CN107157595A - A kind of dentistry spanner - Google Patents
A kind of dentistry spanner Download PDFInfo
- Publication number
- CN107157595A CN107157595A CN201710536372.XA CN201710536372A CN107157595A CN 107157595 A CN107157595 A CN 107157595A CN 201710536372 A CN201710536372 A CN 201710536372A CN 107157595 A CN107157595 A CN 107157595A
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- rotating shaft
- gear
- holder
- central axis
- axle sleeve
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to dental tool technical field, a kind of dentistry spanner, including holder and the chovr body for being installed in holder one end are in particular disclosed；It is rotatably connected in holder in first rotating shaft, chovr body and is rotatably connected to the second rotating shaft and the 3rd rotating shaft, first rotating shaft drives the 3rd axis of rotation via the second rotating shaft, the 3rd rotating shaft is provided with the mounting hole for manifesting chovr body；When actual use, extraneous swivel head is encased in mounting hole, the hand-held holder of dentist simultaneously stretches into swivel head in the oral cavity of oral cavity patient, utilize the rotation that the i.e. achievable oral cavity interior spinner head of the first axle body rotation is driven in oral external, compared to traditional oral spanner in intraoral transverse shifting, the transverse shifting of traditional oral spanner is replaced with rotary motion, torque adjusting is convenient, the installation of implant screw can be readily achieved in limited oral cavity space, the efficiency of implant screw installation is greatly promoted.
Description
Technical field
The present invention relates to dental tool technical field, a kind of dentistry spanner is in particular disclosed.
Background technology
, it is necessary to be cured for the tooth of damage after the injury of teeth of people, now it is accomplished by utilizing special tooth
Section's instrument, for example, carrying out brill dental cavity, Teeth-cutting, implant screw etc. to the tooth of damage using dental tool.
General dental tool is equivalent to a small wrench on existing market, is commonly called as dentistry spanner, when actual use, will
One end of dentistry spanner is extend into oral cavity, and dentist grasps the other end of dentistry spanner, is moved using the transverse direction of dentistry spanner
Operation dynamic and then that realization is to damage tooth（Such as bore dental cavity, Teeth-cutting or implant screw）, because mouth cavity space is relative
Smaller, the rotational angle of dentistry spanner is also very limited, causes the operation of dentistry spanner to be inconvenient, and is unfavorable for making damage tooth
The lifting of industry efficiency.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of dentistry spanner,
The transverse shifting of traditional oral spanner is replaced with rotary motion, implant screw can be readily achieved in limited oral cavity space
Installation, greatly promote implant screw installation efficiency.
To achieve the above object, a kind of dentistry spanner of the invention, including holder and turn for being installed in holder one end
Junctor, holder is arranged in a crossed manner with chovr body；It is rotatably connected in first rotating shaft, chovr body and is rotatably connected in the holder
Second rotating shaft and the 3rd rotating shaft, the central axis of first rotating shaft are overlapped with the central axis of holder, the central shaft of the second rotating shaft
Line is overlapped with the central axis of chovr body, and the central axis and the central axis of the second rotating shaft of the 3rd rotating shaft are arranged in a crossed manner, and first
The extended line of the extended line of the central axis of rotating shaft and the central axis of the 3rd rotating shaft is arranged in a crossed manner, and first rotating shaft is via second turn
Axle drives the 3rd axis of rotation, and the 3rd rotating shaft is provided with the mounting hole for manifesting chovr body.
Preferably, the holder includes the adapter of handle and one end bending extension from handle, and chovr body is detachable
Ground is connected to adapter, and one end of first rotating shaft is equiped with the first gear ring, and one end of the second rotating shaft is equiped with nibbles with the first gear ring
The second gear ring closed, the other end of the second rotating shaft is equiped with the 3rd gear ring, and the 3rd rotating shaft is equiped with the engaged with the 3rd gear ring
Four gear rings.
Preferably, the adapter is removably attachable to handle, adapter be provided with the base portion that is bolted in handle one end and
The switching part of extension is bent from base portion, the second rotating shaft is installed in switching part, the central axis of the second rotating shaft and the center of switching part
Axis is overlapped, and chovr body is bolted in switching part.
Preferably, second rotating shaft includes the first axle sleeve and the first axle body being rotationally connected with the first axle sleeve, second
Gear ring, the 3rd gear ring are installed in the two ends of the first axle body respectively, and the first axle sleeve is located between the second gear ring and the 3rd gear ring, and first
Axle sleeve is bolted in adapter.
Preferably, the first axle is arranged with spacing collar, and spacing collar is formed from the outer surface projection of the first axle sleeve, first axle
The outer sheath of set is provided with the first fixed cover for being connected to spacing collar one end, and the first fixed cover is bolted in adapter, the first fixed cover
Provided with for abutting first gear of the switching part away from base portion one end to circle.
Preferably, the chovr body includes accommodating cylinder, is movably set in the fixed cylinder of accommodating cylinder one end and is installed in accommodating
Second fixed cover of cylinder one end, the first axle sleeve, the 3rd rotating shaft are respectively positioned in accommodating cylinder, and the second fixed cover is sheathed on the first axle sleeve simultaneously
It is connected to the other end of spacing collar；Second fixed cover is provided with the second gear for stretching out accommodating cylinder to enclosing, and being provided with fixed cylinder is used for
Second gear is abutted to the limited step enclosed, second gear to circle is positioned at limited step and first gear between enclosing.
Preferably, the first gear is provided around multiple first fixture blocks of spacing collar to circle, and second gear to circle is provided around
Multiple second fixture blocks of spacing collar, multiple first fixture blocks are staggered with multiple second fixture blocks.
Preferably, the 3rd rotating shaft includes the second axle sleeve being installed in chovr body, be located in the second axle sleeve the
Two axis bodies, the rolling bearing being installed between the second axle sleeve and the second axle body, the 4th gear ring are sheathed on the second axle body, the second axle sleeve
Provided with resigning hole, the 3rd gear ring is engaged via resigning hole with the 4th gear ring, and mounting hole is arranged at the second axle body.
Preferably, the 4th gear ring includes ring gear portion and the tooth set portion being connected with ring gear portion, and ring gear portion and tooth set portion are equal
Be sheathed on the second axle body, rolling bearing is sheathed on tooth set portion and is connected to the one end in ring gear portion, the other end in ring gear portion be provided with
Multiple teeth portion of 3rd gear ring engagement, teeth portion is formed from the outer surface projection in ring gear portion.
Preferably, the one end of the first rotating shaft away from the second rotating shaft stretches out holder, and first rotating shaft stretches out gripping
One end of body is equiped with drive component, and drive component includes being installed in the drive block of first rotating shaft, is installed in drive block and is arranged
Chuck in first rotating shaft, it is rotationally connected with the grip block of first rotating shaft, is sheathed on the sleeve of drive block, drive block, which is located at, is gripped
Between body and grip block, chuck is located at the one end of drive block away from grip block, and chuck is close to the side of grip block provided with multiple recessed
Hole, multiple pits surround the central axis circular array of first rotating shaft, and grip block is provided with protruded stigma, protruded stigma close to one end of chuck
Position-limiting drum is slidably connected, the outer sheath of protruded stigma is provided with back-moving spring, and the two ends of back-moving spring abut position-limiting drum and grip respectively
Block, the one end of position-limiting drum away from grip block is used for through drive block and protruded into pit；The outside of sleeve or grip block it is outer
Side is identified provided with multiple torques, and multiple torque identification rings set around the central axis of sleeve or set around the central axis of grip block
Put.
Beneficial effects of the present invention：When actual use, extraneous swivel head is encased in mounting hole, dentist's hand grip
Hold body and stretch into swivel head in the oral cavity of oral cavity patient, oral cavity can be achieved using being rotated in oral external driving the first axle body
The rotation of interior spinner head, compared to traditional oral spanner in intraoral transverse shifting, is pulled with rotary motion instead of traditional oral
The transverse shifting of hand, the installation of implant screw can be readily achieved in limited oral cavity space, implant screw is greatly promoted
The efficiency of installation.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is the close-up schematic view of part A in Fig. 2；
Fig. 4 is the decomposition texture schematic diagram of the first fixed cover, the first axle sleeve and the first axle body of the present invention；
Fig. 5 is the decomposition texture schematic diagram of the second fixed cover, the second axle sleeve and the second axle body of the present invention；
Fig. 6 is the decomposition texture schematic diagram of the drive component of the present invention.
Reference includes：
1-holder, 2-chovr body, 3-handle
The rotating shaft of 4-adapter, 5-first rotating shaft 6-the second
7-the three 8-the four 9-mounting hole of gear ring of rotating shaft
The axle sleeve of 11-base portion, 12-switching part 13-the first
The fixed cover of 14-the first axle body, 15-spacing collar 16-the first
17-first gear extremely encloses 18-accommodating cylinder, 19-fixed cylinder
21-the second 22-second gear of fixed cover extremely encloses the 23-the first fixture block
24-the second fixture block 26-the second axle body of the 25-the second axle sleeve
27-rolling bearing, 28-resigning hole, 29-ring gear portion
31-tooth set portion, 32-teeth portion, 33-protecting crust
34-dew hole 35-card, 36-bayonet socket
37-drive block, 38-chuck, 39-grip block
41-sleeve, 42-pit, 43-protruded stigma
44-position-limiting drum, 45-back-moving spring.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
It is bright, the content that embodiment is referred to not limitation of the invention.
Refer to Fig. 1 and Fig. 2, a kind of dentistry spanner of the invention, including holder 1 and be installed on the one end of holder 1
Chovr body 2, holder 1 and chovr body 2 be arranged in a crossed manner, i.e., chovr body 2 is formed from one end bending extension of holder 1；It is described
It is rotatably connected in holder 1 in first rotating shaft 5, chovr body 2 and is rotatably connected to the second rotating shaft 6 and the 3rd rotating shaft 7, first rotating shaft
5 central axis is overlapped with the central axis of holder 1, the central axis of the second rotating shaft 6 and the central axis weight of chovr body 2
Close, the central axis of the 3rd rotating shaft 7 and the central axis of the second rotating shaft 6 are arranged in a crossed manner, it is preferable that the central shaft of the 3rd rotating shaft 7
Line and the central axis upright of the second rotating shaft 6 are set, i.e., the central axis of the 3rd rotating shaft 7 and the central axis of the second rotating shaft 6 it
Between angle be 90 °, the extended line of the extended line of the central axis of first rotating shaft 5 and the central axis of the 3rd rotating shaft 7, which intersects, to be set
Put, first rotating shaft 5 via the second rotating shaft 6 drive the 3rd rotating shaft 7 rotate, it is preferable that first rotating shaft 5 away from the second rotating shaft 6 one
Distal process stretches out holder 1, facilitates dentist to grasp in the one end of first rotating shaft 5 away from the second rotating shaft 6, the present embodiment, and first
One end that rotating shaft 5 stretches out holder 1 is also equiped with drive disk, and dentist's grasping drive disk rotates first rotating shaft 5 when using,
3rd rotating shaft 7 is provided with the mounting hole 9 for manifesting chovr body 2.
When actual use, extraneous swivel head is encased in mounting hole 9, the hand-held holder 1 of dentist and by swivel head
In the oral cavity for stretching into oral cavity patient, dentist rotates in the one end of oral external driving the first axle body 5 away from the second axle body 6 is
The rotation of oral cavity interior spinner head can be achieved, compared to traditional oral spanner in intraoral transverse shifting, is replaced with rotary motion
The transverse shifting of traditional oral spanner, torque adjusting is convenient, and implant screw can be readily achieved in limited oral cavity space
Installation, greatly promote implant screw installation efficiency.In addition, dentist realizes swivel head by turning the first axle body 5
Rotate, the angular dimension that the first axle body 5 is rotated is adjusted according to actual needs, the accurate operation of spin head is realized, compared to
Dentistry spanner of the prior art, greatly promotes the installation accuracy of implant screw.
The holder 1 includes the adapter 4 of handle 3 and one end bending extension from handle 3, and chovr body 2 is removably
It is connected on adapter 4, one end of first rotating shaft 5 is equiped with the first gear ring, and one end of the second rotating shaft 6 is equiped with and the first gear ring
Second gear ring of engagement, the other end of the second rotating shaft 6 is equiped with the 3rd gear ring, and the 3rd rotating shaft 7 is equiped with engages with the 3rd gear ring
The 4th gear ring 8；Preferably, one end of the 3rd rotating shaft 7 stretches out chovr body 2, and mounting hole 9 is arranged on the 3rd rotating shaft 7 and stretched out
One end of chovr body 2, the 3rd rotating shaft 7 stretches out one end of chovr body 2 and handle 3 is located at the both sides of chovr body 2 respectively.
In the real process of dentistry spanner, for different oral cavity patients, it is only necessary to by the chovr body 2 contacted with patient from
Disassembled on holder 1, you can easily carry out disinfection operation to dentistry spanner, greatly promotes the disinfection efficiency of dentistry spanner,
Avoid cross-infection between different oral cavity patients.
Fig. 1 to Fig. 3 is referred to, the adapter 4 is detachably connected on one end of handle 3, and adapter 4 is provided with spiral shell
The base portion 11 and the switching part 12 from the bending extension of base portion 11 being connected on the one end of handle 3, the i.e. central axis of base portion 11 and switching
There is angle, the second rotating shaft 6 is installed in switching part 12, in the present embodiment, and the second rotating shaft 6 is spirally connected between the central axis in portion 12
In switching part 12, the central axis of the second rotating shaft 6 is overlapped with the central axis of switching part 12, and chovr body 2 is screwed onto switching part
12 outside, it is preferable that adapter 4 is provided with external screw thread, and chovr body 2 is provided with the internal thread with the external thread bolt connection of adapter 4.
Fig. 1 is referred to Fig. 4, second rotating shaft 6 includes the first axle sleeve 13 and is rotatably connected in the first axle sleeve 13
The first axle body 14, for example, the two ends of the first axle body 14 are arranged with bearing respectively, bearing is connected on the inwall of the first axle sleeve 13,
Second gear ring, the 3rd gear ring are respectively installed on the two ends of the first axle body 14, and the first axle sleeve 13 is located at the second gear ring and the 3rd tooth
Between circle, the first axle sleeve 13 is screwed onto in the switching part 12 of adapter 4, and the second gear ring is through switching part 12 and protrudes into base portion 11
Interior, the first gear ring of first rotating shaft 5 is engaged in base portion 11 with the second gear ring.
During actual assembled, bearing is first set in the outside of the first axle body 14, then by the second gear ring（Or the 3rd gear ring）
On the one end for being installed in the first axle body 14, now the second gear ring（Or the 3rd gear ring）Bearing is stopped, prevents bearing from coming off, then
First axle sleeve 13 is set in the outside of the first axle body 14 again, then by the 3rd gear ring（Or second gear ring）It is installed in the first axle body
On 14 other end, then the first axle sleeve 13 is screwed onto in the switching part 12 of adapter 4 again.
Be provided with spacing collar 15 on first axle sleeve 13, the integral projection in outer surface of spacing collar 15 from the first axle sleeve 13 and
Into the outer sheath of the first axle sleeve 13 is provided with the first fixed cover 16 being connected on the one end of spacing collar 15, it is preferable that the first axle sleeve 13
The shape of cross section at the position coordinated with the first fixed cover 16 is non-circular, when the first axle sleeve 13 is set in the first fixed cover 16
After together, prevent both from relatively rotating；The outside of first fixed cover 16 is provided with external screw thread, the external screw thread of the first fixed cover 16
It is screwed onto in the switching part 12 of adapter 4, the first fixed cover 16 is provided with for abutting switching part 12 away from the one end of base portion 11
First gear is to enclosing 17, and in the assembling process of sub-assembly and switching part 12, the first fixed cover 16 is rotated relative to switching part 12, until
First gear is connected on the end face of switching part 12 to enclosing 17, you can complete the assembling of the first fixed cover 16 and switching part 12.
The first axle body 14 is set in after the axle sleeve 13 of the first axle body 14 and first is completed, then by the first fixed cover 16
The sub-assembly of the first axle body 14, the first axle sleeve 13 and the first fixed cover 16, is then arranged on switching part 12 by outside, rotates the
One axle sleeve 13 so that the external thread bolt connection of the first fixed cover 16 is in switching part 12, it is preferable that the outside of the first fixed cover 16 is convex
Provided with flange collar, during the first fixed cover 16 is spirally connected with switching part 12, until the end face of switching part 12 is connected in flange collar,
The installation of above stated assembly and adapter 4 can be completed.
The chovr body 2 includes accommodating cylinder 18, the fixed cylinder 19 being movably set on the outside of accommodating one end of cylinder 18 and is installed in
It is fixed after fixed cylinder 19 is set in the outside of accommodating cylinder 18 in the second fixed cover 21 on accommodating one end of cylinder 18, the present embodiment
Cylinder 19 can move back and forth along accommodating cylinder 18；First axle sleeve 13, the 3rd rotating shaft 7 are respectively positioned in accommodating cylinder 18, the second fixed cover 21
It is set in the outside of the first axle sleeve 13 and is connected on the other end of spacing collar 15；Second fixed cover 21 is provided with and stretches out accommodating cylinder
18 second gear is to enclosing 22, and interior be provided with of fixed cylinder 19 is used to abut second gear to the limited step for enclosing 22, and second gear extremely encloses 22
In limited step and first gear between circle 17.
During actual assembled, fixed cylinder 19 is set in the outside of one end of accommodating cylinder 18, then pacified the second fixed cover 21
On one end of accommodating cylinder 18, in the other end that the 3rd rotating shaft 7 is encased in accommodating cylinder 18, then the first axle sleeve 13 is run through
Second fixed cover 21 is encased in accommodating cylinder 18, until the second fixed cover 21 is connected on the other end of spacing collar 15, then will
Fixed cylinder 19 is moved along accommodating cylinder 18 towards the direction close to adapter 4, fixed cylinder 19 is rotated further by afterwards so that fixed cylinder 19 is spirally connected
In the outside of switching part 12, until the limited step of fixed cylinder 19 is connected to second gear to circle 22；Preferably, fixed cylinder 19
Outside is provided with the multiple interference ribs being spaced, and the integral projection in outer surface of interference rib self-retaining cylinder 19 is formed, multiple interference ribs
Set around fixed cylinder 19, when rotating fixed cylinder 19, dentist is with hand grip in the interference rib of fixed cylinder 19, and increase is solid
Frictional force between safety barrel 19 and hand, is easy to user to rotate fixed cylinder 19.
In the present embodiment, the first gear is provided around multiple first fixture blocks 23 of spacing collar 15, multiple first to circle 17
Fixture block 23 surrounds the central axis circular array of the first fixed cover 16, and second gear is provided around the multiple of spacing collar 15 to enclosing 22
Second fixture block 24, multiple second fixture blocks 24 surround the central axis circular array of the second fixed cover 21, when chovr body 2 and second
After rotating shaft 6 is completed, multiple first fixture blocks 23 are staggered with multiple second fixture blocks 24, i.e., any first fixture block 23 is located at phase
Between two adjacent the second fixture blocks 24, any second fixture block 24 is located between two adjacent the first fixture blocks 23, utilizes the first card
The cooperation of the fixture block 24 of block 23 and second, it is ensured that connection is consolidated between chovr body 2 and first rotating shaft 5, prevents that phase occurs between the two
To rotating.
Fig. 1 to Fig. 5 is referred to, the 3rd rotating shaft 7 includes the second axle sleeve being installed in the accommodating cylinder 18 of chovr body 2
25th, the second axle body 26 in the second axle sleeve 25, the rolling bearing being installed between the second axle sleeve 25 and the second axle body 26 are installed with
27, in the present embodiment, rolling bearing 27 is set in the outside of the second axle body 26, and rolling bearing 27 is connected to the interior of the second axle body 26
On wall, the 4th gear ring 8 is set in the outside of the second axle body 26, and the second axle sleeve 25 is provided with resigning hole 28, and resigning hole 28 is through the
The side wall of two axle sleeves 25, the 3rd gear ring is protruded into the second axle sleeve 25 and engaged with the 4th gear ring 8, mounting hole via resigning hole 28
9 are arranged on the second axle body 26.
4th gear ring 8 includes ring gear portion 29 and the tooth set portion 31 that be connected with ring gear portion 29, it is preferable that ring gear portion 29 and
Tooth set portion 31 is integral type tectonic sieving, and ring gear portion 29 and tooth set portion 31 are set in the outside of the second axle body 26, rolling bearing
27 are set in the outside in tooth set portion 31 and are connected on the one end in ring gear portion 29, and the other end in ring gear portion 29 is provided with and the 3rd gear ring
Multiple teeth portion 32 of engagement, teeth portion 32 forms from the outer surface projection in ring gear portion 29, compared to teeth portion 32 from the one of ring gear portion 29
Distal process is stretched, and greatly enhances the bonding strength between teeth portion 32 and ring gear portion 29, extends the service life of the 4th gear ring 8.This
In embodiment, ring gear portion 29 is substantially coniform, along the direction away from tooth set portion 31, the size of the cross section external diameter in ring gear portion 29
It is gradually reduced.
The described one end of chovr body 2 away from adapter 4 is arranged with protecting crust 33, the present embodiment, and protecting crust 33 is screwed onto
On the accommodating one end of cylinder 18 away from adapter 4, protecting crust 33 is used to keep off to tooth set portion 31, the axle sleeve 25 of rolling bearing 27 and second,
Effectively prevent the 4th gear ring 8, the axle sleeve 25 of rolling bearing 27 and second from being come off from accommodating cylinder 18；Preferably, the one of the second axle body 26
Protecting crust 33 is run through at end, and mounting hole 9 is arranged on the second axle body 26 and stretched out on one end of protecting crust 33, is easy to the swivel head in the external world
Or implant screw is installed in mounting hole 9.
The mounting hole 9 runs through the second axle body 26, and the one end of mounting hole 9 away from protecting crust 33 is provided with not rounded portion, i.e. not rounded
The cross section in portion is not circular, and chovr body 2 is provided with the dew hole 34 connected with mounting hole 9, and chovr body 2 is run through in dew hole 34；Switching
The one end of body 2 away from protecting crust 33 is equiped with card 35, and card 35 is in tabular, and the middle part of card 35 is rotatably connected on chovr body
On 2, one end of card 35 stretches out chovr body 2, and the other end of card 35 is provided with the bayonet socket 36 being emerging in dew hole 34.
When actual use, extraneous swivel head is encased in mounting hole 9, using the cooperation in swivel head and not rounded portion, prevented
Only relatively rotated between extraneous swivel head and the second axle body 26；When before extraneous swivel head being installed, card is first pulled
Piece 35 stretches out one end of chovr body 2 so that the bayonet socket 36 of the other end of card 35 is removed out of dew hole 34, when extraneous swivel head
It is installed to behind precalculated position, rotates backward card 35, blocks swivel head using the bayonet socket 36 of card 35, prevent swivel head from installation
Come off in hole 9.
Fig. 1 to Fig. 6 is referred to, the one end of the first rotating shaft 5 away from the second rotating shaft 6 stretches out the handle 3 of holder 1,
One end that first rotating shaft 5 stretches out handle 3 is equiped with drive component, and drive component includes being installed in the drive in the outside of first rotating shaft 5
Motion block 37, the chuck 38 for being installed in drive block 37 and being set in the outside of first rotating shaft 5, it is rotatably connected on the outside of first rotating shaft 5
Grip block 39, the sleeve 41 in the outside of drive block 37 is set in, for example, sleeve 41 is screwed onto the outside of drive block 37, drive block
37 are located between the handle 3 of holder 1 and grip block 39, and chuck 38 is located at the one end of drive block 37 away from grip block 39, chuck
38 are provided with multiple pits 42, central axis in a ring battle array of multiple pits 42 around first rotating shaft 5 close to the side of grip block 39
Row, grip block 39 is provided with protruded stigma 43 close to one end of chuck 38, and the outside of protruded stigma 43 slidably connects position-limiting drum 44, protruded stigma 43
Outer sheath is provided with back-moving spring 45, and the two ends of back-moving spring 45 are connected on position-limiting drum 44 and on grip block 39 respectively, position-limiting drum
44 one end away from grip block 39 are used for through drive block 37 and protruded into pit 42；The outside of sleeve 41 or grip block 39
Outside is identified provided with multiple torques, and multiple torque identification rings are set around the central axis of sleeve 41 or around the center of grip block 39
Axis is set；In the present embodiment, multiple torque identification rings are around the central axis circular array of sleeve 41 or around grip block 39
Central axis circular array, multiple torques mark is from 5N-35N, and the quantity of torque mark is 7, respectively 5N, 10N,
15N, 20N, 25N, 30N, 35N, in use, the power output of mobile phone spanner can be accurately adjusted by rotating grip block 39
Square size.
When actual use, when needing swivel head to turn over larger angle, dentist pinches grip block 39 and rotated,
Because position-limiting drum 44 is set in the outside of the protruded stigma 43 of grip block 39, and position-limiting drum 44 runs through drive block 37, and grip block 39 is rotated
When can related position-limiting drum 44 so that drive first rotating shaft 5 rotate, first rotating shaft 5 rotate when can be driven via the second rotating shaft 6
3rd rotating shaft 7 is rotated, when the 3rd rotating shaft 7 is rotated can related spin head, and then realize the large rotation angle of swivel head.
When needing to be finely adjusted rotation head-turned angle, dentist pinches sleeve 41 and rotated, and sleeve 41 is rotated
When related drive block 37 rotate, related first rotating shaft 5 and chuck 38 are rotated together when drive block 37 is rotated, because position-limiting drum 44 is prominent
Stretch into the pit 42 of chuck 38, squeezed when chuck 38 is rotated and push away the compression reseting spring 45 of position-limiting drum 44 so that position-limiting drum 44 is from recessed
Removed in hole 42, until position-limiting drum 44 is protruded into another pit 42 of chuck 38, the pit 42 crossed using position-limiting drum 44
Quantity and then the fine setting for realizing rotational angle, in the process, different pits 42 are equivalent to the alignment marks of rotational angle,
The low-angle precise fine-adjustment of dentistry spanner so can be achieved, so as to lift the installation accuracy of dentistry spanner.
Preferably, the quantity of grip block 39 has multiple, and multiple grip blocks 39 surround the central axis of first rotating shaft 5 in a ring
Array, each grip block 39 is arranged with a position-limiting drum 44.In the present embodiment, sleeve 41 includes cylinder and is screwed on cylinder
Jacket casing, during actual installation, cylinder is set on drive block 37 through grip block 39, and jacket casing is spirally connected via chovr body 2 and holder 1
Onto cylinder；Interference groove is additionally provided with the outside of cylinder, interferes the outer surface of groove from cylinder is recessed to form, when dentist's turning set
During the cylinder of cylinder 41, increasing friction force facilitates rotational sleeve 41.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of dentistry spanner, including holder and the chovr body for being installed in holder one end, holder intersects with chovr body to be set
Put；It is characterized in that：It is rotatably connected in the holder in first rotating shaft, chovr body and is rotatably connected to the second rotating shaft and the 3rd
Rotating shaft, the central axis of first rotating shaft is overlapped with the central axis of holder, in the central axis and chovr body of the second rotating shaft
Heart axis is overlapped, and the central axis and the central axis of the second rotating shaft of the 3rd rotating shaft are arranged in a crossed manner, the central axis of first rotating shaft
Extended line and the central axis of the 3rd rotating shaft extended line it is arranged in a crossed manner, first rotating shaft via the second rotating shaft drive the 3rd rotating shaft
Rotate, the 3rd rotating shaft is provided with the mounting hole for manifesting chovr body.
2. dentistry spanner according to claim 1, it is characterised in that：The holder includes handle and one end from handle
The adapter of extension is bent, chovr body is removably attachable to adapter, and one end of first rotating shaft is equiped with the first gear ring, second
One end of rotating shaft is equiped with the second gear ring engaged with the first gear ring, and the other end of the second rotating shaft is equiped with the 3rd gear ring, the 3rd
Rotating shaft is equiped with the 4th gear ring engaged with the 3rd gear ring.
3. dentistry spanner according to claim 2, it is characterised in that：The adapter is removably attachable to handle, turns
Joint is provided with the base portion for being bolted in handle one end and the switching part that extension is bent from base portion, and the second rotating shaft is installed in switching part, the
The central axis of two rotating shafts is overlapped with the central axis of switching part, and chovr body is bolted in switching part.
4. dentistry spanner according to claim 3, it is characterised in that：Second rotating shaft includes the first axle sleeve and the company of rotation
The first axle body in the first axle sleeve is connected to, the second gear ring, the 3rd gear ring are installed in the two ends of the first axle body, the first axle sleeve position respectively
Between the second gear ring and the 3rd gear ring, the first axle sleeve is bolted in adapter.
5. dentistry spanner according to claim 4, it is characterised in that：The first axle is arranged with spacing collar, and spacing collar is certainly
The outer surface projection of first axle sleeve is formed, and the outer sheath of the first axle sleeve is provided with the first fixed cover for being connected to spacing collar one end, the
One fixed cover is bolted in adapter, and the first fixed cover, which is provided with, is used to abut first gear of the switching part away from base portion one end to circle.
6. dentistry spanner according to claim 5, it is characterised in that：The chovr body includes accommodating cylinder, is movably set in
The fixed cylinder of accommodating cylinder one end and the second fixed cover for being installed in accommodating cylinder one end, the first axle sleeve, the 3rd rotating shaft are respectively positioned on accommodating
In cylinder, the second fixed cover is sheathed on the first axle sleeve and is connected to the other end of spacing collar；Second fixed cover is accommodating provided with stretching out
The second gear of cylinder is to enclosing, and provided with being used to abut second gear to the limited step enclosed in fixed cylinder, second gear to circle is located at limiting stand
Rank and first gear are between enclosing.
7. dentistry spanner according to claim 6, it is characterised in that：The first gear to circle is provided around many of spacing collar
Individual first fixture block, second gear is provided around multiple second fixture blocks of spacing collar, multiple first fixture blocks and multiple second fixture blocks to circle
It is staggered.
8. dentistry spanner according to claim 2, it is characterised in that：3rd rotating shaft includes being installed in chovr body
Second axle sleeve, the second axle body being located in the second axle sleeve, the rolling bearing being installed between the second axle sleeve and the second axle body, the
Four gear rings are sheathed on the second axle body, and the second axle sleeve is provided with resigning hole, and the 3rd gear ring is engaged via resigning hole with the 4th gear ring, installs
Hole is arranged at the second axle body.
9. dentistry spanner according to claim 8, it is characterised in that：4th gear ring include ring gear portion and with ring gear portion
The tooth set portion of connection, ring gear portion and tooth set portion are sheathed on the second axle body, and rolling bearing is sheathed on tooth set portion and is connected to ring gear
The one end in portion, the other end in ring gear portion is provided with the multiple teeth portion engaged with the 3rd gear ring, outer surface projection of the teeth portion from ring gear portion
Form.
10. dentistry spanner according to claim 1, it is characterised in that：The one end of the first rotating shaft away from the second rotating shaft
Holder is stretched out, one end that first rotating shaft stretches out holder is equiped with drive component, and drive component includes being installed in first
The drive block of rotating shaft, the chuck for being installed in drive block and being sheathed on first rotating shaft, the grip block for being rotationally connected with first rotating shaft, set
Located at the sleeve of drive block, drive block is located between holder and grip block, and chuck is located at the one end of drive block away from grip block,
Chuck is provided with multiple pits close to the side of grip block, and multiple pits surround the central axis circular array of first rotating shaft, pinched
Hold block and be provided with protruded stigma close to one end of chuck, protruded stigma slidably connects position-limiting drum, and the outer sheath of protruded stigma is provided with back-moving spring, resetted
The two ends of spring abut position-limiting drum and grip block respectively, and the one end of position-limiting drum away from grip block is used for through drive block and protruded into
In pit；The outside of sleeve or the outside of grip block are identified provided with multiple torques, central shaft of multiple torque identification rings around sleeve
Line sets or set around the central axis of grip block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536372.XA CN107157595B (en) | 2017-07-04 | 2017-07-04 | Dental wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536372.XA CN107157595B (en) | 2017-07-04 | 2017-07-04 | Dental wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107157595A true CN107157595A (en) | 2017-09-15 |
| CN107157595B CN107157595B (en) | 2022-10-21 |
Family
ID=59822556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710536372.XA Active CN107157595B (en) | 2017-07-04 | 2017-07-04 | Dental wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107157595B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109875698A (en) * | 2019-03-14 | 2019-06-14 | 佛山市登拓医疗器械有限公司 | A kind of full-automatic crown remover |
| CN112386352A (en) * | 2020-10-30 | 2021-02-23 | 江西瑞圣特科技有限责任公司 | Tooth flushing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107157595B (en) | 2022-10-21 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523000 Room 309, building 1, No. 4, industrial South Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant after: Dongguan gosemay Medical Technology Co.,Ltd. Address before: 523000 room 307, block B, South District, Goldman Sachs Science Park, No. 5, Longxi Road, Zhouxi community, Nancheng street, Dongguan City, Guangdong Province Applicant before: DONGGUAN GOSMLE DENTAL MEDICAL EQUIPMENT CO.,LTD. |
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| GR01 | Patent grant |