CN216876645U

CN216876645U - Manual root canal preparation machine

Info

Publication number: CN216876645U
Application number: CN202220219601.1U
Authority: CN
Inventors: 龚启梅; 黄珞; 廖晨希
Original assignee: ORAL SUBSIDIARY SUN YAT-SEN UNIVERSITY HOSPITAL
Current assignee: ORAL SUBSIDIARY SUN YAT-SEN UNIVERSITY HOSPITAL
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-05
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a manual root canal preparation machine which comprises a handle, a machine head, a clamping mechanism, a driving assembly and a transmission assembly, wherein the machine head is connected to one end of the handle, the clamping mechanism is rotatably connected into the machine head and is used for clamping functional components, the driving assembly comprises a rotating wheel rotatably connected into the handle and a driving mechanism connected to the rotating wheel, the edge of the rotating wheel protrudes out of the outer surface of the handle, the transmission assembly is arranged in the handle and is connected to the driving mechanism and the clamping mechanism, and the rotating wheel can drive the clamping mechanism to rotate through the driving mechanism and the transmission assembly when rotating. The root canal preparation machine of this scheme can drive the functional unit through manual mode and exert corresponding effect, and rotational speed and rotation volume all can be according to actual conditions adjustment, and are more nimble, can supply the medical instrument storehouse of dental treatment.

Description

Manual root canal preparation machine

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a manual root canal preparation machine.

Background

The root canal preparation machine is a common instrument in dental treatment, and is mainly used for clamping root canal files and other tools to rotate so as to clear away infection substances in the root canal and finish the work of cutting and smoothing the canal wall.

At present, a dental root canal preparation machine used in the market drives a reduction gearbox to input torque through a motor to drive a transmission component on a machine head to rotate, namely, in the practical application process, the motion form of tools such as root canal files can only be controlled by the motor, however, the motion form driven by the motor is limited, and the dental root canal preparation machine is not suitable for use under some situations.

SUMMERY OF THE UTILITY MODEL

The technical purpose of the utility model is to provide a manual root canal preparation machine, which can drive tools on a machine head to rotate in a manual mode so as to supplement a medical tool library for dental treatment.

In order to solve the technical problems, the utility model provides a manual root canal preparation machine which comprises a handle, a machine head, a clamping mechanism, a driving assembly and a transmission assembly, wherein the machine head is connected to one end of the handle, the clamping mechanism is rotatably connected into the machine head and is used for clamping functional components, the driving assembly comprises a rotating wheel rotatably connected into the handle and a driving mechanism connected to the rotating wheel, the edge of the rotating wheel protrudes out of the outer surface of the handle, the transmission assembly is arranged in the handle and is connected to the driving mechanism and the clamping mechanism, and the rotating wheel can drive the clamping mechanism to rotate through the driving mechanism and the transmission assembly when rotating.

Further, the handle includes the stalk portion and connects in the neck of the one end of stalk portion, the aircraft nose is connected in keeping away from of neck the stalk end, the runner rotates to be connected in the stalk portion, actuating mechanism sets up in the junction of stalk portion with the neck and at least partially be located in the stalk portion, transmission assembly wears to locate in the neck.

Furthermore, a rotating shaft which is rotatably connected with the handle is arranged in the middle of the rotating wheel, and the driving mechanism comprises a first bevel gear which is coaxially arranged on the rotating shaft and a driving shaft of which one end is connected with the first bevel gear and the other end extends to the neck and is connected with the transmission assembly.

Further, the handle still including connect in the stalk portion with the adapter sleeve of neck, the adapter sleeve has the intercommunication the stalk portion with the through-hole of neck, the drive shaft includes first drive division and second drive division, the one end of first drive division rotate connect in the through-hole, the other end of first drive division stretches into the stalk portion and be provided with the second bevel gear of first bevel gear meshing, the one end of second drive division rotate connect in the through-hole and with first drive division links to each other, the other end of second drive division stretch into the neck and with transmission component links to each other.

Further, an annular sliding groove is coaxially formed in the peripheral side of the second driving portion, and the driving mechanism further comprises a plurality of balls which are embedded between the annular sliding groove and the inner wall of the through hole.

Further, the neck portion is bent and extended towards one side away from the handle end, and the diameter of the neck portion is gradually reduced.

Further, a third bevel gear is arranged at the end, far away from the handle, of the driving shaft, and the transmission assembly comprises a transmission shaft which is rotatably connected in the neck and one end of which is connected with the third bevel gear, and a transmission gear which is rotatably connected at the other end of the transmission shaft and is connected with the clamping mechanism.

Further, the transmission ratio of the transmission assembly ranges from 3:1 to 10: 1.

Furthermore, the transmission shaft is connected to the third bevel gear through a fourth bevel gear, a fifth bevel gear is arranged at the end, far away from the handle, of the transmission shaft, the transmission gear is rotatably connected to the neck, and the transmission gear is a bevel gear and is meshed with the fifth bevel gear.

Further, the aircraft nose is provided with the pilot hole, fixture rotate assemble in the pilot hole, fixture's one end have the centre gripping groove and just right to the opening part of pilot hole, one side of aircraft nose has the intercommunication the neck with the transmission hole of pilot hole, fixture's week side is provided with the meshing tooth, the meshing tooth with the position in transmission hole corresponds, drive gear with the meshing tooth meshing.

Compared with the prior art, the manual root canal preparation machine has the advantages that:

the functional unit can be root canal file, car needle etc, the functional unit is fixed by the fixture centre gripping, in the use, the handle can be used for gripping, in order to realize the position adjustment of root canal preparation machine, with the suitable back of position adjustment of root canal preparation machine, can rotate the runner with the finger from the outside, the runner passes through actuating mechanism and drive assembly and drives fixture rotation, thereby it rotates to drive the functional unit, in order to realize the function that corresponds, this scheme can drive the corresponding effect of functional unit performance through manual mode, rotational speed and rotation volume all can be adjusted according to actual conditions, it is more nimble, can supplement the medical instrument storehouse of dental treatment.

Drawings

Fig. 1 is a schematic view showing the overall structure of a manual root canal preparation machine according to an embodiment of the present invention;

fig. 2 is a schematic perspective exploded view of a manual root canal preparation machine according to an embodiment of the present invention.

In the drawings, each reference numeral denotes: 1. a handle; 2. a machine head; 3. a clamping mechanism; 4. a drive assembly; 11. a handle; 12. a neck portion; 13. connecting sleeves; 31. a clamping groove; 41. a rotating wheel; 42. a drive mechanism; 421. a drive shaft; 4211. a first driving section; 4212. a second driving section; 4213. and a ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example (b):

in this embodiment, with reference to fig. 1-2, the manual root canal preparation machine includes a handle 1, a handpiece 2, a clamping mechanism 3, a driving component 4 and a transmission component, the handpiece 2 is connected to one end of the handle 1, the clamping mechanism 3 is rotatably connected to the handpiece 2, the clamping mechanism 3 is used for clamping functional components, the driving component 4 includes a rotating wheel 41 rotatably connected to the inside of the handle 1 and a driving mechanism 42 connected to the rotating wheel 41, the edge of the rotating wheel 41 protrudes out of the outer surface of the handle 1, the transmission component is disposed in the handle 1 and connected to the driving mechanism 42 and the clamping mechanism 3, and the rotating wheel 41 can drive the clamping mechanism 3 to rotate through the driving mechanism 42 and the transmission component when rotating.

The functional unit can be root canal file, car needle etc, the functional unit is fixed by 3 centre grippings of fixture, in the use, handle 1 can be used for gripping, in order to realize the position adjustment of root canal preparation machine, with the suitable back of position adjustment of root canal preparation machine, can follow the outside and rotate runner 41 with the finger, runner 41 drives fixture 3 through actuating mechanism 42 and drive assembly and rotates, thereby it rotates to drive the functional unit, in order to realize the function that corresponds, this scheme can drive the corresponding effect of functional unit performance through manual mode, rotational speed and rotation volume all can be adjusted according to actual conditions, it is more nimble, can supplement the medical instrument storehouse of dental treatment.

In this embodiment, the handle 1 includes a handle portion 11 and a neck portion 12 connected to one end of the handle portion 11, the handpiece 2 is connected to the end of the neck portion 12 far from the handle portion 11, the rotating wheel 41 is rotatably connected to the handle portion 11, the driving mechanism 42 is disposed at the connection position of the handle portion 11 and the neck portion 12 and at least partially located in the handle portion 11, and the transmission assembly is disposed in the neck portion 12.

Specifically, stalk portion 11 has and accepts the chamber, the one end of stalk portion 11 is sealed, the other end opening of stalk portion 11, the stalk portion 11 end of keeping away from of neck 12 extends and the diameter diminishes towards a lateral buckling, neck 12 has logical chamber, neck 12 is connected in the open end of stalk portion 11, the logical chamber of neck 12 is linked together with the chamber of accepting of stalk portion 11 promptly, runner 41's middle part is provided with rotates the pivot of connecting with stalk portion 11, the both ends of pivot can rotate respectively and connect in the inner wall of stalk portion 11, both sides that runner 41 is relative can stand out outside stalk portion 11 respectively, can understand, stalk portion 11 has the abdication opening that supplies runner 41 to stretch out, therefore, the finger all can drive runner 41 from both sides and rotate, no matter be left hand or right hand all can with convenient operation.

The driving mechanism 42 includes a first bevel gear coaxially disposed on the rotating shaft, and a driving shaft 421 having one end connected to the first bevel gear and the other end extending to the neck 12 and connected to the transmission assembly. The first bevel gear and the rotating wheel 41 can be integrally formed, the first bevel gear and the rotating wheel 41 can be formed by injection molding of the same material, or the rotating wheel 41 can be made of a plastic material, the first bevel gear and the rotating shaft are made of a metal material and are formed in the rotating wheel 41 in an injection molding mode, the ratio of the outer diameter of the first bevel gear to the outer diameter of the rotating wheel 41 can be 0.2-0.5, and therefore the labor-saving effect can be achieved, and the axial direction of the driving shaft 421 is perpendicular to the axial direction of the rotating wheel 41, so that the driving direction is changed.

In this embodiment, in order to connect the handle 11 and the neck 12 and to achieve the rotational assembly of the driving shaft 421, the handle 1 further includes a connecting sleeve 13 connected to the handle 11 and the neck 12, the connecting sleeve 13 has a through hole communicating the handle 11 and the neck 12, the driving shaft 421 includes a first driving portion 4211 and a second driving portion 4212, one end of the first driving portion 4211 is rotatably connected in the through hole, the other end of the first driving portion 4211 extends into the handle 11 and is provided with a second bevel gear engaged with the first bevel gear, one end of the second driving portion 4212 is rotatably connected to the through hole and is connected with the first driving portion 4211, the mutually connected ends of the first driving portion 4211 and the second driving portion 4212 are provided with clamping protrusions spaced around the central axis, the clamping protrusions are mutually engaged with each other to achieve the transmission connection, and the other end of the second driving portion 4212 extends into the neck 12 and is connected with the transmission assembly. When the rotating wheel 41 rotates, the first bevel gear and the second bevel gear can drive the first driving portion 4211 to rotate, the first driving portion 4211 can drive the second driving portion 4212 to rotate, and the second driving portion 4212 further drives the transmission assembly to move.

The second driving portion 4212 has a ring-shaped sliding groove coaxially formed on the circumferential side thereof, and the driving mechanism 42 further includes a plurality of balls 4213 interposed between the ring-shaped sliding groove and the inner wall of the through hole. Specifically, the second driving portion 4212 is provided with two annular chutes at intervals in the axial direction thereof, and balls 4213 are embedded between the two annular chutes and the inner wall of the connecting sleeve 13, so that the friction force between the second driving portion 4212 and the connecting sleeve 13 is reduced, and the stability of the second driving portion 4212 during rotation can be ensured.

The end of the drive shaft 421 remote from the handle 11 is provided with a third bevel gear, and the drive assembly comprises a drive shaft (not shown) rotatably connected in the neck 12 and having one end connected to the third bevel gear, and a drive gear (not shown) rotatably connected to the other end of the drive shaft and connected to the gripping mechanism 3. The transmission ratio of the transmission assembly ranges from 3:1 to 10:1, and is preferably 6:1, specifically, the end of the second driving portion 4212, which is away from the first driving portion 4211, is provided with a third bevel gear, the axial direction of the transmission shaft and the axial direction of the second driving portion 4212 form an obtuse angle so as to be adapted to the neck portion 12 extending in a bending manner towards one side, one end of the transmission shaft may be provided with a fourth bevel gear, the transmission shaft is connected to the third bevel gear through the fourth bevel gear, the end of the transmission shaft, which is away from the handle portion 11, is provided with a fifth bevel gear, the transmission gear is rotatably connected to the neck portion 12, and the transmission gear is a bevel gear and is meshed with the fifth bevel gear. The driving shaft 421 can drive the driving shaft to rotate, the driving shaft can drive the transmission gear to rotate, and finally the transmission gear drives the clamping mechanism 3 to rotate, so that the effect of driving the functional component to rotate in a manual mode is achieved.

It should be understood that the above-mentioned arrangement of the transmission assembly is only an example, and in practical application, on the one hand, parameters of the third bevel gear, the fourth bevel gear, the fifth bevel gear and the like can be changed to adjust the transmission ratio adaptively, and on the other hand, a plurality of transmission rods and gears can be arranged to realize the transmission function from the driving shaft 421 to the clamping mechanism 3, for example, the transmission rods connected by the bevel gears can be used instead of the transmission rods.

Head 2 is provided with the pilot hole, and fixture 3 rotates to assemble in the pilot hole, and fixture 3's one end has centre gripping groove 31 and just to the opening part of pilot hole, and one side of head 2 has the transmission hole of intercommunication neck 12 and pilot hole, and fixture 3's week side is provided with the meshing tooth, and the position in meshing tooth and transmission hole corresponds, drive gear and meshing tooth meshing. The tip of functional unit such as root canal file can assemble in centre gripping groove 31 to realize its fixed connection, drive gear and the meshing tooth meshing of fixture 3, consequently, when drive gear was driven and is rotated, fixture 3 can be driven and rotate, in order to realize driving functional unit pivoted purpose.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a manual root canal preparation machine, its characterized in that includes handle, aircraft nose, fixture, drive assembly and drive assembly, the aircraft nose connect in the one end of handle, fixture rotate connect in the aircraft nose, fixture is used for the centre gripping function part, drive assembly including rotate connect in runner in the handle and connect in the drive mechanism of runner, the edge of runner salient in the surface of handle, drive assembly set up in the handle and connect in drive mechanism with fixture, the runner can pass through when rotating drive mechanism with drive assembly drives fixture rotates.

2. The manual root canal preparation machine of claim 1, wherein the handle comprises a shank portion and a neck portion connected to an end of the shank portion, the handpiece is connected to an end of the neck portion remote from the shank portion, the wheel is rotatably connected to the shank portion, the drive mechanism is disposed at a junction of the shank portion and the neck portion and at least partially within the shank portion, and the transmission assembly is disposed through the neck portion.

3. The manual root canal preparation machine according to claim 2, wherein a rotating shaft is provided at a middle portion of the rotating wheel to be rotatably connected to the shank, and the driving mechanism comprises a first bevel gear coaxially provided at the rotating shaft, and a driving shaft having one end connected to the first bevel gear and the other end extending toward the neck to be connected to the transmission assembly.

4. The manual root canal preparation machine according to claim 3, wherein the handle further comprises a connection sleeve connected to the handle and the neck, the connection sleeve having a through hole communicating the handle and the neck, the driving shaft comprises a first driving part and a second driving part, one end of the first driving part is rotatably connected to the through hole, the other end of the first driving part extends into the handle and is provided with a second bevel gear engaged with the first bevel gear, one end of the second driving part is rotatably connected to the through hole and is connected to the first driving part, and the other end of the second driving part extends into the neck and is connected to the transmission assembly.

5. The manual root canal preparation machine according to claim 4, wherein an annular slide groove is coaxially opened on a peripheral side of the second driving portion, and the driving mechanism further comprises a plurality of balls interposed between the annular slide groove and an inner wall of the through hole.

6. The manual root canal preparation machine according to claim 3, wherein the neck portion is bent and extended toward one side away from the shank end and is gradually reduced in diameter.

7. The manual root canal preparation machine according to any one of claims 3 to 6, wherein the end of the drive shaft remote from the shank portion is provided with a third bevel gear, and the transmission assembly comprises a transmission shaft rotatably connected in the neck portion and having one end connected to the third bevel gear, and a transmission gear rotatably connected to the other end of the transmission shaft and connected to the fixture.

8. The manual root canal preparation machine of claim 7, wherein the transmission ratio of the transmission assembly ranges from 3:1 to 10: 1.

9. The manual root canal preparation machine according to claim 7, wherein the transmission shaft is connected to the third bevel gear by a fourth bevel gear, a fifth bevel gear is provided at the end of the transmission shaft away from the shank, the transmission gear is rotatably connected to the neck, and the transmission gear is a bevel gear and is meshed with the fifth bevel gear.

10. The manual root canal preparation machine according to claim 9, wherein the head is provided with an assembly hole, the fixture is rotatably assembled in the assembly hole, one end of the fixture has a holding groove and is right opposite to an opening of the assembly hole, one side of the head has a transmission hole communicating the neck and the assembly hole, the peripheral side of the fixture is provided with engaging teeth, the engaging teeth correspond to positions of the transmission hole, and the transmission gear is engaged with the engaging teeth.