CN209107384U - A kind of CT collimator piece cutting structure and CT scan system - Google Patents
A kind of CT collimator piece cutting structure and CT scan system Download PDFInfo
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- CN209107384U CN209107384U CN201821564666.XU CN201821564666U CN209107384U CN 209107384 U CN209107384 U CN 209107384U CN 201821564666 U CN201821564666 U CN 201821564666U CN 209107384 U CN209107384 U CN 209107384U
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- chip
- cutting structure
- piece cutting
- chip board
- lead screw
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Abstract
The utility model discloses a kind of CT collimator piece cutting structure and CT scan systems, CT collimator piece cutting structure includes two chip boards and single motor, motor includes two output shafts, two output shafts are connected separately with lead screw, nut is provided on the lead screw, the nut is connect with the chip board, and two output shafts respectively drive two chip boards in opposite directions and are moved away from.CT scan system includes above-mentioned CT collimator piece cutting structure.It drives two chip boards opposite by single motor and is moved away from, simplify structure, reduce space hold, be easily installed and dismantle；And a motor drives two chip boards, so that the synchronism between two chip boards is more preferable, the cooperation of lead screw and nut ensure that the precision and stationarity of chip board movement.
Description
Technical field
The utility model relates to medical imaging technology field more particularly to a kind of CT collimator piece cutting structure and CT scan
System.
Background technique
In CT (layer scanning technology, full name in English: Electronic Computer X-ray Tomography
Technique) in machine scanning process, pass through the photograph for the X-ray that the distance between setting slice control X-ray emitter generates
Range is penetrated, X-ray extra produced by the X-ray emitter outside range of exposures is stopped, reducing scattering influences, and improves the imaging of CT machine
Quality.
CT machine during the scanning process, generallys use slice systems to reduce the dose of radiation of the unnecessary receiving of patient, and protect
Demonstrate,prove good picture quality.X-ray successively passes through shape filter and slicing device in scanning, eventually passes through human body and is detected
Device absorbs.
Current CT machine slice systems include two chip boards, and a motor, Jin Erxu is arranged in each corresponding chip board
It wants two sets of encoders, controller, Zero-point positioning system that the opening width of two chip boards is adjusted, is wanted to reach design
It asks.Therefore, there is the shortcoming that structure is complicated, at high cost in existing piece cutting structure, and be due to two sets of transmission systems
Error of uniting and accumulated error, the synchronism of two pieces of chip boards is lower, and system accuracy and kinematic accuracy cannot be guaranteed.
Utility model content
The purpose of this utility model is to provide a kind of CT collimator piece cutting structure and CT scan systems, to solve existing skill
The technical problem that structure is complicated present in art, at high cost, error is big.
As above design, the technical scheme adopted by the utility model is
A kind of CT collimator piece cutting structure, including two chip boards, further include single motor, and the motor includes two defeated
Shaft, two output shafts are connected separately with lead screw, and nut is provided on the lead screw, and the nut and the chip board connect
It connects, two output shafts respectively drive two chip boards in opposite directions and are moved away from.
It wherein, further include connection sheet, the connection sheet is set as L-type, the first end of the connection sheet and the chip board
Connection, the second end of the connection sheet are connect with the nut, and the first end of the connection sheet is perpendicular to the chip board
The width of the direction of motion is greater than width of the second end in the direction of motion of the chip board in parallel of the connection sheet.
Wherein, the lead screw is connect with the output shaft by shaft coupling.
It wherein, further include the first sliding block and the first guide rail, first sliding block is set to one end of the chip board, described
First sliding block and first guide rail cooperate.
It wherein, further include the second guide rail being arranged with the first guide rail parallel interval, the other end of the chip board is set
It is equipped with the second sliding block, second sliding block and second guide rail cooperate.
It wherein, further include support frame, the chip board and the motor are all set on support frame as described above.
A kind of CT scan system, including CT collimator piece cutting structure as described above.
The utility model has the beneficial effects that
The utility model proposes CT collimator piece cutting structure, including two chip boards are defeated by two of single motor
Shaft respectively drives two chip boards in opposite directions and is moved away from, and simplifies structure, reduces space hold, is easily installed and tears open
It unloads；And a motor drives two chip boards, so that the synchronism between two chip boards is more preferable, the cooperation of lead screw and nut,
It ensure that the precision and stationarity of chip board movement.The setting of connection sheet, convenient for chip board to be connect with nut, and connection sheet is set
It is set to L shape, provides avoiding space for motor, so that space is rationally utilized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of CT collimator piece cutting structure provided by the embodiment of the utility model.
In figure:
1, chip board；
2, motor；21, output shaft；
31, lead screw；32, nut；33, shaft coupling；34, support；
41, the first sliding block；42, the first guide rail；43, the second guide rail；44, the second sliding block；
5, connection sheet；
6, support frame.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Referring to Fig. 1, the utility model embodiment provides a kind of CT collimator piece cutting structure, including support frame 6, support frame 6
On be provided with chip board 1 and motor 2.Two chip boards 1 are arranged side by side, and the interval between two chip boards 1 forms opening, and X is penetrated
Line can be projected by opening.Two chip boards 1 are respectively driven by two output shafts 21 of single motor 2 to move in opposite directions and opposite to each other
The distance between it is dynamic, and then adjust two chip boards 1, i.e. the size of adjustable openings, and then the range of exposures of control X-ray.
The setting of single motor 2, simplifies structure, reduces space hold, is easily installed and dismantles；An and motor 2
Two chip boards 1 are driven, so that the synchronism between two chip boards 1 is more preferable, ensure that precision that chip board 1 moves and steady
Property.
Motor 2 is twin shaft output motor, including two output shafts 21, two output shafts 21 are connected separately with lead screw 31, silk
Nut 32 is provided on thick stick 31, nut 32 is connect with chip board 1.Specifically, two output shafts 21 be respectively the first output shaft and
Second output shaft, two lead screws 31 respectively the first lead screw and the second lead screw, the first lead screw and the first output axis connection, second
Thick stick and the second output axis connection.The extending direction of two lead screws 31 is on the contrary, make the moving direction of two chip boards 1 straight at one
On line.
Threaded hole is provided on nut 32, threaded hole is threadedly coupled with lead screw 31, and threaded hole can be totally-enclosed threaded hole.
In order to realize that two chip boards 1 are opposite and are moved away from, the rotation direction phase of two output shafts 21 of motor 2 can be
Instead or the thread rotary orientation of two lead screws 31 is opposite.
Lead screw 31 is connect with output shaft 21 by shaft coupling 33.Specifically, two shaft couplings 33 are respectively first shaft coupling
And second shaft coupling, the first lead screw are connect with the first output shaft by first shaft coupling, the second lead screw and the second output shaft pass through
Second shaft coupling connection.
In order to provide support to lead screw 31, corresponding each lead screw 31 is arranged a support 34, lead screw 31 pass through support 34 and
It is rotatablely connected with support 34.
In order to guarantee that two chip boards 1 are mobile steady, it is also provided with the first sliding block 41, the first guide rail 42, the second guide rail 43
With the second sliding block 44, the first sliding block 41 is set to one end of chip board 1, and the first sliding block 41 and the first guide rail 42 cooperate；Two
One sliding block 41 is arranged in a one-to-one correspondence with two chip boards 1, and two the first sliding blocks 41 are slidably connected with the first guide rail 42.Second leads
Rail 43 and 42 parallel interval of the first guide rail are arranged, and the second sliding block 44 is set to the other end of chip board 1, the second sliding block 44 and second
Guide rail 43 cooperates；Two the second sliding blocks 44 are arranged in a one-to-one correspondence with two chip boards 1, two the second sliding blocks 44 with the second guide rail
43 are slidably connected.The extending direction of first guide rail 42 is identical with the extending direction of lead screw 31.
For the ease of chip board 1 to be connect with nut 32, it is provided with connection sheet 5.The first end and chip board 1 of connection sheet 5
Connection, the second end of connection sheet 5 are connect with nut 32.In order to provide avoiding space to motor 2, connection sheet 5 is set as L shape, and two
The L shape opening face setting of a connection sheet 5, the first end of connection sheet 5 are greater than in the width of the direction of motion perpendicular to chip board 1
Width of the second end of connection sheet 5 in the direction of motion of parallel slices plate 1.Motor 2 is located between two connection sheets 5, and two defeated
Shaft 21 extends to the two sides of motor 2 respectively.
When motor 2 drives output shaft 21 to rotate, driving lead screw 31 is rotated, and then drives lead screw of the nut 32 where it
31 linear movements；Nut 32 drives chip board 1 mobile by connection sheet 5, and one end of chip board 1 is by the first sliding block 41 along the
The sliding of one guide rail 42, the other end slides along the second guide rail 43 by the second sliding block 44, and then realize two chip boards 1 in opposite directions and phase
Back movement.
The utility model embodiment also provides a kind of CT scan system, including above-mentioned CT collimator piece cutting structure.Pass through
One motor 2 drives two chip boards 1 opposite and is moved away from, and simplifies structure, reduces space hold.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (7)
1. a kind of CT collimator piece cutting structure, including two chip boards (1), which is characterized in that further include single motor (2), institute
Stating motor (2) includes two output shafts (21), and two output shafts (21) are connected separately with lead screw (31), the lead screw (31)
On be provided with nut (32), the nut (32) connect with the chip board (1), and two output shafts (21) respectively drive two
A chip board (1) is opposite and is moved away from.
2. CT collimator piece cutting structure according to claim 1, which is characterized in that further include connection sheet (5), the connection
Piece (5) is set as L-type, and the first end of the connection sheet (5) is connect with the chip board (1), the second end of the connection sheet (5)
It is connect with the nut (32), the width of the first end of the connection sheet (5) in the direction of motion perpendicular to the chip board (1)
Greater than the second end of the connection sheet (5) the direction of motion of the parallel chip board (1) width.
3. CT collimator piece cutting structure according to claim 1, which is characterized in that the lead screw (31) and the output shaft
(21) it is connected by shaft coupling (33).
4. CT collimator piece cutting structure according to claim 1, which is characterized in that further include the first sliding block (41) and first
Guide rail (42), first sliding block (41) are set to one end of the chip board (1), first sliding block (41) and described first
Guide rail (42) cooperation.
5. CT collimator piece cutting structure according to claim 4, which is characterized in that further include and first guide rail (42)
The second guide rail (43) of parallel interval setting, the other end of the chip board (1) are provided with the second sliding block (44), and described second is sliding
Block (44) and second guide rail (43) cooperate.
6. CT collimator piece cutting structure according to claim 1-5, which is characterized in that it further include support frame (6),
The chip board (1) and the motor (2) are all set on support frame as described above (6).
7. a kind of CT scan system, which is characterized in that be sliced and tie including CT collimator as claimed in any one of claims 1 to 6
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564666.XU CN209107384U (en) | 2018-09-21 | 2018-09-21 | A kind of CT collimator piece cutting structure and CT scan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564666.XU CN209107384U (en) | 2018-09-21 | 2018-09-21 | A kind of CT collimator piece cutting structure and CT scan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209107384U true CN209107384U (en) | 2019-07-16 |
Family
ID=67199362
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821564666.XU Active CN209107384U (en) | 2018-09-21 | 2018-09-21 | A kind of CT collimator piece cutting structure and CT scan system |
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| CN (1) | CN209107384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403627A (en) * | 2019-07-24 | 2019-11-05 | 深圳市深图医学影像设备有限公司 | Electronic control tune window device for beam-defining clipper |
-
2018
- 2018-09-21 CN CN201821564666.XU patent/CN209107384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403627A (en) * | 2019-07-24 | 2019-11-05 | 深圳市深图医学影像设备有限公司 | Electronic control tune window device for beam-defining clipper |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Patentee after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |