CN220459447U - Insulating type motor head assembly for root canal measurement - Google Patents
Insulating type motor head assembly for root canal measurement Download PDFInfo
- Publication number
- CN220459447U CN220459447U CN202320829427.7U CN202320829427U CN220459447U CN 220459447 U CN220459447 U CN 220459447U CN 202320829427 U CN202320829427 U CN 202320829427U CN 220459447 U CN220459447 U CN 220459447U
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- China
- Prior art keywords
- transmission shaft
- root canal
- machine head
- hand
- head
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- 210000004262 dental pulp cavity Anatomy 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 210000003128 head Anatomy 0.000 description 17
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000007147 dental pulp necrosis Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Abstract
The utility model discloses an insulating type motor head assembly for root canal measurement, which relates to the field of oral medical equipment and comprises a handheld part and a head, wherein a first transmission shaft for transmitting torque is arranged in the handheld part, a mounting hole for mounting a root canal file is formed in the head, and a second transmission shaft is arranged in the head; the shell of the hand-held part is provided with a threaded hole, the corresponding position of the machine head is also provided with a threaded hole, and the two are connected through a screw; when the hand-held part and the machine head are fixed by the screw, the first transmission shaft and the second transmission shaft are detachably connected in a transmission mode through the transmission mechanism. The machine head is connected with the hand-held part through the screw, so that the quick disassembly of the machine head is realized, and the machine head is convenient to replace; meanwhile, the first transmission shaft and the second transmission shaft are detachably connected through the transmission mechanism, so that the connection of the two transmission shafts can be rapidly completed after the machine head is replaced, and the normal use of products is ensured.
Description
Technical Field
The utility model relates to the field of oral medical equipment, in particular to an insulating motor head assembly for root canal measurement.
Background
Endodontic surgery, also known as endodontic treatment, is a procedure in dentistry to treat pulp necrosis and root infections. The procedure retains the teeth and is thus complementary to tooth extraction. The teeth need to be perforated before root canal treatment is done and the length of the root canal of the teeth is accurately measured through the holes so that filling can be done perfectly, which is typically done by a root canal measuring instrument.
The front end of the root measuring instrument host is connected with a motor head assembly, and the motor head assembly comprises a hand-held part and a head, and the hand-held part is internally provided with a transmission shaft for driving the head to rotate, so that the general hand-held part and the head are integrally arranged. The utility model of Chinese patent with publication number CN217793383U discloses a root canal file length control structure, which is characterized in that a fixed seat, a limiting piece and a fastener are arranged at the head of a root canal motor, and the limiting piece is fixed by the fastener when the sliding limiting piece is adjusted to be abutted against a buoy gasket on the root canal file, so that the working length of the root canal file can be controlled by the limiting piece in the root canal operation process.
However, the hand-held part and the handpiece are still integrally arranged, and the handpiece is used for installing and detaching the root canal file, so that once the handpiece is problematic and the stable installation of the root canal file is affected, the whole equipment cannot be used, and the replacement cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an insulated motor head assembly for root canal measurement, wherein a head and a hand-held part of the insulated motor head assembly can be quickly disassembled and assembled, and the transmission of a motor to the head is not influenced, and the specific technical scheme is as follows:
an insulating motor head assembly for root canal measurement comprises a hand-held part and a head, wherein a first transmission shaft for transmitting torque is arranged in the hand-held part, a mounting hole for mounting a root canal file is formed in the head, and a second transmission shaft is rotatably arranged in the head;
the shell of the hand-held part is provided with a threaded hole, the corresponding position of the machine head is also provided with a threaded hole, and the two are connected through a screw; when the hand-held part and the machine head are fixed by the screw, the first transmission shaft and the second transmission shaft are detachably connected in a transmission mode through the transmission mechanism.
Further: the transmission mechanism comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are respectively arranged at the end parts adjacent to the first transmission shaft and the second transmission shaft, at least two insertion pins parallel to the first transmission shaft are arranged on the first connecting part, insertion holes corresponding to the insertion pins are formed in the second connecting part, and the insertion pins are matched with the insertion holes so that the first transmission shaft and the second transmission shaft integrally rotate.
Further: the transmission mechanism is a magnetic block which is respectively arranged at two adjacent ends of the first transmission shaft and the second transmission shaft.
Further: the machine head is made of plastic materials.
Further, an installation sleeve for installing the root canal file is arranged in the installation hole, and the installation sleeve is in transmission connection with the second transmission shaft and rotates in the installation hole.
Further: the machine head is provided with a root measuring clamp made of metal materials and used for replacing the root measuring line to be electrically connected with a loop in the hand-held part.
Further: the hand-held part is characterized in that a limiting groove is formed in the inner side wall of the hand-held part along the axial direction, a protruding limiting column is arranged on the outer side wall of the machine head along the axial direction, and the limiting column can be inserted into the limiting groove.
Further: the material of the hand-held part is the same as that of the machine head.
Compared with the prior art, the utility model has the beneficial effects that: the machine head is connected with the hand-held part through the screw, so that the machine head is quickly disassembled and is convenient to replace; meanwhile, the first transmission shaft and the second transmission shaft are detachably connected through the transmission mechanism, so that the connection of the two transmission shafts can be rapidly completed after the machine head is replaced, and the normal use of products is ensured.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic diagram showing the connection relationship between the first transmission shaft and the second transmission shaft in a preferred embodiment;
fig. 3 is a left side view of the second drive shaft of fig. 2.
In the figure, 1, a hand-held part; 11. a first drive shaft; 2. a machine head; 21. a mounting hole; 22. a second drive shaft; 23. root measuring clamp; 3. a screw; 4. a first connection portion; 41. inserting a pin; 5. A second connecting portion; 51. an insertion hole; 6. A button.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, an insulated motor-head assembly for root canal measurement includes a handpiece 1 and a head 2. The left side of the hand-held part 1 is connected with a host machine, a first transmission shaft 11 for transmitting torque is arranged in the hand-held part, a threaded hole is formed in the outer shell of the hand-held part 1, and the front and the rear of the hand-held part are preferred. Screw holes are also formed in corresponding positions on the machine head 2, the machine head 2 can be inserted into the handheld part 1, meanwhile, the inner side wall of the handheld part 1 is provided with a limit groove along the axis, correspondingly, the outer side wall of the machine head 2 is provided with a convex limit post along the axial direction, the limit post is inserted into the limit groove to assist in adjusting the handheld part 1 and the machine head 2 to a proper angle for insertion, so that the machine head 2 is aligned with the screw holes in the handheld part 1, and the machine head 2 and the handheld part 1 are fixed through screws 3, so that the machine head 2 and the handheld part 1 are dismounted.
Meanwhile, as the first transmission shaft 11 in the hand-held part is required to transmit torque to the machine head 2, the second transmission shaft 22 is arranged in the machine head 2, and the first transmission shaft and the second transmission shaft are detachably connected in a transmission way. In some embodiments, magnetic blocks are respectively arranged at the adjacent ends of the first transmission shaft 11 and the second transmission shaft 22, and the two are connected through magnetic attraction. As shown in fig. 2 and 3, the right end of the first transmission shaft 11 is fixedly provided with the first connecting portion 4, the right side of the first connecting portion 4 is provided with three insertion pins 41, correspondingly, the left end of the second transmission shaft 22 is fixedly provided with the second connecting portion 5, the second connecting portion 5 is correspondingly provided with three insertion holes 51, the insertion pins 41 and the insertion holes 51 are matched to transmit torque, and after the hand-held portion 1 and the machine head 2 are fixed, the first transmission shaft 11 and the second transmission shaft 22 are also limited in the axial direction, so that the transmission is smoothly completed.
The mounting hole 21 has been seted up to aircraft nose 2 lower extreme for install the root canal file, the internal rotation of mounting hole 21 is provided with the installation cover, and the root canal file joint is installed in the installation cover. The installation sleeve is connected with the second transmission shaft 22 through bevel gear transmission, so that the second transmission shaft 22 can drive the root canal file to rotate. The top of the handpiece 2 is provided with a button 6, and the button 6 is pressed to control the separation of the root canal file and the mounting sleeve, and the secondary structure is the prior art and is not tired here. The machine head 2 is provided with a root measuring clamp 23 made of metal materials and used for replacing a root measuring line to be electrically connected with a loop in the hand-held part 1, so that the root measuring line is omitted, and the whole product operation is simpler and more convenient.
In the prior art, the machine head assembly is made of metal materials, and a silica gel sleeve is generally sleeved on the outer layer during use, so that the situation that appearance parts are contacted with the oral cavity of a patient and the root depth measurement error is caused is avoided. In this embodiment, the handpiece 2 and the hand-hold portion 1 are made of plastic materials, which have the advantages of high temperature resistance, corrosion resistance, collision resistance, and uneasy electric leakage, and no need of covering a silica gel sleeve.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an insulating type motor head assembly for root canal measurement, includes handheld portion (1) and aircraft nose (2), install first transmission shaft (11) that are used for the transmission moment of torsion in handheld portion (1), set up mounting hole (21) that are used for installing the root canal file in aircraft nose (2), its characterized in that: the machine head (2) is rotatably provided with a second transmission shaft (22);
the shell of the hand-held part (1) is provided with a threaded hole, the corresponding position of the machine head (2) is also provided with a threaded hole, and the two are connected through a screw (3); when the hand-held part (1) and the machine head (2) are fixed by the screw (3), the first transmission shaft (11) and the second transmission shaft (22) are detachably connected in a transmission mode through a transmission mechanism.
2. The insulated motor-head assembly for root canal measurement of claim 1, wherein: the transmission mechanism comprises a first connecting part (4) and a second connecting part (5), the first connecting part (4) and the second connecting part (5) are respectively arranged at the adjacent end parts of the first transmission shaft (11) and the second transmission shaft (22), at least two inserting pins (41) parallel to the first transmission shaft (11) are arranged on the first connecting part (4), inserting holes (51) corresponding to the inserting pins (41) are formed in the second connecting part (5), and the inserting pins (41) are matched with the inserting holes (51) so that the first transmission shaft (11) and the second transmission shaft (22) integrally rotate.
3. The insulated motor-head assembly for root canal measurement of claim 1, wherein: the transmission mechanism is a magnetic block which is respectively arranged at two adjacent ends of the first transmission shaft (11) and the second transmission shaft (22).
4. The insulated motor-head assembly for root canal measurement of claim 1, wherein: the machine head (2) is made of plastic materials.
5. The insulated motor-head assembly for root canal measurement of claim 1, wherein: the installing hole (21) is internally provided with an installing sleeve for installing the root canal file, and the installing sleeve is in transmission connection with the second transmission shaft (22) and rotates in the installing hole (21).
6. The insulated motor-head assembly for root canal measurement of claim 5, wherein: the machine head (2) is provided with a root measuring clamp (23) made of metal materials and used for replacing the root measuring line to be electrically connected with a loop in the hand-held part (1).
7. The insulated motor-head assembly for root canal measurement of claim 1, wherein: the hand-held part (1) is characterized in that a limiting groove is formed in the inner side wall of the hand-held part (1) along the axial direction, a protruding limiting column is arranged on the outer side wall of the machine head (2) along the axial direction, and the limiting column can be inserted into the limiting groove.
8. The insulated motor-head assembly for root canal measurement according to any one of claims 1-7, wherein: the hand-held part (1) and the machine head (2) are made of the same material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829427.7U CN220459447U (en) | 2023-04-14 | 2023-04-14 | Insulating type motor head assembly for root canal measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320829427.7U CN220459447U (en) | 2023-04-14 | 2023-04-14 | Insulating type motor head assembly for root canal measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220459447U true CN220459447U (en) | 2024-02-09 |
Family
ID=89778405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320829427.7U Active CN220459447U (en) | 2023-04-14 | 2023-04-14 | Insulating type motor head assembly for root canal measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220459447U (en) |
-
2023
- 2023-04-14 CN CN202320829427.7U patent/CN220459447U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |