, 31- first through hole, 32- endless grooves, the first transmission elements of 33-, 34- sample cells, 35- overflow sample collection pond, 40-
Buffer gasket after buffer gasket, 70- before second transmission element, 50- polytetrafluoroethylene gaskets, 60-.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can be replaced by other equivalent or alternative features with similar purpose.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The structure and principle for being first used for the powder sample clamping device of transmitted spectrum detection below to this utility model is carried out
Detailed description.
Fig. 1 shows the clamping dress of powder sample for transmitted spectrum detection according to this utility model exemplary embodiment
The structure principle chart put.
As shown in figure 1, according to exemplary embodiment of the present utility model, the powder sample for transmitted spectrum detection
Clamping device includes housing 10, the first transmission element 33, the second transmission element 40, sample fixture 30 and securing member 20, said structure
Connection is integral and realizes the clamping of powder sample, and it is existing when detecting for solid powder sample to solve current transmitted spectrum
Powder sample layer prepare difficult, powder sample layer compactness and the uniformity is difficult to the problems such as ensureing.
Specifically, housing 10 be column structure and central authorities it is axially disposed have cylindrical groove, wherein, cylindrical groove be used for accommodate
The parts such as the first transmission element 33, the second transmission element 40, sample fixture 30 and securing member 20.The top of housing 10 is provided with and post
The loophole 11 and ring of the connection of shape groove are located at the annular projection 12 of 11 outer ledge of loophole, arrange on the lower end inner ring of cylindrical groove
There is internal thread segment 13.
Wherein, the annular projection 12 for arranging around the loophole 11 can device using when set be connected to light spectrum detecting apparatus
Circular hole optical window in, be easy to fixed and can prevent clamping device from dropping.Preferably, before the top surface of housing 10 is provided with ring-type
Buffer gasket 60, front buffer gasket 60 are arranged around loophole 11 and annular projection 12, wherein, front buffer gasket 60 is preferably
Black strength EVA sponge.Specifically, front buffer gasket 60 can be adhesively fixed on the upper surface of housing 10 by double faced adhesive tape,
When clamping device is fixed on instrument optical window front end by the alligator clamp of instrument institute band, buffer gasket can be with buffer clamp device because receiving
The faint tilt problem that power is uneven and produces, the plane of simultaneous buffering packing ring can also increasing friction force, prevent clamping device from dropping.
Meanwhile, the design of buffer gasket before annular projection and black can also effectively prevent ambient from entering detection light path, weaken extraneous
Impact of the light to testing result.In addition, annular projection is socketed in inside the circular hole optical window of light spectrum detecting apparatus, can also protect
The Repeatability and Reproducibility of card sample measured position, is conducive to the stability and repeatability of testing result.
Sample fixture 30 is the T-shaped boss structure of column and is arranged in the cylindrical groove of housing 10 so that powder sample to be had
Effect is fixed in clamping device, wherein, sample fixture 30 has the thick cylinder in upper end and lower end buttress shaft body, thick cylinder and buttress shaft body
Between have step surface.30 central authorities of sample fixture are axially disposed first through hole 31, the upper edge ring of first through hole 31
Cannelure 32 is provided with, the first transmission element 33 is arranged on the upper surface and cannelure of the bottom of cannelure 32 and the first transmission element 33
Sample cell 34 is formed between 32, the periphery of sample cell 34 is provided with the spilling sample collection pond 35 of adjacent sample cell 34.
Preferably, upper surface of the upper surface of the first transmission element 33 less than sample fixture 30, then first transmission element 33
Upper surface can between sample fixture 30 and cannelure 32 the conglobate sample cell 34 of shape, the depth of sample cell 34 is 0.5
～1mm and 34 edge of sample cell are ramp shaped structure.Wherein, the first transmission element 33 is preferably far ultraviolet quartz glass plate, using remote
Ultraviolet quartz glass plate can improve the transmitance of ultraviolet light spectral coverage light.
Can collect and powder sample be accommodated in folder in the spilling sample collection pond 35 of the annular arranged around sample cell 34
Gu during the redundant sample that overflows, and effectively prevent powder sample from spilling in installation process and pollute.Also, in powder
Sample it is clamping after the completion of, during sample cell 34 and the ring-like spacer overflowed between sample collection pond 35 can prevent sample cell 34 again
Powder sample movement even leak into and overflow sample collection pond 35 and the sample powder layer that causes to be compacted becomes loose, contribute in peace
Dress and detection sample during ensure sample flatness and the uniformity and improve testing result stability, repeatability and can
By property.
Second transmission element 40 is arranged between the upper surface of housing 10 and sample fixture 30, wherein, the second transmission element 40
Preferably quartz glass plate.Powder sample is extruded to form thickness by the first transmission element 33 and the second transmission element 40 as two planes
Uniform sample layer, after the detection light path for loading instrument, detection light can pass through second to device of the present utility model successively
The photosensitive detection part of instrument is reached after transmission element 40, sample layer, the first transmission element 33, the detection of transmitted spectrum is completed.
Securing member 20 be column inverted T shape boss structure and central authorities it is axially disposed have the second through hole 21, wherein, securing member
20 also have the thick cylinder of upper end buttress shaft body and lower end, have step surface between buttress shaft body and thick cylinder.The upper end of securing member 20 is thin
The external thread section matched with internal thread segment 13 is provided with cylinder outer ring, securing member 20 is sleeved on sample by its second through hole 21
The lower end buttress shaft of fixture 30 is connected with housing 10 in vitro and by screw thread and realizes the fastening to sample fixture 30.
When securing member 20 is screwed by screw thread, securing member 20 is pressed with housing 10, and then to the second transmission element 40 and sample
Fixture 30 produces extruding, completes the compacting to powder sample in sample cell 34.During extruding is screwed, the second transmission element
Swing offset is not produced between 40 and sample fixture 30, the extruding of powder sample is extruded all from the plane of axial direction, more
Can guarantee that the flatness and uniformity of powder sample.Preferably, the upper surface of securing member 20 is put down with the step of sample fixture 30
The polytetrafluoroethylene gasket 50 of ring-type is provided between face, due to the self lubricity on 50 surface of polytetrafluoroethylene gasket, Neng Gouyou
Effect prevents securing member 20 when screwing because being rubbed by produced between securing member 20 and the step plane of sample fixture 30
Power is acted on and drives sample fixture 30 to rotate and cause fixture in-plane displancement inconsistent, or even affects the table of powder sample layer
The problem of surface evenness.Meanwhile, polytetrafluoroethylene gasket 50 also acts cushioning effect, effectively weakens securing member 20 and revolves in screw thread
The in-plane displancement difference brought during tight.It is highly preferred that the thick cylinder table in the lower end of the outer surface of housing 10 and securing member 20
Face is provided with knurling structure, is easy to handss to twist operation；Meanwhile, the external diameter of the thick cylinder in lower end of securing member 20 and the external diameter of housing 10
It is equal, to ensure the attractive in appearance and ease of use of device.
Additionally, the bottom surface of securing member 20 is additionally provided with the rear buffer gasket 70 of ring-type, wherein, rear buffer gasket 70 is black
Strength EVA sponge.Specifically, rear buffer gasket 70 can be adhesively fixed on the bottom surface of securing member 20 by double faced adhesive tape, work as folder
Be fixedly mounted with put by instrument institute band alligator clamp fix when, rear buffer gasket 70 is contacted with the pushing face of instrument alligator clamp, can be effective
The faint tilt problem that buffer clamp device is produced because of unbalance stress, the plane of simultaneous buffering packing ring can also increasing friction force,
Prevent clamping device from dropping.
Additionally, the equal diameters of the diameter of loophole 11 and first through hole 31 are to ensure light transmittance, first through hole 31 it is straight
Footpath is filled on the lower end buttress shaft body of sample fixture 30 with ensureing that securing member 20 can cover less than the diameter of the second through hole 21.
Wherein, the transmitted spectrum detection for carrying out to powder sample in this utility model can be using existing equipment and existing side
Method is carried out, and this utility model is not particularly limited to this.Of the present utility model it is critical only that is provided for transmitted spectrum inspection
The powder sample clamping device of survey, reliably and efficiently solves problems of the prior art.
In sum, this utility model is provided powder sample clamping device and method for transmitted spectrum detection, solution
It is tight that current transmitted spectrum of having determined is used for powder sample layer preparation difficulty existing when solid powder sample is detected, powder sample layer
Density and the uniformity are difficult to the problems such as ensureing, while also added location structure.This utility model can improve the clamping powder bed of institute
The uniformity, degree of compaction and surface smoothness, while can also prevent from spilling outside excessive powder and polluting clamping device and testing equipment,
Apparatus structure is simple and easily operated use, facilitates implementation that sample is reclaimed and device cleaning is safeguarded, is conducive to improving testing result
Repeatability, stability and reliability.
This utility model is not limited to aforesaid specific embodiment.This utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and the arbitrary new method that discloses or the step of process or any new group
Close.
Claims (8)
1. it is a kind of for transmitted spectrum detection powder sample clamping device, it is characterised in that described device include housing, first
Transmission element, the second transmission element, sample fixture and securing member；Wherein,
The housing be column structure and central authorities it is axially disposed have cylindrical groove, be provided with the top of the housing and cylindrical groove
The loophole and ring of connection are located at the annular projection of loophole outer ledge, are provided with interior spiral shell on the lower end inner ring of the cylindrical groove
Stricture of vagina section；
The sample fixture is the T-shaped boss structure of column and is arranged in the cylindrical groove of the housing, in sample fixture
The axially disposed upper edge for having first through hole, the first through hole in centre is equipped with cannelure, and first transmission element is arranged
Sample cell, the periphery of sample cell are formed with the bottom of cannelure and between the upper surface and cannelure of first transmission element
It is provided with the spilling sample collection pond of adjacent sample cell；
Second transmission element is arranged between the upper surface of housing and sample fixture；
The securing member is column inverted T shape boss structure and central authorities are axially disposed the second through hole, the securing member it is upper
End buttress shaft is enclosed in vitro and is provided with the external thread section matched with the internal thread segment, and the securing member is set with by its second through hole
It is connected with housing in vitro and by screw thread and realizes the fastening to sample fixture in the lower end buttress shaft of sample fixture.
2. it is according to claim 1 for transmitted spectrum detection powder sample clamping device, it is characterised in that the shell
The top surface of body is provided with the front buffer gasket of ring-type, and the front buffer gasket is arranged around the loophole and annular projection, its
In, the front buffer gasket is black strength EVA sponge.
3. the powder sample clamping device for transmitted spectrum detection according to claim 1, it is characterised in that described the
Upper surface of the upper surface of one transmission element less than sample fixture, the depth of the sample cell is 0.5～1mm and sample cell edge
For ramp shaped structure.
4. the powder sample clamping device for transmitted spectrum detection according to claim 1, it is characterised in that described the
One transmission element is far ultraviolet quartz glass plate, and second transmission element is quartz glass plate.
5. the powder sample clamping device for transmitted spectrum detection according to claim 1, it is characterised in that described tight
The polytetrafluoroethylene gasket of ring-type is provided between the upper surface of firmware and the step plane of sample fixture.
6. it is according to claim 1 for transmitted spectrum detection powder sample clamping device, it is characterised in that the shell
The thick damaged surface in lower end of the outer surface and securing member of body is provided with knurling structure, outside the thick cylinder in lower end of the securing member
Footpath is equal with the external diameter of the housing.
7. the powder sample clamping device for transmitted spectrum detection according to claim 1, it is characterised in that described tight
The bottom surface of firmware is provided with the rear buffer gasket of ring-type, wherein, the rear buffer gasket is black strength EVA sponge.
8. it is according to claim 1 for transmitted spectrum detection powder sample clamping device, it is characterised in that it is described
The equal diameters of the diameter of unthreaded hole and the first through hole, the diameter of the diameter of the first through hole less than the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092501.8U CN206057165U (en) | 2016-09-29 | 2016-09-29 | A kind of powder sample clamping device for transmitted spectrum detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092501.8U CN206057165U (en) | 2016-09-29 | 2016-09-29 | A kind of powder sample clamping device for transmitted spectrum detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057165U true CN206057165U (en) | 2017-03-29 |
Family
ID=58366892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092501.8U Expired - Fee Related CN206057165U (en) | 2016-09-29 | 2016-09-29 | A kind of powder sample clamping device for transmitted spectrum detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696403A (en) * | 2017-10-23 | 2019-04-30 | 中国科学院重庆绿色智能技术研究院 | A kind of sample room for immersion micro-imaging |
| CN114112977A (en) * | 2021-11-22 | 2022-03-01 | 哈尔滨爱威斯医药科技有限公司 | Quick detection device of medicine raw materials |
-
2016
- 2016-09-29 CN CN201621092501.8U patent/CN206057165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696403A (en) * | 2017-10-23 | 2019-04-30 | 中国科学院重庆绿色智能技术研究院 | A kind of sample room for immersion micro-imaging |
| CN114112977A (en) * | 2021-11-22 | 2022-03-01 | 哈尔滨爱威斯医药科技有限公司 | Quick detection device of medicine raw materials |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20210929 |