CN111067640A - Intelligent mode conversion dental drill - Google Patents

Intelligent mode conversion dental drill Download PDF

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Publication number
CN111067640A
CN111067640A CN201911301964.9A CN201911301964A CN111067640A CN 111067640 A CN111067640 A CN 111067640A CN 201911301964 A CN201911301964 A CN 201911301964A CN 111067640 A CN111067640 A CN 111067640A
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CN
China
Prior art keywords
hole
turbine
drill bit
machine head
shaft
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Withdrawn
Application number
CN201911301964.9A
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Chinese (zh)
Inventor
倪建强
施景文
方郁程
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Hangzhou Lin'an District Dental Hospital
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Hangzhou Lin'an District Dental Hospital
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Application filed by Hangzhou Lin'an District Dental Hospital filed Critical Hangzhou Lin'an District Dental Hospital
Priority to CN201911301964.9A priority Critical patent/CN111067640A/en
Publication of CN111067640A publication Critical patent/CN111067640A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00Dental tools or instruments
    • A61C3/02Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/05Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
    • A61C1/052Ducts for supplying driving or cooling fluid, e.g. air, water
    • A61C1/055Ducts for supplying driving or cooling fluid, e.g. air, water through the working tool, e.g. hollow burr

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to an intelligent mode conversion dental drill which comprises a machine head, wherein a handle is fixedly connected to one side of the machine head; a circular hole is formed in the machine head, and a turbine is rotatably connected in the circular hole; an air inlet hole is formed in one side of the side wall of the round hole, which is close to the handle; an exhaust hole is formed in one side of the side wall of the round hole, which is far away from the air inlet hole; a group of fan blades are uniformly distributed on the circumference of the turbine, and the distance from the edge of each fan blade to the center of the turbine is gradually increased from top to bottom; a drill bit is arranged in a square hole in the turbine; the top of the turbine is fixedly connected with a turbine shaft, a shaft sleeve hole is formed in the machine head corresponding to the turbine shaft, and the turbine shaft is connected with the shaft sleeve hole in a sliding mode; a spring is sleeved on the turbine shaft between the top of the machine head and the shaft sleeve hole; the invention increases the pressure on the machine head, so that the drill bit drives the turbine to slide upwards in the circular hole, and the distance between the edge of the fan blade of the turbine and the center of the turbine is gradually increased from top to bottom, thereby reducing the leakage of air flowing through the turbine and increasing the drilling efficiency of the drill bit.

Description

Intelligent mode conversion dental drill
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an intelligent mode conversion dental drill.
Background
Along with the increasing improvement of national economy and living standard, the probability of oral problems of people is higher, and meanwhile, the oral hygiene and the oral health care are more and more paid attention by people. At present, doctors often need to use mobile phone instruments related to treatment to assist treatment in the process of using dental treatment instruments. The existing hand-held dental drill has the functions of air injection or flushing, but the existing dental hand-held dental drill usually has only a single function, such as intelligent air injection or intelligent flushing, but cannot have the functions of the two at the same time. Meanwhile, the noise of the dental drill is high during drilling, anxiety and tension of a patient are easily caused, smooth drilling is not facilitated, the rotating speed of the drill bit is difficult to adjust, and ideal drilling control speed is difficult to achieve.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the intelligent mode conversion dental drill, which solves the problems that the existing dental drill usually has only a single function, such as intelligent air injection or intelligent flushing, but cannot have the functions of the two, and meanwhile, the dental drill has high noise during drilling, is easy to cause anxiety and tension of a patient, is not beneficial to smooth drilling, has difficult regulation of the rotating speed of a drill bit and is difficult to achieve the ideal drilling control speed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an intelligent mode conversion dental drill which comprises a machine head, wherein a handle is fixedly connected to one side of the machine head; a circular hole is formed in the machine head, and a turbine is rotatably connected in the circular hole; an air inlet is formed in one side of the side wall of the circular hole, which is close to the handle, and the air inlet is communicated with a high-pressure air source through a pipeline and a switch; an exhaust hole is formed in one side wall of the round hole, away from the air inlet hole, and one end of the exhaust hole, away from the round hole, is communicated with the external atmosphere; a group of fan blades are uniformly distributed on the circumference of the turbine, and the distance from the edge of each fan blade to the center of the turbine is gradually increased from top to bottom; a square hole for mounting a drill bit is formed in the middle of the turbine, and the drill bit is mounted in the square hole; the top of the turbine is fixedly connected with a turbine shaft, a shaft sleeve hole is formed in the machine head corresponding to the turbine shaft, and the turbine shaft is inserted into the shaft sleeve hole and is connected with the shaft sleeve hole in a sliding mode; a spring is sleeved on the turbine shaft between the top of the machine head and the shaft sleeve hole; the drill bit automatically adjusts the rotating speed by applying different pressures to the drill bit, so that the drilling efficiency of the drill bit is improved; when the device works, the switch is turned on, so that high-pressure airflow enters the circular hole through the air inlet hole, the turbine is pushed to rotate, the turbine rotates to drive the drill bit to rotate, and the drill bit is enabled to normally drill in the oral cavity; when needs are drilled fast, through holding the handle, increase the pressure to the aircraft nose, and then make the pressure increase between drill bit and the drilling, make the drill bit drive the turbine upwards and slide in the round hole, because the distance at the flabellum edge of turbine apart from the turbine center is crescent from top to bottom, when making the turbine upwards slide, reduce the leakage of the air of turbine of flowing through, and then increased the utilization ratio of turbine to highly-compressed air, and then increase the rotational speed of turbine, increase the drilling efficiency of drill bit.
Preferably, the top of the shaft sleeve hole is communicated with the air inlet hole through a first pipe; a group of vent grooves are uniformly distributed on the circumference of the lower part of the shaft sleeve hole; the turbine shaft is in clearance fit with the shaft sleeve hole; high-pressure air is blown in through the first pipe to be matched with the vent groove, so that the turbine shaft is suspended in the shaft sleeve hole to rotate, the rotating speed of the drill bit is further improved, and the drilling efficiency of the drill bit is further improved; a part of compressed air in the air inlet is filled into the shaft sleeve hole through the first pipe, and a group of vent grooves are uniformly distributed on the circumference of the lower part of the shaft sleeve hole; turbine shaft and axle sleeve hole clearance fit make compressed air spout through the clearance between air groove and turbine shaft and the axle sleeve hole, make the turbine shaft suspension in the axle sleeve hole, and then reduce the frictional force between turbine shaft and the axle sleeve hole, further increase the rotational speed of turbine and drill bit, and then further increase the drilling efficiency of drill bit, the noise that produces when also having reduced turbine shaft and axle sleeve hole friction simultaneously, increase patient's comfort level at the tooth drill drilling in-process, the compressed air of axle sleeve hole bottom has also increased the elasticity of turbine shaft activity in the axle sleeve hole, and then vibration when reducing turbine intercommunication drill bit and rotating, noise when further reducing drilling.
Preferably, a second hole which is horizontally arranged is formed in the position, corresponding to the vent groove, in the turbine shaft, and the second hole is communicated with the square hole through a third hole which is vertically formed; the drill bit is internally provided with a gas blowing hole which is used for communicating the head part and the tail part of the drill bit; through the matching of the shaft sleeve hole, the second hole, the third hole and the air blowing hole, compressed air is blown out from the bottom of the drill bit, the cleaning effect on chips in a drill hole is increased, and the drilling efficiency of the drill bit is further increased; the shaft sleeve hole is filled with compressed air, and a part of the compressed air is introduced into the air blowing hole after passing through the air blowing groove, the second hole and the third hole and is blown out from the head of the drill bit finally, so that drill cuttings in a drilled hole are quickly discharged, the cutting capability of the drill bit on the bottom of the drilled hole is further increased, meanwhile, the abrasion of the drill cuttings on the formed drilled hole wall is reduced, the forming quality of the drilled hole side wall is increased, and the drilling efficiency of the drill bit is further increased.
Preferably, a funnel-shaped atomizing ring is arranged at the connecting part of the drill bit and the machine head, and the atomizing ring is fixedly connected with the machine head through a bracket; a water spray pipe is arranged at the part of the handle close to the machine head and is communicated with a high-pressure water source through a pipeline and a valve; the bottom of the machine head is provided with an annular air passage which is communicated with the exhaust hole; a group of air injection holes communicated with the outside atmosphere are uniformly distributed on the circumference of the bottom of the annular air passage; the gas sprayed out of the gas spraying holes atomizes water flow and then sprays the atomized water flow downwards from the periphery of the drill bit, so that the cleaning effect of chips in the drill bit is further improved, and the drilling efficiency of the drill bit is further improved; when the drill bit carries out drilling operation under the drive of turbine, open the valve and make the water under high pressure spout to the drill bit direction through the spray pipe, cool down and wash the drilling to the drill bit, waste gas in the round hole is discharged through the exhaust hole this moment, later spout in the fumarole after the evenly distributed of annular air flue, cooperation through atomizing ring, atomize spray pipe spun rivers, further increase rivers to the cooling effect of drill bit, the atomizing ring of infundibulate simultaneously leads to the rivers after atomizing, make it spout downwards along the drill bit periphery, the cleaning performance to drilling has further been increased, thereby further increase the drilling efficiency of drill bit.
Preferably, one side of the gas orifice is communicated with a cooling hole which is obliquely arranged, the cooling hole is communicated with the dry ice tank through a pipeline and an air valve, and low-temperature carbon dioxide in the cooling hole is extracted through the negative pressure of the gas orifice, so that the cooling effect on a drilling part is further increased, the anesthesia effect is increased, and the drilling efficiency of the drill bit is further increased; when the fast-speed air current of fumarole blowout, produce the negative pressure in the cooling hole with the fumarole intercommunication, and then will take out the microthermal carbon dioxide of evaporation in the dry ice tank of cooling hole intercommunication, later mix with compressed air and spout down to, further reduce the temperature of near drilling gum, increase the cooling anesthesia effect of drilling department, guarantee that drilling goes on smoothly, and then further increase the drilling efficiency of drill bit.
Preferably, an arc-shaped elastic sheet is arranged on one side, close to the round hole, of the air inlet hole, and the elastic sheet is used for increasing the fit degree of the turbine and the round hole, so that the utilization rate of air sprayed out of the air inlet hole is increased, and the rotating speed of the drill bit is increased; the elastic piece is hinged with the machine head, a torsion spring is arranged on a rotating shaft of the elastic piece, the tightness between the elastic piece and the turbine can be improved through the torsion spring, and the drilling efficiency of the drill bit is further improved; through the blade of shell fragment laminating turbine, further increase spun compressed air's in the inlet port utilization ratio, simultaneously through with aircraft nose articulated shell fragment, the cooperation torsional spring further increases the deformation range of shell fragment, increases the sealed effect of shell fragment to turbine blade, prevents the turbine reversal simultaneously, and then reduces the impact to drilling, further increases the drilling efficiency of drill bit.
The invention has the following beneficial effects:
1. according to the intelligent mode conversion dental drill, when the drill needs to drill quickly, the handle is held by hand, the pressure on the machine head is increased, the pressure between the drill bit and the drill hole is increased, the drill bit drives the turbine to slide upwards in the circular hole, and the distance between the edge of the fan blade of the turbine and the center of the turbine is gradually increased from top to bottom, so that when the turbine slides upwards, the leakage of air flowing through the turbine is reduced, the utilization rate of the turbine on high-pressure air is increased, the rotating speed of the turbine is increased, and the drilling efficiency of the drill bit is increased.
2. According to the intelligent mode conversion dental drill, when the jet hole jets high-speed airflow, negative pressure is generated in the cooling hole communicated with the jet hole, low-temperature carbon dioxide evaporated in the dry ice tank communicated with the cooling hole is pumped out, and then the carbon dioxide is mixed with compressed air and jetted out downwards, so that the temperature of gums near the drill hole is further reduced, the cooling anesthesia effect at the drill hole is increased, the drill hole is guaranteed to be smoothly carried out, and the drilling efficiency of the drill bit is further increased.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of a handpiece of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is an enlarged view of a portion of FIG. 4 at D;
FIG. 7 is a perspective view of a turbine according to the present invention;
in the figure: the device comprises a machine head 1, a handle 11, a circular hole 12, a turbine 13, an air inlet 14, an air outlet 15, fan blades 16, a square hole 17, a drill bit 18, a turbine shaft 19, a shaft sleeve hole 2, a first pipe 21, a vent groove 22, a second hole 23, a third hole 24, an air blowing hole 25, an atomizing ring 3, a water spraying pipe 31, an annular air passage 32, an air blowing hole 33, a cooling hole 34, an elastic sheet 35 and a torsion spring 36.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the intelligent mode conversion dental drill of the present invention comprises a handpiece 1, wherein a handle 11 is fixedly connected to one side of the handpiece 1; a circular hole 12 is formed in the machine head 1, and a turbine 13 is rotatably connected in the circular hole 12; an air inlet 14 is arranged on one side of the side wall of the round hole 12 close to the handle 11, and the air inlet 14 is communicated with a high-pressure air source through a pipeline and a switch; an exhaust hole 15 is formed in one side of the side wall of the round hole 12, which is far away from the air inlet 14, and one end, which is far away from the round hole 12, of the exhaust hole 15 is communicated with the external atmosphere; a group of fan blades 16 are uniformly distributed on the circumference of the turbine 13, and the distance from the edge of each fan blade 16 to the center of the turbine 13 is gradually increased from top to bottom; a square hole 17 for mounting a drill bit 18 is formed in the middle of the turbine 13, and the drill bit 18 is mounted in the square hole 17; the top of the turbine 13 is fixedly connected with a turbine shaft 19, a shaft sleeve hole 2 is formed in the machine head 1 and corresponds to the turbine shaft 19, and the turbine shaft 19 is inserted into the shaft sleeve hole 2 and is connected with the shaft sleeve hole 2 in a sliding mode; a spring is sleeved on the turbine shaft 19 between the top of the machine head 1 and the shaft sleeve hole 2; the drill bit 18 automatically adjusts the rotating speed by applying different pressures to the drill bit 18, so that the drilling efficiency of the drill bit 18 is improved; when the device works, high-pressure airflow enters the circular hole 12 through the air inlet hole 14 by opening the switch, so that the turbine 13 is pushed to rotate, the turbine 13 rotates to drive the drill bit 18 to rotate, and the drill bit 18 is enabled to normally drill in the oral cavity; when needing quick drilling, through holding handle 11 by hand, increase the pressure to aircraft nose 1, and then make the pressure increase between drill bit 18 and the drilling, make drill bit 18 drive turbine 13 upwards to slide in round hole 12, because the distance at 16 edges of flabellum of turbine 13 apart from turbine 13 center is crescent from top to bottom, when making turbine 13 upwards slide, reduce the leakage of the air that flows through turbine 13, and then increased turbine 13 to the utilization ratio of highly-compressed air, and then increase the rotational speed of turbine 13, increase the drilling efficiency of drill bit 18.
As an embodiment of the invention, the top of the shaft sleeve hole 2 is communicated with the air inlet hole 14 through a first pipe 21; a group of vent grooves 22 are uniformly distributed on the circumference of the lower part of the shaft sleeve hole 2; the turbine shaft 19 is in clearance fit with the shaft sleeve hole 2; high-pressure air is blown in through the first pipe 21 to be matched with the vent groove 22, so that the turbine shaft 19 is suspended in the shaft sleeve hole 2 to rotate, the rotating speed of the drill bit 18 is further improved, and the drilling efficiency of the drill bit 18 is further improved; a part of compressed air in the air inlet 14 is filled into the shaft sleeve hole 2 through a first pipe 21, and a group of vent grooves 22 are uniformly distributed on the circumference of the lower part of the shaft sleeve hole 2; the turbine shaft 19 and the shaft sleeve hole 2 are in clearance fit, so that compressed air is sprayed out through the air grooves 22 and the clearance between the turbine shaft 19 and the shaft sleeve hole 2, the turbine shaft 19 is suspended in the shaft sleeve hole 2, the friction force between the turbine shaft 19 and the shaft sleeve hole 2 is further reduced, the rotating speeds of the turbine 13 and the drill bit 18 are further increased, the drilling efficiency of the drill bit 18 is further increased, meanwhile, noise generated when the turbine shaft 19 is in friction with the shaft sleeve hole 2 is also reduced, the comfort of a patient in the dental drill drilling process is increased, the compressed air at the bottom of the shaft sleeve hole 2 also increases the elasticity of the turbine shaft 19 in the shaft sleeve hole 2, vibration of the turbine 13 when the drill bit 18 is communicated with the turbine 13 is reduced, and noise during drilling is further reduced.
As an embodiment of the invention, a second hole 23 which is horizontally arranged is arranged in the position corresponding to the vent groove 22 in the turbine shaft 19, and the second hole 23 is communicated with the square hole 17 through a third hole 24 which is vertically arranged; a blowing hole 25 is formed in the drill bit 18, and the blowing hole 25 is used for communicating the head and the tail of the drill bit 18; through the matching of the shaft sleeve hole 2, the second hole 23, the third hole 24 and the air blowing hole 25, compressed air is blown out from the bottom of the drill bit 18, the cleaning effect on chips in a drilled hole is increased, and the drilling efficiency of the drill bit 18 is further increased; when the shaft sleeve hole 2 is filled with compressed air, a part of the compressed air is introduced into the air blowing hole 25 after passing through the air grooves 22, the second hole 23 and the third hole 24, and is finally blown out from the head of the drill bit 18, so that drill cuttings in a drill hole are quickly discharged, the cutting capability of the drill bit 18 on the bottom of the drill hole is further increased, meanwhile, the abrasion of the drill cuttings on the formed drill hole wall is reduced, the forming quality of the side wall of the drill hole is increased, and the drilling efficiency of the drill bit 18 is further increased.
As an embodiment of the invention, a funnel-shaped atomizing ring 3 is arranged at the connecting part of the drill bit 18 and the handpiece 1, and the atomizing ring 3 is fixedly connected with the handpiece 1 through a bracket; a spray pipe 31 is arranged at the position of the handle 11 close to the handpiece 1, and the spray pipe 31 is communicated with a high-pressure water source through a pipeline and a valve; the bottom of the machine head 1 is provided with an annular air passage 32, and the annular air passage 32 is communicated with the exhaust hole 15; a group of air injection holes 33 communicated with the outside atmosphere are uniformly distributed on the circumference of the bottom of the annular air passage 32; the gas sprayed out through the gas spraying holes 33 atomizes the water flow and then sprays the water flow downwards from the periphery of the drill bit 18, so that the cleaning effect of chips in the drill bit is further improved, and the drilling efficiency of the drill bit 18 is further improved; when the drill bit 18 carries out the drilling operation under the drive of turbine 13, open the valve and make the water under high pressure spout to drill bit 18 direction through spray pipe 31, cool down and wash the drilling to drill bit 18, waste gas in the round hole 12 discharges through exhaust hole 15 this moment, later spout from fumarole 33 behind the evenly distributed of annular air flue 32, cooperation through atomizing ring 3, atomize spray pipe 31 spun rivers, further increase rivers to the cooling effect of drill bit 18, funnel-shaped atomizing ring 3 leads to the rivers after the atomizing simultaneously, make it spout downwards along drill bit 18 periphery, further increased the cleaning performance to drilling, thereby further increase the drilling efficiency of drill bit 18.
As an embodiment of the invention, one side of the air injection hole 33 is communicated with a cooling hole 34 which is obliquely arranged, the cooling hole 34 is communicated with a dry ice tank through a pipeline and an air valve, and low-temperature carbon dioxide in the cooling hole 34 is extracted through negative pressure of the air injection hole 33, so that the cooling effect on a drilling part is further increased, the anesthesia effect is increased, and the drilling efficiency of the drill bit 18 is further increased; when the fumarole 33 spouts the high-speed air current, produce the negative pressure in the cooling hole 34 with fumarole 33 intercommunication, and then will take out the cryogenic carbon dioxide of evaporation in the dry ice jar of cooling hole 34 intercommunication, later mix with compressed air and spout downwards, further reduce the temperature of near drilling gum, increase the cooling anesthesia effect in drilling, guarantee that drilling goes on smoothly, and then further increase the drilling efficiency of drill bit 18.
As an embodiment of the present invention, an arc-shaped elastic sheet 35 is disposed on one side of the air inlet 14 close to the circular hole 12, and the elastic sheet 35 is used to increase the degree of adhesion between the turbine 13 and the circular hole 12, thereby increasing the utilization rate of air ejected from the air inlet 14 and increasing the rotation speed of the drill 18; the elastic sheet 35 is hinged with the handpiece 1, a torsion spring 36 is arranged on a rotating shaft of the elastic sheet 35, the tightness between the elastic sheet 35 and the turbine 13 can be improved through the torsion spring 36, and the drilling efficiency of the drill bit 18 is further improved; through the blade of shell fragment 35 laminating turbine 13, further increase the utilization ratio of spun compressed air in the inlet port 14, simultaneously through with aircraft nose 1 articulated shell fragment 35, cooperation torsional spring 36 further increases the deformation range of shell fragment 35, increases the sealed effect of shell fragment 35 to turbine 13 blade, prevents turbine 13 reversal simultaneously, and then reduces the impact to drilling, further increases the drilling efficiency of drill bit 18.
When the device works, high-pressure airflow enters the circular hole 12 through the air inlet hole 14 by opening the switch, so that the turbine 13 is pushed to rotate, the turbine 13 rotates to drive the drill bit 18 to rotate, and the drill bit 18 is enabled to normally drill in the oral cavity; when rapid drilling is needed, the handle 11 is held by hand, the pressure on the machine head 1 is increased, the pressure between the drill bit 18 and the drilled hole is increased, the drill bit 18 drives the turbine 13 to slide upwards in the circular hole 12, and the distance between the edge of the fan blade 16 of the turbine 13 and the center of the turbine 13 is gradually increased from top to bottom, so that when the turbine 13 slides upwards, the leakage of air flowing through the turbine 13 is reduced, the utilization rate of the turbine 13 on high-pressure air is increased, the rotating speed of the turbine 13 is increased, and the drilling efficiency of the drill bit 18 is increased; a part of compressed air in the air inlet 14 is filled into the shaft sleeve hole 2 through a first pipe 21, and a group of vent grooves 22 are uniformly distributed on the circumference of the lower part of the shaft sleeve hole 2; the turbine shaft 19 is in clearance fit with the shaft sleeve hole 2, so that compressed air is sprayed out through the air grooves 22 and the clearance between the turbine shaft 19 and the shaft sleeve hole 2, the turbine shaft 19 is suspended in the shaft sleeve hole 2, the friction force between the turbine shaft 19 and the shaft sleeve hole 2 is further reduced, the rotating speeds of the turbine 13 and the drill bit 18 are further increased, the drilling efficiency of the drill bit 18 is further increased, meanwhile, noise generated when the turbine shaft 19 is in friction with the shaft sleeve hole 2 is also reduced, the comfort of a patient in the dental drill drilling process is increased, the compressed air at the bottom of the shaft sleeve hole 2 also increases the elasticity of the turbine shaft 19 moving in the shaft sleeve hole 2, the vibration of the turbine 13 when the drill bit 18 is communicated with the turbine 13 to rotate is further reduced, and the noise in the drilling process is; when the shaft sleeve hole 2 is filled with compressed air, a part of the compressed air is introduced into the air blowing hole 25 after passing through the air grooves 22, the second hole 23 and the third hole 24, and is finally blown out from the head of the drill bit 18, so that drill cuttings in a drill hole are quickly discharged, the cutting capability of the drill bit 18 on the bottom of the drill hole is further increased, meanwhile, the abrasion of the drill cuttings on the formed drill hole wall is reduced, the forming quality of the side wall of the drill hole is increased, and the drilling efficiency of the drill bit 18 is further increased; when the drill bit 18 is driven by the turbine 13 to perform drilling operation, the valve is opened to enable high-pressure water to be sprayed towards the drill bit 18 through the spray pipe 31, the drill bit 18 is cooled and cleaned for drilling, at the moment, waste gas in the circular hole 12 is discharged through the exhaust hole 15, then the waste gas is uniformly distributed through the annular air passage 32 and sprayed out of the air spraying hole 33, water flow sprayed out of the spray pipe 31 is atomized through the cooperation of the atomizing ring 3, the cooling effect of the water flow on the drill bit 18 is further improved, meanwhile, the atomized water flow is guided by the funnel-shaped atomizing ring 3 and is sprayed downwards along the periphery of the drill bit 18, the cleaning effect on the drilling is further improved, and therefore the drilling efficiency of the drill bit 18 is further improved; when the air jet holes 33 jet high-speed air flow, negative pressure is generated in the cooling holes 34 communicated with the air jet holes 33, so that low-temperature carbon dioxide evaporated in the dry ice tank communicated with the cooling holes 34 is pumped out, and then the low-temperature carbon dioxide is mixed with compressed air and then jetted downwards, so that the temperature of gums near the drilled hole is further reduced, the cooling anesthesia effect at the drilled hole is increased, the drilled hole is ensured to be smoothly carried out, and the drilling efficiency of the drill bit 18 is further increased; through the blade of shell fragment 35 laminating turbine 13, further increase the utilization ratio of spun compressed air in the inlet port 14, simultaneously through with aircraft nose 1 articulated shell fragment 35, cooperation torsional spring 36 further increases the deformation range of shell fragment 35, increases the sealed effect of shell fragment 35 to turbine 13 blade, prevents turbine 13 reversal simultaneously, and then reduces the impact to drilling, further increases the drilling efficiency of drill bit 18.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An intelligent mode conversion dental drill is characterized in that: comprises a machine head (1), one side of the machine head (1) is fixedly connected with a handle (11); a circular hole (12) is formed in the machine head (1), and a turbine (13) is rotatably connected in the circular hole (12); an air inlet hole (14) is formed in one side of the side wall of the round hole (12) close to the handle (11), and the air inlet hole (14) is communicated with a high-pressure air source through a pipeline and a switch; an exhaust hole (15) is formed in one side, away from the air inlet hole (14), of the side wall of the round hole (12), and one end, away from the round hole (12), of the exhaust hole (15) is communicated with the outside atmosphere; a group of fan blades (16) are uniformly distributed on the circumference of the turbine (13), and the distance from the edge of each fan blade (16) to the center of the turbine (13) is gradually increased from top to bottom; a square hole (17) for mounting a drill bit (18) is formed in the middle of the turbine (13), and the drill bit (18) is mounted in the square hole (17); the top of the turbine (13) is fixedly connected with a turbine shaft (19), a shaft sleeve hole (2) is formed in the machine head (1) at a position corresponding to the turbine shaft (19), and the turbine shaft (19) is inserted into the shaft sleeve hole (2) and is in sliding connection with the shaft sleeve hole (2); a spring is sleeved on a turbine shaft (19) between the top of the machine head (1) and the shaft sleeve hole (2); by applying different pressures to the drill bit (18), the rotation speed of the drill bit (18) is automatically adjusted, and the drilling efficiency of the drill bit (18) is improved.
2. The intelligent mode conversion dental drill of claim 1, wherein: the top of the shaft sleeve hole (2) is communicated with an air inlet hole (14) through a first pipe (21); a group of vent grooves (22) are uniformly distributed on the circumference of the lower part of the shaft sleeve hole (2); the turbine shaft (19) is in clearance fit with the shaft sleeve hole (2); high-pressure air is blown into the first pipe (21) to be matched with the vent groove (22), so that the turbine shaft (19) is suspended in the shaft sleeve hole (2) to rotate, the rotating speed of the drill bit (18) is further improved, and the drilling efficiency of the drill bit (18) is further improved.
3. The intelligent mode conversion dental drill of claim 2, wherein: a second hole (23) which is horizontally arranged is formed in the turbine shaft (19) and corresponds to the vent groove (22), and the second hole (23) is communicated with the square hole (17) through a third hole (24) which is vertically arranged; a blowing hole (25) is formed in the drill bit (18), and the blowing hole (25) is used for communicating the head and the tail of the drill bit (18); through the cooperation of axle sleeve hole (2), No. two hole (23), No. three hole (24) and gas hole (25) for compressed air is blown out to drill bit (18) bottom, increases the clearance effect to clastic in the drilling, and then further increases the drilling efficiency of drill bit (18).
4. The intelligent mode conversion dental drill of claim 3, wherein: a funnel-shaped atomizing ring (3) is arranged at the connecting part of the drill bit (18) and the machine head (1), and the atomizing ring (3) is fixedly connected with the machine head (1) through a bracket; a water spray pipe (31) is arranged at the position of the handle (11) close to the machine head (1), and the water spray pipe (31) is communicated with a high-pressure water source through a pipeline and a valve; the bottom of the machine head (1) is provided with an annular air passage (32), and the annular air passage (32) is communicated with the exhaust hole (15); a group of air injection holes (33) communicated with the outside atmosphere are uniformly distributed on the circumference of the bottom of the annular air passage (32); the gas sprayed out through the gas spraying holes (33) atomizes water flow and then sprays out downwards from the periphery of the drill bit (18), so that the cleaning effect of chips in the drill bit is further improved, and the drilling efficiency of the drill bit (18) is further improved.
5. The intelligent mode conversion dental drill of claim 4, wherein: the cooling hole (34) that the fumarole (33) one side intercommunication has the slope to set up, and cooling hole (34) pass through pipeline and pneumatic valve intercommunication dry ice tank, and the low temperature carbon dioxide in the negative pressure extraction cooling hole (34) through fumarole (33) further increases the cooling effect to drilling position, increases anesthesia effect, further increases the drilling efficiency of drill bit (18).
6. The intelligent mode conversion dental drill of claim 2, wherein: an arc-shaped elastic sheet (35) is arranged on one side, close to the round hole (12), of the air inlet hole (14), and the elastic sheet (35) is used for increasing the fit degree of the turbine (13) and the round hole (12), so that the utilization rate of air sprayed out of the air inlet hole (14) is increased, and the rotating speed of the drill bit (18) is increased; the elastic sheet (35) is hinged to the machine head (1), a torsion spring (36) is arranged on a rotating shaft of the elastic sheet (35), the tightness between the elastic sheet (35) and the turbine (13) can be improved through the torsion spring (36), and the drilling efficiency of the drill bit (18) is further improved.
CN201911301964.9A 2019-12-17 2019-12-17 Intelligent mode conversion dental drill Withdrawn CN111067640A (en)

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Application Number Priority Date Filing Date Title
CN201911301964.9A CN111067640A (en) 2019-12-17 2019-12-17 Intelligent mode conversion dental drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911301964.9A CN111067640A (en) 2019-12-17 2019-12-17 Intelligent mode conversion dental drill

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CN111067640A true CN111067640A (en) 2020-04-28

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CN201911301964.9A Withdrawn CN111067640A (en) 2019-12-17 2019-12-17 Intelligent mode conversion dental drill

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229994A (en) * 2022-08-09 2022-10-25 浙江态域设计有限公司 Concrete structure building repairing and reinforcing construction device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229994A (en) * 2022-08-09 2022-10-25 浙江态域设计有限公司 Concrete structure building repairing and reinforcing construction device and method

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Application publication date: 20200428