CN110037811A - Root canal treatment contra-angle handpiece - Google Patents
Root canal treatment contra-angle handpiece Download PDFInfo
- Publication number
- CN110037811A CN110037811A CN201910373401.4A CN201910373401A CN110037811A CN 110037811 A CN110037811 A CN 110037811A CN 201910373401 A CN201910373401 A CN 201910373401A CN 110037811 A CN110037811 A CN 110037811A
- Authority
- CN
- China
- Prior art keywords
- elastic sheet
- transmission shaft
- electroconductive elastic
- shaft cylinder
- core component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004262 dental pulp cavity Anatomy 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 107
- 239000008358 core component Substances 0.000 claims abstract description 88
- 238000005381 potential energy Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 210000004746 tooth root Anatomy 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0007—Control devices or systems
- A61C1/0015—Electrical systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
- A61C19/041—Measuring instruments specially adapted for dentistry for measuring the length of the root canal of a tooth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Water Supply & Treatment (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention provides a kind of root canal treatment contra-angle handpieces, are related to the technical field of type medical instrument for dental use, including handpiece case, transmission shaft cylinder and axle core component；Through-hole and blind hole are offered on handpiece case, and blind hole is connected to through-hole, axle core component is plugged in through-hole, and transmission shaft cylinder is plugged in blind hole；Electroconductive elastic sheet one end is fixedly connected with transmission shaft cylinder, and the other end is abutted with axle core component.It solves the unstable technical problem of dental root canal treatment contra-angle handpiece electric conductivity, has reached the technical effect of dental root canal treatment contra-angle handpiece stable conductivity.
Description
Technical field
The present invention relates to type medical instrument for dental use technical fields, more particularly, to a kind of root canal treatment contra-angle handpiece.
Background technique
Dental care equipment mobile phone can be divided into high speed handpiece and low speed mobile phone according to revolving speed and structure, and high speed handpiece utilizes
Miniature turbine in high pressure air drives handset machine head can secondary speed reach (3-5) × 104R/min, the cutting linear velocity of vehicle needle
Up to 15m/s, and low speed mobile phone is usually gear rotation, and revolving speed is only thousands of turns per minute.
Dental root canal treatment contra-angle handpiece belongs to a seed type of type medical instrument for dental use mobile phone, and bending of the hand is used in dental root canal treatment
Machine can treat process kind carrying out canalis radicis dentis smelting and be completed at the same time canalis radicis dentis measurement, in this case, due to dentistry governance
The electrode that contra-angle handpiece is used as root canal length measurement circuit is treated, signal circuit is made using driving power transmission mechanism, makes work
Have clamping device and connects root canal length measurement circuit；But when gear rotation, because of the mechanism of gear engagement, when gear is nibbled
It is separated each other that the extremely short time is had when out between two gears, therefore causes signal circuit can instantaneous open circuit；Therefore the prior art
The contra-angle handpiece of middle offer deposits the disadvantages of electric conductivity is unstable, vulnerable in the running.
Summary of the invention
The purpose of the present invention is to provide a kind of root canal treatment contra-angle handpieces, to alleviate dentistry existing in the prior art
The root canal treatment technical problem unstable with contra-angle handpiece electric conductivity.
A kind of root canal treatment contra-angle handpiece provided by the invention, including handpiece case, transmission shaft cylinder, axle core component and conduction
Elastic slice；
Through-hole and blind hole are offered on the handpiece case, and the blind hole is connected to the through-hole, the axle core component
It is plugged in the through-hole, the transmission shaft cylinder is plugged in the blind hole；
Described electroconductive elastic sheet one end is fixedly connected with the transmission shaft cylinder, and the other end is abutted with the axle core component.
Further, the electroconductive elastic sheet includes interconnecting piece and abutting part, and the interconnecting piece and the abutting part, which are fixed, to be connected
It connects；
The interconnecting piece is fixedly connected with the transmission shaft cylinder, and the abutting part is abutted with the axle core component outer wall, and
The one end of the abutting part far from the interconnecting piece is adapted to the outer profile of the axle core component.
Further, when the abutting part is abutted with the axle core component, the abutting part has elastic potential energy.
Further, the electroconductive elastic sheet is in line-styled, and one end of the electroconductive elastic sheet is interconnecting piece, the other end be to
Socket part.
Further, the electroconductive elastic sheet is in Y type, the single-ended formation interconnecting piece of the electroconductive elastic sheet, the electroconductive elastic sheet
Both-end formed abutting part, and the both-end of the electroconductive elastic sheet have trend close to each other.
Further, the outer wall of the transmission shaft cylinder offers mounting groove, and the interconnecting piece is fixed at the installation
In slot.
Further, the mounting groove is T-shaped, and one end of the electroconductive elastic sheet is adapted to the mounting groove, and described leads
The thickness of electric elastic slice is less than the groove depth of the mounting groove.
Further, it using the axis of the transmission shaft cylinder as symmetry axis, is symmetrically arranged in the outer wall of the transmission shaft cylinder
Two mounting grooves.
Further, the axle core component outer wall offers the annular groove for abutting with the electroconductive elastic sheet.
Further, the transmission shaft cylinder has far from one end eccentric setting of the axle core component for preventing the transmission
The pin that beam barrel is rotated relative to the handpiece case, the end of the handpiece case offer the pin hole being adapted to the pin.
The utility model has the advantages that
A kind of root canal treatment contra-angle handpiece provided by the invention, including handpiece case, transmission shaft cylinder, axle core component and conduction
Elastic slice；Through-hole and blind hole are offered on handpiece case, and blind hole is connected to through-hole, axle core component is plugged in through-hole, transmission shaft
Cylinder is plugged in blind hole；Electroconductive elastic sheet one end is fixedly connected with transmission shaft cylinder, and the other end is abutted with axle core component.When in use,
Axle core component is connected to transmission shaft cylinder by electroconductive elastic sheet and is formed signal circuit, enable electric signal by electroconductive elastic sheet from
Axle core component is transferred in transmission shaft cylinder, and then is transferred in measuring circuit, guarantees the conductive stable of electric signal；Without transmission shaft
The gear on gearing shaft and axle core component in cylinder transmits electric signal, so as to avoid gear engaged transmission in the process to electricity
The generation of the hit phenomenon of signal；Meanwhile electroconductive elastic sheet is arranged in inside handpiece case, will not be formed outside handpiece case
Pendant not will increase contra-angle handpiece to disturbance of disturbance of visual field caused by user security risk.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the appearance diagram of root canal treatment contra-angle handpiece provided in an embodiment of the present invention；
Fig. 2 is transmission shaft cylinder, axle core component and electroconductive elastic sheet in root canal treatment contra-angle handpiece provided in an embodiment of the present invention
Structural schematic diagram；
Fig. 3 is transmission shaft cylinder, axle core component and electroconductive elastic sheet in root canal treatment contra-angle handpiece provided in an embodiment of the present invention
Top view；
Fig. 4 is the cross-sectional view of A-A in Fig. 3；
Fig. 5 is transmission shaft cylinder, transmission shaft, axle core component in root canal treatment contra-angle handpiece provided in an embodiment of the present invention and leads
The structural schematic diagram of electric elastic slice；
Fig. 6 is transmission shaft cylinder, transmission shaft, axle core component in root canal treatment contra-angle handpiece provided in an embodiment of the present invention and leads
The top view of electric elastic slice；
Fig. 7 is the cross-sectional view of B-B in Fig. 6；
Fig. 8 is the first embodiment structure of electroconductive elastic sheet in root canal treatment contra-angle handpiece provided in an embodiment of the present invention
Schematic diagram；
Fig. 9 is the schematic diagram of handpiece case in root canal treatment contra-angle handpiece provided in an embodiment of the present invention；
Figure 10 is the cross-sectional view of C-C in Fig. 9；
Figure 11 is second of embodiment knot of electroconductive elastic sheet in root canal treatment contra-angle handpiece provided in an embodiment of the present invention
Structure schematic diagram.
Icon:
100- handpiece case；101- through-hole；102- blind hole；110- pin hole；
200- transmission shaft cylinder；210- mounting groove；220- transmission shaft；230- pin；
300- axle core component；310- annular groove；
400- electroconductive elastic sheet；410- interconnecting piece；420- abutting part.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
With reference to shown in Fig. 1-Figure 11:
A kind of root canal treatment contra-angle handpiece provided by the invention, including handpiece case 100, transmission shaft cylinder 200, axle core component
300 and electroconductive elastic sheet 400；Through-hole 101 and blind hole 102 are offered on handpiece case 100, and blind hole 102 is connected to through-hole 101,
Axle core component 300 is plugged in through-hole 101, and transmission shaft cylinder 200 is plugged in blind hole 102；400 one end of electroconductive elastic sheet and transmission shaft
Cylinder 200 is fixedly connected, and the other end is abutted with axle core component 300.
When in use, axle core component 300 and transmission shaft cylinder 200 are connected and are formed signal circuit by electroconductive elastic sheet 400,
So that electric signal is transferred in transmission shaft cylinder 200 by electroconductive elastic sheet 400 from axle core component 300, and then is transferred to measurement electricity
Lu Zhong guarantees the conductive stable of electric signal；Without the tooth on the gearing shaft 220 and axle core component 300 in transmission shaft cylinder 200
Wheel transmitting electric signal, so as to avoid the generation during gear engaged transmission to the hit phenomenon of electric signal；Meanwhile conductive bullet
The inside of handpiece case 100 is arranged in piece 400, and pendant will not be formed outside handpiece case 100, not will increase contra-angle handpiece to
Disturbance of disturbance of visual field caused by family.
In the prior art, the conductive structure of contra-angle handpiece is equal are as follows: passes through the gear on transmission shaft 220 and axle core component 300
Cooperation carries out the transmitting of electric signal, but because of the engaged transmission characteristic of gear itself, gear and tooth in gear transmittance process
It will appear of short duration disconnection between wheel, this has also resulted in the open circuit of electric signal transmission circuit, causes electric signal that can not transmit.And
In the optinal plan of the present embodiment, transmission shaft cylinder 200 and axle core component 300 are linked together by electroconductive elastic sheet 400, shape
At electric signal transmission access, guarantees the normal transmission of electric signal, contra-angle handpiece is enabled to stablize conduction.Wherein, axle core component 300
It is all made of with transmission shaft cylinder 200 and is capable of conductive material and is made, transmission shaft cylinder 200 is connect with measuring circuit, so that axle core component
300 electric signal can be transmitted in measuring circuit.
Specifically, in actual use, axle core component 300 and transmission shaft cylinder 200 can be plugged in handpiece case 100,
Therefore electroconductive elastic sheet 400 can be also arranged in handpiece case 100, then according to the set-up mode of electroconductive elastic sheet 400 to transmission shaft
Cylinder 200 carries out adaptation adjustment；Also, transmission shaft 220 can be inserted in transmission shaft cylinder 200, the gear of 220 end of transmission shaft can be with
Gear cooperation on axle core component 300, completes transmission cooperation, drives axle core component 300 to rotate by transmission shaft 220；Therefore it leads
Electric elastic slice 400 will not influence the normal work of 100 internal component of handpiece case, and electroconductive elastic sheet 400 can guarantee contra-angle handpiece
Conduction can be stablized.
Wherein, meeting sets a through-hole 101 and a blind hole 102 on handpiece case 100, and blind hole 102 and through-hole 101 connect
It is logical；Axle core component 300 is plugged at through-hole 101, and axle core component 300 is fixed by other components such as bearings；Transmission
Beam barrel 200 is plugged in blind hole 102, and distance has a distance between transmission shaft cylinder 200 and axle core component 300, when transmission shaft 220
When being plugged in transmission shaft cylinder 200, transmission shaft 220 can connect with axle core component 300 and axle core component 300 is driven to rotate.
It should be pointed out that electroconductive elastic sheet 400 has certain elasticity, when electroconductive elastic sheet 400 is connect with axle core component 300
Afterwards, electroconductive elastic sheet 400 can be tightly bonded under the elastic force of itself with the outer wall of axle core component 300, be guaranteed high in axle core component 300
When speed rotation, electroconductive elastic sheet 400 can complete the transmitting of the electric signal between axle core component 300 and transmission shaft cylinder 200.
In the optinal plan of the present embodiment, electroconductive elastic sheet 400 include interconnecting piece 410 and abutting part 420, interconnecting piece 410 with
Abutting part 420 is fixedly connected；Interconnecting piece 410 is fixedly connected with one end of transmission shaft cylinder 200, abutting part 420 and axle core component 300
Outer wall abuts, and the one end of abutting part 420 far from interconnecting piece 410 is adapted to the outer profile of axle core component 300.
Specifically, the interconnecting piece 410 on electroconductive elastic sheet 400 is fixed together with transmission shaft cylinder 200, abutting part 420
Transmission shaft cylinder 200 is protruded, and abutting part 420 can be abutted with the outer wall of axle core component 300 after contra-angle handpiece assembly, to make
Axle core component 300 is connected to the conductive path to form power supply signal transmission with transmission shaft cylinder 200.
It should be pointed out that the shape of the one end abutted on abutting part 420 with axle core component 300 and axle core component 300
Outer profile adaptation, so that abutting part 420 can be in close contact with axle core component 300；For example, the outer profile of axle core component 300 is
Circle, one end that abutting part 420 is abutted with axle core component 300 are arc-shaped.
It may also be noted that the abutting part 420 and interconnecting piece 410 of electroconductive elastic sheet 400 are fixed together, the two is
Integral structure.
In the optinal plan of the present embodiment, when electroconductive elastic sheet 400 is abutted with axle core component 300, abutting part 420 has bullet
Property potential energy.After the abutting part 420 on electroconductive elastic sheet 400 is abutted with axle core component 300, abutting part 420 can be in axle core component 300
Under the action of flexible deformation occurs, therefore abutting part 420 can be tightly bonded with the outer wall of axle core component 300.
Wherein, electroconductive elastic sheet 400 is made of spring steel or beryllium-bronze, so that electroconductive elastic sheet 400 is in prolonged use
The abutting relation with axle core component 300 is kept in journey.
It should be pointed out that when selecting the material of production electroconductive elastic sheet 400, as long as having both elasticity, electric conductivity, root
It is selected according to actual demand.
In the optinal plan of the present embodiment, abutting part 420 and the transmission shaft 220 that is plugged in inside transmission shaft cylinder 200 are without connecing
Touching.The abutting part 420 of protrusion transmission shaft cylinder 200 is avoided to hinder 220 normal rotation of transmission shaft being plugged in transmission shaft cylinder 200.
In the optinal plan of the present embodiment, electroconductive elastic sheet 400 is in line-styled, and one end of the electroconductive elastic sheet 400 is to connect
Socket part 410, the other end are abutting part 420.
As shown in figure 11, electroconductive elastic sheet 400 is in line-styled, when the abutting part 420 and axle core component of electroconductive elastic sheet 400
When 300 abutting, electroconductive elastic sheet 400 can have elastic potential energy, so that the abutting part 420 of electroconductive elastic sheet and axle core component 300 are tightly
Contact.
In the optinal plan of the present embodiment, electroconductive elastic sheet 400 be in Y type, the single-ended formation interconnecting piece 410 of electroconductive elastic sheet 400,
The both-end of electroconductive elastic sheet 400 forms abutting part 420, and the both-end of electroconductive elastic sheet 400 has trend close to each other.
As shown in figure 8, electroconductive elastic sheet 400 is in Y type, the single-ended and interconnecting piece 410 of electroconductive elastic sheet 400 is connect, electroconductive elastic sheet
400 both-end has trend close to each other.
Specifically, abutting part 420 is fixedly connected with interconnecting piece 410, and abutting part 420 and interconnecting piece 410 are integral type knot
Structure；The both-end (i.e. abutting part 420) of electroconductive elastic sheet 400 is abutted with axle core component 300, when abutting part 420 and axle core component 300 connect
When connecing, axle core component 300 can strut the both ends of abutting part 420, so that abutting part 420 be made tightly to be bonded with axle core component 300.
Wherein, the single-ended lower part for " Y " of Y-shaped electroconductive elastic sheet 400, the both-end of Y " type electroconductive elastic sheet 400 are the upper of " Y "
Portion.
It should be pointed out that 420 elastic deformation of abutting part caused by when axle core component 300 struts abutting part 420 is less than
The maximum allowable elastic deformation of abutting part 420, therefore 300 long-time of axle core component struts abutting part 420 not will cause abutting part
420 failures.
In the optinal plan of the present embodiment, the outer wall of transmission shaft cylinder 200 offers the installation for installing electroconductive elastic sheet 400
Slot 210, one end of electroconductive elastic sheet 400 are fixed in mounting groove 210.
Specifically, installation is fixed to electroconductive elastic sheet 400 by the mounting groove 210 that 200 outer wall of transmission shaft cylinder is arranged in；
When the interconnecting piece 410 of electroconductive elastic sheet 400 is fixedly mounted in mounting groove 210, the interconnecting piece 410 of electroconductive elastic sheet 400 can be by
It is fixed in mounting groove 210, avoids electroconductive elastic sheet 400 arbitrarily mobile, reduce electroconductive elastic sheet and open circuit occurs for transmission shaft cylinder 200
Possibility.
It should be pointed out that the shape of mounting groove 210 is unlimited, as long as installation can be fixed i.e. to electroconductive elastic sheet 400
It can.
In the optinal plan of the present embodiment, mounting groove 210 is T-shaped, and one end of electroconductive elastic sheet 400 is adapted to mounting groove 210,
And the thickness of electroconductive elastic sheet 400 is less than the groove depth of mounting groove 210.
Specifically, mounting groove 210 is arranged at T-shaped, the interconnecting piece 410 of electroconductive elastic sheet 400 is also T-shaped, works as electroconductive elastic sheet
After 400 interconnecting piece 410 is put into T shape mounting groove 210, when mode is auxiliarily fixed without bonding or welding etc. other, lead
Electric elastic slice 400 can not be detached from T shape mounting groove 210 along the axial direction of transmission shaft cylinder 200, guarantee electroconductive elastic sheet
400 installation stability.
Also, in assembling, first electroconductive elastic sheet 400 is placed in mounting groove 210, then welds electroconductive elastic sheet 400
It is fixed in mounting groove 210, then plugs transmission shaft cylinder 200 in handpiece case 100, guarantee that electric signal can be accessible
It is transferred in transmission shaft cylinder 200 from electroconductive elastic sheet 400.
It should be pointed out that when 200 outer wall of transmission shaft cylinder it is rounded when (or when curved surface figure), therefore producing conductive bullet
When piece 400, the thickness to the interconnecting piece 410 of electroconductive elastic sheet 400 is needed to be adjusted, so that the interconnecting piece 410 of electroconductive elastic sheet 400
Thickness be adapted to the groove depth of the mounting groove 210 of 200 outer wall of transmission shaft cylinder.
In the optinal plan of the present embodiment, using the axis of transmission shaft cylinder 200 as symmetry axis, in the outer wall of transmission shaft cylinder 200
Mounting groove 210 there are two being symmetrical arranged.
Specifically, two mounting grooves 210 being arranged by 200 outer wall of transmission shaft cylinder, can set in 200 outer wall of transmission shaft cylinder
Set two electroconductive elastic sheets 400, and two mounting grooves 210 be it is symmetrically arranged as symmetry axis using the axis of transmission shaft cylinder 200, make
It obtains two electroconductive elastic sheets 400 and is symmetricly set on 200 outer wall of transmission shaft cylinder；When two electroconductive elastic sheets 400 are abutted with axle core component 300
Afterwards, the abutting part 420 of two electroconductive elastic sheets 400 can be symmetrically located in axle core component as symmetry axis using the axis of axle core component 300
300 outer wall, when 300 high-speed rotation of axle core component, the abutting part 420 of two electroconductive elastic sheets 400 applies axle core component 300
Angular force can cancel out each other, reduce even can be avoided the abutting parts 420 of two electroconductive elastic sheets 400 can to axle core component 300
Adverse effect during high-speed rotation.
It should be pointed out that when 200 outer wall of transmission shaft cylinder offers more than two mounting grooves 210, multiple mounting grooves 210
It is arranged circumferentially along 200 outer wall of transmission shaft cylinder.
In the optinal plan of the present embodiment, 300 outer wall of axle core component offers the annular groove for abutting with electroconductive elastic sheet 400
310。
When axle core component 300 is connect with the abutting part 420 of electroconductive elastic sheet 400, the abutting part 420 of electroconductive elastic sheet 400
Front end can enter in the annular groove 310 that 300 outer wall of axle core component opens up, by annular groove 310 to the abutting part of electroconductive elastic sheet 400
420 are constrained, and be bent electroconductive elastic sheet 400 can not along the axial dipole field of axle core component 300, so that electroconductive elastic sheet 400
Abutting part 420 can be tightly bonded with axle core component 300 always.
It should be pointed out that because of 300 outer wall of axle core component in 300 high-speed rotation of axle core component and electroconductive elastic sheet 400
Between can generate relative displacement, and user has the movement of lifting to contra-angle handpiece at work, and lifting drives central spindle by root canal file
Component 300 generates displacement.
In the optinal plan of the present embodiment, electroconductive elastic sheet 400 and transmission shaft cylinder 200 are welded.
Wherein, electroconductive elastic sheet 400 is stationarily connected to together with transmission shaft cylinder 200, so that electric signal can be from conduction
The stabilization of elastic slice 400 is transferred in transmission shaft cylinder 200.
Specifically, electroconductive elastic sheet 400 can be welded on the end of transmission shaft cylinder 200, electroconductive elastic sheet 400 or be welded on
On the outer wall of transmission shaft cylinder 200.
Specifically, electroconductive elastic sheet 400 can be connected to the outer wall of transmission shaft cylinder 200, such as the outer wall of traditional beam barrel opens up
There is clamping groove, is fixed electroconductive elastic sheet 400 by clamping groove.
Specifically, electroconductive elastic sheet 400 can be bonded in the outer wall of transmission shaft cylinder 200, wherein binder uses conducting resinl.
Specifically, electroconductive elastic sheet 400 can also be fixed on the outer wall of transmission shaft cylinder 200 by screw (bolt), specifically,
Tapped blind hole 102 is offered in transmission shaft cylinder 200, offers unthreaded hole on electroconductive elastic sheet 400, by screw (bolt) by conductive bullet
Piece 400 is fixed in transmission shaft cylinder 200.
In the optinal plan of the present embodiment, transmission shaft cylinder 200 has far from one end eccentric setting of axle core component 300 for preventing
The only pin 230 that transmission shaft cylinder 200 is rotated relative to handpiece case 100, the end of handpiece case, which is offered, to be adapted to pin 230
Pin hole 110.
After transmission shaft cylinder 200 is inserted into the blind hole 102 in handpiece case 100, transmission shaft cylinder 200 is far from axle core component
The pin 230 of 300 one end setting is able to enter in pin hole 110, limits transmission shaft cylinder 200 relative to machine by pin 230
The rotation of head shell 100 guarantees that the electroconductive elastic sheet 400 being arranged in transmission shaft cylinder 200 will not follow transmission shaft cylinder 200 arbitrarily to turn
It is dynamic, so that electroconductive elastic sheet 400 be avoided to cause to hinder to the transmission shaft 220 in transmission shaft cylinder 200.
In conclusion guaranteeing that contra-angle handpiece has stable electric conductivity, and pass through by by the setting of electroconductive elastic sheet 400
Electroconductive elastic sheet 400 is arranged inside handpiece case 100, simplifies equipment overall structure, without hanging component outside contra-angle handpiece, no
Increase contra-angle handpiece to hinder the sight of medical worker.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of root canal treatment contra-angle handpiece characterized by comprising handpiece case (100), transmission shaft cylinder (200), central spindle group
Part (300) and electroconductive elastic sheet (400)；
Through-hole (101) and blind hole (102), and the blind hole (102) and the through-hole are offered on the handpiece case (100)
(101) it is connected to, the axle core component (300) is plugged in the through-hole (101), and the transmission shaft cylinder (200) is plugged in described
In blind hole (102)；
Described electroconductive elastic sheet (400) one end is fixedly connected with the transmission shaft cylinder (200), the other end and the axle core component
(300) it abuts.
2. root canal treatment contra-angle handpiece according to claim 1, which is characterized in that the electroconductive elastic sheet (400) includes connecting
Socket part (410) and abutting part (420), the interconnecting piece (410) are fixedly connected with the abutting part (420)；
The interconnecting piece (410) is fixedly connected with the transmission shaft cylinder (200), the abutting part (420) and the axle core component
(300) outer wall abuts, and the abutting part (420) one end and the axle core component (300) far from the interconnecting piece (410)
Outer profile adaptation.
3. root canal treatment contra-angle handpiece according to claim 2, which is characterized in that the abutting part (420) with it is described
When axle core component (300) abuts, the abutting part (420) has elastic potential energy.
4. root canal treatment contra-angle handpiece according to claim 3, which is characterized in that the electroconductive elastic sheet (400) is in " one "
Font, one end of the electroconductive elastic sheet (400) are interconnecting piece (410), and the other end is abutting part (420).
5. root canal treatment contra-angle handpiece according to claim 3, which is characterized in that the electroconductive elastic sheet (400) is in Y type,
The both-end of the single-ended formation interconnecting piece (410) of the electroconductive elastic sheet (400), the electroconductive elastic sheet (400) forms abutting part
(420), and the both-end of the electroconductive elastic sheet (400) has trend close to each other.
6. root canal treatment contra-angle handpiece according to claim 2, which is characterized in that the outer wall of the transmission shaft cylinder (200)
It offers mounting groove (210), the interconnecting piece (410) is fixed in the mounting groove (210).
7. root canal treatment contra-angle handpiece according to claim 6, which is characterized in that the mounting groove (210) is T-shaped, institute
The one end for stating electroconductive elastic sheet (400) is adapted to the mounting groove (210), and the thickness of the electroconductive elastic sheet (400) is less than described
The groove depth of mounting groove (210).
8. root canal treatment contra-angle handpiece according to claim 6, which is characterized in that with the axis of the transmission shaft cylinder (200)
Line is symmetry axis, is symmetrical arranged in the outer wall of the transmission shaft cylinder (200) there are two the mounting groove (210).
9. root canal treatment contra-angle handpiece according to claim 1-8, which is characterized in that the axle core component
(300) outer wall offers the annular groove (310) for constraining the electroconductive elastic sheet (400).
10. root canal treatment contra-angle handpiece according to claim 1-8, which is characterized in that the transmission shaft cylinder
(200) one end eccentric setting far from the axle core component (300) has for preventing the relatively described machine of the transmission shaft cylinder (200)
The pin (230) that head shell (100) rotates, the end of the handpiece case offers the pin hole being adapted to the pin (230)
(110)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373401.4A CN110037811A (en) | 2019-05-06 | 2019-05-06 | Root canal treatment contra-angle handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373401.4A CN110037811A (en) | 2019-05-06 | 2019-05-06 | Root canal treatment contra-angle handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110037811A true CN110037811A (en) | 2019-07-23 |
Family
ID=67280991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910373401.4A Pending CN110037811A (en) | 2019-05-06 | 2019-05-06 | Root canal treatment contra-angle handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110037811A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839759A (en) * | 2020-07-20 | 2020-10-30 | 桂林市啄木鸟医疗器械有限公司 | Dental root canal therapy uses curved hand machine |
| WO2022016599A1 (en) * | 2020-07-20 | 2022-01-27 | 桂林市啄木鸟医疗器械有限公司 | Curved handpiece used for dental root canal therapy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201510366U (en) * | 2009-10-21 | 2010-06-23 | 尹蓓莉 | Novel optical-fiber enginebit cellphone |
| CN204562421U (en) * | 2015-03-30 | 2015-08-19 | 中国人民解放军第四军医大学 | Therapeutic instrument for root canal of teeth |
| CN205073048U (en) * | 2015-09-30 | 2016-03-09 | 宁波和平鸽口腔医疗器材有限公司 | Disposable light -emitting component structure of dental handpiece |
| CN107007367A (en) * | 2017-04-20 | 2017-08-04 | 常州博美医疗科技有限公司 | A kind of therapeutic instrument for root canal easy to use |
| CN210130950U (en) * | 2019-05-06 | 2020-03-10 | 桂林市啄木鸟医疗器械有限公司 | Bending handpiece for root canal therapy |
-
2019
- 2019-05-06 CN CN201910373401.4A patent/CN110037811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201510366U (en) * | 2009-10-21 | 2010-06-23 | 尹蓓莉 | Novel optical-fiber enginebit cellphone |
| CN204562421U (en) * | 2015-03-30 | 2015-08-19 | 中国人民解放军第四军医大学 | Therapeutic instrument for root canal of teeth |
| CN205073048U (en) * | 2015-09-30 | 2016-03-09 | 宁波和平鸽口腔医疗器材有限公司 | Disposable light -emitting component structure of dental handpiece |
| CN107007367A (en) * | 2017-04-20 | 2017-08-04 | 常州博美医疗科技有限公司 | A kind of therapeutic instrument for root canal easy to use |
| CN210130950U (en) * | 2019-05-06 | 2020-03-10 | 桂林市啄木鸟医疗器械有限公司 | Bending handpiece for root canal therapy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839759A (en) * | 2020-07-20 | 2020-10-30 | 桂林市啄木鸟医疗器械有限公司 | Dental root canal therapy uses curved hand machine |
| WO2022016599A1 (en) * | 2020-07-20 | 2022-01-27 | 桂林市啄木鸟医疗器械有限公司 | Curved handpiece used for dental root canal therapy |
| EP3964162A4 (en) * | 2020-07-20 | 2022-06-08 | Guilin Woodpecker Medical Instrument Co., Ltd. | Curved handpiece used for dental root canal therapy |
| JP2022545758A (en) * | 2020-07-20 | 2022-10-31 | 桂林市啄木鳥医療器械有限公司 | Contra-angle handpiece for root canal treatment |
| US20220409336A1 (en) * | 2020-07-20 | 2022-12-29 | Guilin Woodpecker Medical Instrument Co., Ltd. | Curved handpiece for dental root canal treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110037811A (en) | Root canal treatment contra-angle handpiece | |
| CN103111809B (en) | Brush-type seal simplified manufacturing method | |
| CN110368107A (en) | Dental handpiece speedup bender | |
| CN211131450U (en) | High-speed mobile phone with freely adjustable head angle and handle angle range | |
| CN212308072U (en) | Dental curette and root canal therapy appearance | |
| CN205231433U (en) | Slip ring | |
| CN210130950U (en) | Bending handpiece for root canal therapy | |
| CN216724774U (en) | Dental handpiece and dental therapeutic apparatus | |
| CN213098430U (en) | A device for department of stomatology endodontic treatment | |
| CN201418786Y (en) | Disposable thimble type high-speed turbine dental hand-piece | |
| CN208903083U (en) | Clock with concentric spinning transmission structure single channel or multichannel current transmission device | |
| CN210697851U (en) | Dental handpiece speed-increasing bending machine | |
| CN209629862U (en) | A kind of novel high speed handpiece machine core clamp structure | |
| CN201861778U (en) | Teeth protecting bending structure for handheld teeth polisher | |
| CN204520862U (en) | Neuro-surgery is performed the operation special 80000RPM contra-angle handpiece | |
| CN215839572U (en) | Dental handpiece and root canal therapeutic instrument | |
| CN220158410U (en) | Dental angle hand-held machine | |
| CN205639535U (en) | Gear | |
| CN204520863U (en) | Neuro-surgery is performed the operation special 80000RPM straight handpiece | |
| CN218305163U (en) | Long-life gutta-percha needle | |
| CN215058845U (en) | Simple rotary connecting shaft | |
| CN204985605U (en) | Speed reducer cycloid wheel | |
| CN218761225U (en) | Large-scale differential mechanism planetary gear | |
| CN211674637U (en) | Handle head capable of rotating angle | |
| CN213552490U (en) | A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |