CN213552490U - A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance - Google Patents
A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance Download PDFInfo
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- CN213552490U CN213552490U CN202022028848.9U CN202022028848U CN213552490U CN 213552490 U CN213552490 U CN 213552490U CN 202022028848 U CN202022028848 U CN 202022028848U CN 213552490 U CN213552490 U CN 213552490U
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- root canal
- connecting piece
- groove
- shaft coupling
- canal therapy
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Abstract
The utility model discloses a root canal therapy appearance that is used for root canal therapy appearance's shaft coupling connecting piece and adopts this shaft coupling connecting piece, including the connecting piece main part, the connecting piece main part is provided with the spread groove, connect the via hole and a plurality of draw-in groove, and connect the via hole's inner wall is provided with first internal thread, and first internal thread is used for the motor spiro union with root canal therapy appearance, and the inner wall of spread groove is provided with the second internal thread, and connect the via hole be located the bottom of spread groove and communicate with the spread groove, the draw-in groove be used for with root canal therapy appearance's handle shell. The utility model discloses can simplify the assembling process of root canal therapy appearance handle, can improve production efficiency, convenient maintenance simultaneously.
Description
Technical Field
The utility model relates to an oral medical instrument technical field especially relates to a root canal therapy appearance that is used for root canal therapy appearance's shaft coupling connecting piece and adopts this shaft coupling connecting piece.
Background
The handle of current root canal therapy appearance mainly comprises handle shell, motor and shaft coupling connecting piece etc. and the shaft coupling connecting piece is fixed with the motor on the one hand, and on the other hand and the inner wall joint of handle shell lead to the production assembly of handle very loaded down with trivial details because connection structure between shaft coupling connecting piece and the motor is complicated, is unfavorable for improving production efficiency, also is inconvenient for maintenance and repair.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a root canal therapy instrument for root canal therapy instrument's shaft coupling connecting piece and adopt this shaft coupling connecting piece to simplify the assembling process of root canal therapy instrument handle, can improve production efficiency, convenient maintenance simultaneously.
The utility model discloses a shaft coupling connecting piece for root canal therapy appearance adopts following technical scheme to realize:
the utility model provides a shaft coupling connecting piece for root canal therapy appearance, includes the connecting piece main part, the connecting piece main part is provided with spread groove, connect the through hole and a plurality of draw-in groove, connect the through hole's inner wall is provided with first internal thread, first internal thread be used for with root canal therapy appearance's motor spiro union, the inner wall of spread groove is provided with the second internal thread, connect the through hole be located the bottom of spread groove and with the spread groove intercommunication, the draw-in groove be used for with root canal therapy appearance's handle shell joint to hinder the relative handle shell of motor and rotate.
Further, the diameter of the connection groove is larger than that of the connection through hole.
Further, the axis of the connecting through hole coincides with the axis of the connecting groove.
Further, the connection through hole is located at a lower portion of the connector body, and the connection groove is located at an upper portion of the connector body.
Furthermore, the clamping grooves are arranged around the connecting grooves at intervals.
The utility model discloses root canal therapy appearance adopts following technical scheme to realize:
an endodontic instrument includes the above coupling fitting.
Further, root canal therapy appearance includes handle and curved aircraft nose, the handle includes handle shell, quick connector, motor and the coupling connecting piece, be provided with on the organism of motor with the first external screw thread that first internal thread corresponds, the inner wall of handle shell be provided with a plurality of fixture blocks that the draw-in groove corresponds, quick connector be used for with the connection can be dismantled to curved aircraft nose, just quick connector be provided with the second external screw thread that the second internal thread corresponds.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a root canal therapy appearance that is used for root canal therapy appearance's shaft coupling connecting piece and adopts this shaft coupling connecting piece can simplify the assembling process of root canal therapy appearance handle, can improve production efficiency, convenient maintenance simultaneously.
Drawings
Fig. 1 is a schematic structural view of an endodontic instrument according to an embodiment of the present invention;
FIG. 2 is an exploded view of an endodontic instrument in accordance with an embodiment of the present invention;
fig. 3 is a sectional view of an endodontic instrument according to an embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a schematic structural view of a motor of an endodontic instrument according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a coupling joint of an endodontic instrument according to an embodiment of the present invention;
fig. 7 is a sectional view of a coupling joint of an endodontic instrument according to an embodiment of the present invention;
fig. 8 is a schematic structural view of the quick connector of the endodontic instrument of the present invention;
fig. 9 is a sectional view of the quick connector of the endodontic instrument of the present invention.
In the figure: 1. bending a machine head; 2. a handle; 3. a handle housing; 31. a clamping block; 4. a motor; 41. a body; 42. a rotating shaft; 43. a connecting cylinder; 5. a coupling connection; 51. connecting grooves; 52. a connecting through hole; 53. a card slot; 6. a quick connector; 7. a top sleeve; 8. a component assembly is provided.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Refer to fig. 1-9. The embodiment of the utility model provides a root canal therapy appearance, including curved aircraft nose 1 and handle 2. The handle 2 comprises a handle shell 3, a motor 4, a coupling connecting piece 5, a quick connector 6 and a top sleeve 7, wherein the motor 4 comprises a machine body 41 and a rotating shaft 42, and one end of the machine body 41 is fixed with a connecting cylinder 43 which surrounds the rotating shaft 42. Coupling connecting piece 5 includes the connecting piece main part, the connecting piece main part is provided with spread groove 51, connect through hole 52 and a plurality of draw-in groove 53, connect through hole 52's inner wall is provided with first internal thread, first internal thread is used for the motor 4 spiro union with root canal therapy appearance, connect through groove 51's inner wall is provided with the second internal thread, connect through hole 52 be located the bottom of spread groove 51 and communicate with spread groove 51, draw-in groove 53 be used for with root canal therapy appearance's handle shell 3 joint, in order to hinder motor 4 relative handle shell 3 rotation. Specifically, the connecting cylinder 43 is provided with a first external thread corresponding to the first internal thread; the quick connector 6 is detachably connected with the bending machine head 1, and second external threads corresponding to the second internal threads are arranged at the bottom end of the quick connector; the quick connector 6 is also provided with a third external thread, and the top sleeve 7 is positioned at the top of the handle shell 3 and is provided with a third internal thread corresponding to the third external thread; the inner wall of the handle shell 3 is provided with a plurality of clamping blocks 31 corresponding to the clamping grooves 53.
Specifically, the diameter of the connection groove 51 is larger than that of the connection through-hole 52.
Specifically, the axis of the connecting through-hole 52 coincides with the axis of the connecting groove 51.
Specifically, the coupling through-hole 52 is located at a lower portion of the coupling member body, and the coupling groove 51 is located at an upper portion of the coupling member body.
Specifically, the locking slots 53 are spaced around the connecting slot 51.
Specifically, the handle 2 further comprises a battery compartment and a circuit board, and the battery compartment, the circuit board and the motor are fixedly assembled together to form a component assembly 8.
The embodiment of the utility model provides a root canal therapy appearance that is used for root canal therapy appearance's shaft coupling connecting piece and adopts this shaft coupling connecting piece can simplify the assembling process of root canal therapy appearance handle, can improve production efficiency, convenient maintenance simultaneously.
Particularly, the bending head can be quickly disassembled and assembled with the handle through the quick connector.
The assembly process of the handle is as follows: the organism spiro union of shaft coupling connecting piece and motor earlier, then insert the components and parts assembly body in the handle shell to make the draw-in groove of shaft coupling connecting piece and the fixture block joint of handle shell, then with quick-operation joint ware and shaft coupling connecting piece spiro union, can accomplish the assembly of handle with top sleeve and quick-operation joint ware spiro union at last.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. A shaft coupling connecting piece for endodontic instrument, characterized in that: including the connecting piece main part, the connecting piece main part is provided with spread groove, connect through hole and a plurality of draw-in groove, connect through hole's inner wall is provided with first internal thread, first internal thread be used for with root canal therapy appearance's motor spiro union, the inner wall of spread groove is provided with the second internal thread, connect through hole is located the bottom of spread groove and with the spread groove intercommunication, the draw-in groove be used for with root canal therapy appearance's handle shell joint to hinder the relative handle shell rotation of motor.
2. A shaft coupling connector as defined in claim 1, wherein: the diameter of the connecting groove is larger than that of the connecting through hole.
3. A shaft coupling connector as defined in claim 1, wherein: the axis of the connecting through hole is coincided with the axis of the connecting groove.
4. A shaft coupling connector as defined in claim 1, wherein: the connecting through hole is located at the lower part of the connecting piece main body, and the connecting groove is located at the upper part of the connecting piece main body.
5. A shaft coupling according to any one of claims 1 to 4, wherein: the clamping grooves are arranged around the connecting grooves at intervals.
6. An endodontic instrument, comprising: comprising a shaft coupling according to any one of claims 1-5.
7. The endodontic instrument of claim 6, wherein: root canal therapy appearance includes handle and curved aircraft nose, the handle includes handle shell, quick connector, motor and the coupling connecting piece, be provided with on the organism of motor with the first external screw thread that first internal thread corresponds, the inner wall of handle shell be provided with a plurality of fixture blocks that the draw-in groove corresponds, quick connector be used for with the connection can be dismantled to curved aircraft nose, just quick connector be provided with the second external screw thread that the second internal thread corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028848.9U CN213552490U (en) | 2020-09-16 | 2020-09-16 | A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028848.9U CN213552490U (en) | 2020-09-16 | 2020-09-16 | A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213552490U true CN213552490U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022028848.9U Active CN213552490U (en) | 2020-09-16 | 2020-09-16 | A shaft coupling connecting piece and root canal therapy appearance for root canal therapy appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213552490U (en) |
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2020
- 2020-09-16 CN CN202022028848.9U patent/CN213552490U/en active Active
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