CN203388870U - Shading device - Google Patents
Shading device Download PDFInfo
- Publication number
- CN203388870U CN203388870U CN201320469057.7U CN201320469057U CN203388870U CN 203388870 U CN203388870 U CN 203388870U CN 201320469057 U CN201320469057 U CN 201320469057U CN 203388870 U CN203388870 U CN 203388870U
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- Prior art keywords
- blade
- guide rail
- light shielding
- shielding device
- conveyer belt
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 208000019300 CLIPPERS Diseases 0.000 description 9
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 208000019155 Radiation injury Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model provides a shading device which comprises a base, a plurality of blade groups and a plurality of transmission units. A square opening is formed in the center of the base, the outer sides of the opening are respectively provided with a guide rail, the adjacent guide rails are positioned on two sides of the base, each blade group comprises an upper blade, a lower blade and a connecting plate, each upper blade is connected with the corresponding lower blade in a coupled manner through the connecting plate, two ends of each upper blade and two ends of each lower blade are positioned in the opposite guide rails respectively, each transmission unit comprises a driving wheel, a plurality of driven wheels and a conveying belt sleeved on the driving wheel and the driven wheels to form a U-shaped closed loop, and two ends of each upper blade of the blade groups are fixed onto the corresponding conveying belt. The shading device is simple and compact in integral structure and small in occupied space, the blade groups can simultaneously smoothly move, and the moving distance of the blade groups can be accurately controlled.
Description
Technical field
This utility model relates to medical instruments field, specifically, relates to a kind of light shielding device for X-ray production apparatus beam-defining clipper.
Background technology
On medical X ray machine, need to install beam-defining clipper, beam-defining clipper, for controlling the projection scope of X ray, covers unnecessary X ray, and X ray is only radiated at needs the position of diagnosis or treatment, avoids unnecessary X ray to cause radiation injury to patient and operator.Beam-defining clipper on market, although of a great variety, function is close.If by each function modoularization of beam-defining clipper, then each functional module is combined as to required beam-defining clipper selectively, to arrive Modularly Design and manufacture, is so not only conducive to production and the maintenance of beam-defining clipper, be also conducive to the reduction of cost.
Realize beam-defining clipper shielding function mode various, wherein, fork shield effectiveness is poor, and the manufacturing cost of screw mandrel is higher, and blade interlock can overcome these drawbacks.But in prior art, blade interlock mode exists certain drawback, for example, each needs a pedestal vane group of both direction, has increased and has taken up room; For another example, when selecting conveyer belt, if select Timing Belt, although move distance precise control take up room large, if select steel wire rope, though it is little to take up room, but transferring power easily skid make out of control, thereby reduced reliability.These shortcomings make blade interlock mode not to be applied to modularity beam-defining clipper as functional module.
Thereby, need a kind of light shielding device, both needed to save space, reduce costs again, improve reliability, to expand the scope of application of blade interlock mode simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of light shielding device, and the overall structure of this light shielding device is simply compact, takes up room little, and vane group can smoothly move simultaneously, and the displacement of vane group can accurately be controlled.
For achieving the above object, this utility model provides a kind of light shielding device, and this light shielding device comprises: pedestal, described pedestal center is provided with opening, described opening is square, and in the outside of described opening, is respectively provided with a guide rail, and contiguous guide rail is positioned at the both sides of described pedestal; A plurality of vane group, described vane group comprises blade, lower blade and connecting plate, and described blade and described lower blade are of coupled connections by described connecting plate, and the two ends of described blade and described lower blade lay respectively in relative described guide rail; And a plurality of gear units, described gear unit comprises driving wheel, a plurality of driven pulleys and conveyer belt, and described conveyer belt is enclosed within on described driving wheel and described driven pulley, to form U-shaped closed-loop path, the two ends of the blade of described vane group are fixed on described conveyer belt.
Preferably, described guide rail is chute guide rail.
Preferably, move simultaneously at the two ends of described vane group.
Preferably, the number of described gear unit is two, lays respectively at the both sides of described pedestal.
Preferably, described driving wheel is synchronous pulley.
Preferably, the driving interface of described driving wheel is at homonymy.
Preferably, described conveyer belt comprises Timing Belt and steel wire rope, and described Timing Belt and described steel wire rope are fixed by contiguous block.
In addition, preferably, described conveyer belt and tensioner frame and spring are fixed.
According to description above and put into practice knownly, many groups vane group of light shielding device described in the utility model shares a pedestal, can save space and manufacturing cost, and connecting plate, between blade and lower blade, makes compact conformation, and it is little to take up room; Adopt the combination traction vane group of Timing Belt and steel wire rope to move, both can accurately control displacement, can save segment space again, with the top of two groups of vane group in pair of guide rails, be connected to the two ends of Timing Belt, when Timing Belt moves, draw two groups of vane group and move simultaneously, to improve synchronicity; On conveyer belt, be provided with spring, both ends of the spring rigidly fixes, can be so that vane group stress balance, and moving hormany.
Accompanying drawing explanation
By below in conjunction with accompanying drawing, embodiment being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the end face schematic diagram of the light shielding device described in an embodiment of the present utility model;
Fig. 2 is the schematic bottom view of the light shielding device described in the embodiment of Fig. 1; And
Fig. 3 is the end face schematic diagram of the using state of the light shielding device shown in Fig. 1 and Fig. 2.
The specific embodiment
The embodiment of light shielding device described in the utility model is described below with reference to the accompanying drawings.Those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise with various mode or its combination.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.In addition, in this manual, accompanying drawing draws not in scale, and identical Reference numeral represents identical part.
Fig. 1 is the end face schematic diagram of the light shielding device described in an embodiment of the present utility model.Fig. 2 is the schematic bottom view of the light shielding device described in the embodiment of Fig. 1.Fig. 3 is the end face schematic diagram of the using state of the light shielding device shown in Fig. 1 and Fig. 2.As shown in Figure 1, Figure 2 and Figure 3, the light shielding device 1000 described in an embodiment of the present utility model comprises pedestal 100, a plurality of vane group 200 and gear unit 300.
Vane group 200 comprises blade 210, lower blade 220 and connecting plate 230, and blade 210 and lower blade 220 are of coupled connections by connecting plate 230.In an embodiment of the present utility model, blade 210 bottom surface is provided with bearing pin 211, the end face of lower blade 220 is provided with bearing pin 221, and connecting plate 230 one end is fixed on pedestal 100 in rotating mode, conventionally near guide rail 120 end, on connecting plate 230, be provided with two grooves 231, the width of groove 231 is corresponding with the width of bearing pin 211, bearing pin 221, and two grooves 231 are of coupled connections with the bearing pin 211 of blade 210 and the bearing pin 221 of lower blade 220 respectively.Because blade 210 and lower blade 220 are of coupled connections by connecting plate 230, when blade 210 moves, drive connecting plate 230 to make lower blade 220 produce interlock, and follow blade 210 differentials and move.
Gear unit 300 comprises driving wheel 310, a plurality of driven pulleys 320 and conveyer belt 330.Conveyer belt 330 is enclosed within on driving wheel 310 and driven pulley 320, to form U-shaped closed-loop path.The number of gear unit 300 is two, lays respectively at pedestal 100 both sides, for convenient, drives, and the driving interface of two driving wheels 310 of substrate 100 both sides is at homonymy.In an embodiment of the present utility model, as shown in Figure 1, at the end face of pedestal 100, in the second guide rail 122 end near vane group 200 bottoms, a driving wheel 310 is set, the driving interface of this driving wheel 310 is connected with external drive power.Conveyer belt 330 two ends are closed, and conveyer belt 330 is inserted in to this driving wheel 310, and conveyer belt 330 forms the inner orbit of close the second guide rail 122 and away from the outside track of the second guide rail 122 after driving wheel 310.The other end at the second guide rail 122 arranges two driven pulleys 320, two tracks of conveyer belt 330 are respectively by two driven pulleys 320, after this, two tracks of conveyer belt 330 extend towards the top orientation of vane group 200 along the vertical direction of the second guide rail 122, in the relative position of the first guide rail 121, two driven pulleys 320 are set, two tracks of conveyer belt 330 are respectively by two driven pulleys 320, after this, two tracks of conveyer belt 330 extend along the parallel direction of the first guide rail 121, conveyer belt 330 forms near the inner orbit of the first guide rail 121 with away from the outside track of the first guide rail 121 after two driven pulleys 320.In first guide rail 121 the other end, a driven pulley 320 is set, conveyer belt 330 is nested into this driven pulley 320.In like manner, in pedestal 100 bottom surface, conveyer belt 330 is enclosed within on driving wheel 310 and driven pulley 320, for two groups of vane group 200 on the 3rd guide rail 123 and the 4th guide rail 124 provide U-shaped closed-loop path.
Conveyer belt 330 comprises Timing Belt 331 and steel wire rope 332, and Timing Belt 331 and steel wire rope 332 interconnect by contiguous block 333.In an embodiment of the present utility model, the length of Timing Belt 331 approximates the length of guide rail 120.Timing Belt 331 two ends connect respectively a contiguous block 333, steel wire rope 332 two ends are also connected to the other two ends of this contiguous block, two parallel tracks that Timing Belt 331 forms with steel wire rope 332, closed by contiguous block, thus form Yi Ge closed-loop path.Timing Belt 331 can accurately be controlled transmitting range, but it is relatively large to take up room, and that steel wire rope takes up room is less, uses the combination of Timing Belt 331 and steel wire rope 332, both can accurately control transmission distance, can take less space again.And, in Timing Belt 331 one end, be provided with spring 340, spring 340 fixes at two ends, the inner tensions that spring 340 can guarantee Timing Belt within the specific limits, both ends of the spring rigidly fixes, can be so that vane group 200 stress balances be fixed to tensioner frame 350 on the contiguous block 333 of this side, so that two groups of vane group 200 can moving hormany.
Vane group 200 is fixed on conveyer belt 330.Wherein, the blade 210 two ends of vane group 200 are separately fixed at the inside and outside track in relative guide rail 120 outsides.In an embodiment of the present utility model, at the end face of pedestal 100, two groups of vane group 200 are all fixed on conveyer belt 330.Blade 210 bottoms of first group of vane group 200 are fixed to the outside track in the second guide rail 122 outsides, and be connected on the contiguous block 333 of Timing Belt 331 one end, blade 210 tops are fixed to the inner orbit in the first guide rail 121 outsides, its end is provided with fixture block 240, fixture block 240 is fixed on the steel wire rope 332 of inner orbit.Blade 210 bottoms of second group of vane group 200 are fixed on the inner orbit in the second guide rail 122 outsides, and be connected on the contiguous block 333 of Timing Belt 331 other ends, the blade 210 top of second group of vane group 200 is fixed to the outside track in the first guide rail 121 outsides, its end is provided with fixture block 240, fixture block 240 is fixed on the steel wire rope 332 of outside track.In like manner, in pedestal 100 bottom surface, two groups of vane group 200 are separately fixed on conveyer belt 330.
According to description above and put into practice knownly, many groups vane group of light shielding device described in the utility model shares a pedestal, can save space and manufacturing cost, and connecting plate, between blade and lower blade, makes compact conformation, and it is little to take up room; Adopt the combination traction vane group of Timing Belt and steel wire rope to move, both can accurately control displacement, can save segment space again, with the top of two groups of vane group in pair of guide rails, be connected to the two ends of Timing Belt, when Timing Belt moves, draw two groups of vane group and move simultaneously, to improve synchronicity; On conveyer belt, be provided with spring, both ends of the spring rigidly fixes, can be so that vane group stress balance, and moving hormany.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection domain of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just explained the purpose of this utility model better, and protection domain of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. a light shielding device, is characterized in that, comprising:
Pedestal, described pedestal center is provided with opening, and described opening is square, and in the outside of described opening, is respectively provided with a guide rail, and contiguous guide rail is positioned at the both sides of described pedestal;
A plurality of vane group, described vane group comprises blade, lower blade and connecting plate, and described blade and described lower blade are of coupled connections by described connecting plate, and the two ends of described blade and described lower blade lay respectively in relative described guide rail; And
A plurality of gear units, described gear unit comprises driving wheel, a plurality of driven pulleys and conveyer belt, described conveyer belt is enclosed within on described driving wheel and described driven pulley, and to form U-shaped closed-loop path, the two ends of the blade of described vane group are fixed on described conveyer belt.
2. light shielding device as claimed in claim 1, is characterized in that, described guide rail is chute guide rail.
3. light shielding device as claimed in claim 1, is characterized in that, move simultaneously at the two ends of described vane group.
4. light shielding device as claimed in claim 1, is characterized in that, the number of described gear unit is two, lays respectively at the both sides of described pedestal.
5. light shielding device as claimed in claim 1, is characterized in that, described driving wheel is synchronous pulley.
6. light shielding device as claimed in claim 1, is characterized in that, the driving interface of described driving wheel is at homonymy.
7. light shielding device as claimed in claim 1, is characterized in that, described conveyer belt comprises Timing Belt and steel wire rope, and described Timing Belt and described steel wire rope are fixed by contiguous block.
8. light shielding device as claimed in claim 7, is characterized in that, described conveyer belt and tensioner frame and spring are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320469057.7U CN203388870U (en) | 2013-08-01 | 2013-08-01 | Shading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320469057.7U CN203388870U (en) | 2013-08-01 | 2013-08-01 | Shading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203388870U true CN203388870U (en) | 2014-01-15 |
Family
ID=49900435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320469057.7U Expired - Fee Related CN203388870U (en) | 2013-08-01 | 2013-08-01 | Shading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203388870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175817A (en) * | 2015-06-01 | 2016-12-07 | 三星电子株式会社 | X-ray imaging equipment and operational approach thereof |
| 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 |
-
2013
- 2013-08-01 CN CN201320469057.7U patent/CN203388870U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175817A (en) * | 2015-06-01 | 2016-12-07 | 三星电子株式会社 | X-ray imaging equipment and operational approach thereof |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGRUAN MEDICAL SYSTEMS CO., LTD., SHENYANG Effective date: 20140212 Owner name: PHILIPS (CHINA) INVESTMENT CO., LTD. Free format text: FORMER OWNER: DONGRUAN PHILIPS MEDICAL EQUIPMENT AND SYSTEM CO., LTD. Effective date: 20140212 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110179 SHENYANG, LIAONING PROVINCE TO: 200070 ZHABEI, SHANGHAI |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140212 Address after: Zhabei District Shanghai City, No. 218 West Tianmu Road 200070 Patentee after: Philips (China) Investment Co., Ltd. Patentee after: Dongruan Medical Systems Co., Ltd., Shenyang Address before: Hunnan rookie street Shenyang city Liaoning province 110179 No. 2 East Software Park Patentee before: Dongruan Philips Medical Equipment and System Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 200233 Lingshi Road, Jingan District, Shanghai, No. 718 A1 Co-patentee after: Dongruan Medical Systems Co., Ltd., Shenyang Patentee after: Philips (China) Investment Co., Ltd. Address before: Zhabei District Shanghai City, No. 218 West Tianmu Road 200070 Co-patentee before: Dongruan Medical Systems Co., Ltd., Shenyang Patentee before: Philips (China) Investment Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200233 Lingshi Road, Jingan District, Shanghai, No. 718 A1 Co-patentee after: DongSoft Medical System Co., Ltd. Patentee after: Philips (China) Investment Co., Ltd. Address before: 200233 Lingshi Road, Jingan District, Shanghai, No. 718 A1 Co-patentee before: Dongruan Medical Systems Co., Ltd., Shenyang Patentee before: Philips (China) Investment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20200801 |