CN111467061B - LED light curing machine with shading function for tooth restoration - Google Patents
LED light curing machine with shading function for tooth restoration Download PDFInfo
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- CN111467061B CN111467061B CN202010316240.8A CN202010316240A CN111467061B CN 111467061 B CN111467061 B CN 111467061B CN 202010316240 A CN202010316240 A CN 202010316240A CN 111467061 B CN111467061 B CN 111467061B
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- light
- light shielding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/20—Repairing attrition damage, e.g. facets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/003—Apparatus for curing resins by radiation
Abstract
The invention relates to an LED light curing machine with a light shielding function for tooth restoration, which comprises a light guide column, a main body, a lighting device, a cleaning mechanism and a light shielding mechanism, wherein the light shielding mechanism comprises a driving assembly, a transmission assembly, a moving assembly, a limiting assembly and a light shielding plate, the moving assembly comprises a first screw rod, a sliding block, a rotating shaft and two first bearings, the cleaning mechanism comprises a cleaning ring, a connecting assembly and a plurality of first springs, the light shielding function of the LED light curing machine with the light shielding function for tooth restoration is realized through the light shielding plate through the light shielding mechanism, the eyes of blue-light medical personnel are prevented from being irradiated, the safety of equipment is improved, the function of cleaning the light guide column is realized through the cleaning mechanism, the probability of cross infection is reduced, and the safety of the equipment is improved.
Description
Technical Field
The invention relates to the field of dental equipment, in particular to an LED light curing machine with a light shading function for tooth restoration.
Background
An LED light curing machine (dental photosensitive resin curing machine) is a machine used for curing photosensitive resin materials when a dentist helps a patient to repair teeth. The LED light curing machine consists of a light source part and a control circuit. The application range of the product is as follows: the resin material is cured for use in stomatology for repairing teeth.
The existing LED light curing machine is used for curing, blue light emitted by the irradiation device can be easily irradiated on eyes of medical staff, so that health and safety of the medical staff are threatened, and moreover, when the existing LED light curing machine is used for curing, the light guide column needs to be stretched into the mouth of a patient, the light guide column needs to be manually cleaned in advance, if the cleaning is not in place, the probability of secondary infection is easily increased, and the safety of the existing LED light curing machine is greatly reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the LED light curing machine with the light shielding function for tooth restoration is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an LED light curing machine with a light shielding function for tooth restoration comprises a light guide column, a main body and a lighting device, wherein the lighting device is arranged at one end of the light guide column, the other end of the light guide column is connected with the main body;
the shading mechanism comprises a driving assembly, a transmission assembly, a moving assembly, a limiting assembly and a shading plate, the driving assembly is connected with the moving assembly through the transmission assembly, an opening is formed in one side of the main body, the shading plate is matched with the opening, one end of the shading plate is arranged in the opening, the other end of the shading plate is connected with the moving assembly, the upper portion of the other end of the shading plate is connected with the top in the main body through the limiting assembly, and the moving assembly is connected with the cleaning mechanism;
the movable assembly comprises a first screw rod, a sliding block, a rotating shaft and two first bearings, the two first bearings are respectively fixed on the inner walls of the two sides of the main body, one end of the first screw rod and one end of the rotating shaft are respectively and fixedly connected with the inner rings of the two first bearings, the other end of the first screw rod is fixedly connected with the other end of the rotating shaft, the rotating shaft is connected with the cleaning mechanism, the sliding block is sleeved on the first screw rod, a thread matched with the first screw rod is arranged at the connecting part of the sliding block and the first screw rod, the sliding block is fixedly connected with the lower part of the light screen, and one end of the first screw rod, which is far away from the rotating shaft, is connected with the transmission assembly;
clean mechanism is including clean ring, coupling assembling and a plurality of first spring, clean ring cover is established on the leaded light post, one side that is close to the leaded light post of clean ring is equipped with alcohol cloth, first spring circumference evenly distributed is in the below of clean ring, the both ends of first spring are connected with the below of clean ring and the top of main part respectively, the pivot is connected with coupling assembling, coupling assembling is connected with the top of clean ring.
Preferably, in order to provide power, the driving assembly comprises a second screw rod, ball screw bearings, a support, a pressing plate, two second springs and two second bearings, the two second bearings are respectively and fixedly connected with the inner walls of the two sides of the main body, the two ends of the second screw rod are respectively and fixedly connected with the inner rings of the two second bearings, the ball screw bearings are sleeved on the second screw rod, threads matched with the second screw rod are arranged at the joint of the ball screw bearings and the second screw rod, the support is U-shaped, round holes are arranged on the support, the outer rings of the ball screw bearings are fixedly connected with the inner walls of the round holes, two small holes are arranged on one side of the main body, which is far away from the opening, the two ends of the support respectively penetrate through the two small holes to be fixedly connected with the pressing plate, the support is matched with the small holes and is connected with the small holes in a sliding manner, and the second screw rod is connected with the transmission assembly, the two second springs are respectively arranged at two ends of the support, and two ends of each second spring are respectively connected with the main body and the pressing plate.
Preferably, the cross-sectional shape of the small hole is square in order to prevent shaking of the stent during movement.
Preferably, in order to drive the first screw rod to rotate, the transmission assembly comprises a transmission shaft, a third bearing and two transmission units, the third bearing is fixed inside the main body, the transmission shaft is fixedly connected with an inner ring of the third bearing, two ends of the transmission shaft are respectively connected with the two transmission units, and the two transmission units are respectively connected with the first screw rod and the second screw rod.
Preferably, in order to transmit power, the transmission unit includes a first bevel gear and a second bevel gear, two ends of the transmission shaft are respectively fixedly connected with the two first bevel gears, the two second bevel gears are respectively fixedly connected with the first screw rod and the second screw rod, and the first bevel gear is engaged with the second bevel gear.
Preferably, in order to limit the moving direction of the light shielding plate, the limiting assembly comprises two limiting rods, one ends of the two limiting rods are fixedly connected with two ends of the upper portion of the light shielding plate respectively, two grooves are formed in the top of the main body and correspond to the limiting rods one to one, the other ends of the limiting rods are arranged inside the grooves, the other ends of the limiting rods are matched with the grooves, and the limiting rods are connected with groove slideways.
Preferably, in order to prevent the limiting rod from being separated from the groove, the groove is a dovetail groove.
Preferably, in order to make the light shielding plate move smoothly, one end of the limiting rod, which is far away from the light shielding plate, is provided with a notch, a ball is arranged in the notch, the center of the ball is arranged inside the notch, and the ball abuts against the inner wall of the groove.
Preferably, in order to drive the cleaning ring to move, the connecting assembly comprises a rotary disc, a pull wire and a fixed pulley, the rotary disc is fixed on the rotary shaft, one end of the pull wire is wound on the rotary disc, the fixed pulley is fixed at one end, far away from the main body, of the light guide column, and the other end of the pull wire is fixedly connected with the upper portion of the cleaning ring through the fixed pulley.
Preferably, in order to restrict the moving direction of the cleaning ring, the cleaning mechanism further comprises two support rods, the support rods are U-shaped, the two ends of each support rod are fixed on the light guide column, the cleaning ring is provided with two through holes, the through holes correspond to the support rods one to one, the support rods penetrate through the through holes, and the cleaning ring is connected with the support rods in a sliding mode.
The LED photocuring machine with the shading function for tooth restoration has the advantages that the shading function is realized through the shading mechanism and the shading plate, and the blue light is prevented from irradiating eyes of medical personnel, so that the safety of the equipment is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an LED curing machine with a light shielding function for dental restoration according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic structural diagram of a limiting assembly of the LED curing light with a light shielding function for dental restoration according to the present invention;
in the figure: 1. the light guide device comprises a main body, 2. a light guide column, 3. a lighting device, 4. a pressing plate, 5. a support, 6. a ball screw bearing, 7. a second screw rod, 8. a transmission shaft, 9. a first bevel gear, 10. a second bevel gear, 11. a first screw rod, 12. a rotating shaft, 13. a sliding block, 14. a shading plate, 15. a limiting rod, 16. a ball, 17. a rotating disc, 18. a pull wire, 19. a fixed pulley, 20. a cleaning ring, 21. a first spring, 22. a supporting rod and 23. a second spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an LED light curing machine with a light shielding function for dental restoration includes a light guide column 2, a main body 1, an illumination device 3, a cleaning mechanism and a light shielding mechanism, wherein the illumination device 3 is disposed at one end of the light guide column 2, the other end of the light guide column 2 is connected to the main body 1, the light shielding mechanism is disposed in the main body 1, the cleaning mechanism is disposed on the light guide column 2, and the light shielding mechanism is connected to the cleaning mechanism;
this a LED photocuring machine for prosthetic LED photocuring machine that has a shading function of tooth passes through light-shading mechanism, realizes the shading function through light screen 14, prevents that the blue light from shining medical personnel's eyes to improve the security of equipment, through clean mechanism, realized the function of clean leaded light post 2, reduced cross infection's probability, improved the security of equipment.
As shown in fig. 1-3, the light shielding mechanism includes a driving assembly, a transmission assembly, a moving assembly, a limiting assembly and a light shielding plate 14, the driving assembly is connected with the moving assembly through the transmission assembly, one side of the main body 1 is provided with an opening, the light shielding plate 14 is matched with the opening, one end of the light shielding plate 14 is arranged in the opening, the other end of the light shielding plate 14 is connected with the moving assembly, the upper part of the other end of the light shielding plate 14 is connected with the top in the main body 1 through the limiting assembly, and the moving assembly is connected with the cleaning mechanism;
the moving assembly comprises a first screw rod 11, a sliding block 13, a rotating shaft 12 and two first bearings, the two first bearings are respectively fixed on the inner walls of the two sides of the main body 1, one end of the first screw rod 11 and one end of the rotating shaft 12 are respectively fixedly connected with the inner rings of the two first bearings, the other end of the first screw rod 11 is fixedly connected with the other end of the rotating shaft 12, the rotating shaft 12 is connected with a cleaning mechanism, the sliding block 13 is sleeved on the first screw rod 11, a thread matched with the first screw rod 11 is arranged at the connecting part of the sliding block 13 and the first screw rod 11, the sliding block 13 is fixedly connected with the lower part of the light screen 14, and one end of the first screw rod 11, which is far away from the rotating shaft 12, is connected with the transmission assembly;
when carrying out the shading during operation, the artificial drive assembly that makes works, drive first lead screw 11 through drive assembly and rotate, make pivot 12 and first lead screw 11 synchronous rotation, drive slider 13 and remove to being close to the open-ended direction, thereby drive light screen 14 and follow the outside that the opening part shifted out main part 1, carry out shading work through light screen 14, prevent that the blue light from shining medical personnel's eyes, thereby the security of equipment has been improved, when need not to shade, through drive assembly and drive assembly, make first lead screw 11 reverse rotation, make light screen 14 follow the inside of opening part immigration main part 1, the function of accomodating light screen 14 has been realized, the probability that light screen 14 damaged has been reduced, the security has been improved, when pivot 12 rotates, can also drive clean mechanism work, realize clear function.
As shown in fig. 1, clean mechanism includes clean ring 20, coupling assembling and a plurality of first spring 21, clean ring 20 cover is established on leaded light post 2, the one side that is close to leaded light post 2 of clean ring 20 is equipped with alcohol cloth, first spring 21 circumference evenly distributed is in the below of clean ring 20, the both ends of first spring 21 are connected with the below of clean ring 20 and the top of main part 1 respectively, pivot 12 is connected with coupling assembling, coupling assembling is connected with the top of clean ring 20.
When the light screen 14 shifts out outside main part 1, pivot 12 rotates, make coupling assembling work, drive clean ring 20 rebound, thereby before putting into patient's mouth with leaded light post 2, carry out cleaning to leaded light post 2 through alcohol cloth earlier, after accomplishing solidification work, light screen 14 moves into the inside of main part 1, pivot 12 reverse rotation simultaneously, make coupling assembling work again, make clean ring 20 rebound through first spring 21's restoring force make and move down, thereby carry out cleaning to leaded light post 2 once more, thereby the cleanliness factor of leaded light post 2 has been guaranteed, cross infection's probability has been reduced, the practicality of equipment has been improved.
Preferably, in order to provide power, the driving assembly comprises a second screw 7, a ball screw bearing 6, a bracket 5, a pressing plate 4, two second springs 23 and two second bearings, the two second bearings are respectively and fixedly connected with the inner walls of the two sides of the main body 1, the two ends of the second screw 7 are respectively and fixedly connected with the inner rings of the two second bearings, the ball screw bearing 6 is sleeved on the second screw 7, a screw thread matched with the second screw 7 is arranged at the joint of the ball screw bearing 6 and the second screw 7, the bracket 5 is in a U shape, a circular hole is arranged on the bracket 5, the outer ring of the ball screw bearing 6 is fixedly connected with the inner wall of the circular hole, two small holes are arranged on one side of the main body 1 away from the opening, the two ends of the bracket 5 respectively penetrate through the two small holes to be fixedly connected with the pressing plate 4, and the bracket 5 is matched with the small holes, the support 5 is connected with the small hole in a sliding mode, the second screw rod 7 is connected with the transmission assembly, the two second springs 23 are arranged at two ends of the support 5 respectively, and two ends of each second spring 23 are connected with the main body 1 and the pressing plate 4 respectively.
Preferably, in order to drive the first screw rod 11 to rotate, the transmission assembly comprises a transmission shaft 8, a third bearing and two transmission units, the third bearing is fixed inside the main body 1, the transmission shaft 8 is fixedly connected with an inner ring of the third bearing, two ends of the transmission shaft 8 are respectively connected with the two transmission units, and the two transmission units are respectively connected with the first screw rod 11 and the second screw rod 7.
Preferably, in order to transmit power, the transmission unit comprises a first bevel gear 9 and a second bevel gear 10, two ends of the transmission shaft 8 are fixedly connected with the two first bevel gears 9 respectively, the two second bevel gears 10 are fixedly connected with the first screw rod 11 and the second screw rod 7 respectively, and the first bevel gear 9 is meshed with the second bevel gear 10.
When shading work is carried out, the pressing plate 4 is manually pressed, so that the pressing plate 4 moves towards the direction close to the main body 1, the second spring 23 is compressed, the ball screw bearing 6 is driven to move along the second screw rod 7 through the bracket 5, the second screw rod 7 rotates, the second bevel gear 10 fixedly connected with the second screw rod is driven to rotate, the transmission shaft 8 is driven to rotate through the engagement of the first bevel gear 9 and the second bevel gear 10, the first screw rod 11 is driven to rotate, the rotating shaft 12 and the first screw rod 11 synchronously rotate, the sliding block 13 is driven to move towards the direction close to the opening, the shading plate 14 is driven to move out of the main body 1 from the opening, the shading work is carried out through the shading plate 14, the blue light is prevented from irradiating eyes of medical staff, the safety of the equipment is improved, when the shading is not needed, the pressing plate 4 is released, and the pressing plate 4 moves towards the direction far away from the main body 1 through the restoring force of the second spring 23, thereby make second lead screw 7 antiport, drive first lead screw 11 antiport for light screen 14 has realized accomodating the function of light screen 14 from the inside of opening part immigration main part 1, has reduced the probability that light screen 14 damaged, has improved the security.
Preferably, the cross-sectional shape of the small hole is square in order to prevent shaking of the holder 5 when it is moved.
Through setting up the aperture into the quad slit for support 5 can not take place to rock when removing along the aperture, thereby has improved ball bearing 6 and can not take place to rotate when removing along second lead screw 7, thereby has improved the stability when ball bearing 6 removes.
As shown in fig. 4, the limiting assembly includes two limiting rods 15, one ends of the two limiting rods 15 are respectively fixedly connected with two ends of the upper portion of the light shielding plate 14, two grooves are formed in the top of the main body 1, the grooves correspond to the limiting rods 15 one to one, the other ends of the limiting rods 15 are arranged inside the grooves, the other ends of the limiting rods 15 are matched with the grooves, and the limiting rods 15 are connected with groove slideways.
Preferably, in order to prevent the stopper rod 15 from being separated from the groove, the groove is a dovetail groove.
Preferably, in order to make the light shielding plate 14 move smoothly, one end of the limiting rod 15 far away from the light shielding plate 14 is provided with a notch, a ball 16 is arranged in the notch, the center of the ball 16 is arranged inside the notch, and the ball 16 abuts against the inner wall of the groove.
When the light screen 14 moves, the limiting rod 15 is driven to move along the groove, so that the moving direction of the light screen 14 is limited, the light screen 14 is more stable when moving, the friction force between the limiting rod 15 and the groove is reduced by arranging the ball 16, the limiting rod 15 is more smooth when moving along the groove, and the stability and the smoothness of the limiting rod 15 are improved.
Preferably, in order to drive the cleaning ring 20 to move, the connecting assembly includes a rotating disc 17, a pulling wire 18 and a fixed pulley 19, the rotating disc 17 is fixed on the rotating shaft 12, one end of the pulling wire 18 is wound on the rotating disc 17, the fixed pulley 19 is fixed on one end of the light guide column 2 far away from the main body 1, and the other end of the pulling wire 18 is fixedly connected with the upper part of the cleaning ring 20 by passing through the fixed pulley 19.
When the light screen 14 shifts out outside main part 1, pivot 12 rotates, it rotates to drive carousel 17, tighten up the stay wire 18, drive clean ring 20 rebound, thereby before putting into patient's mouth with leaded light post 2, carry out cleaning to leaded light post 2 through alcohol cloth earlier, after accomplishing solidification work, light screen 14 moves into the inside of main part 1, pivot 12 antiport simultaneously, put long stay wire 18, restoring force through first spring 21, make clean ring 20 rebound, thereby carry out cleaning to leaded light post 2 once more, thereby the cleanliness factor of leaded light post 2 has been guaranteed, cross infection's probability has been reduced, the practicality of equipment has been improved.
Preferably, in order to limit the moving direction of the cleaning ring 20, the cleaning mechanism further includes two supporting rods 22, the supporting rods 22 are U-shaped, two ends of the supporting rods 22 are fixed on the light guide column 2, two through holes are formed in the cleaning ring 20, the through holes correspond to the supporting rods 22 one by one, the supporting rods 22 penetrate through the through holes, and the cleaning ring 20 is slidably connected with the supporting rods 22.
By arranging the supporting rods 22, the moving direction of the cleaning ring 20 is limited, so that the cleaning ring 20 cannot rotate when moving, and the stability of the cleaning ring 20 when moving is improved.
When shading work is carried out, the pressing plate 4 is manually pressed, so that the pressing plate 4 moves towards the direction close to the main body 1, the second spring 23 is compressed, the ball screw bearing 6 is driven to move along the second screw rod 7 through the bracket 5, the second screw rod 7 rotates, the second bevel gear 10 fixedly connected with the second screw rod is driven to rotate, the transmission shaft 8 is driven to rotate through the engagement of the first bevel gear 9 and the second bevel gear 10, the first screw rod 11 is driven to rotate, the rotating shaft 12 and the first screw rod 11 synchronously rotate, the sliding block 13 is driven to move towards the direction close to the opening, the shading plate 14 is driven to move out of the main body 1 from the opening, the shading work is carried out through the shading plate 14, the blue light is prevented from irradiating eyes of medical staff, the safety of the equipment is improved, when the shading is not needed, the pressing plate 4 is released, and the pressing plate 4 moves towards the direction far away from the main body 1 through the restoring force of the second spring 23, thereby the second screw rod 7 rotates reversely to drive the first screw rod 11 to rotate reversely, so that the light screen 14 moves into the main body 1 from the opening, thereby realizing the function of containing the light screen 14, reducing the damage probability of the light screen 14, improving the safety, when the light screen 14 moves out of the main body 1, the rotating shaft 12 rotates to drive the rotating disc 17 to rotate, tightening the pull wire 18 and driving the cleaning ring 20 to move upwards, thereby cleaning the light guide column 2 by alcohol cloth before the light guide column 2 is put into the mouth of a patient, after the solidification work is completed, the light screen 14 moves into the main body 1, simultaneously the rotating shaft 12 rotates reversely, lengthening the pull wire 18, and the cleaning ring 20 moves downwards by the restoring force of the first spring 21, thereby cleaning the light guide column 2 again, thereby ensuring the cleanliness of the light guide column 2 and reducing the probability of cross infection, the practicability of the equipment is improved.
Compared with the prior art, this a LED photocuring machine who is used for prosthetic tooth of having shading function passes through light-shading mechanism, realize the shading function through light screen 14, prevent that the blue light from shining medical personnel's eyes, thereby the security of equipment has been improved, compare with current shading mechanism, this light-shading mechanism is when need not to shade, can receive light screen 14 into the inside of main part 1, the probability that light screen 14 damaged has been reduced, the security is higher, through clean mechanism, the function of clean leaded light post 2 has been realized, cross infection's probability has been reduced, the security of equipment has been improved, compare with current clean mechanism, this clean mechanism and light-shading mechanism be link gear as an organic whole, the practicality is higher.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An LED light curing machine with a light shielding function for tooth restoration comprises a light guide column (2), a main body (1) and an illuminating device (3), wherein the illuminating device (3) is arranged at one end of the light guide column (2), and the other end of the light guide column (2) is connected with the main body (1), and the LED light curing machine is characterized by further comprising a cleaning mechanism and a light shielding mechanism, wherein the light shielding mechanism is arranged in the main body (1), the cleaning mechanism is arranged on the light guide column (2), and the light shielding mechanism is connected with the cleaning mechanism;
the shading mechanism comprises a driving assembly, a transmission assembly, a moving assembly, a limiting assembly and a shading plate (14), the driving assembly is connected with the moving assembly through the transmission assembly, an opening is formed in one side of the main body (1), the shading plate (14) is matched with the opening, one end of the shading plate (14) is arranged in the opening, the other end of the shading plate (14) is connected with the moving assembly, the upper portion of the other end of the shading plate (14) is connected with the top in the main body (1) through the limiting assembly, and the moving assembly is connected with the cleaning mechanism;
the movable assembly comprises a first screw rod (11), a sliding block (13), a rotating shaft (12) and two first bearings, the two first bearings are respectively fixed on the inner walls of the two sides of the main body (1), one end of the first screw rod (11) and one end of the rotating shaft (12) are respectively fixedly connected with the inner rings of the two first bearings, the other end of the first screw rod (11) is fixedly connected with the other end of the rotating shaft (12), the rotating shaft (12) is connected with a cleaning mechanism, the sliding block (13) is sleeved on the first screw rod (11), a thread matched with the first screw rod (11) is arranged at the joint of the sliding block (13) and the first screw rod (11), the sliding block (13) is fixedly connected with the lower part of the light screen (14), and one end of the first screw rod (11) far away from the rotating shaft (12) is connected with the transmission assembly;
clean mechanism is including clean ring (20), coupling assembling and a plurality of first spring (21), clean ring (20) cover is established on leaded light post (2), the one side that is close to leaded light post (2) of clean ring (20) is equipped with alcohol cloth, first spring (21) circumference evenly distributed is in the below of clean ring (20), the both ends of first spring (21) are connected with the below of clean ring (20) and the top of main part (1) respectively, pivot (12) are connected with coupling assembling, coupling assembling is connected with the top of clean ring (20).
2. The LED curing light with the light shielding function for dental restoration according to claim 1, wherein the driving assembly comprises a second screw (7), a ball screw bearing (6), a bracket (5), a pressing plate (4), two second springs (23) and two second bearings, the two second bearings are respectively and fixedly connected with the inner walls of the two sides of the main body (1), the two ends of the second screw (7) are respectively and fixedly connected with the inner rings of the two second bearings, the ball screw bearing (6) is sleeved on the second screw (7), the joint of the ball screw bearing (6) and the second screw (7) is provided with a thread matching with the second screw (7), the bracket (5) is U-shaped, the bracket (5) is provided with a circular hole, the outer ring of the ball screw bearing (6) is fixedly connected with the inner wall of the circular hole, the utility model discloses a lead screw, including main part (1), support (5), transmission assembly, support (5) and aperture sliding connection, the both ends of main part (1) are kept away from open-ended one side and are equipped with two apertures, two apertures and clamp plate (4) fixed connection are passed respectively at the both ends of support (5), support (5) and aperture sliding connection, second lead screw (7) are connected with transmission assembly, and two second springs (23) set up the both ends at support (5) respectively, the both ends of second spring (23) are connected with main part (1) and clamp plate (4) respectively.
3. The LED curing apparatus for dental restoration having a light shielding function according to claim 2, wherein the cross-sectional shape of the small hole is a square.
4. The LED curing apparatus with the light shielding function for dental restoration according to claim 3, wherein the transmission assembly comprises a transmission shaft (8), a third bearing and two transmission units, the third bearing is fixed inside the main body (1), the transmission shaft (8) is fixedly connected with an inner ring of the third bearing, two ends of the transmission shaft (8) are respectively connected with the two transmission units, and the two transmission units are respectively connected with the first lead screw (11) and the second lead screw (7).
5. The LED curing light with the light shielding function for dental restoration according to claim 4, wherein the transmission unit comprises a first bevel gear (9) and a second bevel gear (10), two ends of the transmission shaft (8) are fixedly connected with the two first bevel gears (9), two second bevel gears (10) are fixedly connected with the first lead screw (11) and the second lead screw (7), and the first bevel gear (9) is engaged with the second bevel gear (10).
6. The LED curing light with the light shielding function for dental restoration according to claim 1, wherein the limiting component comprises two limiting rods (15), one end of each of the two limiting rods (15) is fixedly connected with the two ends of the upper portion of the light shielding plate (14), two grooves are formed in the top of the main body (1), the grooves correspond to the limiting rods (15) one to one, the other ends of the limiting rods (15) are arranged inside the grooves, the other ends of the limiting rods (15) are matched with the grooves, and the limiting rods (15) are connected with groove slideways.
7. The LED curing light with the light shielding function for dental restoration according to claim 6, wherein the groove is a dovetail groove.
8. The LED curing light with the light shielding function for dental restoration according to claim 7, wherein the end of the limiting rod (15) away from the light shielding plate (14) is provided with a notch, a ball (16) is arranged in the notch, the center of the ball (16) is arranged inside the notch, and the ball (16) abuts against the inner wall of the groove.
9. The LED curing light with the light shielding function for dental restoration according to claim 1, wherein the connecting assembly comprises a rotating disc (17), a pulling wire (18) and a fixed pulley (19), the rotating disc (17) is fixed on the rotating shaft (12), one end of the pulling wire (18) is wound on the rotating disc (17), the fixed pulley (19) is fixed on one end of the light guide pillar (2) far away from the main body (1), and the other end of the pulling wire (18) is fixedly connected with the upper part of the cleaning ring (20) by passing through the fixed pulley (19).
10. The LED curing light with the light shielding function for dental restoration according to claim 1, wherein the cleaning mechanism further comprises two supporting rods (22), the supporting rods (22) are U-shaped, two ends of each supporting rod (22) are fixed on the light guide bar (2), two through holes are formed in the cleaning ring (20), the through holes correspond to the supporting rods (22) one by one, the supporting rods (22) penetrate through the through holes, and the cleaning ring (20) is slidably connected with the supporting rods (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316240.8A CN111467061B (en) | 2020-04-21 | 2020-04-21 | LED light curing machine with shading function for tooth restoration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316240.8A CN111467061B (en) | 2020-04-21 | 2020-04-21 | LED light curing machine with shading function for tooth restoration |
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| Publication Number | Publication Date |
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| CN111467061A CN111467061A (en) | 2020-07-31 |
| CN111467061B true CN111467061B (en) | 2021-11-12 |
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| CN202010316240.8A Expired - Fee Related CN111467061B (en) | 2020-04-21 | 2020-04-21 | LED light curing machine with shading function for tooth restoration |
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Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
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