CN203898333U - Collimator and X-ray imaging device - Google Patents
Collimator and X-ray imaging device Download PDFInfo
- Publication number
- CN203898333U CN203898333U CN201420228942.0U CN201420228942U CN203898333U CN 203898333 U CN203898333 U CN 203898333U CN 201420228942 U CN201420228942 U CN 201420228942U CN 203898333 U CN203898333 U CN 203898333U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 36
- 230000000903 blocking effect Effects 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims 2
- 230000033001 locomotion Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a collimator of an X-ray imaging device. First shielding plates (20a and 20b) are capable of moving in a first shielding direction and the reverse direction thereof so that the space between the first shielding plates can be reduced or increased. Second shielding plates (30a and 30b) are capable of moving in a second shielding direction perpendicular to the first shielding direction and the reverse direction of the second shielding direction so that the space between the second shielding plates can be reduced or increased. One first shielding plate is connected to a first chain section (42), while the other first shielding plate is connected to a second chain section (44). A first driving motor (50) rotates to drive the first chain section or the second chain section to move in the first shielding direction and the second chain section or the first chain section to move in the reverse direction of the first shielding direction. One second shielding plate is connected to the third chain section (62), while the other second shielding plate is connected to the fourth chain section (64). A second driving motor (70) rotates to drive the third chain section or the fourth chain section to move in the second shielding direction and the fourth chain section or the third chain section to move in the reverse direction of the second shielding direction.
Description
Technical field
This utility model relates to a kind of for blocking the light concentrator of X ray, relates in particular to a kind of light concentrator for x-ray imaging equipment.This utility model also relates to the x-ray imaging equipment that uses this light concentrator.
Background technology
In x-ray imaging equipment, light concentrator is connected in the bulb that produces X ray.In light concentrator, be provided with for blocking the blade that blocks of X ray, can in light concentrator, block the position of blade and the size that size is controlled bulb irradiation area by adjusting; Light concentrator can also mask invalid X ray simultaneously, avoids patient to receive unnecessary x-ray bombardment.
In light concentrator known for inventor, be all by complicated winding machine, to block the control of blade.
Utility model content
The purpose of this utility model is to provide a kind of light concentrator that is easy to the x-ray imaging equipment of control simple in structure.
Another object of the present utility model is to provide the x-ray imaging equipment that uses this light concentrator.
This utility model provides a kind of light concentrator of x-ray imaging equipment, comprises a bracing frame, a pair of the first barricade, a pair of secondary shielding plate, first driving-chain, first drive motors, second driving-chain and second drive motors.Propagation path upper support frame along X ray is provided with first work surface and second work surface.The first barricade is arranged at the first work surface, and they can block direction and move to dwindle or increase the spacing between them in the other direction along one first respectively.Secondary shielding plate is arranged at the second work surface, and they can block second of direction along one perpendicular to first respectively and block direction and move to reduce or increase the spacing between them in the other direction.The first driving-chain is arranged at the first work surface, and it has and is parallel to first and blocks first segment and second segment of direction, and one of them first barricade is connected in the first segment and another the first barricade is connected in the second segment.The first drive motors has first output shaft, the first driving-chain is connected in the first output shaft, and the rotation of the first output shaft can drive the first segment to block that direction is moved and the second segment moves or the second segment blocks that direction is moved and the first segment moves along the first opposite direction of blocking direction along first along the first opposite direction of blocking direction along first.The second driving-chain is arranged at the second work surface, and it has and is parallel to second and blocks the 3rd segment and the 4th segment of direction, and one of them secondary shielding plate is connected in the 3rd segment and another secondary shielding plate is connected in the 4th segment.The second drive motors has second output shaft, the second driving-chain is connected in the second output shaft, and the rotation of the second output shaft can drive the 3rd segment to block that direction is moved and the 4th segment moves or the 4th segment blocks that direction is moved and the 3rd segment moves along the second opposite direction of blocking direction along second along the second opposite direction of blocking direction along second.
The first barricade and secondary shielding plate can be respectively realized folding by the first driving-chain and the second driving-chain and are accurately controlled,, and this is simple in structure, easy operating, and stability is high.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the first work surface is provided with and a pair ofly blocks the first guide rail that direction is extended along first, and the first barricade can be connected in the first guide rail and along the first guide rail movement.
In the schematic embodiment of another kind of the light concentrator of x-ray imaging equipment, the second work surface is provided with and a pair ofly blocks the second guide rail that direction is extended along second, and secondary shielding plate can be connected in the second guide rail and along the second guide rail movement.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the first drive motors has first reel that is connected in the first output shaft, and the first driving-chain is connected in the first reel.The second drive motors has second reel that is connected in the second output shaft, and the second driving-chain is connected in the second reel.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the first work surface is provided with a pair of the first roller, with second roller that is sheathed on the second output shaft, the second roller can relative the second output shaft rotation, the second segment can be overlapped in the first roller, and the first segment can be overlapped in the second roller and the first reel.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the second work surface is provided with a pair of the 3rd roller, with the 4th roller that is sheathed on the first output shaft, the 4th roller can be with respect to the first output shaft rotation, the 3rd segment can be overlapped in the 3rd roller and the second reel, and the 4th segment can be overlapped in the 4th roller and the 3rd roller.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the first work surface is provided with first regulating spring, and the head and the tail of the first driving-chain are connected in the first regulating spring.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the second work surface is provided with second regulating spring, and the head and the tail of the second driving-chain are connected in the second regulating spring.
In another schematic embodiment of the light concentrator of x-ray imaging equipment, the first driving-chain and the second driving-chain are steel wire or driving belt.
This utility model also provides a kind of x-ray imaging equipment, and it comprises above-mentioned light concentrator.
Accompanying drawing explanation
The following drawings only schematically illustrates and explains this utility model, does not limit scope of the present utility model.
Fig. 1 is for illustrating the structural representation of a kind of exemplary embodiment of light concentrator of x-ray imaging equipment.
Fig. 2 is for illustrating the motion of the first barricade on the first work surface.
Fig. 3 is for illustrating the motion of secondary shielding plate on the second work surface.
Fig. 4 is for illustrating the structural representation of the another kind of exemplary embodiment of light concentrator of x-ray imaging equipment.
Fig. 5 is that the V of Fig. 4 is to view.
Label declaration
10 bracing frames
12 first work surfaces
122 first guide rails
124 first rollers
126 second rollers
128 first regulating springs
14 second work surfaces
142 second guide rails
144 the 3rd rollers
146 the 4th rollers
148 second regulating springs
20,20a, 20b the first barricade
30,30a, 30b secondary shielding plate
40 first driving-chains
42 first segments
44 second segments
50 first drive motors
52 first output shafts
54 first reels
60 second driving-chains
62 the 3rd segments
64 the 4th segments
70 second drive motors
72 second output shafts
74 second reels.
The specific embodiment
For the technical characterictic of utility model, object and effect being had more clearly, understand, now contrast accompanying drawing the specific embodiment of the present utility model is described, in each figure, identical label represents identical part.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the embodiment that are described in this article " schematically " should be interpreted as a kind of preferred or have more the technical scheme of advantage.
For making drawing succinct, in each figure, only schematically shown the part relevant to this utility model, they do not represent that it is as the practical structures of product.In addition, so that drawing is succinctly convenient to understand, in some figure, there are the parts of same structure or function, only schematically illustrated one of them, or only marked one of them.
In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
In this article, " first ", " second " etc. are only for differentiation each other, but not represent their significance level and order etc.
In this article, " parallel ", " vertically " etc. are not the restriction in strict geometry meaning, also comprise the error it will be appreciated by those skilled in the art that and manufacture or use etc. allow.
For the ease of distinguishing, in each view, two the first barricades 20 are designated respectively to 20a and 20b, two secondary shielding plates 30 are designated respectively 30a and 30b.
Fig. 1 is for illustrating the structural representation of a kind of exemplary embodiment of light concentrator of x-ray imaging equipment.As shown in Figure 1, the light concentrator of x-ray imaging equipment comprises a bracing frame 10, a pair of the first barricade 20, a pair of secondary shielding plate 30, first driving-chain 40, first drive motors 50, the second driving-chain 60 and second drive motors 70.
Light concentrator can be connected in by bracing frame 10 other structures of x-ray imaging equipment.On the propagation path of X ray, bracing frame 10 is provided with first work surface 12 and second work surface 14, and X ray first irradiates the first work surface 12, is then irradiating the second work surface 14.
The first barricade 20 is arranged in pairs in the first work surface 12, for the ease of distinguishing, in figure, two the first barricades 20 is designated respectively to 20a and 20b.When blocking direction along first shown in arrow A in figure, the first barricade 20a moves, and the first barricade 20b is when in figure, the first opposite direction of blocking direction shown in arrow A is moved, the first barricade 20a and secondary shielding plate 20b are mutually close to reduce the spacing between them, thereby can reduce by the X ray of the first work surface 12.When blocking direction along first shown in arrow A in figure, the first barricade 20b moves, and the first barricade 20a moves along the first opposite direction of blocking direction shown in arrow A in figure, two the first barricades 20 are mutually away to increase the spacing between them, thereby can increase by the X ray of the first operative end surface 12.
Secondary shielding plate 30 is arranged in pairs in the second work surface 14.When blocking direction along second shown in arrow B in figure, secondary shielding plate 30a moves, and secondary shielding plate 30b is when in figure, the second opposite direction of blocking direction shown in arrow B is moved, secondary shielding plate 30a and secondary shielding plate 30b are mutually close to reduce the spacing between them, thereby can reduce by the X ray of the second work surface 14.When blocking direction along second shown in arrow B in figure, secondary shielding plate 30b moves, and secondary shielding plate 30a moves along the second opposite direction of blocking direction shown in arrow B in figure, two secondary shielding plates 30 are mutually away to increase the spacing between them, thereby can increase by the X ray of the second operative end surface 14.First blocks direction and second, and to block direction vertical, thereby can control the X ray that sees through light concentrator in two vertical directions.
The first driving-chain 40 is arranged on the first work surface 12, and in the embodiment shown in Fig. 1, the first driving-chain 40 is steel wire, but is not limited to this, can also use driving belt being similar to by steel wire etc.The first driving-chain 40 is supported by the strong point on the first work surface 12 and extends.The first driving-chain 40 after extension has first segment 42 and second segment 44, and the first segment 42 and the second segment 44 are parallel to first shown in arrow A in figure and block direction.One of them first barricade 20 is connected in the first segment 42, and another first barricade 20 is connected in the second segment 44.
The first drive motors 50 is arranged at bracing frame 10.In the embodiment shown in Fig. 1, the first drive motors 50 is provided with first output shaft 52 and first reel 54.The first reel 54 is connected in the first output shaft 52, and the first driving-chain 40 is connected in the first reel 54.By the first output shaft 52, rotate and drive the first driving-chains 40 motions, thereby make the first segment 42 along first blocking direction and move as shown in arrow A in Fig. 1, and the second segment 44 moves along the first opposite directions of blocking direction as shown in arrow A in 1; Or make the second segment 44 along first blocking direction and move as shown in arrow A in Fig. 1, and the first segment 42 move along the first opposite directions of blocking direction as shown in arrow A in Fig. 1.Can adjust two minimum spacing and maximum spacings between the first barricade 20 by being wrapped in the number of turns of the first driving-chain 40 on the first reel 54.
The second driving-chain 60 is arranged on the second work surface 14, and in the embodiment shown in Fig. 1, the second driving-chain 60 is steel wire, but is not limited to this, can also use driving belt being similar to by steel wire etc.The second driving-chain 60 is supported by the strong point on the second work surface 14 and extends.The second driving-chain 60 after extension has the 3rd segment 62 and the 4th segment 64, and the 3rd segment 62 and the 4th segment 64 are parallel to second shown in arrow B in figure and block direction.One of them secondary shielding plate 30 is connected in the 3rd segment 62, and another secondary shielding plate 30 is connected in the 4th segment 64.
The second drive motors 70 is rotationally connected with bracing frame 10.In the embodiment shown in Fig. 1, the second drive motors 70 is provided with second output shaft 72 and second reel 74.The second reel 74 is connected in the second output shaft 72, and the second driving-chain 60 is connected in the second reel 74.By the second output shaft 72, rotate and drives the second driving-chain 60 motions, thereby make the 3rd segment 62 along second blocking direction and move as shown in arrow B in Fig. 1, and the 4th segment 64 second opposite directions of blocking direction of edge as shown in arrow B in Fig. 1 are moved; Or make the 4th segment 64 along second blocking direction and move as shown in arrow B in Fig. 1, and the 3rd segment 62 move along the second opposite directions of blocking direction as shown in arrow B in Fig. 1.Can adjust two minimum spacing and maximum spacings between secondary shielding plate 30 by being wrapped in the number of turns of the second driving-chain 60 on the second reel 74.
Fig. 2 is for illustrating the motion of the first barricade on the first work surface.Referring to Fig. 2 and Fig. 1, when needs regulate the first barricade 20a and the first barricade 20b, when spacing between them is reduced, the first output shaft 52 clockwise rotates, thereby drives the first reel 54 to clockwise rotate.When the first reel 54 clockwise rotates, it drives whole the first driving-chain 40 motions, and making the first segment 42 block direction along first shown in arrow A in figure moves, and the second segment 44 moves along the first opposite direction of blocking direction shown in arrow A in figure, drive the first barricade 20a to block moving of direction along first shown in arrow A in figure, the first barricade 20b moves along the first opposite direction of blocking direction shown in arrow A in figure, thereby reduces the spacing between them.By changing the rotation direction of the first output shaft of the first drive motors, the process that the spacing between the first barricade is increased is contrary with said process, does not repeat them here.
Fig. 3 is for illustrating the motion of secondary shielding plate on the second work surface.Referring to Fig. 3 and Fig. 1, when needs regulate secondary shielding plate 30a and secondary shielding plate 30b, when spacing between them is reduced, the second output shaft 72 rotates counterclockwise, thereby drives the second reel 74 to rotate counterclockwise.When the second reel 74 rotates counterclockwise, it drives whole the second driving-chain 60 motions, and making the 3rd segment 62 block direction along second shown in arrow B in figure moves, and the 4th segment 64 moves along the second opposite direction of blocking direction shown in arrow A in figure, drive secondary shielding plate 30a to block moving of direction along second shown in arrow B in figure, secondary shielding plate 30b moves along the second opposite direction of blocking direction shown in arrow B in figure, thereby reduces the spacing between them.By adjusting the turning to of the second output shaft of the second drive motors, the process that the spacing between secondary shielding plate is increased is contrary with said process, does not repeat them here.
Fig. 4 is for illustrating the structural representation of the another kind of exemplary embodiment of light concentrator of x-ray imaging equipment.Fig. 5 is that the V of Fig. 4 is to view.Fig. 4 does not repeat them here with structure identical with Fig. 1 in Fig. 5.As shown in Figure 4, the first work surface 12 is provided with a pair of the first guide rail 122.The first guide rail 122 blocks direction along first shown in arrow A in Fig. 4 and extends, and the first barricade 20a and the first barricade 20b are connected to the first guide rail 122, and move along the first guide rail 122.Can be so that the first barricade moves stably by the first guide rail is set.
As shown in Figure 5, the second work surface 14 is provided with a pair of the second guide rail 142.The second guide rail 142 blocks direction along second shown in arrow B in Fig. 7 and extends, and secondary shielding plate 30 can be connected in the second guide rail 142, and moves along the second guide rail 142.Can be so that secondary shielding plate moves stably by the second guide rail is set.
Referring to Fig. 4 and Fig. 5, in a kind of exemplary embodiment of light concentrator of x-ray imaging equipment, the first work surface 12 is provided with a pair of the first roller 124, and second roller 126 that is connected in the second output shaft 72.The second roller 126 can rotate with respect to the second output shaft 72.The second segment 44 is overlapped in the first roller 124, and the first segment 42 is overlapped in the second roller 126 and the first reel 54.The first driving-chain 40 (referring to Fig. 1) slides along the first roller 124 and the second roller 126, thereby reduces the resistance of motion of the first driving-chain 40.
Referring to Fig. 4 and Fig. 5, the second work surface 14 is provided with a pair of the 3rd roller 144 and the 4th roller 146 that is sheathed on the first driving shaft 52.The 4th roller 146 can rotate with respect to the first output shaft 52.The 3rd segment 62 is overlapped in the 3rd roller 144 and the second reel 74, and the 4th segment 64 can be overlapped in the 3rd roller 144 and the 4th roller 146.The second driving-chain 60 (referring to Fig. 1) can slide along the 3rd roller 144 and the 4th roller 146, thereby reduces the resistance of motion of the second driving-chain 60.
As shown in Figure 4, in a kind of exemplary embodiment of light concentrator of x-ray imaging equipment, the head and the tail that the first work surface 12 is provided with first regulating spring 128, the first driving-chains 40 are connected in the first regulating spring 128.By the elasticity tension of the first regulating spring 128, can regulate the moment that drives the first drive motors 50 to rotate.
As shown in Figure 5, the head and the tail that the second work surface 14 is provided with second regulating spring 148, the second driving-chains 60 are connected in the second regulating spring 148.By the elasticity tension of the second regulating spring 148, can regulate the moment that drives the second drive motors 70 to rotate.
Be to be understood that, although this description is described according to each embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present utility model; they are not in order to limit protection domain of the present utility model; allly do not depart from equivalent embodiment or the change that this utility model skill spirit is done; as the combination of feature, cut apart or repeat, within all should being included in protection domain of the present utility model.
Claims (10)
- The light concentrator of 1.X radiation imaging apparatus, is characterized in that comprising:A bracing frame (10), support frame as described above (10) is provided with first work surface (12) and second work surface (14);A pair of the first barricade (20a, 20b) that is arranged at described the first work surface (12), they can block direction and move to dwindle or increase the spacing between them in the other direction along one first respectively;The a pair of secondary shielding plate (30a, 30b) that is arranged at described the second work surface (14), they can block second of direction along one perpendicular to described first respectively and block direction and move to reduce or increase the spacing between them in the other direction;First driving-chain (40) that is arranged at described the first work surface (12), it has and is parallel to described first and blocks first segment (42) and second segment (44) of direction, described in one of them the first barricade (20a) be connected in described the first segment (42) and described in another the first barricade (20b) be connected in described the second segment (44);First drive motors (50), it has first output shaft (52), described the first driving-chain (40) is connected in described the first output shaft (52), and the rotation of described the first output shaft (52) can drive described the first segment (42) to block that direction is moved and described the second segment (44) moves or described the second segment (44) blocks that direction is moved and described the first segment (42) moves along described the first opposite direction of blocking direction along described first along described the first opposite direction of blocking direction along described first;Second driving-chain (60) that is arranged at described the second work surface (14), it has and is parallel to described second and blocks the 3rd segment (62) and the 4th segment (64) of direction, described in one of them secondary shielding plate (30a) be connected in described the 3rd segment (62) and described in another secondary shielding plate (30b) be connected in described the 4th segment (64); WithSecond drive motors (70), it has second output shaft (72), described the second driving-chain (60) is connected in described the second output shaft (72), and the rotation of described the second output shaft (72) can drive described the 3rd segment (62) to block that direction is moved and described the 4th segment (64) moves or described the 4th segment (64) blocks that direction is moved and described the 3rd segment (62) moves along described the second opposite direction of blocking direction along described second along described the second opposite direction of blocking direction along described second.
- 2. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the first work surface (12) is provided with and a pair ofly blocks the first guide rail (122) that direction is extended along described first, and described the first barricade (20) can be connected in described the first guide rail (122) and move along described the first guide rail (122).
- 3. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the second work surface (14) is provided with and a pair ofly blocks the second guide rail (142) that direction is extended along described second, and described secondary shielding plate (30) can be connected in described the second guide rail (142) and move along described the second guide rail (142).
- 4. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the first drive motors (50) has first reel (54) that is connected in described the first output shaft (52), described the first driving-chain (40) is connected in described the first reel (54)Described the second drive motors (70) has second reel (74) that is connected in described the second output shaft (72), and described the second driving-chain (60) is connected in described the second reel (74).
- 5. the light concentrator of x-ray imaging equipment as claimed in claim 4, wherein said the first work surface (12) is provided with a pair of the first roller (124) and second roller (126) that is sheathed on described the second output shaft (72), described the second roller (126) can rotate relative to described the second output shaft (72), and described the second segment (44) can be overlapped in described the first roller (124) and described the first segment (42) can be overlapped in described the second roller (126) and described the first reel (54).
- 6. the light concentrator of x-ray imaging equipment as claimed in claim 4, wherein said the second work surface (14) is provided with a pair of the 3rd roller (144) and the 4th roller (146) that is sheathed on described the first output shaft (52), described the 4th roller (146) can rotate with respect to described the first output shaft (52), described the 3rd segment (62) can be overlapped in described the 3rd roller (144) and described the second reel (74), and described the 4th segment (64) can be overlapped in described the 4th roller (146) and described the 3rd roller (144).
- 7. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the first work surface (12) is provided with first regulating spring (128), and the head and the tail of described the first driving-chain (40) are connected in described the first regulating spring (128).
- 8. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the second work surface (14) is provided with second regulating spring (148), and the head and the tail of described the second driving-chain (60) are connected in described the second regulating spring (148).
- 9. the light concentrator of x-ray imaging equipment as claimed in claim 1, wherein said the first driving-chain (40) and described the second driving-chain (60) are steel wire or driving belt.
- 10.X radiation imaging apparatus, is characterized in that it comprises the light concentrator as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228942.0U CN203898333U (en) | 2014-05-06 | 2014-05-06 | Collimator and X-ray imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228942.0U CN203898333U (en) | 2014-05-06 | 2014-05-06 | Collimator and X-ray imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898333U true CN203898333U (en) | 2014-10-29 |
Family
ID=51772637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228942.0U Expired - Lifetime CN203898333U (en) | 2014-05-06 | 2014-05-06 | Collimator and X-ray imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898333U (en) |
-
2014
- 2014-05-06 CN CN201420228942.0U patent/CN203898333U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |