Dental implant motor

Abstract

The utility model relates to a motor for dental implantation. The motor comprises a shell, a motor body, a needle seat and a circuit board, the motor body is fixedly arranged in the shell, and a shaft of the motor body protrudes out of one end of the shell; the pin seat is detachably connected with one end, far away from the shaft, of the shell, and the circuit board is fixedly arranged on the pin seat. According to the motor for dental implantation, the needle seat is detachably connected with the shell, the motor body is arranged in the shell, and the circuit board is arranged on the needle seat; when the motor needs to be subjected to high-temperature and high-pressure sterilization, the needle seat can be detached, and only the remaining part is disinfected; the needle seat is less or not influenced by high-temperature and high-pressure sterilization, so that the service life of the needle seat is greatly prolonged, and the replacement cost is lower than that of a motor body even if the needle seat is damaged; the circuit board is not easy to damage, and the durability of the cable is greatly improved; and no circuit board is arranged in the motor body in the shell, so that the possibility that the circuit board cannot be used due to damage is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a motor for dental implants. Background Art

[0002] Dental implant motors are used in the dental implant field. Blood is inevitable during the implant surgery, and if the motor is not properly wrapped, it can come into contact with blood. To prevent cross-infection, the motor must be sterilized at high temperatures and high pressures after surgery. High-temperature and high-pressure sterilization of the entire motor often exposes weak spots, which can easily damage over time and reduce its lifespan.

[0003] Motors are high-value components, so maintainability or ways to extend their life cycle are particularly important. Summary of the Invention

[0004] Based on this, the purpose of the present invention is to provide a motor for dental implants, which has the advantages of being durable, not prone to damage, and having a long service life.

[0005] A motor for dental implantation comprises a shell, a motor body, a needle seat and a circuit board; the motor body is fixed in the shell, and its shaft protrudes from one end of the shell; the needle seat is detachably connected to the end of the shell away from the shaft, and the circuit board is fixed on the needle seat.

[0006] The dental implant motor described in the present invention is detachably connected via a needle seat and a shell, with the motor body mounted in the shell and the circuit board mounted on the needle seat. When the motor needs to be sterilized at high temperature and high pressure, the needle seat can be removed and only the remaining part is sterilized. The needle seat is less affected by or not affected by high temperature and high pressure sterilization, and its lifespan can be greatly improved. Even if it breaks down, the replacement cost is lower than that of the motor body. The circuit board is also not easily damaged, and the durability of the cable is greatly improved. There is no circuit board inside the motor body in the shell, and the possibility of its damage causing it to become unusable is also greatly reduced.

[0007] Furthermore, the motor body includes a stator, a first bearing seat, a second bearing seat, a rotor and a shaft; the stator is fixed in the housing, and the first bearing seat and the second bearing seat are respectively fixed on both sides of the stator, and their peripheries are abutting the inner wall surface of the housing; the rotor is passed through the stator, and the shaft is fixed at the center of the rotor, and the two ends of the shaft are respectively rotatably connected to the first bearing seat and the second bearing seat.

[0008] Furthermore, it also includes a connecting shaft and an LED lamp assembly; the connecting shaft is fixedly connected to one end of the shell near the first bearing seat, and the shaft is inserted at the center of the connecting shaft for connection to a dental mobile phone; the LED lamp assembly is fixed to one end of the shell near the first bearing seat for light illumination.

[0009] Furthermore, the LED lamp assembly includes an ejector pin holder, an ejector pin, an LED lamp circuit board, and a light-emitting element; the ejector pin holder is fixed to the housing and electrically connected to the circuit board; the ejector pin is clamped on the first bearing seat and is plugged and electrically connected to the ejector pin holder; one side of the LED lamp circuit board is welded to the end of the ejector pin away from the ejector pin holder, and the other side is welded to the light-emitting element and is located between the first bearing seat and the connecting shaft. This LED lamp assembly manufactured using a double-sided SMD welding process has a simple structure, is easy to manufacture, and does not require a specific lamp holder for fixation, making it easy to disassemble and install.

[0010] Furthermore, it also includes a tube clamp, which is sleeved on the connecting shaft and has a first sealing ring clamped between the tube clamp and the connecting shaft, so that the tube clamp is positioned and fixed outside the connecting shaft; the tube clamp is provided with a "C"-shaped clamping groove for clamping the infusion tube.

[0011] Furthermore, it also includes a jack seat, which is fixed in the shell and located on the side of the second bearing seat away from the first bearing seat. The jack seat is provided with a plurality of jack conductors for plugging and electrically connecting with the needle seat; the LED lamp assembly is electrically connected to the jack conductors through a lamp wire.

[0012] Furthermore, the needle seat includes an outer shell, a wire sheath, an inner shell, a mounting seat, several pins and a cable; one end of the outer shell is connected to one end of the shell body close to the jack seat, and the other end is connected to the wire sheath; the inner shell is fixed in the outer shell, one end of which is connected to the inside of the wire sheath, and the other end is fixed to the mounting seat; the circuit board is fixed on the mounting seat, one end of several pins is welded to the circuit board, and the other end is plugged into and connected to the jack conductor; the cable is inserted in the wire sheath, one end of which is located in the inner shell and electrically connected to the circuit board, and the other end is used to electrically connect to other devices.

[0013] Furthermore, the inner shell is provided with a locking boss, and the mounting base is provided with an L-shaped mounting groove on its circumference. The locking boss is locked into the bottom of the L-shaped mounting groove. During installation, the mounting base can be locked and rotated by the locking boss and the L-shaped mounting groove to achieve a fixed effect, facilitating quick installation and removal.

[0014] Furthermore, a sealing ring is provided at the connection between the shell and the needle seat, one end of the sealing ring is sealed with the inner wall surface of the shell, and the other end of the sealing ring is sealed with the inner wall surface of the needle seat; a circle of third positioning grooves is provided on the inner wall surface of the shell, and a second sealing ring is clamped on the outer peripheral surface of the sealing ring, which cooperates with the third positioning groove.

[0015] Furthermore, the end face of the jack seat away from the second bearing seat is coated with glue for sealing to prevent water vapor from invading the motor body; the circuit board is fixed to the end face of the mounting seat close to the inner shell, and high-temperature resistant glue is filled between the mounting seat and the inner shell for sealing to prevent water vapor from corroding the circuit board and cable.

[0016] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the dental implant motor of this application;

[0018] Figure 2 This is one of the exploded views of the dental implant motor of this application;

[0019] Figure 3 This is the second exploded view of the dental implant motor of this application.

[0020] Figure 4 This is a cross-sectional view of the needle seat of this application.

[0021] In the picture:

[0022] 1- shell;

[0023] 2-motor body; 21-stator; 22-first bearing seat; 23-second bearing seat; 24-rotor; 25-shaft;

[0024] 3-connecting shaft; 31-transparent waterproof cover; 32-first positioning groove; 33-first sealing ring;

[0025] 4-LED lamp assembly; 41-thimble seat; 42-thimble; 43-LED lamp circuit board; 44-illuminator;

[0026] 5- pipe clamp; 51- second positioning slot; 52- "C" shaped clamp slot;

[0027] 6- jack socket; 61- jack conductor;

[0028] 7-needle seat; 71-housing; 711-third positioning slot; 72-wire protection sleeve; 73-inner housing; 74-mounting seat; 75-circuit board; 76-pin; 77-cable; 78-sensor;

[0029] 8-sealing ring; 81-second sealing ring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In the description of this utility model, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, direct connections, connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0033] See also Figure 1 The present application provides a dental implant motor, comprising a housing 1, a motor body 2, a connecting shaft 3, and a needle holder 7. The motor body 2 is fixedly mounted within the housing 1, with the shaft 25 of the motor body 2 protruding from one end outside the housing 1. The connecting shaft 3 is fixedly mounted at one end of the housing 1, into which the shaft 25 of the motor body 2 is inserted, for connection to a dental handpiece. The needle holder 7 is fixedly mounted at one end of the housing 1 away from the connecting shaft 3 and for connection to a cable 77.

[0034] Furthermore, the housing 1 is generally cylindrical. The motor body 2 includes a stator 21, a first bearing seat 22, a second bearing seat 23, a rotor 24 and a shaft 25. The stator 21 is fixed on the inner wall surface of the housing 1, and the first bearing seat 22 and the second bearing seat 23 are respectively fixed on both sides of the stator 21, and their peripheries are all against the inner wall surface of the housing 1. The rotor 24 is passed through the stator 21, and the shaft 25 is fixed at the center of the rotor 24. The two ends of the shaft 25 are respectively connected to the first bearing seat 22 and the second bearing seat 23 through bearings, and one end thereof protrudes from the outside of the first bearing seat 22. In this embodiment, the first bearing seat 22 is fixedly connected to the housing 1 by threads.

[0035] Furthermore, rubber covers are provided on the bearings of the first bearing seat 22 and the second bearing seat 23 to prevent moisture from entering the stator 21 and the rotor 24 from both ends of the shaft 25. Furthermore, the stator 21 and the rotor 24 are waterproofed. In this embodiment, the surfaces of the stator 21 and the rotor 24 are coated with high-temperature resistant glue for waterproofing.

[0036] In this embodiment, a mature two-pole structure is used inside the motor body 2, which can improve the torque output and is suitable for low-speed and high-torque applications; and has better heat dissipation performance and is suitable for long-term operation applications; the operation is smoother, with less noise and vibration, and is suitable for precision and noise-sensitive occasions; and has higher accuracy and response performance in precision control and high dynamic performance applications.

[0037] The connecting shaft 3 is threadedly fixedly connected to the housing 1 and is located at the end of the first bearing seat 22 away from the stator 21. The shaft 25 of the motor body 2 is inserted at the center of the connecting shaft 3 for connecting to the dental handpiece.

[0038] Furthermore, it also includes an LED lamp assembly 4, which is fixed to one end of the housing 1 close to the first bearing seat 22 for illuminating.

[0039] Furthermore, the LED lamp assembly 4 includes an ejector pin seat 41 , an ejector pin 42 , an LED lamp circuit board 43 and a light-emitting body 44 .

[0040] The housing 1 is provided with a first slot near the first bearing seat 22, in which the ejector seat 41 is fixed. The first bearing seat 22 is provided with a second slot corresponding to the first slot, in which the ejector 42 is fixed and electrically connected to the ejector seat 41.

[0041] The LED lamp circuit board 43 is welded using a double-sided SMD soldering process. One side of the circuit board is welded to the end of the ejector pin 42 away from the ejector pin holder 41, and the other side is welded to the illuminator 44. The circuit board is located between the first bearing seat 22 and the connecting shaft 3. This LED lamp assembly 4 manufactured using a double-sided SMD soldering process has a simple structure and is easy to manufacture. It does not require a special lamp holder for fixing, making it easy to disassemble and install.

[0042] Furthermore, a transparent waterproof cover 31 is fixedly provided on the connecting shaft 3 , and the transparent waterproof cover 31 is provided on the luminous body 44 to prevent water from entering the LED lamp assembly 4 when in use.

[0043] Furthermore, a locking groove is provided on an end surface of the connecting shaft 3 away from the first bearing seat 22 for locking with the boss of the dental mobile phone and aligning the light-emitting body 44 with the optical fiber of the dental mobile phone.

[0044] Furthermore, it also includes a tube clamp 5, the cross section of which is generally annular and is sleeved on the outside of the connecting shaft 3. In this embodiment, a circle of first positioning grooves 32 is provided on the outer peripheral surface of one end of the connecting shaft 3 close to the first bearing seat 22, and a circle of second positioning grooves 51 is provided on the inner wall surface of the tube clamp 5. The first positioning groove 32 and the second positioning groove 51 correspond to each other, and the two ends of the first sealing ring 33 are respectively clamped in the first positioning groove 32 and the second positioning groove 51, so that the tube clamp 5 is fixed on the connecting shaft 3. A "C"-shaped clamping groove 52 is fixed on one side of the tube clamp 5 for clamping the infusion tube. The tube clamp 5 in this application uses the first sealing ring 33 for positioning, has a simple structure, and is easy to disassemble, disinfect and sterilize.

[0045] Furthermore, it also includes a jack seat 6, which is fixedly connected to the housing 1 with threads, its periphery abuts the inner wall surface of the housing 1, and its side surface abuts the end surface of the second bearing seat 23 away from the stator 21. The jack seat 6 is provided with a plurality of jack conductors 61 for plugging with the needle seat 7. The end of the ejector seat 41 away from the ejector 42 is electrically connected to the jack conductor 61 through the lamp wire. In this embodiment, the second bearing seat 23 is provided with a plurality of through holes for passing the wire; the end surface of the second bearing seat 23 away from the stator 21 is also provided with a plurality of jack avoidance sinks, and the jack avoidance sinks correspond one-to-one to the jack conductors 61.

[0046] Furthermore, glue is coated on an end surface of the socket seat 6 away from the second bearing seat 23 for sealing to prevent moisture from entering the motor body 2 .

[0047] The needle seat 7 includes an outer shell 71 , a wire protection sleeve 72 , an inner shell 73 , a mounting seat 74 , a circuit board 75 , a plurality of pins 76 and a cable 77 .

[0048] The outer shell 71 is generally truncated cone-shaped and hollow inside. One end of the outer shell 71 is connected to the end of the housing 1 near the jack socket 6, and the other end is connected to one end of the cable sheath 72. The cable sheath 72 is generally cylindrical and is used to insert the cable 77. The inner shell 73 is fixedly mounted within the outer shell 71, with one end abutting the cable sheath 72 and communicating with the interior of the cable sheath 72; the other end is fixedly connected to the mounting seat 74. The mounting seat 74 and the inner shell 73 form a generally enclosed space. Furthermore, a locking boss is provided at one end of the inner shell 73 near the mounting seat 74. The mounting seat 74 is provided with an L-shaped mounting groove on its circumference, and the locking boss is locked to the bottom of the L-shaped mounting groove. During installation, the mounting seat 74 can be fixed by the locking boss engaging with the L-shaped mounting groove and rotating to achieve a fixed effect, facilitating quick and easy installation and removal. The circuit board 75 is fixed to the mounting seat 74 and located within the generally enclosed space. One end of several pins 76 passes through the mounting base 74 and is vertically soldered to the circuit board 75. The other end of the pins 76 is plugged into the socket conductor 61. A cable 77 is inserted into the cable sheath 72, with one end located in the generally enclosed space and electrically connected to the circuit board 75; the other end is used to electrically connect to other devices.

[0049] Furthermore, a sensor 78 is included. In this embodiment, the sensor 78 is a magnetic encoder chip fixed to the circuit board 75. A magnet is fixed to the end of the shaft 25 near the second bearing seat 23, and the magnetic encoder chip corresponds to the magnet. When the rotor 24 and shaft 25 rotate, the magnet is radially magnetized, and the magnetic encoder chip is used to identify the position of the rotor 24.

[0050] Furthermore, high temperature resistant glue is filled between the mounting base 74 and the inner shell 73 for sealing to prevent water vapor from corroding the circuit board 75 and the cable 77. Furthermore, a glue injection port is provided on the mounting base 74.

[0051] Furthermore, one end of the cable 77 located in the inner shell 73 is tied with an anti-loosening tie to prevent the cable 77 from falling out during glue injection, and the cost is low.

[0052] Furthermore, a sealing ring 8 is provided at the connection between the housing 1 and the needle seat 7 to prevent moisture from entering the motor through this connection. The outer periphery of one end of the sealing ring 8 is fixedly connected to the inner wall surface of the housing 1 near the second bearing seat 23, and the outer periphery of the other end of the sealing ring 8 is used to seal the inner wall surface of the needle seat 7 near the mounting seat 74. Furthermore, a second sealing ring 81 is fixed in the middle of the outer periphery of the sealing ring 8, and a circle of third positioning grooves 711 is provided on the inner wall surface of the end of the housing 71 near the mounting seat 74; when the pin 76 is inserted into the socket conductor 61, the second sealing ring 81 is fixed in the third positioning groove 711, and the end of the housing 1 near the second bearing seat 23 and the end of the housing 71 near the mounting seat 74 are positioned, fixed and sealed.

[0053] Furthermore, the outer shell 71 is provided with an anti-slip pattern to facilitate tightening or loosening the outer shell 71 when connected to the housing 1.

[0054] The motor of the present application is detachably connected to the housing 1 via a needle seat 7, the motor body 2 is installed in the housing 1, and the circuit board 75 is installed on the needle seat 7; when the motor needs to be sterilized at high temperature and high pressure, the needle seat 7 can be removed and only the remaining part is disinfected; the needle seat 7 is less or not affected by high temperature and high pressure sterilization, and its life can be greatly improved. Even if it is broken, the replacement cost is lower than that of the motor body 2; the circuit board 75 is not easily damaged, and the durability of the cable 77 is greatly improved; and there is no circuit board 75 inside the motor body 2 in the housing 1, and the possibility of its damage causing it to become unusable is also greatly reduced.

[0055] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous modifications and improvements without departing from the concept of the present invention, and the present invention is intended to encompass such modifications and variations.

Claims

1. A dental implant motor, characterized in that: It includes a shell, a motor body, a needle seat and a circuit board; the motor body is fixed in the shell, and its shaft protrudes from one end of the shell; the needle seat is detachably connected to the end of the shell away from the shaft, and the circuit board is fixed on the needle seat.

2. The dental implant motor according to claim 1, wherein: The motor body includes a stator, a first bearing seat, a second bearing seat, a rotor and a shaft; the stator is fixed in the housing, and the first bearing seat and the second bearing seat are respectively fixed on both sides of the stator, and their peripheries abut the inner wall surface of the housing; the rotor is inserted into the stator, and the shaft is fixed at the center of the rotor, and the two ends of the shaft are respectively rotatably connected to the first bearing seat and the second bearing seat.

3. The dental implant motor according to claim 2, wherein: It also includes a connecting shaft and an LED lamp assembly; the connecting shaft is fixedly connected to one end of the shell near the first bearing seat, and the shaft is inserted at the center of the connecting shaft for connecting to a dental mobile phone; the LED lamp assembly is fixedly arranged at one end of the shell near the first bearing seat for illuminating light.

4. The dental implant motor according to claim 3, wherein: The LED lamp assembly includes a pin holder, a pin, an LED lamp circuit board and a light-emitting body; the pin holder is fixed on the shell and electrically connected to the circuit board; the pin is clamped on the first bearing seat and is plugged and electrically connected to the pin holder. One side of the LED lamp circuit board is welded to the end of the pin away from the pin holder, and the other side is welded to the light-emitting body, and is located between the first bearing seat and the connecting shaft.

5. The dental implant motor according to claim 3, wherein: It also includes a tube clamp, which is arranged outside the connecting shaft and has a first sealing ring clamped between the tube clamp and the connecting shaft, so that the tube clamp is positioned and fixed on the connecting shaft; the tube clamp is provided with a "C"-shaped clamping groove for clamping the infusion tube.

6. The dental implant motor according to claim 3, wherein: It also includes a jack seat, which is fixed in the shell and located on the side of the second bearing seat away from the first bearing seat. The jack seat is provided with a plurality of jack conductors for plugging and electrically connecting with the needle seat; the LED lamp assembly is electrically connected to the jack conductors through a lamp wire.

7. The dental implant motor according to claim 6, wherein: The needle seat includes an outer shell, a wire protection sleeve, an inner shell, a mounting seat, several pins and a cable; one end of the outer shell is connected to the end of the shell body close to the jack seat, and the other end is connected to the wire protection sleeve; the inner shell is fixed in the outer shell, one end of which is connected to the inside of the wire protection sleeve, and the other end is fixed to the mounting seat; the circuit board is fixed on the mounting seat, and one end of several pins is welded to the circuit board, and the other end is plugged into and connected to the jack conductor; the cable is inserted in the wire protection sleeve, one end of which is located in the inner shell and electrically connected to the circuit board, and the other end is used to electrically connect to other equipment.

8. The dental implant motor according to claim 7, wherein: The inner shell is provided with a locking boss, and the circumferential surface of the mounting seat is provided with an "L"-shaped mounting groove, and the locking boss is locked at the bottom of the "L"-shaped mounting groove.

9. The dental implant motor according to claim 7, wherein: A sealing ring is provided at the connection between the shell and the needle seat, one end of the sealing ring is sealed with the inner wall surface of the shell, and the other end of the sealing ring is sealed with the inner wall surface of the needle seat; a circle of third positioning grooves is provided on the inner wall surface of the shell, and a second sealing ring is clamped on the outer circumference of the sealing ring, which cooperates with the third positioning groove.

10. The dental implant motor according to claim 7, wherein: The end face of the jack seat away from the second bearing seat is coated with glue for sealing to prevent water vapor from invading the motor body; the circuit board is fixed to the end face of the mounting seat close to the inner shell, and high-temperature resistant glue is filled between the mounting seat and the inner shell for sealing to prevent water vapor from corroding the circuit board and cable.

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