CN105310711B - Beam limiter of X-ray photographic system - Google Patents
Beam limiter of X-ray photographic system Download PDFInfo
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- CN105310711B CN105310711B CN201510921609.7A CN201510921609A CN105310711B CN 105310711 B CN105310711 B CN 105310711B CN 201510921609 A CN201510921609 A CN 201510921609A CN 105310711 B CN105310711 B CN 105310711B
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Abstract
The invention discloses a beam limiter of an X-ray photography system, which comprises an upper blade, a machine head, a supporting seat, a shading seat mechanism, an X-axis beam limiting mechanism, a Y-axis beam limiting mechanism, a reflector, a light source box, a left machine cover, a right machine cover and a transmission mechanism. The shading working mode of the invention adopts a double-rocker structure, the transmission gear is rotated through the adjusting rod, the first gear and the second gear which are meshed with the transmission gear rotate along with the transmission gear, and the shading light in the X direction are driven, thereby achieving the purpose of controlling the range of X rays, and the adjustable damping mechanism is added on the adjusting rod, so that the hand feeling of the adjusting rod can be adjusted; the invention has the advantages of simple structure, stable performance and longer service life.
Description
Technical field
The present invention relates to beam-defining clipper technical field more particularly to a kind of shadowgraph system beam-defining clippers.
Background technology
In X X-ray machine X systems, beam-defining clipper is typically mounted on bulb in the following, bulb launches X rays, the X
Ray is projected by the blade openings inside beam-defining clipper on shot subject.The size of the blade openings of beam-defining clipper, i.e. blade are beaten
The size opened, determines the projection scope of the X rays of outgoing, and the range excess portion beyond blade openings that bulb is launched
Divide ray, will be absorbed by blade, and stop and cannot project.X rays are harmful to human body, need the throwing for controlling X rays
It penetrates range it is made only to be irradiated to patient and need the position that checks, can protect the position that patient need not check by need not in this way
The irradiation for the X rays wanted.
To avoid extra X-ray to the injury of human body, beam-defining clipper is needed to shield extra X-ray；For controlling beam-defining clipper
The device of blade openings size is commonly referred to as blade driving apparatus.Beam-defining clipper blade driving apparatus has gear swing rod driving dress at present
It sets, steel wire rope rod-swinging driving device and leading screw add the linear guide driving device etc..
The device of beam-defining clipper blade is driven to be referred to as the stay-supported structure of multilayer parallel with steel wire rope swing rod, work is former
Reason is：The rotation of beam-defining clipper substrate upper knob is transformed into linear motion by steel wire rope, and drive is transmitted to by one group of guide roller
Driving wheel makes its rotation, and fixed swing rod rotation on the drive wheel is driven to make to drive the blade movement being fixed on swing rod
Blade is opened or is completely closed completely, can also be rested in the intermediate any angle of needs.However, in this driving device,
Front and back blade and left and right blade are respectively necessary for two groups of steel wire ropes and carry out independent control.It realizes that X, Y-direction ray are blocked, whole knot
Structure complexity is cumbersome, and is collided frequent occurrence between two layers, reduces experience sense when operation.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of shadowgraph system beam-defining clipper.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes blade, head, support base, shading seat mechanism, XZhou Xian beams mechanism, YZhou Xian beams mechanism, reflective
Mirror, light source box, left cover, right cover and transmission mechanism, upper leaf piece are installed on the upper end of the support base, the support base
Lower end be provided with the shading seat mechanism, be provided in the shading seat mechanism orthogonal XZhou Xian beams mechanism and
YZhou Xian beams mechanism, the reflective mirror is set to the upside for being located at the transmission mechanism in the support base, and can pass through
The transmission mechanism rotation, the light source box is set to the side of the support base, and can be rotated by the transmission mechanism,
The head is set to the middle part of upper leaf piece, and the left cover and the right cover are respectively arranged at the phase of the support base
On two adjacent faces.
Currently preferred, the upper of upper leaf piece is provided with head backplate, the machine on the outer wall of the head
It is provided with latch on the outside of head backplate.
Currently preferred, the transmission mechanism includes transmission gear, rotary gear shaft, adjusting rod, adjusts axle sleeve, the first tooth
Wheel, second gear and gear cap, the outer end of the rotary gear shaft are provided with the transmission gear, the other end of the rotary gear shaft
Mutually ratcheting with the first gear and the second gear respectively, the first gear and the second gear are mutually ratcheting,
And its outer end is provided with the gear cap, being provided with the adjusting rod on the outside of the first gear and the second gear passes through
The adjusting axle sleeve is ratcheting.
Currently preferred, XZhou Xian beams mechanism includes the first X-axis shading seat, the second X-axis shading seat, the first X-axis limit
Beam piece and the second X-axis limit beam piece, and the first X-axis shading seat and the V-shaped structure of the second X-axis shading seat are installed on institute
The first X-axis limit beam piece and second X-axis limit beam piece is arranged inside in the bottom for stating support base.
It is currently preferred, it is connected by the first connection card between the first X-axis limit beam piece and the first gear,
It is connected by the second connection card between the second X-axis limit beam piece and the second gear.
Currently preferred, YZhou Xian beams mechanism includes the first Y-axis shading seat, the second Y-axis shading seat, the first Y-axis limit
Beam piece and the second Y-axis limit beam piece, and the first Y-axis shading seat and the second Y-axis shading seat are corresponding respectively to be installed on described the
One X-axis limits beam piece and second X-axis limits beam piece, and is mutually perpendicular to, and the first Y-axis limit beam piece and second Y-axis limit beam
Piece is respectively perpendicular the middle part for being installed on the first X-axis shading seat and the second X-axis shading seat.
The beneficial effects of the present invention are：
Shading working method of the present invention uses double rocking lever structure, so that transmission gear is rotated by adjusting rod, with transmission gear
Ratcheting first gear and second gear rotates with, and drives shading under shading and X-direction under X-direction, is penetrated to reach control X
The purpose of line range increases adjustable damping mechanism on adjusting rod, the feel of adjusting rod can be adjusted；The present invention has knot
Structure is simple, performance is stable and the longer advantage of service life.
Description of the drawings
Fig. 1 is the dimensional structure diagram of shadowgraph system beam-defining clipper of the present invention；
Fig. 2 is the left view structural representation of shadowgraph system beam-defining clipper of the present invention；
Fig. 3 is the backsight structural representation of shadowgraph system beam-defining clipper of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
：The present invention includes blade 1, head 3, support base 15, shading seat mechanism, X-axis limit
Beam mechanism, YZhou Xian beams mechanism, reflective mirror 110, light source box 111, left cover 9, right cover 13 and transmission mechanism, blade 1 are installed
In the upper end of support base 15, the lower end of support base 15 is provided with shading seat mechanism, and orthogonal X is provided in shading seat mechanism
Zhou Xian beams mechanism and YZhou Xian beams mechanism, reflective mirror 110 is set to the upside for being located at transmission mechanism in support base 15, and can lead to
Transmission mechanism rotation is crossed, light source box 111 is set to the side of support base 15, and can be rotated by transmission mechanism, and head 3 is arranged
In the middle part of blade 1, left cover 9 and right cover 13 are respectively arranged on two adjacent faces of support base 15, blade 1
Upper to be provided with head backplate 2 on the outer wall of head 3, the outside of head backplate 2 is provided with latch 4.
As depicted in figs. 1 and 2, transmission mechanism includes transmission gear 5, rotary gear shaft 6, adjusting rod 10, adjusts axle sleeve 14, the
One gear 103, second gear 104 and gear cap 105, the outer end of rotary gear shaft 6 are provided with transmission gear 5, rotary gear shaft 6 it is another
One end is mutually ratcheting with first gear 103 and second gear 104 respectively, and first gear 103 and second gear 104 are mutually ratcheting,
And its outer end is provided with gear cap 105, the outside of first gear 103 and second gear 104 is provided with adjusting rod 10 and passes through adjusting
Axle sleeve 14 is ratcheting.
As depicted in figs. 1 and 2, XZhou Xian beams mechanism includes the first X-axis shading seat 7, the second X-axis shading seat 8, the first X-axis limit
Beam piece 101 and the second X-axis limit beam piece 102, the first X-axis shading seat 7 and 8 V-shaped structure of the second X-axis shading seat are installed on branch
The bottom for supportting seat 15, is arranged inside the first X-axis limit beam piece 101 and the second X-axis limit beam piece 102, the first X-axis limit beam piece 101 with
It is connected by the first connection card 106 between first gear 103, is passed through between the second X-axis limit beam piece 101 and second gear 104
Second connection card 107 connects.
As shown in Figures 2 and 3, YZhou Xian beams mechanism includes the first Y-axis shading seat 11, the second Y-axis shading seat 12, the first Y-axis
Limit beam piece 108 and the second Y-axis limit beam piece 109, the first Y-axis shading seat 11 and the second Y-axis shading seat 12 are corresponding respectively to be installed on the
One X-axis limits beam piece 101 and the second X-axis limit beam piece 102, and is mutually perpendicular to, and the first Y-axis limits beam piece 108 and the second Y-axis limits beam piece
109 are respectively perpendicular the middle part for being installed on the first X-axis shading seat 7 and the second X-axis shading seat 8.
Working principle of the present invention is as follows：
As shown in Figure 1, Figure 2 and Figure 3, the present invention passes through adjusting rod by shading working method using 10 structure of double adjusting rods
10 make transmission gear 5 rotate, and mutually ratcheting first gear 105 and second gear 104 rotate with transmission gear 5, drive X
Zhou Xian beams mechanism and Y-axis limit beam mechanism kinematic, and drive 111 adjusting position of reflective mirror 110 and light source box, to reach control
The purpose of X-ray range can increase adjustable damping mechanism on adjusting rod 10, the feel of adjusting rod 10 can be adjusted.
In conclusion shading working method of the present invention uses double rocking lever structure, transmission gear is set to rotate by adjusting rod, with
The ratcheting first gear of transmission gear and second gear rotate with, and shading under shading and X-direction under X-direction are driven, to reach
Increase adjustable damping mechanism to the purpose of control X-ray range, on adjusting rod, the feel of adjusting rod can be adjusted；This
Invention has the advantages that simple in structure, performance is stable and service life is longer.
Those skilled in the art do not depart from the present invention essence and spirit, can there are many deformation scheme realize the present invention,
The foregoing is merely preferably feasible embodiments of the invention, not thereby limit to the interest field of the present invention, all with this
Equivalent structure made by description of the invention and accompanying drawing content changes, and is both contained within the interest field of the present invention.
Claims (5)
1. a kind of shadowgraph system beam-defining clipper, it is characterised in that：Including blade, head, support base, shading seat mechanism, X-axis
Xian Shu mechanisms, YZhou Xian beams mechanism, reflective mirror, light source box, left cover, right cover and transmission mechanism, upper leaf piece are installed on institute
The upper end of support base is stated, the lower end of the support base is provided with the shading seat mechanism, phase is provided in the shading seat mechanism
Mutually vertical XZhou Xian beams mechanism and YZhou Xian beams mechanism, the reflective mirror are set in the support base positioned at described
The upside of transmission mechanism, and can be rotated by the transmission mechanism, the light source box is set to the side of the support base, and
It can be rotated by the transmission mechanism, the head is set to the middle part of upper leaf piece, the left cover and the right machine
Lid is respectively arranged on two adjacent faces of the support base；
The transmission mechanism includes transmission gear, rotary gear shaft, adjusting rod, adjusts axle sleeve, first gear, second gear and gear
Lid, the outer end of the rotary gear shaft are provided with the transmission gear, the other end of the rotary gear shaft respectively with first tooth
Wheel and the second gear are mutually ratcheting, and the first gear and the second gear are mutually ratcheting, and the setting of its outer end is
Gear cap is stated, the adjusting rod is provided on the outside of the first gear and the second gear and passes through the adjusting axle sleeve tooth
It closes.
2. shadowgraph system beam-defining clipper according to claim 1, it is characterised in that：Upper leaf piece it is upper be located at it is described
It is provided with head backplate on the outer wall of head, latch is provided on the outside of the head backplate.
3. shadowgraph system beam-defining clipper according to claim 1, it is characterised in that：XZhou Xian beams mechanism includes first
X-axis shading seat, the second X-axis shading seat, the first X-axis limit beam piece and the second X-axis limit beam piece, the first X-axis shading seat and described
The second V-shaped structure of X-axis shading seat is installed on the bottom of the support base, and the first X-axis limit beam piece is arranged inside
Beam piece is limited with second X-axis.
4. shadowgraph system beam-defining clipper according to claim 3, it is characterised in that：First X-axis limit beam piece with it is described
It is connected by the first connection card between first gear, passes through second between the second X-axis limit beam piece and the second gear
Connection card connects.
5. shadowgraph system beam-defining clipper according to claim 3, it is characterised in that：YZhou Xian beams mechanism includes first
Y-axis shading seat, the second Y-axis shading seat, the first Y-axis limit beam piece and the second Y-axis limit beam piece, the first Y-axis shading seat and described
Second Y-axis shading seat is corresponding respectively to be installed on the first X-axis limit beam piece and second X-axis limit beam piece, and is mutually perpendicular to, institute
It states the first Y-axis limit beam piece and second Y-axis limit beam piece is respectively perpendicular and is installed on the first X-axis shading seat and the 2nd X
The middle part of axis shading seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510921609.7A CN105310711B (en) | 2015-12-14 | 2015-12-14 | Beam limiter of X-ray photographic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510921609.7A CN105310711B (en) | 2015-12-14 | 2015-12-14 | Beam limiter of X-ray photographic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105310711A CN105310711A (en) | 2016-02-10 |
| CN105310711B true CN105310711B (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510921609.7A Active CN105310711B (en) | 2015-12-14 | 2015-12-14 | Beam limiter of X-ray photographic system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107242880A (en) * | 2017-06-06 | 2017-10-13 | 深圳市创谷科技发展有限公司 | X-ray beam limiter and X-ray photography system |
| CN111000582B (en) * | 2019-12-31 | 2024-04-26 | 南通市亿东医疗仪器有限公司 | X-ray radiation protection device for joint lifting of bulb tube, screen frame and DR imaging plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670226A (en) * | 2012-05-24 | 2012-09-19 | 重庆华伦弘力实业有限公司 | Blade linkage driving device for beam limiter of X-ray machine |
| CN202821393U (en) * | 2012-10-18 | 2013-03-27 | 汕头市超声仪器研究所有限公司 | Beam limiting device |
| CN203597966U (en) * | 2013-12-13 | 2014-05-21 | 上海医疗器械厂有限公司 | Medical diagnosis X-ray variable beam limiting device |
| CN204033360U (en) * | 2014-08-19 | 2014-12-24 | 南宁一举医疗电子有限公司 | The plumbous Baffle drive device of a kind of Portable X-ray machine beam-defining clipper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100525706C (en) * | 2002-07-02 | 2009-08-12 | 株式会社日立医药 | Moving X-ray inspection apparatus |
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2015
- 2015-12-14 CN CN201510921609.7A patent/CN105310711B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670226A (en) * | 2012-05-24 | 2012-09-19 | 重庆华伦弘力实业有限公司 | Blade linkage driving device for beam limiter of X-ray machine |
| CN202821393U (en) * | 2012-10-18 | 2013-03-27 | 汕头市超声仪器研究所有限公司 | Beam limiting device |
| CN203597966U (en) * | 2013-12-13 | 2014-05-21 | 上海医疗器械厂有限公司 | Medical diagnosis X-ray variable beam limiting device |
| CN204033360U (en) * | 2014-08-19 | 2014-12-24 | 南宁一举医疗电子有限公司 | The plumbous Baffle drive device of a kind of Portable X-ray machine beam-defining clipper |
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| CN105310711A (en) | 2016-02-10 |
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