CN203988456U - Spittoon rotating mechanism for dental unit - Google Patents
Spittoon rotating mechanism for dental unit Download PDFInfo
- Publication number
- CN203988456U CN203988456U CN201420467543.XU CN201420467543U CN203988456U CN 203988456 U CN203988456 U CN 203988456U CN 201420467543 U CN201420467543 U CN 201420467543U CN 203988456 U CN203988456 U CN 203988456U
- Authority
- CN
- China
- Prior art keywords
- spittoon
- supporting seat
- rotating shaft
- power transmission
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of spittoon rotating mechanism for dental unit is provided, there is the spittoon motor and the supporting seat that are fixed on roof box, described spittoon motor output shaft is provided with pinion, power transmission shaft upper end after being connected with spittoon rotating shaft lower end jointly by bearings in supporting seat, wherein supporting seat is stretched out and supporting seat top excircle is provided with two limit switches that are 90 degree angles in spittoon rotating shaft top, the cam that position is provided with when spittoon rotating shaft is rotated and limit switch touches that exposes supporting seat in spittoon rotating shaft, there is the gear wheel meshing with pinion described power transmission shaft lower end by magnet adsorption, described spittoon rotating shaft upper end is fixedly connected with spittoon.This utility model adopts motorized motions and by the magnetic-adsorption effect between gear wheel and power transmission shaft, transmits motor rotation and realize spittoon automatic rotation or utilize " skidding " phenomenon between the two transmission was lost efficacy and realize manual rotation and protection device security.
Description
Technical field
This utility model belongs to medical apparatus and instruments rotary apparatus technical field, is specifically related to a kind of spittoon rotating mechanism for dental unit.
Background technology
Dental multipurpose therapy unit is generally used for inspection and the treatment of oral disease, is stomatologic main diagnostic equipment.Dental multipurpose therapy unit is mainly comprised of main box, spittoon, apparatus arm, apparatus dish, assistant's frame, mouth lamp and supporting several major parts such as dental chair.Spittoon rotation is can obtain larger working place for patient in dental care process can obtain spit preferably position or medical personnel, the spittoon rotating mechanism of traditional dental multipurpose therapy unit, conventionally adopt two kinds of rotation modes: the one, manual rotation, employing axle sleeve coordinates, axle and spittoon are connected, cover is holder, is manually rotated and regulates spittoon position; The 2nd, automatic rotation, take motor as power, by gear or other drive mechanisms, will rotatablely move and be delivered to terminal, to realize the rotation of terminal, this during by gear or other drive mechanism transferring power, when speed reducing ratio is larger, transmission is irreversible, realize automatic rotation and can not realize manual rotation simultaneously, if automatic rotation terminal is obstructed, equipment will damage.Above-mentioned defect, brings very big inconvenience to doctor's operation, is therefore necessary to propose to improve.
Utility model content
The technical problem that this utility model solves: a kind of spittoon rotating mechanism for dental unit is provided, in spittoon automatic rotation process, when spittoon runs into obstacle, the gear wheel of embedded magnet and power transmission shaft " skid ", guarantee device security, simultaneously also can hand rotation spittoon.
The technical solution adopted in the utility model: for the spittoon rotating mechanism of dental unit, there is the spittoon motor and the supporting seat that are fixed on roof box, described spittoon motor output shaft is provided with pinion, power transmission shaft upper end after being connected with spittoon rotating shaft lower end jointly by bearings in supporting seat, wherein supporting seat is stretched out and supporting seat top excircle is provided with two limit switches that are 90 degree angles in spittoon rotating shaft top, the cam that position is provided with when spittoon rotating shaft is rotated and limit switch touches that exposes supporting seat in spittoon rotating shaft, there is the gear wheel meshing with pinion described power transmission shaft lower end by magnet adsorption, described spittoon rotating shaft upper end is fixedly connected with spittoon.
Wherein, described power transmission shaft bottom is provided with bulge loop, and described gear wheel end face is shaped with the groove that holds Magnet, and described gear wheel end face is adsorbed on bulge loop lower surface.
Further, the both sides angle that is shaped with radial slot and radial slot on described power transmission shaft is 180 degree, and bolt screws in supporting seat and inserts in radial slot simultaneously.
Further, described bulge loop upper surface is provided with packing ring, and the outer ring of bearing is resisted against on packing ring, and described bearing has two, is provided with lining between bearing.
Further, described supporting seat top excircle is provided with switch fixed mount, and described limit switch is fixed on switch fixed mount.
This utility model compared with prior art adopts spittoon motorized motions; and by the magnetic-adsorption effect between gear wheel and power transmission shaft, transmit spittoon electronic rotation and realize spittoon automatic rotation or utilize " skidding " phenomenon between the two make to transmit inefficacy and realize manual rotation and protection device security.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is the local enlarged diagram in the I place of Fig. 1.
Figure number explanation:
1-spittoon motor; 2-power transmission shaft; 3-Magnet; 4; Gear wheel; 5-roof box; 6-supporting seat; 7-bearing; 8-lining; 9-packing ring; 10-expectorant broad-mouthed receptacle for holding liquid; 11-limit switch; 12-switch fixed mount; The rotating shaft of 13-spittoon; 14-pinion; 15-cam; 16-bulge loop; 17-groove; 18-radial slot; 19-bolt.
The specific embodiment
Below in conjunction with accompanying drawing 1,2, a kind of embodiment of the present utility model is described.
Spittoon rotating mechanism for dental unit, there is the spittoon motor 1 and the supporting seat 6 that are fixed on roof box 5, described spittoon motor 1 output shaft is provided with pinion 14, power transmission shaft 2 upper ends are supported in supporting seat 6 by bearing 7 after being connected with spittoon rotating shaft 13 lower ends jointly, described bulge loop 16 upper surfaces are provided with packing ring 9, the outer ring of bearing 7 is resisted against on packing ring 9, described bearing 7 has two, between bearing 7, be provided with lining 8, wherein supporting seat 6 is stretched out and supporting seat 6 top excircles are provided with two limit switches 11 that are 90 degree angles in spittoon rotating shaft 13 tops, the cam 15 that position is provided with when spittoon rotating shaft 13 is rotated and limit switch 11 touches that exposes supporting seat 6 in spittoon rotating shaft 13, described supporting seat 6 top excircles are provided with switch fixed mount 12, described limit switch 11 is fixed on switch fixed mount 12, there is by Magnet 3 absorption the gear wheel 4 meshing with pinion 14 described power transmission shaft 2 lower ends, and described spittoon rotating shaft 13 upper ends are fixedly connected with spittoon 10, described power transmission shaft 2 bottoms are provided with bulge loop 16, and described gear wheel 4 end faces are shaped with the groove 17 that holds Magnet 3, and described gear wheel 4 end faces are adsorbed on bulge loop 16 lower surfaces, the both sides angle that is shaped with radial slot 18 and radial slot 18 on described power transmission shaft 2 is 180 degree, and bolt 19 screws in supporting seat 6 and inserts in radial slot 18 simultaneously.
During spittoon 10 automatic rotating, start after spittoon motor 1, pinion 14 on spittoon motor 1 output shaft drives gear wheel 4 to rotate, Magnet 3 in gear wheel 4 grooves 17 and bulge loop 16 adhesives of power transmission shaft 2, thereby make power transmission shaft 2 drive the spittoon rotating shaft 13 of spline joint with it to rotate, finally rotation is delivered to the spittoon 10 of spittoon rotating shaft 13 upper ends, realize spittoon 10 automatic rotations, on supporting seat 6, be fixed with switch fixed mount 12, limit switch 11 is housed on switch fixed mount 12, in spittoon rotating shaft 13, there is cam 15, to control the position of spittoon 10 rotations, when spittoon rotating shaft 13 turns to cam 15 and touches one of them limit switch 11 on supporting seat 6, spittoon motor 1 quits work, now, spittoon 10 is static, when the position of spittoon 10 need be rotated, start after spittoon motor 1, controlling spittoon 10 rotates in the opposite direction, turning to cam 15 touches the rear spittoon motor 1 of another limit switch 11 and quits work, spittoon 10 also stops operating, in spittoon 10 automatic rotation processes, when spittoon 10 runs into obstacle, the gear wheel 4 of described embedded magnet 3 starts " skidding " with power transmission shaft 2, can guarantee device security
During manual rotation spittoon 10, assistant's frame pivoted arm of spittoon 10 lower ends is located in promotion, now, the gear wheel 4 of embedded magnet 3 by magnetic-adsorption on power transmission shaft 2, when gear wheel 4 is fixedly time, hand push external force, enough large in the situation that, can relatively rotate between power transmission shaft 2 and gear wheel 4, be commonly called as " skidding ", realize spittoon 10 manual rotations; Hand rotation spittoon 10, because the speed reducing ratio of spittoon motor 1 is larger, spittoon motor 1 output shaft can not rotate by drive motor, and gear wheel 4 is fixing, now between power transmission shaft 2 and gear wheel 4, starts " skidding ", realizes spittoon 10 manual rotations.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting this utility model practical range, and the equivalence of being done with content described in this utility model claim therefore all changes, within all should being included in this utility model claim scope.
Claims (5)
1. for the spittoon rotating mechanism of dental unit, there is the spittoon motor (1) and the supporting seat (6) that are fixed on roof box (5), it is characterized in that: described spittoon motor (1) output shaft is provided with pinion (14), after being connected with spittoon rotating shaft (13) lower end, power transmission shaft (2) upper end jointly by bearing (7), is supported in supporting seat (6), supporting seat (6) is stretched out on wherein spittoon rotating shaft (13) top and supporting seat (6) top excircle is provided with two limit switches (11) that are 90 degree angles, the cam (15) that position is provided with when spittoon rotating shaft (13) is rotated and limit switch (11) touches that exposes supporting seat (6) in spittoon rotating shaft (13), there is by Magnet (3) absorption the gear wheel (4) meshing with pinion (14) described power transmission shaft (2) lower end, described spittoon rotating shaft (13) upper end is fixedly connected with spittoon (10).
2. the spittoon rotating mechanism for dental unit according to claim 1, it is characterized in that: described power transmission shaft (2) bottom is provided with bulge loop (16), described gear wheel (4) end face is shaped with the groove (17) that holds Magnet (3), and described gear wheel (4) end face is adsorbed on bulge loop (16) lower surface.
3. the spittoon rotating mechanism for dental unit according to claim 1 and 2, it is characterized in that: the both sides angle that is shaped with radial slot (18) and radial slot (18) on described power transmission shaft (2) is 180 degree, bolt (19) screws in supporting seat (6) and inserts in radial slot (18) simultaneously.
4. the spittoon rotating mechanism for dental unit according to claim 3, it is characterized in that: described bulge loop (16) upper surface is provided with packing ring (9), the outer ring of bearing (7) is resisted against on packing ring (9), described bearing (7) has two, is provided with lining (8) between bearing (7).
5. the spittoon rotating mechanism for dental unit according to claim 4, it is characterized in that: described supporting seat (6) top excircle is provided with switch fixed mount (12), and described limit switch (11) is fixed on switch fixed mount (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467543.XU CN203988456U (en) | 2014-08-19 | 2014-08-19 | Spittoon rotating mechanism for dental unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467543.XU CN203988456U (en) | 2014-08-19 | 2014-08-19 | Spittoon rotating mechanism for dental unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988456U true CN203988456U (en) | 2014-12-10 |
Family
ID=52028544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420467543.XU Withdrawn - After Issue CN203988456U (en) | 2014-08-19 | 2014-08-19 | Spittoon rotating mechanism for dental unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127252A (en) * | 2014-08-19 | 2014-11-05 | 咸阳西北医疗器械(集团)有限公司 | Rotary mechanism of spittoon for dental unit |
| WO2017036125A1 (en) * | 2015-09-05 | 2017-03-09 | 刘洋 | Dental comprehensive therapy machine with a voice recognition function |
-
2014
- 2014-08-19 CN CN201420467543.XU patent/CN203988456U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127252A (en) * | 2014-08-19 | 2014-11-05 | 咸阳西北医疗器械(集团)有限公司 | Rotary mechanism of spittoon for dental unit |
| CN104127252B (en) * | 2014-08-19 | 2015-12-23 | 咸阳西北医疗器械(集团)有限公司 | For the spittoon rotating mechanism of dental unit |
| WO2017036125A1 (en) * | 2015-09-05 | 2017-03-09 | 刘洋 | Dental comprehensive therapy machine with a voice recognition function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |