CN203444772U - Radioactive source containing box - Google Patents
Radioactive source containing box Download PDFInfo
- Publication number
- CN203444772U CN203444772U CN201320497662.5U CN201320497662U CN203444772U CN 203444772 U CN203444772 U CN 203444772U CN 201320497662 U CN201320497662 U CN 201320497662U CN 203444772 U CN203444772 U CN 203444772U
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- CN
- China
- Prior art keywords
- radioactive source
- radiation hole
- box body
- guide ledges
- box cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a radioactive source containing box, comprising a box body and a box cover. The box body is coaxially provided with a radioactive source chamber. The middle part of the box cover is provided with a first radiation hole. The bottom part of the box cover is provided with a guiding boss. The outer side wall of the guiding boss is in clearance fit with the inner side wall of the radioactive source chamber. The middle part of the guiding boss is provided with a second radiation hole communicated with the first radiation hole. By arranging the guiding boss in clearance fit with the inner side wall of the radioactive source chamber, the radiation holes are ensured to be always located in the central position of the box body after the box cover is covered, so that the outgoing angle of an [alpha], [beta], or [gamma] ray emitted by a radioactive source is guaranteed and the detection precision of an X-ray fluorescence measurement apparatus is ensured. At the same time, the thickness of the box cover is also increased by the guiding boss so that the ray alignment effect is improved while the radioactivity ray shielding effect is enhanced.
Description
Technical field
The utility model relates to fluorescence measurement equipment technical field, specifically a kind of radioactive source holder.
Background technology
In existing XRF measurement mechanism, the source holder of sealed radioactive source is plumbous box, and this lead box is comprised of cylindrical box body and lid, and radioactive source is placed in box body, and lid is placed on box body top, and the central authorities of lid offer radiation hole.In said structure, owing to there is no the spacing structure of horizontal direction between lid and box body, causing radiating hole is difficult to align with the central axis of box body, can have influence on like this α, β or the gamma-ray ejaculation angle of radioactive source transmitting, thereby have influence on the accuracy of detection of XRF measurement mechanism, in addition, in existing structure, the thinner thickness of lid is poor to the shield effectiveness of radioactive ray, has certain potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide a kind of radioactive source holder for above-mentioned deficiency, and this holder can guarantee the centering in radiation hole, improves the shield effectiveness to radioactive ray simultaneously.
The utility model is achieved in that and comprises that the box body, the middle part that are coaxially provided with source compartment are provided with the lid in the first radiation hole, it is characterized in that: the bottom of described lid is provided with guide ledges, the madial wall clearance fit of the lateral wall of described guide ledges and source compartment, the middle part of described guide ledges offers the second radiation hole being communicated with the first radiation hole.
Described lid, box body, source compartment and guide ledges are cylindrical-shaped structure.
The degree of depth of described source compartment is 9～11mm, and the axial length of described guide ledges is 3～5mm.
Described the first radiation hole and the second radiation Kong Weitong aperture, coaxial core setting.
The utility model is the guide ledges with the madial wall clearance fit of source compartment by setting, guaranteed that lid covers the center that rear radiation hole is positioned at box body all the time, guarantee α, β or the gamma-ray ejaculation angle of radioactive source transmitting, guaranteed the accuracy of detection of XRF measurement mechanism.Meanwhile, guide ledges has also increased the thickness of lid, has improved the collimation effect of ray in the shield effectiveness that has improved radioactive ray.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 be in the utility model lid look up structural representation.
Fig. 3 is the plan structure schematic diagram of box body in the utility model.
Wherein, 1-lid, 2-box body, 3-the first radiation hole, 4-source compartment, 5-guide ledges, 6-the second radiation hole.
Embodiment
Below in conjunction with drawings and Examples, further illustrate the utility model.
Embodiment: as shown in Figures 1 to 3, comprise that the box body 2, the middle part that are coaxially provided with source compartment 4 are provided with the lid 1 in the first radiation hole 3, the bottom of described lid 1 is provided with guide ledges 5, the madial wall clearance fit of the lateral wall of described guide ledges 5 and source compartment 4, the middle part of described guide ledges 5 offers the second radiation hole 6 being communicated with the first radiation hole 3, becomes the utility model.
In technique scheme, described lid 1, box body 2, source compartment 4 and guide ledges 5 are cylindrical-shaped structure.The degree of depth of source compartment 4 is 9～11mm, and the axial length of described guide ledges 5 is 3～5mm.
In technique scheme, described the first radiation hole 3 and the second radiation hole 6 are same aperture, coaxial core setting.
In technique scheme, lid 1 and guide ledges 5 are integral type structure.
In technique scheme, the external diameter of box body 2 is 20mm, and the internal diameter of box body 2 (being source compartment 4 diameters) is that the height of 11mm, box body 2 is that dark (being the degree of depth of source compartment 4) of 18mm, box body 2 is for 10mm.The diameter of above-mentioned guide ledges 5 is 10mm, and the height overall of lid 1 is 8mm.
In technique scheme, box body 2 and lid 1 process by high-precision numerical control machine turning by pure tungsten rod, the shield effectiveness that pure tungsten hardness is high, can further improve radioactive source holder.
The utility model when work: by adjusting the radiation axially bored line of radioactive source holder and XRF measurement mechanism in suitable angle.α, β or the gamma-rays of radioactive source transmitting are mated with XRF measurement mechanism.
Claims (5)
1. a radioactive source holder, comprise that the box body (2), the middle part that are coaxially provided with source compartment (4) are provided with the lid (1) in the first radiation hole (3), it is characterized in that: the bottom of described lid (1) is provided with guide ledges (5), the madial wall clearance fit of the lateral wall of described guide ledges (5) and source compartment (4), the middle part of described guide ledges (5) offers the second radiation hole (6) being communicated with the first radiation hole (3).
2. radioactive source holder according to claim 1, is characterized in that: described lid (1), box body (2), source compartment (4) and guide ledges (5) are cylindrical-shaped structure.
3. radioactive source holder according to claim 1 and 2, is characterized in that: the degree of depth of source compartment (4) is 9～11mm, and the axial length of described guide ledges (5) is 3～5mm.
4. radioactive source holder according to claim 1 and 2, is characterized in that: described the first radiation hole (3) and the second radiation hole (6) are same aperture, coaxial core setting.
5. radioactive source holder according to claim 3, is characterized in that: described the first radiation hole (3) and the second radiation hole (6) are same aperture, coaxial core setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497662.5U CN203444772U (en) | 2013-08-14 | 2013-08-14 | Radioactive source containing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497662.5U CN203444772U (en) | 2013-08-14 | 2013-08-14 | Radioactive source containing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444772U true CN203444772U (en) | 2014-02-19 |
Family
ID=50095800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320497662.5U Expired - Fee Related CN203444772U (en) | 2013-08-14 | 2013-08-14 | Radioactive source containing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824606A (en) * | 2014-03-12 | 2014-05-28 | 首都师范大学 | Safe radiation shielding system for sample radiation and operation method thereof |
-
2013
- 2013-08-14 CN CN201320497662.5U patent/CN203444772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824606A (en) * | 2014-03-12 | 2014-05-28 | 首都师范大学 | Safe radiation shielding system for sample radiation and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140219 Termination date: 20160814 |