CN107951580A - Handpiece is transmitted in coupling arrangement and vibration - Google Patents
Handpiece is transmitted in coupling arrangement and vibration Download PDFInfo
- Publication number
- CN107951580A CN107951580A CN201610899668.3A CN201610899668A CN107951580A CN 107951580 A CN107951580 A CN 107951580A CN 201610899668 A CN201610899668 A CN 201610899668A CN 107951580 A CN107951580 A CN 107951580A
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- China
- Prior art keywords
- section
- connection
- attachment tabs
- coupling arrangement
- guided rings
- Prior art date
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Links
- 230000008878 coupling Effects 0.000 title claims abstract description 52
- 238000010168 coupling process Methods 0.000 title claims abstract description 52
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 52
- 230000008602 contraction Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 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
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
- A61C1/148—Non-rotating tool holders, e.g. vibrating, oscillating, nutating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
- A61C3/03—Instruments operated by vibration
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a kind of coupling arrangement (1) and vibration to transmit handpiece (2), and coupling arrangement includes：First connection element (4) and the second connection element (5), one of connection element is designed to attachment tabs (6), attachment tabs are inserted into the connection groove (7) on another connection element Nei, wherein described attachment tabs (6) and connection groove (7) have the first section (8 respectively, and second section (10 9), 11), first section is with the screw thread (13 with least one section threaded line (13A) for being releasably attached two connection elements, 14), second section is designed so as to pass through screw thread (13 in two connection elements, 14) before being releasably connected to each other, two connection elements can be positioned relative to each other.
Description
Technical field
The present invention relates to be delivered to for powered motion and optional working media to be transmitted handpiece from vibration by shaking
A kind of instrument coupling arrangement of the dynamic medical instrument operated, specifically dental tool.
This coupling arrangement is used to be designed specifically to be attached to vibration source for removing the medical instrument of calculus dentalis
Handpiece.Be preferably designed to piezoelectric actuator, magnetostriction apparatus or air impeller in this vibration source and by sound or
Ultrasonic activation instrument.
Background technology
For this coupling arrangement of medical handpiece and instrument specifically from 2 160 997A1 of european patent application EP
It is known.
The coupling arrangement for instrument to be releasably connected to medical handpiece includes first be arranged on instrument
Connection element and the second connection element being arranged on handpiece.Two connection elements are by ball race connector and are used for
The contact surface of frictional connection and be connected to each other to ensure secure placement.Only by being fixedly connected for instrument to vibration source
Can exist and vibrational energy is delivered to instrument.Therefore, ball race connector has guiding groove, and the guiding groove surrounds
The longitudinal axis of coupling arrangement is extended with substantially spiral pattern, wherein the induction element of another connection element is bonded on guiding
In groove.Contact surface for friction lock connection is preferably by the complementation on the conical contact surface and handpiece on instrument
Contact surface is formed.Due to two connection elements turn-knob relative to each other, contacted at two between surface and establish friction lock
Fixed connection.
The content of the invention
The purpose of the present invention is formed to be used to powered motion, specifically vibration motion are transmitted handpiece from vibration and be delivered to
The coupling arrangement of medical instrument, wherein the coupling arrangement be easily manipulated and make it possible to specifically to prevent instrument and handpiece it
Between incorrect link.
According to one embodiment, there is provided a kind of coupling arrangement, it is used for powered motion, is specifically vibration motion and from shaking
The dynamic handpiece that transmits is delivered to the medical instrument that can be preferably operated by vibration, is specifically dental tool, the connection dress
Put including：The first connection element being arranged on the handpiece and the second connection element being arranged on instrument, wherein described
A connection element in two connection elements is designed to be able to the connection in the connection groove that is inserted on another connection element
Connect projection.Each in the attachment tabs and the connection groove, which has, to be used to be releasably attached two connection elements
First section and for by two connection elements along or relative to their common longitudinal axis or rotation axis positioning
Second section, wherein the second section be formed in this manner in attachment tabs and connection groove on so that two connection
Before element is releasably connected to each other by the first section, two connection elements can be positioned relative to each other, by towards that
This guides and can be along common longitudinal axis or rotation axis displacement.
The first section for being releasably attached two connection elements preferably includes screw thread respectively, and each screw thread has extremely
Few one section of threaded line.On an end of the screw thread being arranged on the connection element for being designed to attachment tabs, particularly set
There are guided rings or flange around attachment tabs extension.At least one section of threaded line of screw thread terminates at the guided rings or flange
Above or terminate at the guided rings or flange, so that the side surface of guided rings or flange is not by least one section of screw thread of screw thread
Line interrupts.The side surface of guided rings or flange is preferably designed to continuous cylindrical side, so that such as can be from following description
In find out as, it is possible to achieve especially good on each other of two connection elements and the guiding and support stablized.
It is used to guide and prop up on each other it is preferred that therefore guided rings or flange with continuous cylindrical side are formed
Support two connection elements additional support section (except for by two connection elements along their common longitudinal axis or rotation
Outside second section of shaft axis positioning).Therefore, guided rings are designed specifically to so that two connection elements can be determined relative to each other
Position, edge guide each other, and are shifted along common longitudinal axis or rotation axis, can preferably lead in two connection elements
Crossing before the first section is releasably connected to each other to be positioned relative to each other, along guiding each other, and along common
Longitudinal axis or rotation axis displacement.Preferably, guided rings are inserted into the connection groove of another connection element, especially
It is to be inserted into a manner of identical with the second section and/or together with the second section in the connection groove of another connection element.Draw
Lead ring and second section are preferably along common longitudinal axis or common axis of rotation displacement of the lines, especially in two connection
Before connecing element and being releasably connected to each other by the first section, wherein realizing changing in attachment tabs and connection groove
Kind and more stable support and guiding, its reason are the provision of guided rings, especially by screw thread that two connections are first
Part provides guided rings before combining.
In addition, the durability and stability of guided rings or flange the increase screw thread being arranged on screw thread.Screw thread preferably has
To 540 ° of stop position or 1.5 turns of maximum rotation angle.According to the first embodiment of coupling arrangement, for releasedly connecting
The first section for connecing two connection elements is connected through a screw thread to be formed, preferably for example, by the multiple-threaded screw thread of three-start screw
Connection is formed.In order to which two connection elements are positioned relative to each other, the second section and/or the guiding being arranged on thread head
Ring preferably has the cylindrical guidance surface in attachment tabs and in connection groove.It is threadedly coupled or the fastening of screw thread is turned round
Square be preferably up to 30 newton centimetre (Ncm) between 70 newton centimetre, preferably 40 newton centimetre between 60 newton centimetre, particularly
About 50 newton centimetre.
According to the second embodiment of attachment device, for being releasably attached the first section of two connection elements second
It is arranged in front of section on the front end of the side surface of attachment tabs and on the rear end of the side surface of connection groove.In order to more
Easily the first section of attachment tabs is incorporated into the respective segments of connection groove, attachment tabs have on its front end
Angle.
According to the 3rd embodiment of coupling arrangement, the diameter of the first section in attachment tabs and in connection groove is less than
The guided rings and/or the diameter of the second section in attachment tabs and in connection groove being arranged on thread head.In addition,
The length of the first section in attachment tabs is preferably smaller than the length of the second section in connection groove, so that at two
By the first section and before being coupled to each other, two connection elements are guided connection element toward each other by second section
And can be along common axis of rotation displacement of the lines.In order to subtract during vibratory drive movement is delivered to instrument from handpiece
Gently the load in the first section in attachment tabs and/or the risk of reduction attachment tabs fracture, the second section preferably have
Groove-shaped retraction portion or contraction flow region in attachment tabs.
It is at least one at least in part by titanium in two connection elements according to the 4th exemplary embodiment of coupling arrangement
Or titanium alloy is made.In addition, at least one in two connection elements is preferably at least partly equipped with wear-resistant coating.Alternatively,
At least one in two connection elements has hardened surface, it specifically includes titanium nitride.
According to all embodiments above, two connection elements preferably have fluid passage, so that working media can
It is provided to the instrument.In addition, two connection elements preferably have stop surfaces, so that two connection elements can be opposite
In being supported against each other on the axial direction of common axis of rotation line.Stop surfaces are preferably designed to flat surfaces or flat stop
Portion.
In addition, according to all embodiments above, be preferably set up the supporting zone of specially polygonal in form so as to
In one be applied to tool wrench in two connection elements.
According to an exemplary embodiment, for by preferably by vibrating the medical instrument operated, specific dentistry
Instrument transmits hand by coupling arrangement especially by vibration is releasably connected to according to the coupling arrangement of one of previous embodiment
The method of gripping member comprises the following steps：
- by the way that attachment tabs are inserted into two connection elements in connection groove along their common longitudinal axis or
Common axis of rotation line positions, until the second section of attachment tabs is at least partially disposed at the second section of connection groove
It is interior；
- by two connection elements toward each other and along their common longitudinal axis or rotation axis displacement, Zhi Daolian
The first section for connecing projection is bonded in the first section of connection groove at least in part；
- by connecting two connection elements with the first section in connection groove in attachment tabs.
By the way that attachment tabs are inserted into two connection elements in connection groove along their common longitudinal axis or
Rotation axis positioning, which is further included, to be set the guided rings being arranged on thread head or flange or is contained in connection groove.
The guided rings or flange being arranged on screw thread are preferably radially extended from connection element and/or attachment tabs.Guided rings
It is preferably designed to the form of disk.Longitudinal axis or rotation axis preferably centrally extend through (disc) guided rings.
The side surface of guided rings or flange and/or guided rings preferably has docking portion or groove, in this way, two connection elements
Advantageously simplified due to reducing friction along the displacement and guiding of common longitudinal axis on each other.At least one contracting
It is provided only on into portion or at least one groove on the surface of the guided rings or on side surface, or it extends more deeply into and draws
In lead ring, such as extend to the main body of attachment tabs.
The outside diameter of guided rings or flange is big preferably at least as the outside diameter of screw thread.The outside diameter of guided rings is especially preferred more than
The outside diameter of screw thread, so that the side surface of guided rings protrudes past screw thread.
The size of the outside diameter of guided rings or flange preferably with second section for the connection element for being designed to attachment tabs
Outside diameter size it is identical so that realize two connection elements on each other along common longitudinal axis or common axis of rotation
The particularly preferred and stable guiding of line.
Width, i.e. relative to the axial width of the longitudinal axis or rotation axis of the guided rings and/or guided rings side surface
Degree is preferably between 0.1 millimeter to 3 millimeters.(axial direction) width of guided rings and/or guided rings side surface is particularly preferably in side table
Continuously change at least arc-shaped section in face, particularly due at least one section of threaded line close control ring.
Preferably, channel form retraction portion or contraction flow region extend along guided rings or flange, particularly directly along guiding
Ring or flange extension, the channel form retraction portion or contraction flow region extend around attachment tabs and are designed to reduce due to vibratory drive
The transmission of movement causes the risk that attachment tabs and/or the first section are broken.Guided rings or flange and contraction flow region particularly preferably have
There is common annular wall, guided rings are terminated in the common annular wall on its side away from screw thread and annular wall is opposite
Contraction flow region is defined in the axial direction in guided rings.This realizes the particularly compact design of connection element or attachment tabs.
Guided rings or flange along the longitudinal axis by the fluid passage that attachment tabs extend preferably by being run through.It is described
Fluid passage preferably includes the centre bore of the vibrating shaft or drive shaft by handpiece, especially by connection element and/or institute
The centre bore of attachment tabs and/or guided rings is stated, and is designed to transmission cooling fluid, the particularly mixing of water or water-air
Thing.
Attachment tabs and connection groove preferably include being used to guide two connections along their common longitudinal axis respectively
3rd section of element, wherein being arranged in for being releasably attached the first section of two connection elements for two to be coupled
Element is along between the second section and the 3rd section of their common longitudinal axis positioning.3rd section be specifically arranged in towards
On the free end of the connection element of another connection element and/or it is arranged on the free end of attachment tabs and/or is formed this
Free end.3rd section also increase two connection elements are positioned on each other, guide and/or bearings during
Stability.But certainly it is also possible that so that coupling arrangement does not have the first section, but only there is the 3rd section.For
3rd section of two connection elements of guiding is preferably included in the cylindrical guidance surface in attachment tabs and in connection groove.
3rd section be preferably designed to attachment tabs and/or connection groove be it is non-removable or formed single-piece.Outside 3rd section
Footpath is preferably smaller than the outside diameter of first section, and especially less than screw thread and/or guided rings and/or second section is outer
Footpath.
It is arranged on the connection element that vibration is transmitted on handpiece to be preferably made of metal material, specifically has including titanium or titanium conjunction
The metal material of gold forms and has the hardened surface for specifically including titanium nitride.
It is designed to that the connection element of attachment tabs is preferably placed in vibration and transmits on handpiece, is disposed particularly in its vibration
On axis or its drive shaft, and it is designed to that the connection element of connection groove is arranged on instrument.
Component of two connection elements preferably with the handpiece, drive shaft or vibrating shaft particularly with handpiece can not
Releasably connect, be especially preferred to form single-piece, and/or be unremovably connected to instrument.
According to an exemplary embodiment, there is provided handpiece is transmitted in vibration, it, which is connectable to, to be grasped by vibration
The instrument of work, wherein the handpiece includes：Drive shaft or vibrating shaft are transmitted in vibration；Connection element, it is connected to or can connect
It is connected to vibrating shaft and is designed to attachment tabs, the attachment tabs is inserted into the connection on the connection element of the instrument
Connect in groove, wherein the attachment tabs have the first section and the second section, first section is designed to have that be used for can
The screw thread of at least one section threaded line of the connection element of instrument is connected to release, and second section is used for along common
Longitudinal axis positions two connection elements, wherein be designed to can be by the first section in two connection elements for second section
Screw thread be releasedly screwed to it is upper each other before so that two connection elements can be positioned relative to each other, along being drawn each other
Lead, and can be shifted along common longitudinal axis, wherein the guided rings or flange around attachment tabs extension are arranged at least
One section of threaded line is terminated on thread head thereon, so that the side surface of guided rings or flange is not by least the one of screw thread
Section threaded line is interrupted, and is preferably designed to continuous cylindrical side.
The connection element of handpiece and/or attachment tabs are transmitted in handpiece and/or vibration preferably has above and below
One or more or all features and/or performance.Handpiece can preferably be released by connection element and/or attachment tabs
It is connected to putting and can be particularly releasably connected to and can be operated and had by vibration by vibrating the instrument operated
There is the instrument of feature and/or performance described above and below.The coupling arrangement of the present invention is characterized by having advantages below.
Due to the design of a section in each in two connection elements of coupling arrangement prevent instrument and
Incorrect link between handpiece, a section in each in two connection elements of coupling arrangement are designed for
Two connection elements are positioned relative to their common axis of rotation line and two connection elements are displaceably installed, so that it
Guided relative to each other before two connection elements are releasably connected to each other by additional section, and can edge
Common axis of rotation displacement of the lines.Specifically, if additional section is designed to internal thread and externally threaded threaded connection,
The improper engagement of external screw thread and internal thread is prevented due to the guiding of the orientation of two connection elements relative to each other.These advantages
Guided rings on thread head are arranged in by offer to further enhance.
In addition, coupling arrangement ensures that user attaches tools to the simple and timesaving side of handpiece according to the present invention
Method.No longer need repeatedly by the first connection element be attached to second connection element so as to will be on a connection element it is outer
Screw thread is correctly inserted into the internal thread of the second connection element.
Within the scope of the invention, certainly self-evidently, coupling arrangement is not limited to use and is used to prepare dental surface
Vibration source vibration transmit handpiece.Replacing, this coupling arrangement also can drive medical handpieces with other, such as
The handpiece of rotatable driving is used together.
Brief description of the drawings
Several embodiments are based on below and the present invention will be described with reference to attached drawing.
Fig. 1 shows medical treatment device, is specifically dental treatment device, it, which has vibration transmission handpiece and is attached to, shakes
The dynamic medical instrument for transmitting handpiece, is specifically dental tool.
Fig. 2 shows the perspective view of coupling arrangement, and the coupling arrangement, which has, to be arranged in the drive shaft of the handpiece
First connection element and the second connection element being arranged on instrument.
Fig. 3 shows the cross section by handpiece drive shaft, and the connection element of wherein coupling arrangement is designed to attachment tabs.
Fig. 4 shows the cross section by medical instrument, and the connection element of wherein coupling arrangement is designed to connection groove.
Fig. 5 shows the detailed view of coupling arrangement, wherein the instrument is connected to the handpiece, and specifically first
Connection element is connected to second connection element.
Fig. 6 shows to be designed to the exemplary embodiment of the connection element of attachment tabs, it has as being used for releasedly
The guided rings or flange for connecting the screw thread of the first section of two connection elements and being arranged on screw thread.
Fig. 7 shows the exemplary embodiment of connection element, it, which is designed to have, is used for along their common longitudinal axis
Line guides the attachment tabs of the 3rd section of two connection elements.
Embodiment
Fig. 1 shows medical treatment device 29, is specifically dental treatment device, and there is vibration to transmit handpiece 2 and medical treatment for it
Instrument 3, is specifically dental tool, it is preferably operated by vibration.It is preferably designed so that the vibration source of piezoelectric actuator
It is arranged in the handpiece 2.Instrument 3 is preferably releasedly directly connected to the drive of piezoelectric actuator by the coupling arrangement
Moving axis so that instrument 3 can be activated by sound or ultrasonic wave.Supply line 30 is used for handpiece 2, is specifically handpiece 2
Driver be connected to control unit 31.In the operating process of handpiece 2, handpiece and instrument 3 are supplied and are situated between with working
Matter, specifically electric power, and the injection water for cooling of tool.In addition, supply line 30 is specifically used in 31 He of control unit
Electric signal and/or data are transmitted between handpiece 2.In order to show and adjust the operation for handpiece 2 and/or for instrument 3
Parameter, control unit 31 include at least one display 32 and at least one operating element 33.It is connectable to control unit 31
Container 34 be used as be used for cool down handpiece 2 and/or instrument 3 injection water fluid source.
Fig. 2 shows the perspective view of coupling arrangement 1 according to the present invention, and the coupling arrangement 1, which has, is arranged on described hold
The first connection element 4 and the second connection element 5 being arranged on instrument 3 on the vibrating shaft or drive shaft 28 of part 2.It is shown in which
It is preferred that the instrument 3 that dental surface is handled that is used for that can be operated by vibration is attached to its tool shaft including work first 35.
Work first 35 can have various forms.Connection element 5 is arranged on the opposite end of axis, so that instrument 3 is releasably secured to separately
On one connection element 4, another connection element 4 is preferably attached to the drive shaft 28 of handpiece 2.Connection element in drive shaft 28
4 are preferably designed to attachment tabs 6, and attachment tabs 6 are inserted into the connection groove 7 on another connection element 5.In the reality
Apply in order to which instrument 3 is fastened firmly in drive shaft 28 in example, instrument 3 has supporting zone 27, and supporting zone 27 is preferably set
Count into the form of polygon.Therefore instrument 3 can be strongly attached to axis 28 by tool wrench.By drive shaft 28 and pass through connection
The central bore 25 of connection device 1 is used as being used for the fluid passage for transmitting injection water, and the injection water is specifically used for the inside of instrument
Cooling.
Fig. 3 shows the vibrating shaft or drive shaft 28 of the handpiece 2 of the connection element 4 with coupling arrangement 1, wherein connection member
Part is designed to attachment tabs 6.It is used to be releasably attached the prominent in connection of two connection elements 4,5 in this exemplary embodiment
Play the first section 8 on 6 to be formed by being threadedly coupled 13, it preferably includes multiple thread.Drive shaft 28 and connection element 4 preferably by
Titanium is made, and has wear-resistant coating at least in the region of threaded connection.For two connection elements 4,5 are fixed relative to each other
Second section 10 of position is formed by the cylindrical guidance surface 15 in attachment tabs 6, it extends along rotation axis 12.It is described
First section 8 is arranged on the front end 17 of attachment tabs 6 in the front of the second section 10.For the ease of by the of attachment tabs 6
One section 8 is inserted into the respective segments 9 of connection groove 7, and attachment tabs 6 have the chamfering 21 on its front end 17.In order to
Two connection elements 4,5 are connected to by the first section 8 and guide two connection elements 4,5 simultaneously by the second section 10 before each other
So that two connection elements 4,5 can be along 12 displacement of common axis of rotation line, the diameter A of the first section 8 in attachment tabs 6
It is designed as the diameter B less than the second section 10.
Connection element 4 is included in the stop surfaces 23 in the base surface of vibrating shaft or drive shaft 28, attachment tabs 6 from this
Stop surfaces 23 extend.Stop surfaces 23 extend in radial directions preferably about attachment tabs 6.Stop surfaces 23 are preferably also set
It is equipped with wear-resistant coating.Also preferably there are stop surfaces 24 by vibrating the corresponding connection element 5 on the instrument 3 operated,
So that two connection elements 4,5 can by the first section 8,9 especially by be threadedly coupled 13,14 in the axial direction relative to
Common axis of rotation line 12 supports against each other.
In this exemplary embodiment, the fluid passage 25 in vibrating shaft or drive shaft 28 is along common axis of rotation line
12 extend through connection element 4, especially by attachment tabs 6, the attachment tabs 6 wherein the first section 8 and the second section 10 are gone directly
Free end 17.
Fig. 4 shows that, preferably by vibrating the medical instrument 3 operated, the wherein connection element 5 in coupling arrangement 1 is set
Count into connection groove 7.The first section 9 for being releasably attached two connection elements 4,5 is connected by having female screw thread
14 formation are connect, the internal thread is connectable to the external screw thread 13 in attachment tabs 6.It is recessed that first section 9 is arranged in connection herein
On the rear end 18 of groove 7.In connection groove 7 for the second section 11 for being positioned relative to each other two connection elements 4,5
Also formed by cylindrical guidance surface 16, cylindrical guidance surface 16 is on the axial direction relative to common axis of rotation line 12
Extension.In order to receive the attachment tabs 6 shown in Fig. 3 in connection groove 7, the diameter A' of the first section 9 is again smaller than second
The diameter B' of section 11.The two connection elements 4,5 can pass through the first section 8,9 and stop surfaces 23,24 against that at them
It is movable to interior each other before this support, and by the second section 10,11 toward each other or along guiding each other.In instrument 3
Fluid passage 26 fluid passage 25 in drive shaft can be connected to by coupling arrangement 1.
Fig. 5 shows the detailed view of coupling arrangement 1, wherein the instrument 3 is strongly attached to the handpiece 2, and
Specifically the first connection element 4 is strongly attached to second connection element 5.This is firm and is releasably attached such reality
It is existing：Two connection elements 4,5 are positioned relative to their common axis of rotation line 12 first so that there is the connection of side surface 19
Connect projection 6 to be inserted into the connection groove 7 with side surface 20, until the second section 10 cloth at least in part of attachment tabs 6
Put in the second section 11 of connection groove 7.Then by two connection elements 4,5 toward each other or along each other guiding and along
12 displacement of common axis of rotation line, until the first section 8 of attachment tabs 6 is bonded on the first of connection groove 7 at least in part
In section 9.Finally, the two connection elements 4,5 are screwed to together by the threaded connection in the first section 8,9, and by only
Dynamic surface 23,24 is securely against supporting each other.
Contraction flow region 22 in the side surface 19 of attachment tabs 6 be used to mitigating when powered motion, particularly vibration motion from
The first section 8 when handpiece 2 is delivered to instrument 3 in attachment tabs 6, particularly with internal thread and externally threaded screw thread
Connected load, and/or for reducing the risk of the first section 8 fracture.
Length L, L' of the first section 8,9 and the second section 10,11 in attachment tabs 6 and in connection groove 7 and
K, K' is chosen to two connection elements 4,5 direction before they are releasably connected to each other by the first section 8,9
Each other guiding and can be along 12 displacement of common axis of rotation line.In this aspect, the length L of the first section 8 in attachment tabs 6
The length K' for the second section 11 being specifically les than in connection groove 7, so that the first section 8 in attachment tabs 6 can
Before being inserted into the first section 9 of connection groove 7, the second section 10 of attachment tabs 6 is bonded in connection groove 7.Joining
The length K' for meeting the length K of the second section 10 in projection 6 and the second section 11 in connection groove 7 is chosen to as far as possible
Ground is big so that the accurate positionin and guiding of two connection elements 4,5 relative to each other can the weights based on described two sections 10,11
It is folded to carry out.
Fig. 6 and Fig. 7 shows to be designed to the connection element 4 of attachment tabs 6, it has as being used to be releasably attached two
The screw thread 13 with least one section threaded line 13A of first section 8 of connection element 4,5.Connection element 4 and attachment tabs 6 are excellent
Choosing is arranged on handpiece 2, is more particularly set in vibrating shaft or drive shaft 28 or is designed to vibrating shaft or drive shaft 28
A part, is specifically connected to vibrating shaft or drive shaft 28 in a manner of forming single-piece.
In an end of screw thread 13, (oneself towards another connection element 5 particularly farther away from attachment tabs
By) end of the screw thread 13 of end, the guided rings extended around attachment tabs 6 or flange 36 are set.At least the one of screw thread 13
Section threaded line 13A is terminated in guided rings 36, so that the side surface 37 of guided rings 36 is not by least one section of spiral shell of screw thread 13
Streakline 13A is interrupted.Side surface 37 is designed to continuous cylindrical side.Guided rings with continuous cylindrical side 37
36 formation are used for two connection elements 4,5 at that in addition to the second section 10 for positioning two connection elements 4,5
Another supporting section for guiding and supporting on this.
Contraction flow region 22 extends along guided rings or flange 36, which extends around attachment tabs 6, and is designed to subtract
Few transmission due to vibratory drive movement causes the risk that 6 and/or first section 8 of attachment tabs is broken.Guided rings 36 and contraction
Portion 22 is immediately adjacent to one another, and has common annular wall 38, and guided rings 36 terminate at its back of the body at the common annular wall 38
On side from screw thread 13, and annular wall defines contraction flow region 22 in the axial direction relative to guided rings 36.
Second annular wall 39 substantially parallel and opposite with first annular wall 38 specifically defines contraction flow region 22.Contraction flow region 22
It is the second section 10 for positioning two connection elements 4,5 afterwards, wherein second annular wall 39 is specifically by contraction flow region 22
It is connected to the second section 10.
Guided rings 36 are by extending through attachment tabs 6 and running through along the fluid passage 25 of longitudinal axis 12, such as above
Through as description.
Shown attachment tabs 6 have the 3rd section 39 in the figure 7, it is used for two connection elements 4,5 along them
Common longitudinal axis 12 guides.3rd section 39 is designed to cylinder and/or the guiding surface 39A with cylinder.For
The first section 8 of two connection elements 4,5 is releasably attached, particularly screw thread 13 and/or guided rings or flange 36 are arranged in
For the second section 10 for positioning the common longitudinal axis 12 of two connection elements 4,5 along them and the 3rd section 39 it
Between.Certainly can also be possible on the connection element 4,5 of Fig. 1 to Fig. 5, i.e. particularly in the connection element without guided rings 36
The 4th, 3rd section 39,39A are provided on 5.Alternately, or additionally, can also by all exemplary embodiments of Fig. 1 to Fig. 7
The 3rd section 39,39A are provided solely for, it is used to positioning connection element 4,5 along common longitudinal axis 12, guides and position
Move, therefore the second section 10,11 is not provided on connection element 4,5.
Exemplary embodiment that is said or presenting is specifically used for illustrating the present invention.Therefore in an exemplary reality
Apply the feature disclosed in example and be not limited to the exemplary embodiment, but can with one in one of other exemplary embodiments or
Multiple features combine alone or in combination.
The present invention is not limited to exemplary embodiment described here, but including being applicable in or being patrolled substantially including of the invention
Collect all embodiments of the principle of work and power.In addition, all features for all exemplary embodiments for being described herein and introducing can be with that
This combination.
Claims (16)
1. a kind of coupling arrangement (1), it is used to powered motion being delivered to medical instrument or dentistry from vibration transmission handpiece (2)
Instrument (3), the coupling arrangement (1) include：The first connection element (4) for being arranged on the handpiece (2) and it is arranged on work
Has the second connection element (5) on (3), wherein a connection element in described two connection elements (4,5) is designed to be able to
The attachment tabs (6) being inserted into the connection groove on another connection element (7), wherein, attachment tabs (6) and described
Each in connection groove (7) have the first section (8,9) for being used for being releasably attached two connection elements (4,5) and
For the second section (10,11) for positioning common longitudinal axis (12) of two connection elements (4,5) along them, wherein
The second section (10,11) in attachment tabs (6) and in connection groove (7) is formed as passing through in two connection elements (4,5)
Before first section (8,9) is releasably connected to each other, two connection elements (4,5) can be positioned relative to each other, along
Guiding and can be along common longitudinal axis (12) displacement, wherein for being releasably attached two connection elements each other
First section (8,9) of (4,5) has screw thread (13,14) respectively, and each screw thread (13,14) has at least one section of threaded line
(13A), it is characterised in that：
One end of the screw thread (13) on the connection element (4) for being designed to attachment tabs (6) is arranged in, setting surround
The guided rings (36) of attachment tabs (6) extension, at least one section of threaded line (13A) of wherein screw thread (13) terminate at the guiding
At ring, so that the side surface (37) of guided rings (36) is not interrupted by least one section of threaded line (13A) of screw thread (13).
2. coupling arrangement (1) according to claim 1, it is characterised in that the side surface (37) of guided rings (36) includes connecting
Continuous cylindrical side (37).
3. coupling arrangement (1) according to claim 1 or 2, it is characterised in that guided rings (36) and/or guided rings (36)
Side surface (37) include at least one docking portion or at least one groove.
4. coupling arrangement (1) according to claim 1 or 2, it is characterised in that the outside diameter of guided rings (36) at least with screw thread
(13) outside diameter is equally big.
5. coupling arrangement (1) according to claim 1 or 2, it is characterised in that the size of the outside diameter of guided rings (36) is with setting
The size for counting into the outside diameter of the second section (10) of the connection element (4) of attachment tabs (6) is identical.
6. coupling arrangement (1) according to claim 1 or 2, it is characterised in that the width of the side surface (37) of guided rings (36)
Degree is between 0.1 millimeter to 3 millimeters.
7. coupling arrangement (1) according to claim 1 or 2, it is characterised in that the width of the side surface (37) of guided rings (36)
Degree continuously changes at least arc-shaped section of side surface (37).
8. coupling arrangement (1) according to claim 1 or 2, it is characterised in that contraction flow region (22) prolongs along guided rings (36)
Stretch, which extends around attachment tabs (6) and be designed to reduce since the transmission of vibratory drive movement causes to couple
Projection (6) and/or the risk of the first section (8) fracture.
9. coupling arrangement (1) according to claim 8, it is characterised in that guided rings (36) and contraction flow region (22) have altogether
Same annular wall (38), guided rings (36) terminate in the common annular wall (38) on its side away from screw thread (13)
And annular wall defines contraction flow region (22) in the axial direction relative to guided rings (26).
10. coupling arrangement (1) according to claim 1 or 2, it is characterised in that guided rings (36) are by along the longitudinal direction
The fluid passage (25) that axis (12) is extended by attachment tabs (6) is run through.
11. coupling arrangement (1) according to claim 1 or 2, it is characterised in that attachment tabs (6) and connection groove (7)
Include being used for the 3rd section (39) for guiding two connection elements (4,5) along their common longitudinal axis (12) respectively, its
In be used for be releasably attached two connection elements (4,5) the first section (8,9) be arranged in for by two connection elements (4,
5) along between the second section (10,11) and the 3rd section (39) of their common longitudinal axis (12) positioning.
12. coupling arrangement (1) according to claim 11, it is characterised in that for two connection elements (4,5) of guiding
3rd section (39) is included in the cylindrical guidance surface (39A) in attachment tabs (6) and in connection groove (7).
13. coupling arrangement (1) according to claim 1 or 2, it is characterised in that the screw thread of two connection elements (4,5)
(13,14) are designed to multiple thread.
14. coupling arrangement (1) according to claim 1 or 2, it is characterised in that be arranged on vibration and transmit on handpiece (2)
Connection element (4) be made of metal material and there is hardened surface.
15. coupling arrangement (1) according to claim 1 or 2, it is characterised in that be designed to the connection member of attachment tabs (6)
Part (4) is arranged in vibration and transmits on handpiece (2), and is designed to that the connection element (5) of connection groove (7) is arranged in instrument
(3) on.
16. handpiece (2) is transmitted in one kind vibration, it is connectable to can be by vibrating the instrument (3) operated, wherein institute
Stating handpiece (2) includes：Vibrating shaft (28) is transmitted in vibration；Connection element (4), it is connected to or is connectable to vibrating shaft (28)
And it is designed to attachment tabs (6), the attachment tabs (6) are inserted on the connection element (5) of the instrument (3)
In connection groove (7), wherein the attachment tabs (6) include the first section (8) and the second section (10), first section
(8) it is used for the connection element (5) for being releasably connected to instrument (3), it is designed to the spiral shell with least one section threaded line (13A)
Line (13), and second section (10) is used to position two connection elements (4,5) along common longitudinal axis (12), wherein
Second section (10) is designed to releasedly revolve by the screw thread (13) of the first section (8) in two connection elements (4,5)
Before being screwed on each other so that two connection elements (4,5) can be positioned relative to each other, and be guided on each other, Yi Jiyan
Common longitudinal axis (12) displacement；It is characterized in that：
Guided rings (36) around attachment tabs (6) extension are arranged on an end of screw thread (13), wherein screw thread (13)
At least one section of threaded line (13A) is terminated at the guided rings, so that the side surface (37) of guided rings (36) is not by screw thread
(13) at least one section of threaded line (13A) is interrupted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899668.3A CN107951580B (en) | 2016-10-14 | 2016-10-14 | Coupling device and vibration transmission handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899668.3A CN107951580B (en) | 2016-10-14 | 2016-10-14 | Coupling device and vibration transmission handpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107951580A true CN107951580A (en) | 2018-04-24 |
| CN107951580B CN107951580B (en) | 2020-07-28 |
Family
ID=61953632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899668.3A Active CN107951580B (en) | 2016-10-14 | 2016-10-14 | Coupling device and vibration transmission handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107951580B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030022129A1 (en) * | 2001-07-27 | 2003-01-30 | Rahman Anisur Mithu | Torque lock for ultrasonic swivelable inserts |
| US20100035203A1 (en) * | 2007-01-31 | 2010-02-11 | Walter Moessle | Dental Treatment Instrument with Coupling Device for Transmission of Motion and for Releasable Attachment of a Treatment Tool |
| CN101674785A (en) * | 2007-05-04 | 2010-03-17 | 电子技术应用设计公司 | Ultrasound insert for lifting sinus membrane |
| CN101725764A (en) * | 2008-10-23 | 2010-06-09 | 株式会社湘南合成树脂制作所 | Method for linking segments and linking tool |
| US20160038257A1 (en) * | 2014-08-08 | 2016-02-11 | W&H Dentalwerk Bürmoos GmbH | Coupling device for transferring a driving movement from a vibration transferring handpiece to a medical or dental tool |
-
2016
- 2016-10-14 CN CN201610899668.3A patent/CN107951580B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030022129A1 (en) * | 2001-07-27 | 2003-01-30 | Rahman Anisur Mithu | Torque lock for ultrasonic swivelable inserts |
| US20100035203A1 (en) * | 2007-01-31 | 2010-02-11 | Walter Moessle | Dental Treatment Instrument with Coupling Device for Transmission of Motion and for Releasable Attachment of a Treatment Tool |
| CN101674785A (en) * | 2007-05-04 | 2010-03-17 | 电子技术应用设计公司 | Ultrasound insert for lifting sinus membrane |
| CN101725764A (en) * | 2008-10-23 | 2010-06-09 | 株式会社湘南合成树脂制作所 | Method for linking segments and linking tool |
| US20160038257A1 (en) * | 2014-08-08 | 2016-02-11 | W&H Dentalwerk Bürmoos GmbH | Coupling device for transferring a driving movement from a vibration transferring handpiece to a medical or dental tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107951580B (en) | 2020-07-28 |
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