CN220344521U - Direct-drive stroke-adjustable short pen - Google Patents
Direct-drive stroke-adjustable short pen Download PDFInfo
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- CN220344521U CN220344521U CN202321643917.4U CN202321643917U CN220344521U CN 220344521 U CN220344521 U CN 220344521U CN 202321643917 U CN202321643917 U CN 202321643917U CN 220344521 U CN220344521 U CN 220344521U
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 206010033372 Pain and discomfort Diseases 0.000 description 2
- 210000004262 dental pulp cavity Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a direct-drive stroke-adjustable short pen, which comprises a motor seat, wherein a connecting pipe is sleeved on the surface of the motor seat in a threaded manner, the bottom of the connecting pipe is fixedly connected with a handle, and a joint is fixedly arranged at the top of the motor seat: an inner cavity of the motor seat is fixedly connected with an adjustable driving mechanism; the adjustable driving mechanism comprises a mounting plate, one side of the mounting plate is fixedly connected with a motor, an output shaft of the motor is fixedly sleeved with a rotating piece, and the inner wall of the rotating piece is provided with a connecting piece. The utility model has the advantages of adjustable stroke, solved current short pen of direct drive at the in-process of using, be inconvenient for changing the removal stroke of nib sword, influence the short pen and treat the tooth of different forms, can not satisfy the demand in the operation, reduced the problem of operation precision.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a direct-drive stroke-adjustable short pen.
Background
The direct-drive stroke-adjustable short pen is a dental surgical instrument and is also called a micro-vibration hand-held drill. And are commonly used in endodontic treatment to remove tissue from the interior of a tooth or to prepare a surface for receiving restorative material. The cutter head of the direct-drive stroke-adjustable short pen can slightly shake, but not rotate at a high speed, so that the use is safer. The device has good operability, efficiency and accuracy, and has been widely used in various types of dental surgery. In endodontic treatment, the morphology inside the teeth varies, some sites may be difficult to reach, and some require deeper cleaning and finishing.
In the using process of the existing direct-drive short pen, the moving stroke of the pen point knife is inconvenient to change, the short pen is affected to treat teeth in different forms, the requirements in operation cannot be met, and the accuracy of operation is reduced.
Disclosure of Invention
The utility model aims to provide a direct-drive stroke-adjustable short pen, which has the advantage of adjustable stroke, and solves the problems that the moving stroke of a pen point knife is inconvenient to change, the short pen is affected to treat teeth in different forms, the requirements in operation cannot be met, and the operation accuracy is reduced in the use process of the conventional direct-drive short pen.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the direct-drive stroke-adjustable short pen comprises a motor seat, wherein a connecting pipe is sleeved on the surface of the motor seat in a threaded manner, the bottom of the connecting pipe is fixedly connected with a handle, the top of the motor seat is fixedly provided with a connector, and an inner cavity of the motor seat is fixedly connected with an adjustable driving mechanism;
the adjustable driving mechanism comprises a mounting plate, one side of the mounting plate is fixedly connected with a motor, an output shaft of the motor is fixedly sleeved with a rotating piece, the inner wall of the rotating piece is provided with a connecting piece, the surface of the connecting piece is movably connected with a transmission piece, the bottom of the transmission piece is fixedly connected with a connecting rod, and the bottom of the connecting rod is fixedly connected with a pen point seat.
As the direct-drive adjustable stroke short pen, the utility model is preferable, the bottom of the motor seat is provided with the mounting table, and the mounting plate is fixedly connected to the mounting table through bolts.
As the direct-drive adjustable stroke short pen, the rotating piece is preferably fixedly connected with the connecting piece through a bolt.
As the direct-drive adjustable stroke short pen is preferable, the transmission part is provided with the mounting hole matched with the connecting part for use.
As the direct-drive stroke-adjustable short pen is preferable, a limiting cavity is formed in the bottom of the inner cavity of the connecting pipe, and the pen point is positioned in the limiting cavity and is in sliding connection with the inner wall of the limiting cavity.
As a preferable direct-drive adjustable stroke short pen, the output end of the connector is electrically connected with the input end of the motor.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the stroke of the nib knife can be reasonably regulated in root canal treatment, the generation of vibration and heat is reduced, the damage to surrounding tissues in the operation process is reduced, meanwhile, a patient can feel less pain and discomfort in the operation process, the adjustable driving mechanism is arranged in the motor seat, the connector supplies power to the adjustable driving mechanism, the output shaft of the motor drives the rotating member and the connecting member to rotate, the driving member is driven to reciprocate up and down at a high speed in the rotating process of the connecting member, so that the connecting rod and the nib seat are driven to move, the nib knife is arranged in the nib seat, the nib knife can vibrate at a high speed to perform the operation, the motor seat is disassembled to take out the adjustable driving mechanism when the stroke is required to be regulated, the position of the connecting member in the cavity of the rotating member is changed, and the connecting member is fixed through the bolt after the change is finished, so that the position (namely the eccentric distance) of the central point of the driving member is equivalent to the rotating member is changed, and the purpose of changing the stroke is achieved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front cross-sectional isometric view of the present utility model;
FIG. 3 is a left side isometric view of the adjustable drive mechanism of the present utility model;
fig. 4 is a left side exploded view of the adjustable drive mechanism of the present utility model.
In the figure: 1. a motor base; 2. a connecting pipe; 3. a handle; 4. an adjustable drive mechanism; 401. a mounting plate; 402. a motor; 403. a rotating member; 404. a transmission member; 405. a connecting piece; 406. a pen head seat; 407. a connecting rod; 5. and (3) a joint.
Detailed Description
Referring to fig. 1-4, a direct-drive adjustable stroke short pen comprises a motor seat 1, a connecting pipe 2 is sleeved on the surface thread of the motor seat 1, a handle 3 is fixedly connected to the bottom of the connecting pipe 2, an adjustable driving mechanism 4 is fixedly connected to the inner cavity of the motor seat 1, the stroke of a pen point knife can be reasonably adjusted in root canal treatment by arranging the adjustable driving mechanism 4, vibration and heat are reduced, damage to surrounding tissues in the operation process is reduced, and meanwhile, a patient can feel less pain and discomfort in the operation process.
The adjustable driving mechanism 4 comprises a mounting plate 401, the adjustable driving mechanism 4 is mounted in the motor seat 1, a mounting table is arranged at the bottom of the motor seat 1, the mounting plate 401 is fixedly connected to the mounting table through bolts, a motor 402 is fixedly connected to one side of the mounting plate 401, a rotating member 403 is fixedly sleeved on an output shaft of the motor 402, a connecting member 405 is arranged on the inner wall of the rotating member 403, a transmission member 404 is movably connected to the surface of the connecting member 405, a connecting rod 407 is fixedly connected to the bottom of the transmission member 404, a pen point seat 406 is fixedly connected to the bottom of the connecting rod 407, an output shaft of the motor 402 drives the rotating member 403 and the connecting member 405 to rotate, the transmission member 404 is driven to reciprocate up and down at a high speed in the rotating process of the connecting member 405, so that the connecting rod 407 and the pen point seat 406 are driven to move, and the pen point knife is mounted in the pen point seat 406, so that the pen point knife can vibrate at a high speed to perform an operation.
The rotating piece 403 is fixedly connected with the connecting piece 405 through a bolt, when the stroke needs to be adjusted, the motor seat 1 is disassembled to take out the adjustable driving mechanism 4, the position of the connecting piece 405 in the inner cavity of the rotating piece 403 is changed, and the connecting piece 405 is fixed through the bolt after the change is finished, so that the position, namely the eccentric distance, of the central point of the transmission piece 404 corresponding to the rotating piece 403 is changed, and the purpose of changing the stroke is achieved.
The transmission member 404 is provided with a mounting hole matched with the connecting member 405, and the transmission member 404 can be conveniently sleeved on the connecting member 405 by providing the mounting hole.
The bottom of connecting pipe 2 inner chamber has seted up spacing chamber, and nib seat 406 is located spacing intracavity and rather than inner wall sliding connection, when driving medium 404 and connecting rod 407 remove, can drive nib seat 406 and slide in spacing intracavity, and spacing chamber is spacing nib seat 406 to spacing driving medium 404 and connecting rod 407 prevents that driving medium 404 from breaking away from connecting piece 405.
The top of the motor seat 1 is fixedly provided with a joint 5, the output end of the joint 5 is electrically connected with the input end of the motor 402, the joint 5 is an RCA joint, and the joint 5 supplies power to the adjustable driving mechanism 4.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a directly drive adjustable stroke short pen, includes motor seat (1), the surface thread bush of motor seat (1) is equipped with connecting pipe (2), the bottom fixedly connected with handle (3) of connecting pipe (2), the top fixed mounting of motor seat (1) has joint (5), its characterized in that: an inner cavity of the motor seat (1) is fixedly connected with an adjustable driving mechanism (4);
the adjustable driving mechanism (4) comprises a mounting plate (401), one side of the mounting plate (401) is fixedly connected with a motor (402), an output shaft of the motor (402) is fixedly sleeved with a rotating piece (403), the inner wall of the rotating piece (403) is provided with a connecting piece (405), the surface of the connecting piece (405) is movably connected with a transmission piece (404), the bottom of the transmission piece (404) is fixedly connected with a connecting rod (407), and the bottom of the connecting rod (407) is fixedly connected with a pen point seat (406).
2. The direct-drive adjustable stroke pen as claimed in claim 1, wherein: the bottom of the motor seat (1) is provided with an installation table, and the installation plate (401) is fixedly connected to the installation table through bolts.
3. The direct-drive adjustable stroke pen as claimed in claim 1, wherein: the rotating piece (403) is fixedly connected with the connecting piece (405) through a bolt.
4. The direct-drive adjustable stroke pen as claimed in claim 1, wherein: the transmission piece (404) is provided with a mounting hole matched with the connecting piece (405).
5. The direct-drive adjustable stroke pen as claimed in claim 1, wherein: the bottom of the inner cavity of the connecting pipe (2) is provided with a limiting cavity, and the pen point seat (406) is positioned in the limiting cavity and is in sliding connection with the inner wall of the limiting cavity.
6. The direct-drive adjustable stroke pen as claimed in claim 1, wherein: the output end of the joint (5) is electrically connected with the input end of the motor (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643917.4U CN220344521U (en) | 2023-06-27 | 2023-06-27 | Direct-drive stroke-adjustable short pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321643917.4U CN220344521U (en) | 2023-06-27 | 2023-06-27 | Direct-drive stroke-adjustable short pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220344521U true CN220344521U (en) | 2024-01-16 |
Family
ID=89485390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321643917.4U Active CN220344521U (en) | 2023-06-27 | 2023-06-27 | Direct-drive stroke-adjustable short pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220344521U (en) |
-
2023
- 2023-06-27 CN CN202321643917.4U patent/CN220344521U/en active Active
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