CN203662793U - Automatic head locating device of X-ray oral cavity camera - Google Patents
Automatic head locating device of X-ray oral cavity camera Download PDFInfo
- Publication number
- CN203662793U CN203662793U CN201320856457.3U CN201320856457U CN203662793U CN 203662793 U CN203662793 U CN 203662793U CN 201320856457 U CN201320856457 U CN 201320856457U CN 203662793 U CN203662793 U CN 203662793U
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- fixed
- driving device
- wedge block
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- clamping
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- 210000003128 head Anatomy 0.000 title claims abstract description 23
- 210000000214 mouth Anatomy 0.000 title claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 3
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic head locating device of an X-ray oral cavity camera. The automatic head locating device comprises a base, a lower jaw support, a biting part, a clamping device, a driving device, a transmission gear, a clamping position sensor, a restoration sensor and a controller, wherein the lower jaw support is fixed to the front end of the base, the biting part is fixed to the lower jaw support, the clamping device is located on the two sides of the lower jaw support, the driving device is fixed to the rear end of the base, the transmission gear is located between the clamping device and the driving device, and the controller is used for controlling the driving device and the two sensors. The transmission gear comprises a wedge-shaped sliding block and a linear guide rail, and the linear guide rail is matched with the wedge-shaped sliding block and fixed to the base. A groove is formed in the middle of the wedge-shaped sliding block. The driving device comprises a lead screw nut capable of pushing the wedge-shaped sliding block to move. The lead screw nut is fixed in the groove and is connected with a limiting spring. The automatic head locating device can carry out automatic clamping, fixing and loosening operations according to the different head sizes on the premise of ensuring the imaging effect, and consequently the working efficiency can be improved.
Description
Technical field
This utility model relates to the head automatic positioning equipment of a kind of oral cavity shadowgraph machine.
Background technology
At present, oral cavity panoramic x-ray apparatus is the photographic quality that reaches higher, generally fixing and positioning of patient's head is had to higher requirement.China patent publication No. CN 201719264 U disclose the adjustable jaw holder of a kind of panorama X radiography unit, by tooth hold in the month, adjusting knob and positioning lamp form before and after adjustable jaw bracket, screw-nut body, jaw bracket, described tooth is held in the month and is fixed on adjustable jaw bracket, and described adjustable jaw bracket engages with adjusting knob before and after jaw bracket according to screw-nut body; Described positioning lamp is arranged on the side of jaw holder.This patent is because jaw bracket is adjustable, front tooth root is dropped in focal plane layer in the heart, realize the clear demonstration of cutting root of the tooth in the image of film, but, this jaw holder does not have other structure that head is fixed better, thereby may receive additional radiation load because patient moves or shake the imaging failure and the patient that cause in imaging process.
At present, play the oral cavity panoramic x-ray apparatus positioner of fixation, comprise be arranged on patient's temple place point-supported support bar is mainly provided from the side.But like product adopts hand-operated clamping mode more on market, increase doctor's operating time, be unfavorable for the raising of work efficiency.
Utility model content
The purpose of this utility model is to provide the head automatic positioning equipment of a kind of oral cavity shadowgraph machine, solve and how to ensure under the prerequisite of imaging effect, the operation that provides automatization to be fixedly clamped and loosen according to different head sizes, with the technical problem of increasing work efficiency.
The head automatic positioning equipment of oral cavity shadowgraph machine, comprise base, be fixed on base front end chin support, be fixed on clamping device on chin support, at the clamping device of chin support both sides, be fixed on the controller of the driving device of base rear end, actuating device, clamped position sensor, reseting sensor, accessory drive and above-mentioned two sensors between clamping device and driving device; Actuating device comprises a wedge block, and one coordinates and be fixed on the line slideway on base with wedge block; Wedge block middle part has groove; Driving device comprises a feed screw nut that can promote wedge block motion, and this feed screw nut is fixed in above-mentioned groove and is connected with a limit spring; Clamping device, comprises two symmetrical swingles, two symmetrical clamping elements that removably connect, and wherein, each clamping element is fixed on one end, preloading spring, two limited posts of swingle; Above-mentioned two swingles connect by preloading spring, and preloading spring is fixed in the axle construction of the swingle other end, and in the axle construction of swingle, cover has the bearing matching with it, and the inclined-plane, outside of wedge block contacts with the outer peripheral face of bearing outer ring; Clamped position sensor is positioned at feed screw nut front portion and is fixed on wedge block top; On reseting sensor firm banking and in wedge block afterbody rear.
Described driving device also comprises a motor, a trapezoidal screw being fixed on motor shaft; Above-mentioned motor is fixed on motor cabinet, and this motor cabinet is fixed on base.
The beneficial effects of the utility model are: after patient's head position fixes, motor entry into service in driving device also drives wedge block and feed screw nut motion by trapezoidal screw, the hypotenuse of wedge block both sides is to bearing effect, thereby bearing starts clamping element is moved inwardly and then clamp patient's head around limited post rotation, thereby feed screw nut also can continue motion and forms regulatory region and make clamping element can adapt to head that patient varies in size also and then touch clamped position sensor after clamping, this Time Controller is just closed the motor in driving device, then start to take, after shooting completes, motor in driving device will receive the end signal of controller, thereby drive motors reverse drive, clamping element start mutually away from, thereby loosen patient's head, until the afterbody of wedge block touches reseting sensor, thereby at this moment reseting sensor reaches controller by repositioning information and closes motor, so just can provide automatization to be fixedly clamped and loosen according to different head sizes, thereby increase work efficiency.
Brief description of the drawings
Fig. 1 is a side structure schematic diagram of the present utility model;
Fig. 2 is perspective view of the present utility model.
In figure: 1. chin support, 2. clamping device, 3. clamping element, 4. preloading spring, 5. clamped position sensor, 6. wedge block, 7. motor, 8. reseting sensor, 9. limit spring, 10. bearing, 11. bases, 12. swingles, 13. line slideways, 14. trapezoidal screws, 15. feed screw nuts, 16. motor cabinets, 17. limited posts, 18. axle construction, 19. grooves.
Detailed description of the invention
Please refer to Fig. 1 to Fig. 2, a kind of head location device for X-ray equipment in figure, comprise that a base 11, one are fixed on the chin support 1 of base 11 front ends, one and are fixed on actuating device between clamping device and driving device of driving device that clamping device on chin support 12, clamping device in chin support 1 both sides, one be fixed on base 11 rear ends,, clamped position sensor 5,8, one current common controllers of reseting sensor; This controller is owing to belonging to conventional components, therefore not shown in the diagram.
Driving device comprises that one is fixed on motor on motor cabinet 16 7, one and is fixed on the supporting feed screw nut 15 of trapezoidal screw on motor shaft 14, and trapezoidal screw 14.In the time that motor 7 turns round, trapezoidal screw 14 just drives feed screw nut 15 to move.
Actuating device comprises that 6, one of wedge blocks are used in conjunction with and are fixed on the line slideway 13 on base 11 with wedge block 6; Wedge block 6 middle parts have groove 19, feed screw nut 15 is fixed in groove 19 and is connected with a limit spring 9, this trapezoidal screw 14 can carry out rectilinear motion and slide with the front and back that drive wedge block 6 by limit spring 9 in groove 19, realizes effective connection the between driving device and actuating device.
Clamping device, comprises that two symmetrical swingles 12, two the symmetrical clamping elements that removably connect 3, each clamping element 3 are fixed on one end of swingle 12, preloading spring 4, two limited posts 17; Above-mentioned two swingles 12 are connected clamping element 3 are kept relative stability under relaxation state by preloading spring 4, and preloading spring 4 is fixed in the integrated axle construction 18 of swingle 12 other ends.For realizing the gearing of actuating device and clamping device, in the axle construction 18 of swingle 12, cover has the bearing 10 matching with it, the inclined-plane, outside of wedge block 6 by motion contacts with the outer peripheral face of bearing 10 outer rings, carries out axle rotation by the bearing 10 driven rotary bars 12 that rotate.
Clamped position sensor 5 is positioned at feed screw nut 15 front portions and is fixed on wedge block 6 tops, this sensor can be a travel switch, when clamping element 3 firm grip when patient's head, feed screw nut 15 also can continue orientation movements until touch clamped position sensor 5, at this moment closing driving device starts to take, after shooting completes, motor 7 in driving device will receive the end signal of controller, thereby drive stepping motor 7 reverse drive, clamping element 3 start mutually away from, thereby loosen patient's head, until the afterbody of wedge block 6 touches the reseting sensor being fixed on base 11, this reseting sensor 8 can be equally also a travel switch, at this moment thereby reseting sensor 8 reaches controller by repositioning information and closes motor 7, so just can provide automatization to be fixedly clamped and loosen according to different head sizes, thereby increase work efficiency.
The work process of this positioner is: before shooting starts, patient is placed in chin on chin support 1, bites the groove on clamping device 2 with labial teeth simultaneously, if chin support 1 is improper with clamping device 2 spacing, can regulate clamping device 2, this utility model is in the time receiving the commencing signal of controller, motor 7 starts, the trapezoidal screw 14 rotating drives wedge block 6 to front slide, the contacts side surfaces friction of bearing 10 outer rings and wedge block 6, produce relative motion, under the gearing of bearing 10, left-right rotary bull stick 12 carries out taking limited post 17 its front end close rotation mutually as the center of circle, be that clamping element 3 beginnings are close to the clamped condition that keeps clamping element 3, start to take, wait to take and finish, controller sends end signal, motor 7 rotates backward, wedge block 6 slides backward, left-right rotary bull stick 12 carries out taking limited post 17 as the center of circle, its front end mutually away from rotation, be that clamping element 3 starts away from extremely resetting, reseting sensor 8 sends reset signal to controller, complete whole work.
Claims (2)
1. the head automatic positioning equipment of oral cavity shadowgraph machine, comprise base, be fixed on base front end chin support, be fixed on clamping device on chin support, at the clamping device of chin support both sides, be fixed on the driving device of base rear end, actuating device between clamping device and driving device, it is characterized in that: the controller that also comprises clamped position sensor, reseting sensor, accessory drive and above-mentioned two sensors; Actuating device comprises a wedge block, and one coordinates and be fixed on the line slideway on base with wedge block; Wedge block middle part has groove; Driving device comprises a feed screw nut that can promote wedge block motion, and this feed screw nut is fixed in above-mentioned groove and is connected with a limit spring; Clamping device, comprises two symmetrical swingles, two symmetrical clamping elements that removably connect, and wherein, each clamping element is fixed on one end, preloading spring, two limited posts of swingle; Above-mentioned two swingles connect by preloading spring, and preloading spring is fixed in the axle construction of the swingle other end, and in the axle construction of swingle, cover has the bearing matching with it, and the inclined-plane, outside of wedge block contacts with the outer peripheral face of bearing outer ring; Clamped position sensor is positioned at feed screw nut front portion and is fixed on wedge block top; On reseting sensor firm banking and in wedge block afterbody rear.
2. according to the head automatic positioning equipment of the oral cavity shadowgraph machine described in claim 1, it is characterized in that: described driving device also comprises a motor, a trapezoidal screw being fixed on motor shaft; Above-mentioned motor is fixed on motor cabinet, and this motor cabinet is fixed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856457.3U CN203662793U (en) | 2013-12-24 | 2013-12-24 | Automatic head locating device of X-ray oral cavity camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856457.3U CN203662793U (en) | 2013-12-24 | 2013-12-24 | Automatic head locating device of X-ray oral cavity camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203662793U true CN203662793U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320856457.3U Expired - Lifetime CN203662793U (en) | 2013-12-24 | 2013-12-24 | Automatic head locating device of X-ray oral cavity camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203662793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731054A (en) * | 2017-04-25 | 2018-11-02 | 嵊州市惠宁达厨房电器有限公司 | A kind of easy-to-dismount smoke exhaust ventilator cover |
| CN112674788A (en) * | 2021-01-09 | 2021-04-20 | 中国人民解放军空军军医大学 | Head fixing device for tumor radiology department |
-
2013
- 2013-12-24 CN CN201320856457.3U patent/CN203662793U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731054A (en) * | 2017-04-25 | 2018-11-02 | 嵊州市惠宁达厨房电器有限公司 | A kind of easy-to-dismount smoke exhaust ventilator cover |
| CN112674788A (en) * | 2021-01-09 | 2021-04-20 | 中国人民解放军空军军医大学 | Head fixing device for tumor radiology department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 310053 Binjiang District, Zhejiang Province, Hangzhou Road, No. 677 Patentee after: HANGZHOU MEDNOVA MEDICAL TECHNOLOGIES CO.,LTD. Address before: 310053, Zhejiang, Hangzhou province Hangzhou Binjiang District bin Kang Road 677 Patentee before: MEDNOVA MEDICAL TECHNOLOGIES CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic head locating device of X-ray oral cavity camera Effective date of registration: 20180521 Granted publication date: 20140625 Pledgee: Bank of Hangzhou Limited by Share Ltd. science and Technology Branch Pledgor: HANGZHOU MEDNOVA MEDICAL TECHNOLOGIES CO.,LTD. Registration number: 2018330000115 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |