CN211381424U - Window blade linkage device of beam limiter - Google Patents
Window blade linkage device of beam limiter Download PDFInfo
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- CN211381424U CN211381424U CN201921569752.4U CN201921569752U CN211381424U CN 211381424 U CN211381424 U CN 211381424U CN 201921569752 U CN201921569752 U CN 201921569752U CN 211381424 U CN211381424 U CN 211381424U
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- lead
- swing gear
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Abstract
The utility model relates to a limit for bundle ware auxiliary assembly technical field provides a limit for bundle ware's window blade aggregate unit very much, including the mounting panel, be equipped with rectangular window on the mounting panel, on the mounting panel in rectangular window's two pairs of opposite sides outsides, can set up a pair of window lead leaf A and a pair of window lead leaf B through coupling assembling straight line activity respectively, coupling assembling passes the mounting panel, is connected with the linkage assembly, and drive arrangement control linkage assembly motion, and the linkage assembly drives coupling assembling, and coupling assembling controls being close to or keeping away from of two window lead leaf A and two window lead leaf B respectively, realizes the change that the bulb ray passes rectangular window's area. This is novel opens and closes through gear drive and sharp sliding control beam limiter window blade, and then realizes the effect that tentatively shelters from to the bulb pipe ray.
Description
Technical Field
The utility model relates to a limit and restraint ware auxiliary assembly technical field provides a window blade aggregate unit of limit and restraint ware very much.
Background
The beam limiter is used in the radioactive apparatus mainly for controlling the size and shape of the area of the radioactive source to the focus part via the lead blades inside the radioactive apparatus so as to raise the imaging quality and reduce the unnecessary radiation to the patient. Most of the existing beam limiter window blades are fixed in structural size, are not linked with the main blade and have small functions; the existing window blade devices linked with the main blade are of connecting rod structures, the structural space layout is complex, and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a window blade aggregate unit of beam limiter opens and is closed through gear drive and sharp sliding control beam limiter window blade, and then realizes the effect that tentatively shelters from to the bulb ray.
The utility model discloses a realize like this, a window blade aggregate unit of beam limiter, including the mounting panel, be equipped with rectangular window on the mounting panel, on the mounting panel in rectangular window's two pairs of opposite sides outsides, but set up a pair of window plumbous leaf A and a pair of window plumbous leaf B through coupling assembling straight line activity respectively, coupling assembling passes the mounting panel, be connected with the linkage subassembly, drive arrangement control linkage subassembly motion, the linkage subassembly drives coupling assembling, coupling assembling controls being close to or keeping away from of two window plumbous leaves A and two window plumbous leaves B respectively, realize the change of the area that the bulb ray passed rectangular window.
Furthermore, the mounting plates on the outer sides of the two pairs of opposite sides of the rectangular window are respectively provided with guide grooves perpendicular to the two pairs of opposite sides of the rectangular window, and the connecting assembly penetrates through the guide grooves and is connected with the linkage assembly.
Further, coupling assembling include with window lead leaf A fixed inlayed window lead leaf panel beating A, with window lead leaf B fixed inlayed window lead leaf panel beating B and with window lead leaf panel beating A and window lead leaf panel beating B through set screw fixed connection's guide block, the connecting rod is stretched out to the guide block lower extreme, the connecting rod passes the guide way, with the linkage subassembly is connected.
Further, the linkage assembly comprises a pair of large swinging gear rods A, a pair of large swinging gear rods B, a pair of small swinging gear rods A, a pair of small swinging gear rods B, a window lead blade A assembly right shifting piece, a window lead blade A assembly left shifting piece, a window lead blade B assembly right shifting piece and a window lead blade B assembly left shifting piece; big swing gear pole A and big swing gear pole B one end respectively with window lead leaf A, the coupling assembling sliding connection that window lead leaf B corresponds, the other end respectively with little swing gear pole A, little swing gear pole B meshing, a little swing gear pole A and the plumbous leaf A subassembly right side plectrum sliding connection of window, another little swing gear pole A and the plumbous leaf A subassembly left side plectrum sliding connection of window, a little swing gear pole B and the plumbous leaf B subassembly right side plectrum sliding connection of window, another little swing gear pole B and the plumbous leaf B subassembly left side plectrum sliding connection of window.
The window lead leaf assembly comprises a window lead leaf assembly A, a window lead leaf assembly B, a first main lead leaf, a second main lead leaf, a third main lead leaf, a fourth main lead leaf, a driving device and a control device.
Further, interference connection has a plurality of circle axles on the mounting panel, install respectively at 4 circle epaxially big swing gear pole A, big swing gear pole B, little swing gear pole A, little swing gear pole B, the circle off-axial side sets up the jump ring groove, and the jump ring is installed to the jump ring inslot, locks the rotational position of big swing gear pole A, big swing gear pole B, little swing gear pole A, little swing gear pole B through the jump ring.
Compared with the prior art, the utility model has the advantages of:
firstly, the method comprises the following steps: the precision is high, and the structure is simple;
secondly, the method comprises the following steps: the window blades can realize double-layer linkage and move stably;
thirdly, the method comprises the following steps: the structure is small in size, and particularly in the thickness direction, only the thickness of a metal plate needs to be added to the linkage gear.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic diagram of the upper layer structure of the present invention;
fig. 2 is a schematic view of the upper layer structure of the present invention;
fig. 3 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the present embodiment provides a window blade linkage of beam limiter, including mounting panel 1, is equipped with the rectangle window on the mounting panel 1, on the mounting panel 1 in the two pairs of opposite sides outsides of rectangle window, can set up a pair of window lead leaf a9 and a pair of window lead leaf B12 through coupling assembling straight line activity respectively, on the mounting panel 1 in the two pairs of opposite sides outsides of rectangle window, be equipped with the guide way of the two pairs of opposite sides of perpendicular to rectangle window respectively, coupling assembling passes the guide way, with linkage assembling connects, and drive arrangement control linkage assembly motion, and linkage assembly drives coupling assembling, and coupling assembling controls being close to or keeping away from of two window lead leaves a9 and two window lead leaves B12 respectively, realizes the change of the area that the bulb ray passed the rectangle window.
The coupling assembling in this embodiment include with window lead leaf A9 fixed mosaic window lead leaf panel beating A8, with window lead leaf B12 fixed mosaic window lead leaf panel beating B11 and with window lead leaf panel beating A8 and window lead leaf panel beating B11 through guide block 10 of set screw 13 fixed connection, the connecting rod is stretched out to guide block 10 lower extreme, the connecting rod passes the guide way, with the linkage subassembly is connected.
The linkage assembly in the embodiment comprises a pair of large swinging gear rods A3, a pair of large swinging gear rods B4, a pair of small swinging gear rods A5, a pair of small swinging gear rods B6, a window lead blade A assembly right shifting piece 14, a window lead blade A assembly left shifting piece 15, a window lead blade B assembly right shifting piece 16 and a window lead blade B assembly left shifting piece 17; one end of a large swinging gear rod A3 and one end of a large swinging gear rod B4 are respectively in sliding connection with a connecting component corresponding to a window lead blade A9 and a window lead blade B12, the other end of the large swinging gear rod A3 and the other end of the large swinging gear rod B4 are respectively meshed with a small swinging gear rod A5 and a small swinging gear rod B6, a small swinging gear rod A5 is in sliding connection with a right shifting piece 14 of a window lead blade A component, the other small swinging gear rod A5 is in sliding connection with a left shifting piece 15 of a window lead blade A component, a small swinging gear rod B6 is in sliding connection with a right shifting piece 16 of a window lead blade B component, and the other small swinging gear rod B6 is in sliding connection with a.
Referring to fig. 3, the window lead-free beam limiter further comprises a first main lead blade 18, a second main lead blade 19, a third main lead blade 20, a fourth main lead blade 21 and two guide rails 22, wherein the first main lead blade 18 is fixedly connected with the window lead blade B assembly right shifting sheet 16, the second main lead blade 19 is fixedly connected with the window lead blade B assembly left shifting sheet 17, the third main lead blade 20 is fixedly connected with the window lead blade a assembly right shifting sheet 14, the fourth main lead blade 21 is fixedly connected with the window lead blade a assembly left shifting sheet 15, the first main lead blade 18 and the second main lead blade 19 slide on one guide rail 22, the third main lead blade 20 and the fourth main lead blade 21 slide on the other guide rail 22, the two guide rails 22 are fixedly arranged on the beam limiter body, and the driving device respectively controls the opening and closing of the first main lead blade 18 and the second main lead blade 19 and the opening and closing of the third main lead blade 20 and the fourth main lead blade 21.
In order to realize being connected of gear pole and mounting panel 1 better to and the turned angle of each gear pole of rational control, as technical scheme's improvement on mounting panel 1 the interference is connected with a plurality of circle axles 2, big swing gear pole A3, big swing gear pole B4, little swing gear pole A5, little swing gear pole B6 install respectively on 4 circle axles 2, and the circle axle outside sets up the jump ring groove, and installation jump ring 7 in the jump ring groove locks big swing gear pole A3, big swing gear pole B4, little swing gear pole A5, the rotational position of little swing gear pole B6 through jump ring 7.
When the beam limiter is used, each main lead leaf opening forms a rectangular opening, the rectangular opening and the opening of the pre-filtering window lead leaf are in an equal-proportion amplification relation, and the area and the shape of a focus part projected by the rays of the radioactive source are controlled through the rectangular opening formed by the pre-filtering window lead leaf and the main lead leaf. As shown in fig. 2 and 3, when the area and shape of the focus site projected by the ray of the radioactive source need to be enlarged, the main lead leaf 18 and the main lead leaf 19 move outwards and backwards along the guide rail 22 under the action of the driving device, the right shifting piece 16 of the window lead leaf B assembly and the left shifting piece 17 of the window lead leaf B assembly move along with the main lead leaf 18 and the main lead leaf 19, and then shift the two small swing gear rods a6 to swing outwards, the two large swing gear rods a4 which are meshed with the two small swing gear rods a6 in a swinging and outward manner also swing outwards synchronously, and a group of window lead leaves B12 slide outwards and linearly under the drive of the two large swing gear rods a4 to enlarge the window; when the window needs to be reduced, the main lead blade 18 and the main lead blade 19 move inwards and oppositely under the action of the driving device, the right shifting piece 16 of the window lead blade B assembly and the left shifting piece 17 of the window lead blade B assembly move along with the main lead blade 18 and the main lead blade 19, so that the two small swinging gear rods A6 are shifted to swing inwards, the two large swinging gear rods A4 which are in swinging engagement with the two small swinging gear rods A6 outwards swing inwards along with synchronous swinging, and the group of window lead blades B12 slide inwards and linearly under the driving of the two large swinging gear rods A4 to achieve the purpose of reducing the window; the other group of main lead blades 20 and 21 drive the two small swing gear rods A5 to swing through the window lead blade A assembly right shifting piece 14 and the window lead blade A assembly left shifting piece 15 so as to drive the two large swing gear rods B3 meshed with the two small swing gear rods A5 to swing, and the purpose of expanding or reducing the opening is realized by the outward or inward linear motion of the group of window lead blades A9 under the swinging drive of the two large swing gear rods B3.
Claims (6)
1. The window blade aggregate unit of beam limiter, a serial communication port, including mounting panel (1), be equipped with the rectangle window on mounting panel (1), on mounting panel (1) in the two pairs of opposite sides outsides of rectangle window, but set up a pair of window lead leaf A (9) and a pair of window lead leaf B (12) through coupling assembling straight line activity respectively, coupling assembling passes mounting panel (1), be connected with the linkage subassembly, drive arrangement control linkage subassembly motion, the linkage subassembly drives coupling assembling, being close to or keeping away from of two window lead leaves A (9) and two window lead leaf B (12) of coupling assembling control respectively, realize the change of the area that the bulb ray passed the rectangle window.
2. The window vane linkage device of the beam limiter according to claim 1, wherein the mounting plate (1) outside the two pairs of opposite sides of the rectangular window is provided with guide grooves perpendicular to the two pairs of opposite sides of the rectangular window, and the connecting member passes through the guide grooves and is connected with the linkage member.
3. The window vane linkage device of the beam limiter according to claim 2, wherein the connecting assembly comprises a window lead vane metal plate A (8) fixedly embedded with the window lead vane A (9), a window lead vane metal plate B (11) fixedly embedded with the window lead vane B (12), and a guide block (10) fixedly connected with the window lead vane metal plate A (8) and the window lead vane metal plate B (11) through a fixing screw (13), wherein a connecting rod extends out of the lower end of the guide block (10), passes through the guide groove and is connected with the linkage assembly.
4. The window vane linkage of a beam limiter according to claim 1, wherein the linkage assembly comprises a pair of large swing gear levers a (3), a pair of large swing gear levers B (4), a pair of small swing gear levers a (5), a pair of small swing gear levers B (6), a window lead vane a assembly right paddle (14), a window lead vane a assembly left paddle (15), a window lead vane B assembly right paddle (16), and a window lead vane B assembly left paddle (17); one end of a large swing gear rod A (3) and one end of a large swing gear rod B (4) are respectively in sliding connection with a window lead leaf A (9) and a connecting assembly corresponding to a window lead leaf B (12), the other end of the large swing gear rod A (3) and the other end of the large swing gear rod B (4) are respectively in meshing connection with a small swing gear rod A (5) and a small swing gear rod B (6), one small swing gear rod A (5) is in sliding connection with a window lead leaf A assembly right shifting piece (14), the other small swing gear rod A (5) is in sliding connection with a window lead leaf A assembly left shifting piece (15), one small swing gear rod B (6) is in sliding connection with a window lead leaf B assembly right shifting piece (16), and the other small swing gear rod B (6) is in sliding connection with a window lead leaf B assembly left shifting piece.
5. The window and blade linkage system according to claim 4, further comprising a first main lead blade (18), a second main lead blade (19), a third main lead blade (20), a fourth main lead blade (21) and two guide rails (22), wherein the first main lead blade (18) is fixedly connected with the window lead blade B assembly right shifting blade (16), the second main lead blade (19) is fixedly connected with the window lead blade B assembly left shifting blade (17), the third main lead blade (20) is fixedly connected with the window lead blade A assembly right shifting blade (14), the fourth main lead blade (21) is fixedly connected with the window lead blade A assembly left shifting blade (15), the first main lead blade (18) and the second main lead blade (19) slide on one guide rail (22), the third main lead blade (20) and the fourth main lead blade (21) slide on the other guide rail (22), and the driving device respectively controls the opening and closing of the first main lead blade (18) and the second main lead blade (19) and the third main lead blade (20) and the fourth main lead blade (21), and the driving device controls the opening and closing of the first main lead blade (18) and the second main lead blade (19) and the third main lead blade (20) and the second main lead The fourth main lead leaf (21) is opened and closed.
6. The window blade linkage device according to claim 4, wherein a plurality of circular shafts (2) are connected to the mounting plate (1) in an interference manner, the large swing gear rod A (3), the large swing gear rod B (4), the small swing gear rod A (5) and the small swing gear rod B (6) are respectively mounted on the 4 circular shafts (2), clamp spring grooves are formed in the outer sides of the circular shafts, clamp springs (7) are mounted in the clamp spring grooves, and the rotating positions of the large swing gear rod A (3), the large swing gear rod B (4), the small swing gear rod A (5) and the small swing gear rod B (6) are locked through the clamp springs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569752.4U CN211381424U (en) | 2019-09-20 | 2019-09-20 | Window blade linkage device of beam limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569752.4U CN211381424U (en) | 2019-09-20 | 2019-09-20 | Window blade linkage device of beam limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211381424U true CN211381424U (en) | 2020-09-01 |
Family
ID=72223200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921569752.4U Active CN211381424U (en) | 2019-09-20 | 2019-09-20 | Window blade linkage device of beam limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211381424U (en) |
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2019
- 2019-09-20 CN CN201921569752.4U patent/CN211381424U/en active Active
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