CN208093167U - Ray collimator and ray radiation apparatus - Google Patents
Ray collimator and ray radiation apparatus Download PDFInfo
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- CN208093167U CN208093167U CN201820382124.4U CN201820382124U CN208093167U CN 208093167 U CN208093167 U CN 208093167U CN 201820382124 U CN201820382124 U CN 201820382124U CN 208093167 U CN208093167 U CN 208093167U
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- screw rod
- limit beam
- ray collimator
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- beam plate
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Abstract
The utility model discloses a kind of ray collimator and ray radiation apparatus.The ray collimator includes：Mounting bracket；Driving device, the driving device are installed on the mounting bracket；Screw rod, the screw rod, which is sequentially connected with the driving device and is driven by the driving device, to be rotated；Limit beam plate, the limit beam plate connect with the screw drive to be rotated under the drive of the screw rod, it is described limit beam plate with along the screw rod axially through and along the screw rod multiple limit beam holes circumferentially；Lift adjustment component, the lift adjustment component are sequentially connected with the screw rod and the limit beam plate respectively, and the lift adjustment component is configured to the axial linear movement at the limit beam plate along the screw rod by the convert rotational motion of the screw rod.Ray collimator according to the present utility model, model selection is diversified, it is high, simple in structure, at low cost to limit beam accuracy, occupies little space.
Description
Technical field
The utility model is related to ray radiation apparatus technical fields, in particular to a kind of ray collimator and have
The ray radiation apparatus of the ray collimator.
Background technology
X-ray emitter in the related technology limits the radiation scope of X-ray so that X is penetrated usually using collimator
Pass through in the hole that line can only be limited from collimator, and cannot pass through from the space except hole.Collimator can be by one
Or multiple plates are constituted, and the different multiple trepannings of shape and size can be arranged on a plate.In this way, when using different imagings
When exposure mode, X-ray can be correspondingly limited by the trepanning of different shape or size.
However, the space size of imaging device limits the quantity for the trepanning that collimator can arrange, and multi-plate collimation
Device generally requires multiple driving devices and goes limitation X-ray with vertical direction in the horizontal direction respectively, causes cost to increase, structure is multiple
Hydridization and the arrangement space for requiring bigger.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out a kind of ray collimator, the ray collimator is diversified with model selection, limit beam accuracy is high, simple in structure, cost
Low, the advantages that occupying little space.
The utility model also proposes a kind of ray radiation apparatus with the ray collimator.
According to the ray collimator of the utility model first aspect embodiment, including：Mounting bracket；Driving device, it is described
Driving device is installed on the mounting bracket；Screw rod, the screw rod are sequentially connected with the driving device and are filled by the driving
Set driving rotation；Beam plate is limited, the limit beam plate is connect with the screw drive to be rotated under the drive of the screw rod, the limit
Beam plate have along the screw rod axially through and along the screw rod multiple limit beam holes circumferentially；Lift adjustment component,
The lift adjustment component is sequentially connected with the screw rod and the limit beam plate respectively, the lift adjustment component be configured to by
The convert rotational motion of the screw rod is at the limit beam plate along the axial linear movement of the screw rod.
According to the ray collimator of the utility model embodiment, using driving device drive screw turns, and screw rod drives
It limits beam plate to rotate synchronously, the limit beam hole of different shape and size can be selected；Make limit beam plate along the axial movement of screw rod,
Limit beam hole can be adjusted and penetrate the distance between source focus, to change the size of visual field, therefore, model selection diversification,
Limit beam accuracy it is high, it is simple in structure, at low cost, occupy little space.
In addition, also having following additional technical characteristic according to the ray collimator of the utility model embodiment：
Some embodiments according to the present utility model, the lift adjustment component include：Guide part, the guide part installation
In the mounting bracket；Driving member, the driving member are connected with the screw rod and the limit beam plate respectively；Lifters, the liter
Drop part is connected with the driving member, and one end of the lifters and the screw rod are rotatably engaged and the other end and the guiding
Axially slidably cooperation of the part along the screw rod.
Optionally, the driving member is sleeve, and the sleeve is set on the screw rod and the limit beam sleeve-board is located at institute
It states on sleeve.
Advantageously, the screw rod is equipped with the first screw thread and described one end of the lifters is equipped with threaded hole.
Optionally, the guide part is rod piece and the other end of the lifters is equipped with through-hole.
In some embodiments of the utility model, the lifters are located axially at the driving dress the screw rod
It sets between the driving member.
In some specific embodiments of the utility model, the lift adjustment component further includes：Elastic component, the elasticity
Part is connected with the screw rod and the driving member and the driving member is pressed to the lifters respectively.
Advantageously, the elastic component be spring, the lift adjustment component further includes adjusting nut, the adjusting nut with
The second screw-thread fit on the screw rod, the spring be set on the screw rod and both ends respectively with the adjusting nut and institute
Driving member is stated to offset.
Some embodiments according to the present utility model, the driving device be motor, the motor shaft of the motor with it is described
Screw rod is connected.
According to the ray radiation apparatus of the utility model second aspect embodiment, including according to the utility model first aspect
Ray collimator described in embodiment.
According to the ray radiation apparatus of the utility model embodiment, by using ray collimator as described above, pattern
Selection is diversified, it is high, simple in structure, at low cost to limit beam accuracy, occupies little space.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
Fig. 1 is the explosive view according to the ray collimator of the utility model embodiment；
Fig. 2 is the stereogram according to the ray collimator of the utility model embodiment；
Fig. 3 is the stereogram according to the ray collimator of the utility model embodiment；
Fig. 4 is the stereogram according to the screw rod of the ray collimator of the utility model embodiment；
Fig. 5 is the operation principle schematic diagram according to the ray collimator of the utility model embodiment.
Reference numeral：
Ray collimator 10, sensor 20,
Mounting bracket 100, washer 101, driving device 200, motor shaft 201,
Screw rod 300, the first screw thread 301, the second screw thread 302,
Limit beam plate 400, limit beam hole 401, substrate 410, permeation-proof plate 420,
Lift adjustment component 500, guide part 510, driving member 520, lifters 530, threaded hole 531, through-hole 532, elasticity
Part 540, adjusting nut 550.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to the accompanying drawings ray collimator 10 according to the utility model first aspect embodiment is described.
As Figure 1-Figure 5, according to the ray collimator of the utility model embodiment 10, including：Mounting bracket 100 is driven
Dynamic device 200, screw rod 300, limit beam plate 400 and lift adjustment component 500.
Specifically, driving device 200 is installed on mounting bracket 100.Screw rod 300 is sequentially connected with driving device 200, and
Screw rod 300 is driven by driving device 200 to be rotated.For example, driving device 200 is motor, motor shaft 201 and the screw rod 300 of motor
It is connected, screw rod 300 is fastened on by jackscrew on motor shaft 201.
It limits beam plate 400 to be sequentially connected to rotate under the drive of screw rod 300 with screw rod 300, limit beam plate 400 has multiple limits
Beam hole 401, circumferentially along screw rod 300, each limit beam hole 401 is along screw rod 300 axially through limit beam for multiple limit beam holes 401
Plate 400, for example, limit beam plate 400 can be circle.Here, the shape and size of multiple limit beam holes 401 can be different from each other, with
Meet different imaging pattern demands.
It is appreciated that limit beam plate 400 may include substrate 410 and permeation-proof plate 420, permeation-proof plate 420 is located at the back of the body of substrate 410
To a side surface of driving device 200.For example, substrate 410 is metallic plate, permeation-proof plate 420 is stereotype.
Lift adjustment component 500 is sequentially connected with screw rod 300 and limit beam plate 400 respectively, and lift adjustment component 500 is constructed
At the axial linear movement along screw rod 300 by the convert rotational motion of screw rod 300 at limit beam plate 400.Wherein, with screw rod
300 axial direction is as Z-direction.
As shown in figure 5, it is S1 to penetrate the distance between source focus Q1 and ray collimator 10, source focus Q1 and rotation center are penetrated
The distance between Q2 is S2, and limit beam hole 401 is H1 along the radial width of screw rod 300, and visual field is radial along screw rod 300
Width is H2, and it is H3 to penetrate source focus Q1 in the radial projection width of 20 upper edge screw rod 300 of sensor.Wherein, S1/S2=H1/
H2, in the case where H3 is no more than the face width size of sensor 20, the size of H2 is determined by S1, S2, H1.Therefore, right
For ray collimator 10, the size of visual field can be adjusted by changing S1 and H1.The change of H1 can be by adjusting limit beam
It is realized in the width radially of limit beam plate 400 in hole 401；The change of S1 can limit beam plate 400 relative to penetrating source by change
The distance of focus Q1 is realized.
As a result, according to the ray collimator of the utility model embodiment 10, driving device 200 drives screw rod 300 to rotate, and
When screw rod 300 drives limit beam plate 400 to rotate synchronously, the limit beam hole 401 of different shape and size can be selected；Meanwhile
Beam plate 400 is limited to adjust limit beam hole 401 along the axial movement of screw rod 300 with this and penetrate the distance between source focus Q1, to
Change the size of visual field.
In short, according to the ray collimator 10 of the utility model embodiment, 400 turns of limit beam plate is driven using screw rod 300
It is dynamic, and using perpendicular to the Z axis space for penetrating source plane, the size of XY axis place plane has been saved, thus model selection diversification,
Limit beam accuracy it is high, it is simple in structure, at low cost, occupy little space.
In some embodiments of the utility model, the central axis weight of the central axis and limit beam plate 400 of screw rod 300
It closes, in the axial perspective plane perpendicular to screw rod 300, the center of the projection of multiple limit beam holes 401 is located at the throwing of screw rod 300
The center of shadow is on the same circumference in the center of circle, that is, the central axis of multiple limit beam holes 401 is distributed in the central shaft of screw rod 300
Centered on line on the cylindrical surface of axis, to ensure to limit beam accuracy.
Some embodiments according to the present utility model, as shown in Figure 1-Figure 3, lift adjustment component 500 includes：Guide part
510, driving member 520 and lifters 530.
Specifically, guide part 510 is installed on mounting bracket 100 by the fastener of washer 101 and for example, screw.Transmission
Part 520 is connected with screw rod 300 and limit beam plate 400 respectively.Lifters 530 are connected with driving member 520, one end of lifters 530 with
Screw rod 300 is rotatably engaged, and the other ends of lifters 530 is with guide part 510 along the axially slidably cooperation of screw rod 300.
In this way, drive limit beam plate 400 to rotate by driving member 520 when screw rod 300 rotates, meanwhile, lifters 530 are in guide part 510
Constraint is lower can only be along the axial movement of screw rod 300, and drives limit beam plate 400 along screw rod 300 by driving member 520 when moving
Axial movement.
Optionally, as shown in Figure 1-Figure 3, driving member 520 is sleeve, and sleeve is set on screw rod 300 and limits 400 sets of beam plate
It is located on sleeve.For example, flat bit architecture can be arranged in the peripheral surface of screw rod 300, to ensure the reliable biography of sleeve and screw rod 300
It is dynamic.
Advantageously, as shown in Figure 1 and Figure 4, screw rod 300 is equipped with the first screw thread 301 and described one end of lifters 530 is equipped with
Threaded hole 531.In this way, 300 every revolution of screw rod, lifters 530 are along one screw pitch of axial movement of screw rod 300, limit beam plate 400
Also along one screw pitch of the axial movement of screw rod 300.That is, for the same limit beam hole 401, it and penetrate between the focus Q1 of source
Distance has increasedd or decreased a screw pitch.In this way, for each limit beam hole 401, adjusting different screw pitch multiples can
To obtain visual field of corresponding size, the size of visual field window can be proportionally zoomed in or out.
Optionally, it as shown in Figure 1, guide part 510 is rod piece and the other end of lifters 530 is equipped with through-hole 532, leads
Through-hole 532 is passed through to part 510, to guide swimmingly the sliding axially along screw rod 300 of lifters 530.
In some embodiments of the utility model, as shown in Figure 1-Figure 3, lifters 530 are upper in the axial direction of screw rod 300
Between driving device 200 and driving member 520, in this way, the structure of ray collimator 10 can be simplified, structural compactness is improved,
Reduce volume.
In some specific embodiments of the utility model, as shown in Figure 1-Figure 3, lift adjustment component 500 further includes bullet
Property part 540, elastic component 540 is connected with screw rod 300 and driving member 520 respectively, and driving member 520 is pressed to lifting by elastic component 540
Part 530 is tightly pressed against 530 top of lifters, to allow to limit beam plate 400 as lifters 530 move to limit beam plate 400.
Advantageously, as Figure 1-Figure 4, elastic component 540 is spring (being, for example, compression spring), and lift adjustment component 500 also wraps
Adjusting nut 550 is included, adjusting nut 550 coordinates with the second screw thread 302 on screw rod 300, and spring is set on screw rod 300, and
The both ends of spring offset with adjusting nut 550 and sleeve respectively, and adjusting nut 550 can pre-tighten spring.In this way, limit beam
Plate 400 is pressed in across sleeve in lifters 530 by spring.
The collimator in the space on a direction, the ray collimation of the utility model are only utilized in compared to the prior art
Device 10 takes full advantage of three dimensions, and only one motor can realize the transformation of limit beam hole 401 and limit beam hole 401 and She Yuan
The variation of the distance between focus Q1 can make visual field increase exponentially or reduce, to which model selection is more diversified, limit
Beam is also more accurate, and structure is simpler, reliable.
According to the ray radiation apparatus of the utility model second aspect embodiment, including according to the utility model first aspect
Ray collimator 10 described in embodiment.
According to the ray radiation apparatus of the utility model embodiment, by using ray collimator 10 as described above, mould
Formula selection is diversified, it is high, simple in structure, at low cost to limit beam accuracy, occupies little space.
According to other compositions of the ray radiation apparatus of the utility model embodiment and operate for the common skill in this field
All it is known for art personnel, is not detailed herein.
In the description of the present invention, it should be understood that term "center", " width ", "upper", "lower", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can also be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms
It may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiments or example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
1. a kind of ray collimator, which is characterized in that including：
Mounting bracket；
Driving device, the driving device are installed on the mounting bracket；
Screw rod, the screw rod, which is sequentially connected with the driving device and is driven by the driving device, to be rotated；
Beam plate is limited, the limit beam plate is connect with the screw drive to be rotated under the drive of the screw rod, the limit beam plate tool
Have along the screw rod axially through and along the screw rod multiple limit beam holes circumferentially；
Lift adjustment component, the lift adjustment component are sequentially connected with the screw rod and the limit beam plate respectively, the lifting
Adjusting part is configured at the limit beam plate move the convert rotational motion of the screw rod along the axial straight line of the screw rod
It is dynamic.
2. ray collimator according to claim 1, which is characterized in that the lift adjustment component includes：
Guide part, the guide part are installed on the mounting bracket；
Driving member, the driving member are connected with the screw rod and the limit beam plate respectively；
Lifters, the lifters are connected with the driving member, and one end of the lifters is rotatably engaged with the screw rod
And the other end and the guide part are along the axially slidably cooperation of the screw rod.
3. ray collimator according to claim 2, which is characterized in that the driving member is sleeve, and the sleeve is arranged
On the screw rod and the limit beam sleeve-board is located on the sleeve.
4. ray collimator according to claim 2, which is characterized in that the screw rod is equipped with the first screw thread and the lifting
Described one end of part is equipped with threaded hole.
5. ray collimator according to claim 2, which is characterized in that the guide part is rod piece and the lifters
The other end is equipped with through-hole.
6. ray collimator according to claim 2, which is characterized in that the lifters are upper in the axial direction of the screw rod
Between the driving device and the driving member.
7. ray collimator according to claim 2, which is characterized in that the lift adjustment component further includes：
Elastic component, the elastic component are connected with the screw rod and the driving member and the driving member are pressed to the lifting respectively
Part.
8. ray collimator according to claim 7, which is characterized in that the elastic component is spring, the lift adjustment
Component further includes adjusting nut, and the adjusting nut and the second screw-thread fit on the screw rod, the spring are set in described
On screw rod and both ends offset with the adjusting nut and the driving member respectively.
9. according to the ray collimator described in any one of claim 1-8, which is characterized in that the driving device is motor,
The motor shaft of the motor is connected with the screw rod.
10. a kind of ray radiation apparatus, which is characterized in that include the ray collimation according to any one of claim 1-9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382124.4U CN208093167U (en) | 2018-03-20 | 2018-03-20 | Ray collimator and ray radiation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382124.4U CN208093167U (en) | 2018-03-20 | 2018-03-20 | Ray collimator and ray radiation apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208093167U true CN208093167U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820382124.4U Active CN208093167U (en) | 2018-03-20 | 2018-03-20 | Ray collimator and ray radiation apparatus |
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| CN (1) | CN208093167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364707A (en) * | 2018-03-20 | 2018-08-03 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation apparatus |
-
2018
- 2018-03-20 CN CN201820382124.4U patent/CN208093167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364707A (en) * | 2018-03-20 | 2018-08-03 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation apparatus |
| CN108364707B (en) * | 2018-03-20 | 2023-09-22 | 合肥美亚光电技术股份有限公司 | Ray collimator and ray radiation device |
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