CN211381860U - Disposable high-speed turbine dental handpiece - Google Patents
Disposable high-speed turbine dental handpiece Download PDFInfo
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- CN211381860U CN211381860U CN202020050672.4U CN202020050672U CN211381860U CN 211381860 U CN211381860 U CN 211381860U CN 202020050672 U CN202020050672 U CN 202020050672U CN 211381860 U CN211381860 U CN 211381860U
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Abstract
The utility model relates to a disposable high-speed turbine dental handpiece, which comprises a handpiece, a handle and an air-water connector, wherein the handpiece comprises a turbine shell and a handpiece connecting piece, and a clamping groove of the handpiece connecting piece is provided with a handpiece air inlet pipe and a handpiece air return pipe; the bottom surface of the clamping groove is further provided with a machine head water spray joint and a machine head air injection joint which are protruded towards the handle direction, the side wall of the machine head is provided with a water spray hole and an air injection hole, the machine head water spray joint, the machine head air injection joint, a machine head air inlet pipe and a machine head air return pipe are respectively connected with the air water joint through connecting pipes, and the end part of the machine head connecting piece is further provided with a machine head clamping port which is sunken towards the turbine shell direction. The radial partition plate improves the connection strength of the machine head water spray joint and the machine head air spray joint, effectively isolates the machine head air inlet pipe and the machine head air return pipe, and facilitates the insertion of the connecting pipe; the aircraft nose passes through the connecting pipe to be connected with the air water connecting piece, has simplified the structure of handle, has reduced the equipment degree of difficulty for equipment convenient and fast has improved production efficiency.
Description
Technical Field
The utility model relates to a dental medical instrument, in particular to a disposable high-speed turbine dental handpiece.
Background
A high-speed disposable high-speed turbine dental handpiece (also called a dental drill handpiece) is a tool for a dentist to drill and grind teeth, and clean compressed air is used as a power source to blow a turbine to rotate at a high speed so as to drive a cutting tool to drill and grind the teeth. Chinese patent document CN2510028Y discloses a disposable high-speed turbine dental drill hand piece, which greatly reduces the cost, can be discarded after disposable use, and effectively avoids iatrogenic cross infection; the dental drill comprises a machine head, a drill needle, a front handle, a rear handle and a quick insertion air-water connector, can be well compatible with the existing interface and various related devices, but has complex structure and difficult assembly, and still needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disposable high-speed turbine dental handpiece for solve the problem that current disposable high-speed turbine dental handpiece structure is complicated, the assembly degree of difficulty is high at a high time.
In order to solve the problems, the utility model provides a disposable high-speed turbine dental handpiece, which comprises a handpiece, a handle and an air-water connector, wherein the handpiece comprises a turbine shell and a handpiece connecting piece, a cavity for accommodating a turbine is arranged in the turbine shell, a handpiece air inlet pipe and a handpiece air return pipe which are connected with the cavity are arranged at one end of the handpiece connecting piece, a clamping groove is arranged at the other end of the handpiece connecting piece, and the handpiece air inlet pipe and the handpiece air return pipe are arranged at the bottom surface of the clamping groove; the bottom surface of the clamping groove is also provided with a handpiece water spray joint and a handpiece air injection joint which protrude towards the handle direction, the side wall of the handpiece is provided with a water spray hole communicated with the handpiece water spray joint and an air injection hole communicated with the handpiece air injection joint respectively, and the central connecting line of the handpiece air inlet pipe and the handpiece air return pipe is vertical to the central connecting line of the handpiece water spray joint and the handpiece air injection joint; the machine head water spray joint, the machine head air inlet pipe and the machine head air return pipe are respectively connected with the air-water joint through connecting pipes; the end part of the machine head connecting piece is also provided with a machine head clamping interface which is sunken towards the direction of the turbine shell.
The utility model provides a disposable high-speed turbine dental handpiece still has following technical characteristic:
further, still be equipped with in the joint recess with the lateral wall of joint recess the aircraft nose water spray joint the radial baffle that aircraft nose jet-propelled articulate, the aircraft nose intake pipe the aircraft nose muffler is located respectively the both sides of radial baffle.
Further, aircraft nose joint interface comprises first joint plane and second joint plane, first joint plane with the angle between the second joint plane is 105 to 125.
Further, the air-water joint comprises a clamping joint connected with the handle and a threaded joint connected with external air and water pipelines, a clamping ring is arranged on the outer wall of the clamping joint, and connecting threads are arranged on the outer wall of the threaded joint; the overhead pipeline chamber that is equipped with the indent of joint, the middle part in pipeline chamber is equipped with first air inlet joint and first return air and connects, the inboard of the outer wall that the joint was connected to the joint be equipped with the outer wall integrated into one piece's of joint jet-propelled water spray connecting portion, be equipped with first jet-propelled joint, first water spray joint on the jet-propelled water spray connecting portion, first water spray joint with the aircraft nose water spray joint first jet-propelled joint with the aircraft nose jet-propelled joint first air inlet joint with the aircraft nose intake pipe first return air joint with the aircraft nose return air pipe links to each other through the connecting pipe respectively.
Furthermore, a second air inlet joint, a second air return joint, a second air injection joint and a second water spray joint which protrude outwards are arranged on the threaded joint, a sealing gasket is further arranged at the end part of the threaded joint, and through holes which are respectively matched with the second air inlet joint, the second air return joint, the second air injection joint and the second water spray joint are formed in the sealing gasket.
Furthermore, the outer wall of the handle is also provided with anti-skid projections, and the inner wall of the handle is provided with reinforcing ribs.
Furthermore, the anti-skid protrusions are anti-skid convex points or anti-skid convex lines.
The utility model discloses following beneficial effect has: the clamping groove is formed in the handpiece connecting piece, the handpiece air inlet pipe and the handpiece air return pipe which are communicated with the turbine shell are arranged on the bottom surface of the clamping groove, and the handpiece water spray joint, the handpiece air spray joint and the radial partition plate are arranged in the clamping groove, so that the handpiece air inlet pipe and the handpiece air return pipe are symmetrically arranged in the handpiece connecting piece, and the handpiece water spray joint and the handpiece air spray joint are symmetrically arranged in the handpiece connecting piece, and the vibration of the handpiece caused by the flowing of air and water can be effectively reduced; the radial partition plate can effectively isolate the air inlet pipe of the handpiece and the air return pipe of the handpiece while improving the connection strength of the water spray joint and the air spray joint of the handpiece, so that the connection pipes can be conveniently inserted; the aircraft nose passes through the connecting pipe to be connected with the air water connecting piece, has simplified the structure of handle, has reduced the requirement of machining precision, and the equipment is convenient.
Drawings
Fig. 1 is a schematic structural view of a disposable high-speed turbine dental handpiece in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a disposable high-speed turbine dental handpiece in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a handpiece in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the handpiece of FIG. 3;
FIG. 5 is a side view of the handpiece of FIG. 3;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic structural view of a gas-water joint in an embodiment of the present invention;
FIG. 8 is a schematic diagram of another view of the gas-water joint of FIG. 7.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 8, in an embodiment of a disposable high-speed turbine dental handpiece of the present invention, the disposable high-speed turbine dental handpiece of this embodiment includes a handpiece 10, a handle 20 and a gas-water connector 30, the handpiece 10 includes a turbine housing 11 and a handpiece connector 12, a cavity 101 for accommodating a turbine is provided in the turbine housing 11, a handpiece air inlet pipe 13 and a handpiece air return pipe 14 connected to the cavity are provided at one end of the handpiece connector 12, a clamping groove 102 is provided at the other end of the handpiece connector 12, and a handpiece air inlet pipe 13 and a handpiece air return pipe 14 are provided at the bottom surface of the clamping groove 102; the bottom surface of the clamping groove 102 is also provided with a handpiece water spray joint 15 and a handpiece air injection joint 16 which protrude towards the handle 20 direction, the side wall of the handpiece 10 is provided with a water spray hole 103 which is respectively communicated with the handpiece water spray joint 15 and an air injection hole 104 which is communicated with the handpiece air injection joint 16, and the central connecting line of the handpiece air inlet pipe 13 and the handpiece air return pipe 14 is vertical to the central connecting line of the handpiece water spray joint 15 and the handpiece air injection joint 16; the nose water spray joint 15, the nose air spray joint 16, the nose air inlet pipe 13 and the nose air return pipe 14 are respectively connected with the air-water joint 30 through connecting pipes; the end of the handpiece connecting piece 12 is also provided with a handpiece clamping interface 17 which is sunken towards the direction of the turbine shell 11. According to the disposable high-speed turbine dental handpiece of the embodiment, the clamping groove is formed in the handpiece connecting piece, the handpiece air inlet pipe and the handpiece air return pipe which are communicated with the turbine shell are arranged on the bottom surface of the clamping groove, and the handpiece water spray joint, the handpiece air spray joint and the radial partition plate are arranged in the clamping groove, so that the handpiece air inlet pipe and the handpiece air return pipe are symmetrically arranged in the handpiece connecting piece, and the handpiece water spray joint and the handpiece air spray joint are symmetrically arranged in the handpiece connecting piece, and handpiece vibration caused by air and water flowing can be effectively reduced; the radial partition plate can effectively isolate the air inlet pipe of the handpiece and the air return pipe of the handpiece while improving the connection strength of the water spray joint and the air spray joint of the handpiece, so that the connection pipes can be conveniently inserted; the aircraft nose passes through the connecting pipe (not shown in the figure) to be connected with the air water connecting piece, has simplified the structure of handle, has reduced the requirement of machining precision, and the equipment is convenient.
In an embodiment of the present application, preferably, a radial partition plate 18 connected to the side wall of the clamping groove 102, the handpiece water spray joint 15, and the handpiece air spray joint 16 is further disposed in the clamping groove 102, the handpiece air inlet pipe 13 and the handpiece air return pipe 14 are respectively located at two sides of the radial partition plate 18, and by disposing the radial partition plate, the connection strength of the handpiece water spray joint and the handpiece air spray joint can be improved, and the handpiece air inlet pipe and the handpiece air return pipe can be effectively isolated, so that the connection pipe can be conveniently plugged. Preferably, the head clamping interface 17 is composed of a first clamping plane 171 and a second clamping plane 172, and the angle between the first clamping plane 171 and the second clamping plane 172 is 105 ° to 125 °, so that the error direction of the head 10 during assembly can be avoided, and the assembly is convenient, fast and accurate.
In one embodiment of the present application, preferably, the air-water connector 30 includes a clamping connector 31 connected to the handle 20 and a threaded connector 32 connected to the external air and water pipeline, wherein a clamping ring 311 is disposed on an outer wall of the clamping connector 31, and a connecting thread 321 is disposed on an outer wall of the threaded connector 32; the clamp connector 31 is provided with a concave pipeline cavity 301, the middle part of the pipeline cavity 301 is provided with a first air inlet connector 33 and a first air return connector 34, the inner side of the outer wall of the clamp connector 31 is provided with an air injection and water injection connecting part 302 which is integrally formed with the outer wall of the clamp connector 31, the air injection and water injection connecting part 302 is provided with a first air injection connector 35 and a first water injection connector 36, the first water injection connector 36 is connected with the handpiece water injection connector 15, the first air injection connector 35 is connected with the handpiece air injection connector 16, the first air inlet connector 33 is connected with the handpiece air inlet pipe 13, and the first air return connector 34 is connected with the handpiece air return pipe 14 through connecting pipes (not shown in the figure), and the arrangement of the air injection and water injection connecting part and the arrangement of the first air injection connector 35 and the first water spray connector 36 can effectively improve the structural emphasis and the connection; in the above embodiment, specifically, the first air inlet joint 33, the first air return joint 34, the first air injection joint 35, and the first water injection joint 36 are respectively inserted into the through holes at the end portions of the connecting pipes, the handpiece water injection joint 15 and the handpiece air injection joint 16 are also respectively inserted into the through holes at the end portions of the connecting pipes, and the other ends of the connecting pipes connected to the first air inlet joint 33 and the first air return joint 34 are respectively inserted into the handpiece air inlet pipe 13 and the handpiece air return pipe 14, thereby facilitating the pipe connection.
In an embodiment of the present application, preferably, the threaded joint 32 is provided with a second air inlet joint 322, a second air return joint 323, a second air injection joint 324, and a second water injection joint 325, which protrude outward, the end of the threaded joint 32 is further provided with a sealing gasket 40, and the sealing gasket 40 is provided with through holes respectively matched with the second air inlet joint 322, the second air return joint 323, the second air injection joint 324, and the second water injection joint 325. Preferably, the outer wall of the handle 20 is further provided with an anti-slip protrusion 21, and the inner wall of the handle 20 is provided with a reinforcing rib 22. The stud 21 is a stud or rib to facilitate gripping.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A disposable high-speed turbine dental handpiece comprises a handpiece, a handle and an air-water connector, and is characterized in that the handpiece comprises a turbine shell and a handpiece connecting piece, a cavity for accommodating a turbine is arranged in the turbine shell, a handpiece air inlet pipe and a handpiece air return pipe which are connected with the cavity are arranged at one end of the handpiece connecting piece, a clamping groove is arranged at the other end of the handpiece connecting piece, and the handpiece air inlet pipe and the handpiece air return pipe are arranged at the bottom surface of the clamping groove; the bottom surface of the clamping groove is also provided with a handpiece water spray joint and a handpiece air injection joint which protrude towards the handle direction, the side wall of the handpiece is provided with a water spray hole communicated with the handpiece water spray joint and an air injection hole communicated with the handpiece air injection joint respectively, and the central connecting line of the handpiece air inlet pipe and the handpiece air return pipe is vertical to the central connecting line of the handpiece water spray joint and the handpiece air injection joint; the machine head water spray joint, the machine head air inlet pipe and the machine head air return pipe are respectively connected with the air-water joint through connecting pipes; the end part of the machine head connecting piece is also provided with a machine head clamping interface which is sunken towards the direction of the turbine shell.
2. The disposable high-speed turbine dental handpiece of claim 1, wherein: still be equipped with in the joint recess with the lateral wall of joint recess the aircraft nose water spray joint the radial baffle that aircraft nose jet-propelled articulate, the aircraft nose intake pipe the aircraft nose muffler is located respectively the both sides of radial baffle.
3. The disposable high-speed turbine dental handpiece of claim 2, wherein: aircraft nose joint interface comprises first joint plane and second joint plane, first joint plane with the angle between the second joint plane is 105 to 125.
4. The disposable high-speed turbine dental handpiece of claim 2, wherein: the air-water joint comprises a clamping joint connected with the handle and a threaded joint connected with external air and water pipelines, a clamping ring is arranged on the outer wall of the clamping joint, and connecting threads are arranged on the outer wall of the threaded joint; the overhead pipeline chamber that is equipped with the indent of joint, the middle part in pipeline chamber is equipped with first air inlet joint and first return air and connects, the inboard of the outer wall that the joint was connected to the joint be equipped with the outer wall integrated into one piece's of joint jet-propelled water spray connecting portion, be equipped with first jet-propelled joint, first water spray joint on the jet-propelled water spray connecting portion, first water spray joint with the aircraft nose water spray joint first jet-propelled joint with the aircraft nose jet-propelled joint first air inlet joint with the aircraft nose intake pipe first return air joint with the aircraft nose return air pipe links to each other through the connecting pipe respectively.
5. The disposable high-speed turbine dental handpiece of claim 4, wherein: the threaded connector is provided with a second air inlet connector, a second air return connector, a second air injection connector and a second water spray connector which protrude outwards, the end part of the threaded connector is also provided with a sealing gasket, and the sealing gasket is provided with through holes which are respectively matched with the second air inlet connector, the second air return connector, the second air injection connector and the second water spray connector.
6. The disposable high-speed turbine dental handpiece of claim 5, wherein: the outer wall of the handle is also provided with anti-skid projections, and the inner wall of the handle is provided with reinforcing ribs.
7. The disposable high-speed turbine dental handpiece of claim 6, wherein: the anti-skid protrusions are anti-skid convex points or anti-skid convex lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020050672.4U CN211381860U (en) | 2020-01-10 | 2020-01-10 | Disposable high-speed turbine dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020050672.4U CN211381860U (en) | 2020-01-10 | 2020-01-10 | Disposable high-speed turbine dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211381860U true CN211381860U (en) | 2020-09-01 |
Family
ID=72206207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020050672.4U Active CN211381860U (en) | 2020-01-10 | 2020-01-10 | Disposable high-speed turbine dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211381860U (en) |
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2020
- 2020-01-10 CN CN202020050672.4U patent/CN211381860U/en active Active
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