CN101623213A - Disposable high-speed turbine tooth-drilling hand-held machine - Google Patents
Disposable high-speed turbine tooth-drilling hand-held machine Download PDFInfo
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- CN101623213A CN101623213A CN200810140555A CN200810140555A CN101623213A CN 101623213 A CN101623213 A CN 101623213A CN 200810140555 A CN200810140555 A CN 200810140555A CN 200810140555 A CN200810140555 A CN 200810140555A CN 101623213 A CN101623213 A CN 101623213A
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Abstract
The invention aims to provide a disposable high-speed turbine tooth-drilling hand-held machine with simple structure, small vibration and low noise. The disposable high-speed turbine tooth-drilling hand-held machine consists of a head and a handle which is connected to the head, wherein the head consists of a head shell cavity, a head cover and a core in the head shell cavity. The disposable high-speed turbine tooth-drilling hand-held machine is characterized in that the head shell cavity is internally provided with a positioning cap slot, a wind wheel cavity slot, an upper bearing slot and a head cover connecting slot from bottom to top; the head cover is arranged at the opening of the head shell cavity; a positioning cap is inserted in the positioning cap slot; and the bearing slot of the positioning cap is arranged in the positioning cap. The head shell cavity, the head cover, a connecting shaft turbine and the handle are made of plastic. With regard to the disposable high-speed turbine tooth-drilling hand-held machine with the structure, the plastic pieces are suitable for the processing of a plastic mold, metal contacts with plastic at the bearing joint, the minor components are of interference fit which is easy to realize, the head has small vibration and low noise, the cost is reduced.
Description
Technology neck city:
This product belongs to medical treatment and goes up the hand tool that bores the tooth of grinding one's teeth in sleep, specifically a kind of disposable high-speed turbine tooth-drilling hand-held machine.
Background technology:
The dental unit that odontologist uses is made up of parts such as air compressor, air supply system, water system, high speed turbine mobile phones, and high speed turbine mobile phone is mainly reached in machine joint etc. by head, handle and constitutes.Rotor is the core of head, is combined by bearing, wind wheel and mandrel, and the rotary principle of mobile phone is to utilize mobile compressed air that wind wheel blade is exerted pressure, and promotes blade, makes the wind wheel high speed rotating.Its revolution height and balance, cutting drilling power are strong, can alleviate the labor intensity of patient's misery and odontologist, increase work efficiency, so replaced electromotive dental drill once coming out, also the appearance of high speed turbine dental drill machine being called the revolution second time of dentistry dental drill thus, also is the indispensable ideal dental equipment that the Zhi Ya of odontologist, edge are joined various artificial tooths.
Yet after odontologist used end of operation, the electromagnetic valve in the multipurpose therapy unit quit work, and electromagnetic valve upper end Exhaust Open is got rid of residual air.And the residual air after the high speed handpiece acting is also outside the mobile phone exhaustor is discharged mobile phone, high speed handpiece can quit work, and the high speed handpiece exhaustor is when discharging in the mobile phone residual air, can form generation " resorption power ", blood in the disease population, saliva and various bacterial virus partly can be drawn back in the lacuna of mobile phone, use for second patient as not strict thorough disinfection, just blood that can last patient is remaining, saliva and various bacterial virus are injected in another disease population, the cross infection various diseases is as acquired immune deficiency syndrome (AIDS), hepatitis B etc.According to World Health Organization (WHO),, still have every year people more than ten to become patients infected hiv because of seeing tooth in dental clinic and the very strict American-European countries of hospital disinfection measure.So, toothwash, control tooth, in the oral disease therapeutic such as have a denture made,, just might infect diseases such as acquired immune deficiency syndrome (AIDS) and hepatitis B if not strict as apparatus sterilizations such as the dental drill that uses, high speed handpiece, cutter heads.
And the groundwork instrument high speed handpiece that odontologist uses, every is expensive.Home-made about thousand yuan every, the need 2,3 of import are done one in unit.Accomplish the sterilization of " people one machine " strict sterilization, the high speed handpiece that each dental clinic must be bought average day outpatient service amount number equal number could have enough to meet the need sterilization, this is a no small investment number, at a high speed in machine again very " enervated ", maintain the oil dripping deficiency at ordinary times, bearing will damage, and one repair must tens up to a hundred yuan, and high temperature sterilize also reduces the service life of high speed handpiece.The disinfection cost of leader's machine is 2 yuan, and the special-purpose sterilizing equipment decontaminating apparatus of mobile phone is homemade at 30,000 yuan of one cover, and import is at 4～50,000 yuan of one cover.Have 1000 high speed handpieces to calculate by a tame large-scale specialized department for stomatology hospital, need pay 2000 yuan disinfection cost every day.One month is exactly 60,000,1 year 720000 yuan, general small-scale dental clinic also needs several ten thousand yuan every year.
In brief, common used dental drill is made by high-grade metal is accurate, cost an arm and a leg, dental drill frequency of utilization in the odontopathy diagnosis and treatment is high especially again, so can not accomplish that one suffers from machine use by standby too many dental drill, cause knowing perfectly well that dental drill has higher cross infection probability, still the situation that will generally use makes it to become the important channel that present infectious disease is propagated.This just needs disposable high speed turbine dental drill hand piece, if will reach disposable purpose, then must satisfy under the strong prerequisite of dental drill high speed rotating and balance, cutting drilling power, reduce the production cost of dental drill as much as possible, promptly abandon the financial burden that is brought after making general patient can accept to use.Causing the present too high principal element of dental drill cost of using is high-grade metal material, high pressure resistant pipeline and complicated internal structure.
Based on above-mentioned consideration, the patent No. is 01274713.0 patent of invention, a kind of disposable high-speed turbine tooth-drilling hand-held machine is disclosed, it is the handpiece body that is connected with the dress drill point at the head of machine handle, the afterbody of machine handle connects water, gas quick connector, turbine drives turbine wheel shaft and makes the drill point rotation in its handpiece body, drill point one end is held mechanisms grip, high pressure air flue, water channel and return-air road from water, gas quick connector one through to handpiece body, the rotation of driving turbine, the high pressure water channel leads to handpiece body from water, gas quick connector, and dental drill places and meets in the packing of requiring of sterilizing; Handpiece body made from easy processing metal and inner turbine mechanism thereof be connected and fixed with engineering plastics, the nonmetal machine handle of making of rubber, the turbine wheel shaft end that drill point one side is installed in handpiece body is covered with gas-tight resorption glue cover, is connected with anti-resorption check valve in the middle of being positioned at the high pressure water channel at machine handle place.This disposable high-speed turbine tooth-drilling hand-held machine is though make handpiece body complex structure, manufacturing cost height with easy processing metal.
The patent No. is 200480006791.3 American patent of invention, discloses a kind of disposable dental instrument of compressed gas-driven type, uses when being used for that workpiece carried out dental procedure.Cooperate shell (30,32) and core body (34) to constitute by two.Each shell (30,32) has mating surface, and uses various methods of attachment to make shell (30,32) combination to guarantee to realize a kind of fluid-tight, fine dental instrument.Slender body (910) has the pipeline (14) of the bottom (16) of an end that penetrates body (10).Pipeline (914) allows light beam (18), pressurised stream (20) and compressed air stream (22) to enter, and a plurality of passages (26) are communicated with pipeline (14) and are used to make light beam (18), pressurised stream (20) and compressed air stream (22) to pass through body (10).The head (44) that is positioned at the other end of body (10) is installed turbine wheel shaft (72) at the bearing surface (64) that prevents to vibrate with noise rotatably.Turbine wheel shaft (72) comprises turbo blade (74) and is used for removably dental drill (56) being attached to rotation axial holes for clamping (80).The opening (48,54) of the contiguous head (44) in the body (10) allows light beam (18), pressurised stream (20) and compressed air stream (22) are discharged with the direction towards dental drill (56), thereby makes dental drill (56), light beam (18), pressurised stream (20) and compressed air stream (22) all can converge in the workpiece place.This is exactly disposable high-speed turbine tooth-drilling hand-held machine, and " head 44 that is arranged in body 10 other ends includes the bearing 64 that is positioned at lining 66 to its description, and lining 66 is attached to the top 68 and the bottom 70 of back shaft 72.Lining 66 can be simplified the bearing installation, reduces noise and vibration, and buffering effect is provided, and this allows odontologist to receive feedback feeling when work.Lining 66 can be made by various material (including, but are not limited to rubber, plastics, metal or synthetic).Bearing 64 can be attached to lining 66 by interference fit, dedicated fastener, adhesive or epoxy resin " describe; illustrate along the direct rigid bearing 64 of back shaft axial bushings 66; need between the two bearing 64 axially to be attached to lining 66 along back shaft; this has just increased the course of processing of adhering between lining 66 and the bearing 64, has increased manufacturing cost by interference fit, dedicated fastener, adhesive or epoxy resin." another preferred embodiment of the present invention has been shown among Figure 10 and 11, and wherein lining 125 and 126 is installed in the head 127 of dental instrument its description.Impeller shaft 130 is rotatably supported by these linings, and the inwall of lining provides bearing surface, is used for the high speed rotating of impeller shaft.Lining 125 and 126 can be by the suitable metal that comprises sintering metal (sintered metal), or for example the suitable plastic of special teflon is constructed.Valuably, lining 125 and 126 has the external structure 135 of taper, and corresponding conical cavities 136 engage in taper outer structure 135 and the head 127, with restrictive axes 130 with respect to lining 125 and 126 transverse movements.Pipeline 150 in the conical cavity can be used for and will be in the internal bearings wall surface (this internal bearings wall surface supports) that water under the pressure or other lubricant are guided to lining when impeller shaft 130 is rotated, and further reduces friction between the bearing surface of axle 130 and lining 125,126 with this.In one embodiment, force the water that is under the pressure (for example to pass through by porous material, sintering metal) lining 125 of Xing Chenging and 126 wall, with lubricated this internal bearings surface " embodiment; though lining 125 and 126 has the external structure 135 of taper; taper outer structure 135 engages with corresponding conical cavities 136 in the head 127; external structure 135 of taper is to be used for restrictive axes 130 can be used for and will be in the internal bearings wall surface that water under the pressure or other lubricant are guided to lining with respect to lining 125 and 126 transverse movements and with pipeline 150; axial float that can not restrictive axes 130; if spools 130 axially loaded, blade 145 on the axle 130 will produce friction in lining 125, axle 130 will stop operating, so this embodiment does not have practicality.Moreover handle is a blank pipe, supporter is set in the middle of in the pipe vertically, various tubules are set in the pipe, and this disposable high-speed turbine tooth-drilling hand-held machine is because handle is a blank pipe, the various tubules that are provided with in the pipe are high pressure resistant materials, to adapt to high pressure draught and current, high pressure resistant material cost height, the also corresponding complete machine cost that increased, moreover just produce vibration when high pressure draught and flow instability, cause that easily various tubules come off.
The patent No. is 200610200742 patent of invention, a kind of disposable use high speed turbine dental drill hand piece is disclosed, the employing engineering plastics are once molding formed, the rear operating handle structure of a plurality of parts has been become a part, this machine handle one end links to each other with machine handle before the mobile phone, the other end is made and is adapted to the various fast tail structures of inserting the air water joints, it is characterized in that: link to each other with machine handle before the mobile phone and partly adopt connected structure, and seal trachea and water pipe from handpiece body with the O RunddichtringO.Machine handle rear portion can be designed to the various structures of different size, can patch the various fast air water joint of inserting from dental unit.This invention to the contribution of prior art is, the part hand grip control is made the entity handle, various passages are set in the handle, but the tubule of blank pipe handle and various high pressure resistant material still will be used in its front portion, still can't resolve the inherent shortcoming of blank pipe handle.
I am at the application number of application: 200720090466.0, and patent name is: a kind of simple and easy head disposable high-speed dental turbine unit.The purpose of this invention is the handpiece structure complexity that solves the disposable high-speed dental turbine unit existence of prior art, and a kind of head simple in structure is provided, and makes that the disposable high-speed dental turbine unit is cheap.A kind of simple and easy head disposable high-speed dental turbine unit, constitute by head and handle, head is by the head shell, connecting shaft impeller in the head shell and the rolling bearing between connecting shaft impeller and the head shell constitute, aqueous vapor passage in the handle leads to head, it is characterized in that: rolling bearing is the ordinary steel material, and head shell, connecting shaft impeller and handle are plastics.Described rolling bearing is two up and down, above the outer surface of rolling bearing be the cone structure face, above be packing ring between cone structure face and the head shell inverted cone shape structural plane of rolling bearing, below the structure of corresponding rolling bearing, packing ring and head shell symmetrical with it.The head shell of this structure is easy to generate vibrations, and noise is big, and result of use is very not good.
The application number that I have applied for is 200820069084.4, name is called the utility model patent of disposable dental drill passage converting means, this passage converting means is made of a section of handle and the passage that is arranged in this section handle, hollow cavity is set in this section handle, at least a passage in this section handle is communicated with hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle (this passage is called the conversion passage) of this section handle at the other end of hollow cavity.Described disposable dental drill passage converting means, inlet channel, return gas channel, jet channel and water spray passage are set in this section handle, inlet channel and return gas channel are horizontally installed in this section handle, one end of this section handle is positioned at the top horizontally set water spray passage and the jet channel of inlet channel and return gas channel, the other end of this section handle is vertically distinguished upper and lower settings water spray passage and jet channel, and hollow cavity is arranged on outside the interior inlet channel of this section handle, return gas channel and the water spray passage; The conversion passage is exactly a jet channel, and the jet channel of horizontally set is communicated with hollow cavity on hollow cavity top, and the other end vertically jet channel of below setting is communicated with hollow cavity in hollow cavity bottom.Described disposable dental drill passage converting means, described hollow cavity is made of the seal cover of open-ended cavity and opening part setting.Described disposable dental drill passage converting means, described seal cover is the Sealed casing pipe that is enclosed within the open-ended cavity opening part.Described disposable dental drill passage converting means, each mouth of pipe of this section handle one end is provided with intubate respectively, and each mouth of pipe of the other end is provided with slot respectively.The disposable dental drill of described disposable dental drill passage converting means preparation, constitute by head and handle, it is characterized in that: handle middle part wherein one section be disposable dental drill passage converting means, this passage converting means one end connects handle tail end, the other end connects the handle head end.The disposable dental drill of described disposable dental drill passage converting means preparation, it is characterized in that: the hollow cavity of described passage converting means is made of open-ended cavity and the Sealed casing pipe that is enclosed within the open-ended cavity opening part, each mouth of pipe of an end of passage converting means is provided with the intubate correspondence respectively and is connected with the handle head end, and each mouth of pipe of the other end is provided with the slot correspondence respectively and is connected with the handle tail end.The disposable dental drill of described disposable dental drill passage converting means preparation, constitute by head and handle, it is characterized in that: the handle tail end is exactly disposable dental drill passage converting means, each mouth of pipe of an end of this passage converting means is provided with the insertion pipe that is complementary with machine respectively, and each mouth of pipe of the other end is provided with connection intubate correspondence respectively and is connected with the handle head end.The disposable dental drill of described disposable dental drill passage converting means preparation, it is characterized in that: the water spray passage connects the area of intubate cross section greater than the water spray passway, the water spray passway places the corresponding eccentric position that connects intubate, the area that corresponding handle head end water spray passway connects the slot cross section is greater than the water spray passway, and the water spray passway places the corresponding eccentric position that connects the slot another side.The disposable dental drill of described disposable dental drill passage converting means preparation is characterized in that: the hollow cavity of described passage converting means is made of open-ended cavity and the Sealed casing pipe that is enclosed within the open-ended cavity opening part.The disposable dental drill of described disposable dental drill passage converting means preparation is characterized in that: handle middle part external application one deck flexiplast.Its defective is, the position of conversion passage is at different positions, and bonding position is many, is easy to generate leakage, and when using ultrasonic bonding, if welding, the welding position is many, the cost height.
The application number that I have applied for is 200620032074.4, and name is called the utility model patent of disposable dental drill with high speed connecting shaft turbine, and the mobile phone noise of this connecting shaft turbine preparation is big.
Summary of the invention:
Purpose of the present invention, be that a kind of simple and easy head disposable high-speed dental turbine unit head to prior art is easy to generate vibrations, the defective that noise is big is improved, provide a kind of vibrations simple in structure little, the disposable high-speed turbine tooth-drilling hand-held machine that noise is low, another object of the present invention, be to reduce passage converting means welding position, reduce welding cost, provide a kind of overall structure simple, cheap disposable dental drill.
Technical scheme of the present invention is: disposable high-speed turbine tooth-drilling hand-held machine, constitute by head and the handle that is connected on the head, head is covered by head shell cavity and head and the intravital movement in head shell chamber constitutes, it is characterized in that: be followed successively by from the bottom to top in the head shell cavity, location clevis, wind wheel cavity groove, upper bearing (metal) groove and head lid link slot, the head lid is positioned at head shell inner chamber body opening part, and location clevis interpolation positioning cap is provided with the positioning cap bearing groove in the positioning cap.
Described positioning cap is an interference fits with the location clevis.
Described movement is made of connecting shaft turbine and the metal (upper that is enclosed within the connecting shaft turbine wheel shaft, and the metal (upper internal ring is enclosed within respectively on the connecting shaft turbine wheel shaft, and metal (upper internal ring and connecting shaft turbine wheel shaft are interference fit.
Described connecting shaft turbine is made of impeller that is solidified as a whole and impeller shaft, and impeller shaft is provided with perforation vertically, is arranged side by side two FENGDOU on the impeller windward side vertically.
In the middle of corresponding two FENGDOU the noise reduction groove is set on the described impeller lee face.
The intravital movement in described head shell chamber is meant, movement lower bearing outer shroud places in the intravital lower bearing groove in head shell chamber, movement upper bearing (metal) outer shroud places in the interior positioning cap bearing groove of positioning cap, and lower bearing outer shroud and lower bearing groove and upper bearing (metal) outer shroud and positioning cap bearing groove all are interference fit.
Described head lid link slot is a female thread, and it is the external screw thread that matches with female thread that head covers, and the head lid is screwed in head shell inner chamber body mouth place.
Described head lid link slot is a draw-in groove, and it is the fixture block that matches with draw-in groove that head covers, and the head lid is connected to head shell inner chamber body opening part.
Described positioning cap top and head lid are compression fit.
Described handle is the handle that the passage converting means is set, the passage converting means is made of a section of handle and the passage that is arranged in this section handle, hollow cavity is set in this section handle, passage in this section handle is communicated with hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of hollow cavity.
Passage in the described handle is inlet channel, return gas channel, jet channel and water spray passage, corresponding with four passages simultaneously in this section handle four hollow cavitys are set, be respectively the hollow cavity of inlet channel, the hollow cavity of return gas channel, the hollow cavity of jet channel and the hollow cavity of water spray passage, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
Described passage converting means, inlet channel and return gas channel are horizontally installed in this section handle, an end of this section handle be positioned at inlet channel and return gas channel above, be horizontally set water spray passage and jet channel, both sides up and down at the other end inlet channel and the return gas channel of this section handle, vertical water spray passage of upper and lower settings respectively and jet channel, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
Described passage converting means, both sides up and down at the other end inlet channel and the return gas channel of this section handle, upside is provided with jet channel, downside is provided with the water spray passage, jet channel in this section handle is communicated with hollow cavity one end of jet channel by an end of this section handle, pass this section of other end pass-out handle of this section handle at the other end of the hollow cavity of jet channel, water spray passage in this section handle is communicated with hollow cavity one end of water spray passage by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of water spray passage.
Described passage converting means, an end of this section handle be positioned at inlet channel and return gas channel above, the jet channel of horizontally set is communicated with the hollow cavity of jet channel, passes the centre of position above inlet channel and return gas channel of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of jet channel; An end of this section handle be positioned at inlet channel and return gas channel above, the hollow cavity of the water spray channel connection of horizontally set water spray passage passes the centre of position below inlet channel and return gas channel of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of water spray passage.
Described passage converting means, be horizontally installed on inlet channel and return gas channel in this section handle, inlet channel is communicated with hollow cavity one end of inlet channel by an end of this section handle, pass the position of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of inlet channel, near the axis of this section handle; Return gas channel is communicated with hollow cavity one end of return gas channel by an end of this section handle, passes the position of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of return gas channel, near the axis of this section handle.
Described passage converting means, this section handle is two joint welding at the hollow cavity body region.
Described passage converting means, described passage converting means, the wherein inlet channel and the return gas channel horizontally set of an end of a joint in this section handle two joint, the water spray passage of horizontally set and jet channel are positioned at the top of inlet channel and return gas channel, each passage is communicated with the inlet channel cavity body of this joint other end respectively, return gas channel cavity body, jet channel cavity body and water spray passage cavity body, one end of another joint in this section handle two joints, be and inlet channel cavity body, return gas channel cavity body, the inlet channel boss that jet channel cavity body and water spray passage cavity bulk phase cooperate, the return gas channel boss, jet channel boss and water spray passage boss, on the corresponding boss respectively correspondence inlet channel is set, return gas channel, the other end of another joint in jet channel and this section of water spray passage pass-out handle two joints, the inlet channel boss, the return gas channel boss, the corresponding inlet channel cavity body that inserts of jet channel boss and water spray passage boss, return gas channel cavity body, jet channel cavity body and water spray passage cavity body constitute the hollow cavity of inlet channel, the hollow cavity of return gas channel, hollow cavity of jet channel and the hollow cavity of water spray passage.
Described handle is at least two sections grafting, and plugging position is provided with alignment pin, and the passage converting means places tail end.
Described head shell cavity, the material of head lid, positioning cap and connecting shaft turbine and handle is plastics.
Structure of the present invention, working of plastics is fit to the processing of mould of plastics, because the bearing junction is that metal contacts with plastics, though be tiny parts, being designed to interference fit not only can realize, and head to shake little noise low, reduced cost, positioning cap also plays cushioning effect, it is low to make that also head shakes little noise, because with turbine, turbine wheel shaft and drilling rod hole once-forming make that the rotating part of dental drill is simple in structure, and manufacture process requirement is low, reduced cost, owing to be arranged side by side two FENGDOU vertically on the impeller windward side, in the middle of corresponding two FENGDOU the noise reduction groove is set on the impeller lee face, effectively abate the noise.Because four passage converting means are arranged on the cross section, reduced connecting portion, reduced welding cost, also help the mould design, like this, just can reduce the Mould Machining cost greatly.Such structure and connected mode, the industrial structure of suitable Chinese processing manufacturing industry makes this product have competitiveness in the world, can produce as exported product.
Description of drawings
Fig. 1 is a sectional structure sketch map of the present invention;
Fig. 2 is a head sectional structure sketch map of the present invention;
Fig. 3 is a head shell sectional structure sketch map of the present invention;
Fig. 4 is a movement sectional structure sketch map of the present invention;
Fig. 5 is a connecting shaft turbine master TV structure sketch map;
Fig. 6 is along Fig. 5 MN sectional structure sketch map;
Fig. 7 is along Fig. 6 OP sectional structure sketch map;
Fig. 8 is along Fig. 6 QR sectional structure sketch map;
Fig. 9 is a handle afterbody passage converting means master TV structure sketch map of the present invention;
Figure 10 along Fig. 9 AB to the sectional structure sketch map;
Figure 11 along Fig. 9 CD to the sectional structure sketch map;
Figure 12 is along Figure 10 EFGH stagewise cutaway view structural representation;
Figure 13 is along Figure 10 IJ sectional structure sketch map;
Figure 14 is along Figure 10 KL sectional structure sketch map;
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, disposable high-speed turbine tooth-drilling hand-held machine, constitute by head 1 and the handle 2 that is connected on the head, head 1 covers 1-2 by head shell cavity 1-1 and head and the intravital movement 1-3 in head shell chamber constitutes, be followed successively by from the bottom to top in the head shell cavity 1-1, lower bearing groove 1-1-1, wind wheel cavity groove 1-1-2, location clevis 1-1-3 and head lid link slot 1-1-4, head lid 1-2 is positioned at head shell cavity 1-1 opening part, location clevis 1-1-3 interpolation positioning cap 1-4 is provided with positioning cap bearing groove 1-4-1 in the positioning cap 1-4.The lateral wall of described positioning cap 1-4 is an interference fits with clevis 1-1-3 medial wall, location.
As Fig. 4, as described in movement 1-3 constitute by connecting shaft turbine 1-3-1 and the upper bearing (metal) 1-3-2, the lower bearing 1-3-3 that are enclosed within the connecting shaft turbine wheel shaft, upper bearing (metal) 1-3-2 internal ring, lower bearing 1-3-3 internal ring are enclosed within respectively on the connecting shaft turbine wheel shaft, upper bearing (metal) 1-3-2 internal ring and last connecting shaft turbine wheel shaft 1-3-1-1 are interference fit, and lower bearing 1-3-3 internal ring is an interference fit with following connecting shaft turbine wheel shaft 1-3-1-2.
As Fig. 5, Fig. 6, Fig. 7, Fig. 8, as described in connecting shaft turbine 1-3-1 constitute by the impeller 1-3-1-3 and the impeller shaft that are solidified as a whole, impeller shaft is exactly a turbine wheel shaft, wherein go up connecting shaft turbine wheel shaft 1-3-1-1 and following connecting shaft turbine wheel shaft 1-3-1-2, impeller shaft is provided with perforation 1-3-1-4 vertically, is arranged side by side two FENGDOU 1-3-1-3-1 on the impeller 1-3-1-3 windward side vertically.In the middle of corresponding two FENGDOU noise reduction groove 1-3-1-3-1 is set on the described impeller 1-3-1-3 lee face.
The intravital movement in described head shell chamber is meant, movement lower bearing 1-3-3 outer shroud places in the intravital lower bearing groove 1-1-1 of head shell chamber, movement upper bearing (metal) 1-3-2 outer shroud places in the interior positioning cap bearing groove 1-4-1 of positioning cap, and lower bearing 1-3-3 outer shroud and lower bearing groove 1-1-1 contact site and upper bearing (metal) 1-3-2 outer shroud and positioning cap bearing groove 1-4-1 contact site all are interference fit.
Described head lid link slot 1-1-4 is a female thread, is the external screw thread that matches with female thread on the head lid 1-2, and head lid 1-2 is screwed in head shell inner chamber body mouth place.
Described head lid link slot 1-1-4 is a draw-in groove, is the fixture block that matches with draw-in groove on the head lid 1-2, and head lid 1-2 is connected to head shell inner chamber body opening part.
Described positioning cap 1-4 top and head lid 1-2 are compression fit.
As Fig. 1, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, as described in handle 2 are handles that passage converting means 2-1 is set, passage converting means 2-1 constitutes as Fig. 9 and the passage that is arranged in this section handle by one section of handle, hollow cavity is set in this section handle, passage in this section handle is communicated with hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of hollow cavity.
Passage in the described handle is inlet channel 2-1-1, return gas channel 2-1-2, jet channel 2-1-3 and water spray passage 2-1-4, corresponding with four passages simultaneously in this section handle four hollow cavity 2-2 are set, be respectively the hollow cavity 2-2-1 of inlet channel, the hollow cavity 2-2-2 of return gas channel, the hollow cavity 2-2-3 of jet channel and the hollow cavity 2-2-4 of water spray passage, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
Described passage converting means 2-1, inlet channel 2-1-1 and return gas channel 2-1-2 are horizontally installed in this section handle, an end of this section handle be positioned at inlet channel 2-1-1 and return gas channel 2-1-2 above, be horizontally set water spray passage 2-1-4 and jet channel 2-1-3, both sides up and down at the other end inlet channel 2-1-1 and the return gas channel 2-1-2 of this section handle, vertical water spray passage of upper and lower settings respectively and 2-1-4 jet channel 2-1-3, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
Described passage converting means 2-1, both sides up and down at the other end inlet channel 2-1-1 and the return gas channel 2-1-2 of this section handle, upside is provided with jet channel 2-1-3, downside is provided with water spray passage 2-1-4, jet channel 2-1-3 in this section handle is communicated with hollow cavity 2-2-3 one end of jet channel by an end of this section handle, pass this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-3 of jet channel, water spray passage 2-1-4 in this section handle is communicated with hollow cavity 2-2-4 one end of water spray passage by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-4 of water spray passage.
Described passage converting means 2-1, an end of this section handle be positioned at inlet channel 2-1-1 and return gas channel 2-1-2 above, the jet channel 2-1-3 of horizontally set is communicated with the hollow cavity 2-2-3 of jet channel, passes the centre of position above inlet channel 2-1-1 and return gas channel 2-1-2 of this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-3 of jet channel; An end of this section handle be positioned at inlet channel 2-1-1 and return gas channel 2-1-2 above, the water spray passage 2-1-4 of horizontally set is communicated with the hollow cavity 2-2-4 of water spray passage, passes the centre of position below inlet channel 2-1-1 and return gas channel 2-1-2 of this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-4 of water spray passage.
Described passage converting means 2-1, be horizontally installed on inlet channel 2-1-1 and return gas channel 2-1-2 in this section handle, inlet channel 2-1-1 is communicated with hollow cavity 2-2-1 one end of inlet channel by an end of this section handle, pass the position of this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-1 of inlet channel, near the axis of this section handle; Return gas channel 2-1-2 is communicated with hollow cavity 2-2-2 one end of return gas channel by an end of this section handle, passes the position of this section of other end pass-out handle of this section handle at the other end of the hollow cavity 2-2-2 of return gas channel, near the axis of this section handle.
Described passage converting means 2-1, this section handle is two joint 2-3 and 2-4 welding at the hollow cavity body region.
Described passage converting means 2-1, wherein the inlet channel 2-1-1 and the return gas channel 2-1-2 horizontally set of the end of a joint 2-3 in this section handle two joint, the water spray passage 2-1-4 of horizontally set and jet channel 2-1-3 are positioned at the top of inlet channel 2-1-1 and return gas channel 2-1-2, each passage is communicated with the inlet channel cavity body 2-2-1-1 of this joint 2-3 other end respectively, return gas channel cavity body 2-2-2-1, jet channel cavity body 2-2-3-1 and water spray passage cavity body 2-2-4-1, the end of another joint 2-4 in this section handle two joints, be and inlet channel cavity body 2-2-1-1, return gas channel cavity body 2-2-2-1, the inlet channel boss that jet channel cavity body 2-2-3-1 and water spray passage cavity body 2-2-4-1 match, the return gas channel boss, jet channel boss and water spray passage boss, on the corresponding boss respectively correspondence inlet channel 2-1-1 is set, return gas channel 2-1-2, the other end of another joint in jet channel 2-1-3 and this section of water spray passage 2-1-4 pass-out handle two joints, the inlet channel boss, the return gas channel boss, the corresponding inlet channel cavity body 2-2-1-1 that inserts of jet channel boss and water spray passage boss, return gas channel cavity body 2-2-2-1, jet channel cavity body 2-2-3-1 and water spray passage cavity body 2-2-4-1 constitute the hollow cavity 2-2-1 of inlet channel, the hollow cavity 2-2-2 of return gas channel, hollow cavity 2-2-3 of jet channel and the hollow cavity 2-2-4 of water spray passage.
Described handle is that two sections 2-5 and 2-6 peg graft, and plugging position is provided with alignment pin, and the passage converting means is put 2-1 in tail end.
Described head shell cavity, the material of head lid, positioning cap and connecting shaft turbine and handle is plastics.
Claims (19)
1, disposable high-speed turbine tooth-drilling hand-held machine, constitute by head and the handle that is connected on the head, head is covered by head shell cavity and head and the intravital movement in head shell chamber constitutes, it is characterized in that: be followed successively by from the bottom to top in the head shell cavity, lower bearing groove, wind wheel cavity groove, location clevis and head lid link slot, the head lid is positioned at head shell inner chamber body opening part, and location clevis interpolation positioning cap is provided with the positioning cap bearing groove in the positioning cap.
2, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 1 is characterized in that: described location clevis interpolation positioning cap is meant positioning cap and location clevis interference fits.
3, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 2, it is characterized in that: described movement, be to constitute by connecting shaft turbine and the upper bearing (metal) and the lower bearing that are enclosed within the connecting shaft turbine wheel shaft, upper bearing (metal) and lower bearing internal ring are enclosed within position, connecting shaft turbine wheel shaft upper and lower respectively, and upper bearing (metal) and lower bearing internal ring and connecting shaft turbine wheel shaft are interference fit.
4, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 3, it is characterized in that: the intravital movement in described head shell chamber is meant, movement lower bearing outer shroud places in the intravital lower bearing groove in head shell chamber, movement upper bearing (metal) outer shroud places in the interior positioning cap bearing groove of positioning cap, and lower bearing outer shroud and lower bearing groove and upper bearing (metal) outer shroud and positioning cap bearing groove all are interference fit.
5, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 4 is characterized in that: described head lid link slot is a female thread, and it is the external screw thread that matches with female thread that head covers, and the head lid is screwed in head shell inner chamber body opening part.
6, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 4 is characterized in that: described head lid link slot is a draw-in groove, and it is the fixture block that matches with draw-in groove that head covers, and the head lid is connected to head shell inner chamber body opening part.
7, as claim 5,6 described disposable high-speed turbine tooth-drilling hand-held machines, it is characterized in that: described positioning cap top and head lid are compression fit.
8, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 7, it is characterized in that: described connecting shaft turbine is to be made of impeller that is solidified as a whole and impeller shaft, and the connecting shaft turbine wheel shaft is exactly an impeller shaft, impeller shaft is provided with perforation vertically, is arranged side by side two FENGDOU on the impeller windward side vertically.
9, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 8 is characterized in that: described impeller is provided with the noise reduction groove in the middle of corresponding two FENGDOU on its lee face.
10, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 9, it is characterized in that: described handle is the handle that the passage converting means is set, the passage converting means is made of a section of handle and the passage that is arranged in this section handle, hollow cavity is set in this section handle, passage in this section handle is communicated with hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of hollow cavity.
11, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 10, it is characterized in that: the passage in the handle is inlet channel, return gas channel, jet channel and water spray passage, corresponding with four passages simultaneously in this section handle four hollow cavitys are set, be respectively the hollow cavity of inlet channel, the hollow cavity of return gas channel, the hollow cavity of jet channel and the hollow cavity of water spray passage, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
12, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 11, it is characterized in that: described passage converting means, inlet channel and return gas channel are horizontally installed in this section handle, an end of this section handle be positioned at inlet channel and return gas channel above, be horizontally set water spray passage and jet channel, both sides up and down at the other end inlet channel and the return gas channel of this section handle, vertical water spray passage of upper and lower settings respectively and jet channel, each passage in this section handle is communicated with corresponding hollow cavity one end by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of correspondence.
13, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 12, it is characterized in that: described passage converting means, both sides up and down at the other end inlet channel and the return gas channel of this section handle, upside is provided with jet channel, downside is provided with the water spray passage, jet channel in this section handle is communicated with hollow cavity one end of jet channel by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of jet channel; Water spray passage in this section handle is communicated with hollow cavity one end of water spray passage by an end of this section handle, passes this section of other end pass-out handle of this section handle at the other end of the hollow cavity of water spray passage.
14, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 13, it is characterized in that: described passage converting means, an end of this section handle be positioned at inlet channel and return gas channel above, the jet channel of horizontally set is communicated with the hollow cavity of jet channel, passes the centre of position above inlet channel and return gas channel of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of jet channel; An end of this section handle be positioned at inlet channel and return gas channel above, the hollow cavity of the water spray channel connection of horizontally set water spray passage passes the centre of position below inlet channel and return gas channel of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of water spray passage.
15, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 14, it is characterized in that: described passage converting means, be horizontally installed on inlet channel and return gas channel in this section handle, inlet channel is communicated with hollow cavity one end of inlet channel by an end of this section handle, and the position of this section of other end pass-out handle of passing this section handle at the other end of the hollow cavity of inlet channel is near the axis of this section handle; Return gas channel is communicated with hollow cavity one end of return gas channel by an end of this section handle, passes the position of this section of other end pass-out handle of this section handle at the other end of the hollow cavity of return gas channel, near the axis of this section handle.
16, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 15 is characterized in that: described passage converting means, this section handle is two joint welding at the hollow cavity body region.
17, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 16, it is characterized in that: described passage converting means, the wherein inlet channel and the return gas channel horizontally set of an end of a joint in this section handle two joint, the water spray passage of horizontally set and jet channel are positioned at the top of inlet channel and return gas channel, each passage is communicated with the inlet channel cavity body of this joint other end respectively, return gas channel cavity body, jet channel cavity body and water spray passage cavity body, one end of another joint in this section handle two joints, be and inlet channel cavity body, return gas channel cavity body, the inlet channel boss that jet channel cavity body and water spray passage cavity bulk phase cooperate, the return gas channel boss, jet channel boss and water spray passage boss, on the corresponding boss respectively correspondence inlet channel is set, return gas channel, the other end of another joint in jet channel and this section of water spray passage pass-out handle two joints, the inlet channel boss, the return gas channel boss, the corresponding inlet channel cavity body that inserts of jet channel boss and water spray passage boss, return gas channel cavity body, jet channel cavity body and water spray passage cavity body constitute the hollow cavity of inlet channel, the hollow cavity of return gas channel, hollow cavity of jet channel and the hollow cavity of water spray passage.
18, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 17 is characterized in that: described handle is at least two sections grafting, and plugging position is provided with alignment pin, and the passage converting means places tail end.
19, disposable high-speed turbine tooth-drilling hand-held machine as claimed in claim 18 is characterized in that: described head shell cavity, the material of head lid, positioning cap and connecting shaft turbine and handle is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101405550A CN101623213B (en) | 2008-07-11 | 2008-07-11 | Disposable high-speed turbine tooth-drilling hand-held machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101405550A CN101623213B (en) | 2008-07-11 | 2008-07-11 | Disposable high-speed turbine tooth-drilling hand-held machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101623213A true CN101623213A (en) | 2010-01-13 |
| CN101623213B CN101623213B (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101405550A Expired - Fee Related CN101623213B (en) | 2008-07-11 | 2008-07-11 | Disposable high-speed turbine tooth-drilling hand-held machine |
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| Country | Link |
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| CN (1) | CN101623213B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107431A1 (en) * | 2012-01-22 | 2013-07-25 | 郑州泽正技术服务有限公司 | Turbine dental drill mechanism and turbine head with same mounted therein |
| CN105361960A (en) * | 2015-12-08 | 2016-03-02 | 桂林市啄木鸟医疗器械有限公司 | Novel dental handpiece and manufacturing method thereof |
| CN110279475A (en) * | 2019-06-25 | 2019-09-27 | 佛山市碧盈医疗器材有限公司 | A kind of head of compact dental handpiece |
| CN110353831A (en) * | 2019-07-03 | 2019-10-22 | 佛山市吉亮五金设备有限公司 | Shadowless lamp dental drill |
| CN110478057A (en) * | 2018-08-08 | 2019-11-22 | 浙江牙可医疗器械有限公司 | Disposable dental handpiece |
| CN112955093A (en) * | 2018-11-16 | 2021-06-11 | 登士柏希罗纳有限公司 | Dental turbine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470813A (en) * | 1982-12-20 | 1984-09-11 | The J. M. Ney Company | High speed turbine assembly for dental handpieces and the like |
| US5490781A (en) * | 1992-09-09 | 1996-02-13 | Wade; Eric V. | Adjustable, sanitary, non-reusable high speed and low speed dental hand piece glove (cover) and noise reducer |
| CN201012130Y (en) * | 2007-05-25 | 2008-01-30 | 李晓平 | Disposal high-speed vane wheel electric dental engine with simple head |
| CN200973753Y (en) * | 2007-05-25 | 2007-11-14 | 李晓平 | Disposable high-speed turbine dental drill with an solid handle |
| CN100508912C (en) * | 2007-05-28 | 2009-07-08 | 北京诺士宝牙科手机有限公司 | Disposable high-speed turbo dental-drill hand-device |
| CN201055432Y (en) * | 2007-06-29 | 2008-05-07 | 李晓平 | Disposal high-speed turbine tooth drill with plastic hand lever |
-
2008
- 2008-07-11 CN CN2008101405550A patent/CN101623213B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107431A1 (en) * | 2012-01-22 | 2013-07-25 | 郑州泽正技术服务有限公司 | Turbine dental drill mechanism and turbine head with same mounted therein |
| CN104363855A (en) * | 2012-01-22 | 2015-02-18 | 郑州泽正技术服务有限公司 | Turbine dental drill mechanism and turbine head with same mounted therein |
| US10058398B2 (en) | 2012-01-22 | 2018-08-28 | Zhengzhou Zezheng Technical Services Ltd. | Turbine dental drill mechanism and turbine head with same mounted therein |
| CN105361960A (en) * | 2015-12-08 | 2016-03-02 | 桂林市啄木鸟医疗器械有限公司 | Novel dental handpiece and manufacturing method thereof |
| CN105361960B (en) * | 2015-12-08 | 2017-11-28 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece and preparation method thereof |
| CN110478057A (en) * | 2018-08-08 | 2019-11-22 | 浙江牙可医疗器械有限公司 | Disposable dental handpiece |
| CN112955093A (en) * | 2018-11-16 | 2021-06-11 | 登士柏希罗纳有限公司 | Dental turbine |
| CN112955093B (en) * | 2018-11-16 | 2023-01-13 | 登士柏希罗纳有限公司 | Dental turbine |
| CN110279475A (en) * | 2019-06-25 | 2019-09-27 | 佛山市碧盈医疗器材有限公司 | A kind of head of compact dental handpiece |
| CN110353831A (en) * | 2019-07-03 | 2019-10-22 | 佛山市吉亮五金设备有限公司 | Shadowless lamp dental drill |
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| CN101623213B (en) | 2011-08-17 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Lida Health Medical Devices Co. Assignor: Li Xiaoping|Zhang Jian Contract record no.: 2011410000070 Denomination of invention: Disposable high-speed turbo dental-drill hand-device License type: Exclusive License Open date: 20100113 Record date: 20110701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 |