CN217286118U - Low-speed self-luminous pneumatic motor and low-speed dental handpiece - Google Patents
Low-speed self-luminous pneumatic motor and low-speed dental handpiece Download PDFInfo
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- CN217286118U CN217286118U CN202221159128.9U CN202221159128U CN217286118U CN 217286118 U CN217286118 U CN 217286118U CN 202221159128 U CN202221159128 U CN 202221159128U CN 217286118 U CN217286118 U CN 217286118U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to the technical field of medical equipment, in particular to a low-speed self-luminous pneumatic motor and a low-speed dental handpiece, wherein the motor comprises a shell, an impeller driving assembly, a generator assembly and an illuminating assembly, the impeller driving assembly comprises a driving shaft and an impeller arranged on the driving shaft, the generator assembly comprises a rotor arranged on the driving shaft and a stator arranged in the motor shell, the illuminating assembly comprises a lamp body, and the lamp body is electrically connected with the generator assembly; wherein the low speed dental handpiece includes a handpiece, a handpiece body and the detachable motor. The utility model discloses well rotor directly sets up in the drive shaft, when its drive shaft of motor drive rotates, can drive the electricity generation of generator set spare, and then makes its automation luminous for the lamp body power supply, need not increase or change inside gas circuit structure, and simple structure is compact, is convenient for make and assemble, and because low-speed pneumatic motor's moment of torsion is big, and the rotational speed is low, consequently installation rotor can not show the influence to the output torque and the rotational speed production of motor in the drive shaft.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a low-speed self-luminous pneumatic motor and low-speed dental handpiece.
Background
The dental handpiece is a common oral medical instrument and is used for drilling, cutting, grinding, polishing and other operations on teeth of a patient, and because a working area is inside an oral cavity, the working area needs to be illuminated; the other mode is to embed a light source in the dental handpiece, which is generally applied to a high-speed dental handpiece, wherein a high-speed turbine is arranged in a handpiece of the high-speed dental handpiece, the high-speed turbine is driven to rotate by high-pressure gas, when the light source needs to be embedded, a pneumatic generator and a lamp body are usually arranged in the dental handpiece, the generator is driven to rotate by high-pressure air to generate electricity, and then the lamp body is powered to emit light and illuminate, as the high-pressure gas needs to be shunted to the pneumatic generator, the driving force and the rotating speed of the high-speed turbine can be obviously influenced, meanwhile, the gas path in the dental handpiece is more complicated, and the structural complexity and the production and manufacturing cost of the dental handpiece are increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the tasks of the utility model is to provide a low-speed self-luminous pneumatic motor, which adopts an independent modular design, a generator assembly and a lighting assembly are directly arranged inside a motor shell, a rotor of the generator assembly is directly arranged on a driving shaft of the pneumatic motor, when the pneumatic motor drives the driving shaft to rotate, the generator assembly is driven to generate electricity, and then the lamp body is powered to automatically emit light without increasing or changing the gas circuit structure inside the motor, the structure is simple and compact, the processing, the manufacturing and the assembly are convenient, and because the torque of the low-speed pneumatic motor is large, the rotating speed is low, the rotor arranged on the driving shaft can not obviously influence the output torque and the rotating speed of the pneumatic motor; the second task of the utility model is to provide a low-speed dental handpiece, adopt foretell low-speed self-luminous pneumatic motor, the light guide that the leaded light stick that sets up through the fuselage is sent the lamp body leads to dental handpiece's work area and provides the illumination, makes things convenient for the doctor to observe and operate.
The utility model discloses one of the task is realized through following technical scheme:
a low-speed self-luminous pneumatic motor comprises a motor shell and also comprises: the impeller driving assembly comprises a driving shaft which is rotatably arranged in the motor shell and an impeller which is arranged on the driving shaft, the impeller is arranged in an impeller cavity in the motor shell, and the motor shell is provided with an air inlet channel which is used for inputting compressed air into the impeller cavity to drive the impeller to drive the driving shaft to rotate; the generator assembly comprises a rotor and a stator which can be matched with each other, wherein the rotor is fixedly arranged on the outer side of the driving shaft, the stator is fixedly arranged in the motor shell and coaxially sleeved outside the rotor, and a gap exists between the stator sleeve and the rotor so as to be capable of relatively rotating to generate electricity; and the lighting assembly comprises a lamp body fixedly arranged at the front end of the motor shell, and the lamp body is in conductive connection with the output end of the generator assembly.
According to the preferable technical scheme, the rotor is a permanent magnet rotor, the stator is provided with a power generation coil, the lamp body is connected with a conductive contact pin, a mounting seat is fixedly mounted in the motor shell, a mounting groove for embedded mounting of the lamp body and a jack for inserting of the conductive contact pin are formed in the mounting seat, and the other end of the conductive contact pin is conductively connected with the output end of the power generation coil.
As the preferred technical scheme, the front end of the driving shaft is fixedly provided with a non-circular connector which is used for being in transmission connection with a transmission mechanism in the body of the dental handpiece so as to transmit the rotation torque.
As a preferred technical scheme, the rear end of the motor shell is provided with an air inlet interface communicated with the air inlet channel, the front end of the motor shell is provided with an insertion sleeve fixedly connected with a body of a dental handpiece, and the front end of the driving shaft is coaxially positioned in the insertion sleeve.
Preferably, the drive shaft is rotatably disposed in the motor housing by at least three bearing assemblies, wherein two bearing assemblies are respectively disposed at the front and rear ends of the drive shaft, and one of the bearing assemblies is disposed between the impeller and the generator assembly.
The utility model provides a pair of low-speed self-luminous pneumatic motor, adopt stand alone type module design, it is direct at inside generator assembly and the lighting component of setting up of motor housing, generator assembly's rotor direct mount is in pneumatic motor's drive shaft, when its drive shaft of pneumatic motor drive rotates, can drive generator assembly electricity generation, and then make its automation luminous for the lamp body power supply, need not increase or change the inside gas circuit structure of motor, moreover, the steam generator is simple and compact in structure, be convenient for manufacturing and equipment, and because low-speed pneumatic motor's moment of torsion is big, the rotational speed is low, consequently, installation rotor can not show the influence to pneumatic motor's output torque and rotational speed production in the drive shaft.
The utility model discloses task two realizes through following technical scheme:
a dental handpiece comprises a handpiece, a handpiece body and the low-speed self-luminous pneumatic motor, wherein the handpiece body and the low-speed self-luminous pneumatic motor are respectively connected to the front end and the rear end of the handpiece body, a transmission mechanism is arranged in the handpiece body, the rear end of the transmission mechanism is in transmission connection with a driving shaft, the front end of the transmission mechanism is in transmission connection with a machine core in the handpiece body, so that the machine core can be driven to rotate by the low-speed self-luminous pneumatic motor, a light guide rod is arranged inside the handpiece body, the rear end of the light guide rod is exposed out of the rear end of the handpiece body and is right opposite to a lamp body, and the front end of the light guide rod extends to the front end of the handpiece body and is exposed out of a working area below the handpiece body.
According to the preferable technical scheme, a groove is formed in the part, connected with the machine head, of the machine body, one side wall of the groove is obliquely arranged towards a working area below the machine head, and the front end of the light guide rod is exposed out of the side wall of the groove.
Preferably, the light guide rod is an optical fiber.
The utility model provides a dental handpiece adopts foretell low-speed self-luminous pneumatic motor, during the use directly plant pneumatic motor at dental handpiece's fuselage afterbody can, assembly convenient to use, the light guide stick through the inside setting of fuselage leads the work area (car needle work area promptly) of the aircraft nose below of dental handpiece to the light that pneumatic motor's lamp body sent in order to provide the illumination, makes things convenient for the doctor to observe and operate.
The conception, the specific structure and the effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic view showing an external structure of a low-speed self-luminous pneumatic motor in accordance with embodiment 1;
FIG. 2 is a schematic view showing an internal structure of a low-speed self-luminous pneumatic motor in accordance with embodiment 1;
FIG. 3 is an exploded schematic view of a low-speed self-luminous pneumatic motor according to embodiment 1;
FIG. 4 is a schematic view of a dental handpiece in embodiment 2;
fig. 5 is an exploded view of the dental handpiece in embodiment 2.
Wherein: the self-luminous pneumatic motor comprises a low-speed self-luminous pneumatic motor 1, a motor shell 11, a mounting seat 111, a mounting groove 1111, a plug-in sleeve 112, an impeller driving assembly 12, a driving shaft 121, a connector 1211, an impeller 122, an air inlet interface 123, a generator assembly 13, a rotor 131, a stator 132, a lamp body 14, a conductive plug pin 141, a bearing assembly 15, a machine body 2, a transmission mechanism 21, a light guide rod 22, a groove 23, a machine head 3 and a sewing needle 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.
It should be noted that when an element is referred to as being "connected" or "disposed" to another element, it can be integrally formed with the other element, or can be directly connected to the other element or intervening elements may also be present, and similar language is used for descriptive purposes only and not for purposes of limitation. The terms "upper", "lower", "front", "back", and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example 1:
as shown in fig. 1 to 3, a low-speed self-luminous pneumatic motor 1 includes a motor housing 11, and further includes: the impeller driving assembly 12 comprises a driving shaft 121 rotatably disposed in the motor housing 11, and an impeller 122 disposed on the driving shaft 121, the impeller 122 is disposed in an impeller cavity in the motor housing 11, and the motor housing 11 is provided with an air inlet channel for inputting compressed air into the impeller cavity to drive the impeller 122 to drive the driving shaft 121 to rotate; a generator assembly 13, including a rotor 131 and a stator 132 capable of cooperating with each other, wherein the rotor 131 is fixedly installed outside the driving shaft 121, the stator 132 is fixedly installed in the motor housing 11 and coaxially sleeved outside the rotor 131, and a gap is formed between the stator 132 and the rotor 131 so as to enable relative rotation to generate electricity; the lighting assembly comprises a lamp body 14 fixedly arranged at the front end of the motor shell 11, and the lamp body 14 is in conductive connection with the output end of the generator assembly 13.
The utility model provides a pair of low-speed self-luminous pneumatic motor, adopt stand alone type modular design, it is direct at the inside generator module 13 and the lighting assembly that sets up of motor housing 11, the rotor 131 direct mount of generator module 13 is on pneumatic motor's drive shaft 121, when its drive shaft 121 of pneumatic motor drive rotates, can drive generator module 13 electricity generation, and then make its automation luminous for the power supply of lamp body 14, need not increase or change the inside gas circuit structure of motor, moreover, the steam generator is simple and compact in structure, be convenient for manufacturing and equipment, and because low-speed pneumatic motor's moment of torsion is big, the rotational speed is low, consequently installation rotor 131 can not show the influence to pneumatic motor's output torque and rotational speed production in drive shaft 121.
As a preferred technical solution, the rotor 131 is a permanent magnet rotor 131, the stator 132 is provided with a power generation coil (not shown in the drawings), the lamp body 14 is connected with a conductive pin 141, the motor housing 11 is internally and fixedly provided with an installation seat 111, the installation seat 111 is provided with an installation groove 1111 for embedded installation of the lamp body 14 and a jack for inserting the conductive pin 141, and the other end of the conductive pin 141 is conductively connected with an output end of the power generation coil. The design makes the structure simpler and more compact, and is convenient to install.
Preferably, a tooth-shaped connector 1211 is fixedly disposed at a front end of the driving shaft 121, and is used for being in transmission connection with a transmission mechanism in a body of the dental handpiece so as to transmit a rotational torque.
As a preferable technical solution, the rear end of the motor housing 11 is provided with an air inlet 123 communicating with the air inlet channel, the front end of the motor housing 11 is provided with an insertion sleeve 112 for fixedly connecting with a body of a dental handpiece, and the front end of the driving shaft 121 is coaxially located in the insertion sleeve 112.
Preferably, the driving shaft 121 is rotatably disposed in the motor housing 11 by at least three bearing assemblies 15, wherein two bearing assemblies 15 are respectively disposed at the front and rear ends of the driving shaft 121, and one of the bearing assemblies 15 is disposed between the impeller 122 and the generator assembly 13.
Example 2:
as shown in fig. 4-5, a dental handpiece comprises a handpiece 3, a handpiece 2, and the low-speed self-luminous pneumatic motor 1, wherein the handpiece 3 and the low-speed self-luminous pneumatic motor 1 are respectively connected to the front end and the rear end of the handpiece 2, a transmission mechanism 21 is arranged in the handpiece 2, the rear end of the transmission mechanism 21 is in transmission connection with the driving shaft 121, the front end is in transmission connection with a movement in the handpiece 3, so that the movement can be driven to rotate by the low-speed self-luminous pneumatic motor 1, a light guide rod 22 is arranged in the handpiece 2, the rear end of the light guide rod 22 is exposed out of the rear end of the handpiece 2 and is opposite to the lamp body 14, the front end of the light guide rod 22 extends to the front end of the handpiece 2 and is exposed out of a working area below the handpiece 3, when the dental handpiece works, the handpiece 3 usually needs to be connected with a needle 4, the upper end of the needle 4 is inserted in the handpiece 3 and connected with the movement so as to rotate along with the movement, the lower end of the needle 4 protrudes from the lower end of the handpiece 3, and the working area below the handpiece 3 in this patent generally refers to the area where the needle 4 protrudes from below the handpiece 3.
The utility model provides a dental handpiece adopts foretell low-speed self-luminous pneumatic motor 1, during the use directly with pneumatic motor plant in dental handpiece's 2 afterbody of fuselage can, assembly convenient to use, the light guide that light bar 22 through the inside setting of fuselage 2 will pneumatic motor's lamp body 14 sends leads to dental handpiece's work area region in order to provide the illumination, makes things convenient for the doctor to observe and operate.
As a preferable technical solution, a groove 23 is provided at a portion where the body 2 is connected to the head 3, a side wall of the groove 23 is inclined toward a working area below the head 3, and a front end of the light guide rod 22 is exposed from the side wall of the groove 23.
As a preferred technical scheme, the light guide rod 22 is an optical fiber, and has good light guide performance and flexibility.
The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Claims (8)
1. A low-speed self-luminous pneumatic motor comprises a motor shell, and is characterized by further comprising:
the impeller driving assembly comprises a driving shaft which is rotatably arranged in the motor shell and an impeller which is arranged on the driving shaft, the impeller is arranged in an impeller cavity in the motor shell, and the motor shell is provided with an air inlet channel which is used for inputting compressed air into the impeller cavity to drive the impeller to drive the driving shaft to rotate;
the generator assembly comprises a rotor and a stator which can be matched with each other, wherein the rotor is fixedly arranged on the outer side of the driving shaft, the stator is fixedly arranged in the motor shell and coaxially sleeved outside the rotor, and a gap is formed between the stator sleeve and the rotor so as to enable the stator sleeve and the rotor to rotate relatively to generate electricity;
and the lighting assembly comprises a lamp body fixedly arranged at the front end of the motor shell, and the lamp body is in conductive connection with the output end of the generator assembly.
2. The low-speed self-luminous pneumatic motor as claimed in claim 1, wherein the rotor is a permanent magnet rotor, the stator is provided with a power generation coil, the lamp body is connected with a conductive pin, a mounting seat is fixedly mounted in the motor housing, the mounting seat is provided with a mounting groove for embedded mounting of the lamp body and a jack for insertion of the conductive pin, and the other end of the conductive pin is conductively connected with an output end of the power generation coil.
3. The self-luminous pneumatic motor as claimed in claim 1, wherein the front end of the driving shaft is fixedly provided with a non-circular connector for driving and connecting a transmission mechanism in the body of the dental handpiece so as to transmit a rotational torque.
4. The low-speed self-luminous pneumatic motor according to claim 1, wherein the rear end of the motor housing is provided with an air inlet port communicated with the air inlet passage, the front end of the motor housing is provided with an insertion sleeve for fixedly connecting with a body of a dental handpiece, and the front end of the driving shaft is coaxially positioned in the insertion sleeve.
5. The low-speed self-luminous pneumatic motor according to claim 1, wherein the drive shaft is rotatably disposed in the motor housing by at least three bearing assemblies, two of which are disposed at front and rear ends of the drive shaft, respectively, and one of which is disposed between the impeller and the generator assembly.
6. A dental handpiece, characterized in that, comprises a handpiece, a handpiece and a low-speed self-luminous pneumatic motor as claimed in any one of claims 1 to 5, wherein the handpiece and the low-speed self-luminous pneumatic motor are respectively connected with the front end and the rear end of the handpiece, a transmission mechanism is arranged in the handpiece, the rear end of the transmission mechanism is in transmission connection with a driving shaft, the front end is in transmission connection with a machine core in the handpiece, so that the machine core can be driven to rotate by the low-speed self-luminous pneumatic motor, a light guide rod is arranged in the handpiece, the rear end of the light guide rod is exposed out of the rear end of the handpiece and is opposite to a lamp body, and the front end of the light guide rod extends to the front end of the handpiece and is exposed out of a working area below the handpiece.
7. The dental handpiece of claim 6, wherein a portion of the body connected to the handpiece is provided with a recess, a side wall of the recess is inclined toward a working area below the handpiece, and a front end of the light guide rod is exposed from the side wall of the recess.
8. The dental handpiece of claim 6, wherein the light guide rod is an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159128.9U CN217286118U (en) | 2022-05-12 | 2022-05-12 | Low-speed self-luminous pneumatic motor and low-speed dental handpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159128.9U CN217286118U (en) | 2022-05-12 | 2022-05-12 | Low-speed self-luminous pneumatic motor and low-speed dental handpiece |
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| CN217286118U true CN217286118U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221159128.9U Active CN217286118U (en) | 2022-05-12 | 2022-05-12 | Low-speed self-luminous pneumatic motor and low-speed dental handpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154462A (en) * | 2023-09-05 | 2023-12-01 | 南通协成电子有限公司 | Wire harness wiring port for dental medical equipment |
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2022
- 2022-05-12 CN CN202221159128.9U patent/CN217286118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154462A (en) * | 2023-09-05 | 2023-12-01 | 南通协成电子有限公司 | Wire harness wiring port for dental medical equipment |
| CN117154462B (en) * | 2023-09-05 | 2024-04-12 | 南通协成电子有限公司 | Wire harness wiring port for dental medical equipment |
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