CN211094847U - Root canal therapy device - Google Patents
Root canal therapy device Download PDFInfo
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- CN211094847U CN211094847U CN201921795467.4U CN201921795467U CN211094847U CN 211094847 U CN211094847 U CN 211094847U CN 201921795467 U CN201921795467 U CN 201921795467U CN 211094847 U CN211094847 U CN 211094847U
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- middle pipe
- pipe
- bottom sleeve
- motor
- hole
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Abstract
The utility model belongs to the technical field of dental instruments, in particular to a root canal therapy device, which comprises a middle pipe and a machine head, wherein the conical part of the machine head is provided with a jack, a driven shaft which can drive a drill bit to rotate is arranged in the machine head, the driven shaft extends into the jack, the middle pipe is connected with the machine head, and the root canal therapy device also comprises a bottom sleeve; the bottom sleeve is of a tubular structure with an open upper end and a sealed lower end, a limiting ring is detachably mounted at the inner bottom of the bottom sleeve, a spring is arranged above the limiting ring in the bottom sleeve, and an internal thread is arranged at the upper section of the inner wall of the bottom sleeve; the middle pipe is of a tubular structure with a sealed upper end and an open lower end, the lower end of the outer wall of the middle pipe is provided with external threads, and the bottom sleeve is in threaded connection with the middle pipe; the top of the middle pipe is provided with a through hole, the top of the middle pipe is integrally formed with an insertion pipe at the periphery of the through hole, the inner top of the middle pipe is provided with a motor, a rotating shaft at the top of the motor penetrates through the through hole and extends into the insertion pipe, the bottom of the motor is provided with a motor switch, and the motor switch is connected with a power inlet connector; the middle tube is detachably provided with a battery below the motor.
Description
Technical Field
The utility model belongs to the technical field of dental instrument, concretely relates to root canal therapy device.
Background
The root canal therapeutic instrument, also called as root canal motor, is a precise electronic instrument for replacing manual expansion of root canal and preparing more standard root canal preparation treatment, which greatly reduces the working strength of the doctor, saves the working time, improves the working efficiency and has wide clinical application.
Most of the existing root canal therapy instruments are designed to be in a normally open state of a battery, and in the process of root canal therapy, a drill bit is in a normally rotating state, so that electricity is consumed, and the use cost is high; moreover, after each use, the battery needs to be disassembled, which is very troublesome to operate.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a root canal therapy device, which not only facilitates the disassembly and charging operations of a battery; moreover, the appearance is attractive, the battery powered-on drill bit rotates after being pressed, the battery powered-off drill bit stops rotating after being loosened, the operation is convenient, the electricity is saved, and the use cost is reduced to a certain extent.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a root canal therapy device comprises a middle pipe and a machine head, wherein a conical part of the machine head is provided with a jack, a driven shaft capable of driving a drill bit to rotate is arranged in the machine head, the driven shaft extends into the jack, the middle pipe is connected with the machine head, and the root canal therapy device also comprises a bottom sleeve;
the bottom sleeve is of a tubular structure with an open upper end and a sealed lower end, a limiting ring is detachably mounted at the inner bottom of the bottom sleeve, a spring is arranged above the limiting ring in the bottom sleeve, and internal threads are arranged at the upper section of the inner wall of the bottom sleeve;
the middle pipe is of a tubular structure with a sealed upper end and an open lower end, the lower end of the outer wall of the middle pipe is provided with external threads, and the bottom sleeve is in threaded connection with the middle pipe;
the top of the middle pipe is provided with a through hole, the top of the middle pipe is integrally formed with an insertion pipe at the periphery of the through hole, the inner top of the middle pipe is provided with a motor, a rotating shaft at the top of the motor penetrates through the through hole to extend into the insertion pipe, the bottom of the motor is provided with a motor switch, and the motor switch is connected with an electric inlet connector;
a battery is detachably mounted below the motor in the middle pipe, a metal cap at the top of the battery is connected with an electric outlet joint, a pressable contact is mounted on the upper pipe body of the middle pipe, the outer end of the contact is an insulating part, the inner end of the contact is a conductive part, the ends of the electric inlet joint and the electric outlet joint are close to the conductive part of the contact, and the electric inlet joint and the electric outlet joint can be communicated with the conductive part of the contact;
the conical part of the machine head can be sleeved with the insertion tube of the middle tube through the insertion hole, and the driven shaft can be connected with the rotating shaft in a clamping mode.
Furthermore, the outer walls of the bottom sleeve and the middle pipe are provided with anti-skid grains.
Compared with the prior art, the utility model not only facilitates the disassembly and charging operation of the battery; moreover, the appearance is attractive, the battery powered-on drill bit rotates after being pressed, the battery powered-off drill bit stops rotating after being loosened, the operation is convenient, the electricity is saved, and the use cost is reduced to a certain extent.
Drawings
Fig. 1 is a first perspective view (in an installed state) of an embodiment of a root canal treatment device according to the present invention;
fig. 2 is a first partial sectional view of an embodiment of the endodontic device of the present invention (in an installed state);
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic perspective view (disassembled state) of an embodiment of a root canal treatment device according to the present invention;
fig. 5 is a third schematic perspective view (in a disassembled state) of an embodiment of the root canal treatment device of the present invention;
fig. 6 is a schematic partial sectional view showing a root canal treatment device according to an embodiment of the present invention (in a disassembled state);
fig. 7 is an enlarged schematic view of the structure at B in fig. 6.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-7, the root canal therapy device of the present invention comprises a middle tube 2 and a head 3, wherein the conical portion of the head 3 is provided with a jack, a driven shaft 30 capable of driving a drill bit to rotate is arranged in the head 3, the driven shaft 30 extends into the jack, the middle tube 2 is connected with the head 3, and the root canal therapy device further comprises a bottom cover 1;
the bottom sleeve 1 is of a tubular structure with an open upper end and a sealed lower end, a limiting ring 10 is detachably mounted at the inner bottom of the bottom sleeve 1, a spring 11 is arranged above the limiting ring 10 in the bottom sleeve 1, and an internal thread is arranged at the upper section of the inner wall of the bottom sleeve 1;
the middle pipe 2 is of a tubular structure with a sealed upper end and an open lower end, the lower end of the outer wall of the middle pipe 2 is provided with external threads, and the bottom sleeve 1 is in threaded connection with the middle pipe 2;
the top of the middle pipe 2 is provided with a through hole, the top of the middle pipe 2 is integrally formed with an insertion pipe 22 at the periphery of the through hole, the inner top of the middle pipe 2 is provided with a motor 21, a top rotating shaft 211 of the motor 21 penetrates through the through hole to extend into the insertion pipe 22, the bottom of the motor 21 is provided with a motor switch, and the motor switch is connected with an electric inlet connector 210;
a battery 20 is detachably mounted below the motor 21 in the middle pipe 2, a metal cap at the top of the battery 20 is connected with an electric outlet connector 200, a pressable contact 201 is mounted on the upper pipe body of the middle pipe 2, the outer end of the contact 201 is an insulating part, the inner end of the contact 201 is a conductive part, the ends of the electric inlet connector 210 and the electric outlet connector 200 are close to the conductive part of the contact 201, and the electric inlet connector 210 and the electric outlet connector 200 can be communicated with the conductive part of the contact 201;
the conical part of the nose 3 can be sleeved with the inserting tube 22 of the middle tube 2 through the inserting hole, and the driven shaft 30 can be connected with the rotating shaft 211 in a clamping mode.
In this embodiment, during installation, the battery 20 is installed in the middle tube 2, then the bottom sleeve 1 is in threaded connection with the middle tube 2, finally, the conical part of the nose 3 is sleeved with the insertion tube 22 of the middle tube 2 through the insertion hole, and the driven shaft 30 is in clamping connection with the rotating shaft 211; when the drill bit is used, the contact 201 is pressed, the power inlet joint 210 and the power outlet joint 200 are communicated with the conductive part of the contact 201, the rotating shaft 211 drives the driven shaft 30 to rotate, and the driven shaft 30 drives the drill bit to rotate; in the process of the endodontic treatment, the contact 201 is loosened as required, and the conductive parts of the electric inlet joint 210 and the electric outlet joint 200 and the contact 201 are disconnected, so that the drill can stop rotating.
As the preferred scheme, the outer walls of the bottom sleeve 1 and the middle pipe 2 are both provided with anti-skid grains. The structure design is convenient to mount and dismount, and the use is very convenient.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (2)
1. The utility model provides a root canal therapy device, includes well pipe (2) and aircraft nose (3), the jack has been seted up to the toper portion of aircraft nose (3), be equipped with in aircraft nose (3) and drive drill bit pivoted driven shaft (30), driven shaft (30) stretch into in the jack, well pipe (2) and aircraft nose (3) connect its characterized in that: also comprises a bottom sleeve (1);
the bottom sleeve (1) is of a tubular structure with an open upper end and a sealed lower end, a limiting ring (10) is detachably mounted at the inner bottom of the bottom sleeve (1), a spring (11) is arranged above the limiting ring (10) in the bottom sleeve (1), and an internal thread is arranged at the upper section of the inner wall of the bottom sleeve (1);
the middle pipe (2) is of a tubular structure with a sealed upper end and an open lower end, the lower end of the outer wall of the middle pipe (2) is provided with external threads, and the bottom sleeve (1) is in threaded connection with the middle pipe (2);
the top of the middle pipe (2) is provided with a through hole, an insertion pipe (22) is integrally formed at the top of the middle pipe (2) on the periphery of the through hole, a motor (21) is mounted at the inner top of the middle pipe (2), a top rotating shaft (211) of the motor (21) penetrates through the through hole and extends into the insertion pipe (22), a motor switch is arranged at the bottom of the motor (21), and the motor switch is connected with an electric inlet connector (210);
a battery (20) is detachably mounted below the motor (21) in the middle pipe (2), a metal cap at the top of the battery (20) is connected with an electric outlet joint (200), a pressable contact (201) is mounted on the upper pipe body of the middle pipe (2), the outer end of the contact (201) is an insulating part, the inner end of the contact (201) is a conductive part, the ends of the electric inlet joint (210) and the electric outlet joint (200) are close to the conductive part of the contact (201), and both the electric inlet joint (210) and the electric outlet joint (200) can be communicated with the conductive part of the contact (201);
the conical part of the handpiece (3) can be sleeved with the insertion tube (22) of the middle tube (2) through the insertion hole, and the driven shaft (30) can be connected with the rotating shaft (211) in a clamping mode.
2. The endodontic device according to claim 1, wherein: the outer walls of the bottom sleeve (1) and the middle pipe (2) are both provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921795467.4U CN211094847U (en) | 2019-10-24 | 2019-10-24 | Root canal therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921795467.4U CN211094847U (en) | 2019-10-24 | 2019-10-24 | Root canal therapy device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211094847U true CN211094847U (en) | 2020-07-28 |
Family
ID=71711585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921795467.4U Active CN211094847U (en) | 2019-10-24 | 2019-10-24 | Root canal therapy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211094847U (en) |
-
2019
- 2019-10-24 CN CN201921795467.4U patent/CN211094847U/en active Active
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