CN212592485U

CN212592485U - Self-luminous dental handpiece

Info

Publication number: CN212592485U
Application number: CN201922164309.5U
Authority: CN
Inventors: 黄家炽
Original assignee: Modern Precision Dental Instruments Co ltd
Current assignee: Modern Precision Dental Instruments Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2021-02-26
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a self-luminous dental handpiece, which comprises a handpiece, a handle, a joint and an LED lamp, and a power generation device, a driving air pipe and a cooling water pipe which are arranged in the handle, wherein the machine head is inserted at the front end of the handle, the head is provided with a light guide groove which extends from one end of the head close to the handle to the side wall of the lower end of the head, the front end of the handle is provided with a mounting seat, one end of the mounting seat far away from the head is provided with a pair of electrode pins with mounting holes, the conductive plug connector of the LED lamp is inserted into the mounting holes, one end of the LED lamp with a light emitting surface is arranged in the light guide groove, the electrode bolt is electrically connected with the output end of the power generation device, the joint is inserted into the rear end of the handle, one ends of the driving air pipe and the cooling water pipe penetrate through the mounting seat and are inserted into the machine head, the other ends of the driving air pipe and the cooling water pipe are inserted into the joint, and the driving air pipe is communicated with the air hole of the power generation device. The LED lamp assembling and disassembling process can be simplified, the assembling and disassembling difficulty of the LED lamp is reduced, and the operation and maintenance cost is reduced.

Description

Self-luminous dental handpiece

Technical Field

The utility model relates to a dental instrument especially relates to a self-luminous dental handpiece.

Background

The dental handpiece becomes an indispensable tool for oral clinical work, is matched with a comprehensive treatment machine for use, and can clamp a lathe needle to complete the operations of drilling, grinding, cutting and cutting teeth, trimming a prosthesis and the like.

At present, self-luminous dental handpiece generally includes the aircraft nose, handle and joint, the aircraft nose sets up the front end at the handle, the joint sets up the rear end at the handle, the inside of aircraft nose inlays and is equipped with the LED lamp, install the power generation facility who is used for supplying power for the LED lamp in the handle, power generation facility's one end links together through first drive trachea and aircraft nose, and power generation facility's the other end passes through the second and drives the inlet port intercommunication of trachea and joint, at the in-process of ventilating, convert wind energy into the electric energy through power generation facility, in order to supply power for the LED lamp.

However, since the LED lamp is disposed in the handpiece, the LED lamp can be detached only after the components of the handpiece are detached one by one after the LED lamp fails, which is troublesome and difficult to detach, resulting in high operation and maintenance costs of the dental handpiece.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a self-luminous dental handpiece, which can simplify the disassembly and assembly process of a LED lamp and reduce the disassembly and assembly difficulty of the LED lamp, thereby reducing the operation and maintenance cost.

The purpose of the utility model is realized by adopting the following technical scheme:

the self-luminous dental handpiece comprises a handpiece, a handle, a joint, an LED lamp, a power generation device, a driving air pipe and a cooling water pipe, wherein the power generation device, the driving air pipe and the cooling water pipe are installed in the handle, the handle is of a hollow structure, the handpiece is inserted into the front end of the handle, a light guide groove is formed in the handpiece, one end, close to the handle, of the handpiece extends to the side wall of the lower end of the handpiece, a mounting seat is further arranged at the front end of the handle, a pair of electrode pins with mounting holes is arranged at one end, far away from the handpiece, of the mounting seat, a conductive plug connector of the LED lamp is inserted into the mounting holes, one end, with a light emitting surface, of the LED lamp is arranged in the light guide groove, the electrode pins are electrically connected with the output end of the power generation device, the joint is inserted into the rear end of the handle, and one ends of the driving air, the other ends of the driving air pipe and the cooling water pipe are inserted into the joint, and the driving air pipe is communicated with the air hole of the power generation device.

Furthermore, an optical fiber block is arranged in the light guide groove, one end of the optical fiber block is opposite to the light emitting surface of the LED lamp, and the other end of the optical fiber block is arranged on the side wall of the lower end of the machine head.

Furthermore, a holding groove is formed in one end, close to the machine head, of the mounting base and communicated with the mounting hole, and one end, provided with a conductive plug connector, of the LED lamp is arranged in the holding groove.

Further, the handle includes preceding stalk portion and hou gai portion that detachably cup joints together, preceding stalk portion with the aircraft nose is connected, hou gai portion with the articulate, and power generation facility install in the hou gai portion, the drive trachea includes intake pipe and outlet duct, the one end of intake pipe with power generation facility's inlet port rigid coupling, the other end of intake pipe is inserted and is located on the interface, the one end of outlet duct is inserted and is located on power generation facility's the venthole, the other end of outlet duct is inserted and is located on the aircraft nose.

Further, the front shank is threadedly connected with the rear shank.

Further, still include first fastener, the front end of handle is seted up and is being distributed at radial first connecting hole, the aircraft nose is inserted and is located the one end of handle has seted up the second connecting hole, the second connecting hole with first connecting hole intercommunication, first fastener in proper order with first connecting hole, second connecting hole are connected.

Further, the handle comprises a second fastener, third connecting holes distributed in the radial direction are formed in the rear end of the handle, a fourth connecting hole is formed in one end, inserted into the handle, of the handle, the fourth connecting hole is communicated with the third connecting hole, and the second fastener is sequentially connected with the third connecting hole and the fourth connecting hole.

Further, still including install in atomizing trachea and muffler in the handle, atomizing trachea with the one end of muffler all passes the mount pad is inserted and is located on the aircraft nose, atomizing trachea with the other end of muffler all inserts and locates on the joint, the aircraft nose is inserted and is located drive air inlet, atomizing gas import, cooling water import and return air import have still been seted up to the one end of handle, drive trachea with between the drive air import, atomizing trachea with between the atomizing gas import, cooling water pipe with between the cooling water import, and the muffler with all dispose first sealing member between the return air import.

Further, a second seal is disposed between the handpiece and the front end of the handle.

The handpiece further comprises a shell, a turbine rotor arranged in the shell, a rear cover arranged at the upper end of the shell and a water spraying seat arranged at the lower end of the shell, wherein a clamping shaft for clamping the needle is arranged on the turbine rotor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through add the mount pad that has the electrode bolt at the front end of handle, make the electrode bolt be connected with power generation facility's output electricity, and insert the electrically conductive plug connector of LED lamp and locate on the mounting hole, can light the LED lamp, in addition, through offering the light guide slot that is used for holding the LED lamp on the aircraft nose, and spread the light of LED lamp from the lower extreme lateral wall of aircraft nose, such structure sets up, pull down the aircraft nose from the handle and can realize the change of LED lamp, need not pull down the change that can realize the LED lamp with each component part of aircraft nose one by one, the welding problem of wire can not be related to yet at the in-process of changing the LED lamp, the dismouting is convenient, reduce the dismouting degree of difficulty, reduce the maintenance cost.

Drawings

Fig. 1 is a schematic structural view of the self-luminous dental handpiece of the present invention in a first viewing angle state;

FIG. 2 is an exploded view of the self-illuminating dental handpiece of FIG. 1;

fig. 3 is a schematic view of the internal structure of the self-luminous dental handpiece of the present invention in a second viewing angle state;

fig. 4 is another schematic structural view of the self-luminous dental handpiece shown in fig. 3, wherein the front handle portion is not shown for ease of understanding.

In the figure: 1. a machine head; 11. a housing; 111. a light guide groove; 12. a turbine rotor; 121. a clamp shaft; 13. a water spraying seat; 14. a rear cover; 2. a handle; 21. a front handle portion; 22. a rear handle portion; 3. a joint; 4. a power generation device; 41. an air inlet pipe; 5. an LED lamp; 51. a conductive plug connector; 6. a mounting seat; 61. an electrode plug pin; 62. Accommodating grooves; 7. an optical fiber block; 8. an air outlet pipe; 9. a cooling water pipe; 10. an atomizing air pipe; 20. a first seal member; 30. a second seal member; 40. a first fastener; 50. a second fastener; 60. a third seal.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-4, a self-luminous dental handpiece according to a preferred embodiment of the present invention is shown, including a handpiece 1, a handle 2, a connector 3, an LED lamp 5, and a power generation device 4, a driving air pipe and a cooling water pipe 9 installed in the handle 2, wherein the handle 2 is a hollow structure, the handpiece 1 is inserted into the front end of the handle 2, the handpiece 1 is provided with a light guide groove 111, the light guide groove 111 extends from one end of the handpiece 1 close to the handle 2 to the lower end side wall of the handpiece 1, the front end of the handle 2 is further provided with a mounting seat 6, one end of the mounting seat 6 far away from the handpiece 1 is provided with a pair of electrode pins 61 having mounting holes, the conductive plug 51 of the LED lamp 5 is inserted into the mounting holes, and one end of the LED lamp 5 having a light emitting surface is arranged in the light guide groove 111, the light emitted by the LED lamp 5 is transmitted out from the side wall of the lower end of the handpiece 1 through the light guide groove 111 to provide illumination for treatment, and the electrode pin 61 is electrically connected with the output end of the power generation device 4 through a lead, namely: one end of a wire is welded with the electrode plug pin 61, the other end of the wire is welded with the output end of the power generation device 4, the connector 3 is inserted into the rear end of the handle 2, the connector 3 is used for connecting the self-luminous dental handpiece and the comprehensive treatment machine, one ends of the driving air pipe and the cooling water pipe 9 penetrate through the mounting seat 6 and are inserted into the handpiece 1, the other ends of the driving air pipe and the cooling water pipe 9 are inserted into the connector 3, the driving air pipe is communicated with the air hole of the power generation device 4, when the power generation device works, the driving air pipe is used for air inflow to drive an impeller in the power generation device 4 to rotate, and the power generation device 4 is used for converting wind energy into electric energy to supply power for the LED lamp 5.

The utility model discloses a self-luminous dental handpiece, through add mount pad 6 that has electrode bolt 61 at the front end of handle 2, make electrode bolt 61 be connected with power generation facility 4's output electricity, and insert the electrically conductive plug connector 51 of LED lamp 5 and locate on the mounting hole, LED lamp 5 can be lighted, in addition, through offering the light guide groove 111 that is used for holding LED lamp 5 on aircraft nose 1, and spread LED lamp 5's light from aircraft nose 1's lower extreme lateral wall, such structure sets up, pull down the change that can realize LED lamp 5 from handle 2 with aircraft nose 1, need not realize the change of LED lamp 5 with each component part one by one of aircraft nose 1, the welding problem of wire can not be related to yet at the in-process of changing LED lamp 5, the dismouting is convenient, reduce the dismouting degree of difficulty, reduce the maintenance cost.

Referring to fig. 3 and 4, in a preferred embodiment, an optical fiber block 7 is further disposed in the light guide groove 111, one end of the optical fiber block 7 is disposed opposite to the light emitting surface of the LED lamp 5, and the other end of the optical fiber block 7 is disposed on a lower end side wall of the handpiece 1. The arrangement of the optical fiber block 7 can play a role in guiding light, reducing stimulation of illumination light to eyes and reducing visual fatigue, and provides safety guarantee for dental surgery.

With continued reference to fig. 3 and fig. 4, a receiving groove 62 is formed at an end of the mounting base 6 close to the handpiece 1, the receiving groove 62 is communicated with the mounting hole, and an end of the LED lamp 5 provided with the conductive connector 51 is disposed in the receiving groove 62. The receiving groove 62 is configured to allow the connection between the LED lamp 5 and the electrode pin 61 to be more reliable.

In order to facilitate replacement of the power generating device 4, as a preferred embodiment, the handle 2 includes a front handle portion 21 and a rear handle portion 22 detachably sleeved together, the front handle portion 21 is connected to the handpiece 1, the rear handle portion 22 is connected to the joint 3, the power generating device 4 is installed in the rear handle portion 22, the driving air pipe includes an air inlet pipe 41 and an air outlet pipe 8, one end of the air inlet pipe 41 is fixedly connected to an air inlet hole of the power generating device 4, the other end of the air inlet pipe 41 is inserted into the joint 3, one end of the air outlet pipe 8 is inserted into an air outlet hole of the power generating device 4, and the other end of the air outlet pipe 8 is inserted into the handpiece 1. When the power generation device 4 is replaced, the connector 3 is detached from the rear handle part 22, the air inlet pipe 41 is disconnected from the connector 3, the rear handle part 22 is detached from the front handle part 21, the power generation device 4 is pulled out, the power generation device 4 can be detached, during installation, the new power generation device 4 is connected with the air outlet pipe 8, the conducting wire is welded, the rear handle part 22 is connected with the front handle part 21, the air inlet pipe 41 is inserted into the connector 3 while the connector 3 is connected with the rear handle part 22, the power generation device 4 is assembled and disassembled, the assembling and disassembling difficulty is low, and the assembling and disassembling are more convenient.

In a preferred embodiment, the front shank 21 is screwed to the rear shank 22, and specifically, a male screw is disposed at an end of the front shank 21, and a female screw connected to the male screw is disposed at an end of the rear shank 22.

In order to ensure that the connection between the handpiece 1 and the handle 2 is more reliable, as a preferred embodiment, the self-luminous dental handpiece further comprises a first fastener 40, wherein first connecting holes distributed in the radial direction are formed in the front end of the handle 2, a second connecting hole is formed in one end, inserted into the handle 2, of the handpiece 1, the second connecting hole is communicated with the first connecting hole, and the first fastener 40 is sequentially connected with the first connecting hole and the second connecting hole.

In order to ensure that the connection between the joint 3 and the handle 2 is more reliable, the self-luminous dental handpiece further comprises a second fastener 50, third connecting holes distributed in the radial direction are formed in the rear end of the handle 2, a fourth connecting hole is formed in one end, inserted into the handle 2, of the joint 3 and communicated with the third connecting hole, and the second fastener 50 is sequentially connected with the third connecting hole and the fourth connecting hole.

Specifically, the first fastener 40 and the second fastener 50 may be screws or pins, in the present embodiment, the first fastener 40 and the second fastener 50 are screws, and correspondingly, the first connecting hole, the second connecting hole, the third connecting hole and the fourth connecting hole may be threaded holes.

Further, this self-luminous dental handpiece still including install in atomizing trachea 10 and muffler in the handle 2, atomizing trachea 10 with the one end of muffler all passes mount pad 6 and insert and locate on the aircraft nose 1, atomizing trachea 10 with the other end of muffler all inserts and locates on the joint 3, aircraft nose 1 inserts and locates drive air inlet, atomizing gas import, cooling water import and return air import have still been seted up to the one end of handle 2, drive trachea with between the drive air import, atomizing trachea 10 with between the atomizing gas import, condenser tube 9 with between the cooling water import and the muffler with all dispose first sealing member 20 between the return air import, this first sealing member 20 is sealing washer or sealed glue.

In a preferred embodiment, a second sealing member 30 is disposed between the handpiece 1 and the distal end of the handle 2, and the second sealing member 30 is a sealing ring or a sealant, in order to further prevent water leakage or air leakage.

In a preferred embodiment, a third sealing member 60 is disposed between the outlet pipe 8 and the outlet hole of the power generation device 4 to prevent air leakage, and the third sealing member 60 is preferably a sealing ring or a sealant.

In a preferred embodiment, the handpiece 1 includes a housing 11, a turbine rotor 12 disposed in the housing 11, a rear cover 14 disposed at an upper end of the housing 11, and a water spray seat 13 disposed at a lower end of the housing 11, and the turbine rotor 12 is provided with a holder shaft 121 for holding a needle.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The self-luminous dental handpiece is characterized by comprising a handpiece, a handle, a joint, an LED lamp, a power generation device, a driving air pipe and a cooling water pipe, wherein the power generation device, the driving air pipe and the cooling water pipe are arranged in the handle, the handle is of a hollow structure, the handpiece is inserted into the front end of the handle, the handpiece is provided with a light guide groove, the light guide groove extends from one end of the handpiece, which is close to the handle, to the side wall of the lower end of the handpiece, the front end of the handle is also provided with an installation seat, one end of the installation seat, which is far away from the handpiece, is provided with a pair of electrode pins with installation holes, the conductive plug connectors of the LED lamp are inserted into the installation holes, one end of the LED lamp, which is provided with a light emitting surface, is arranged in the light guide groove, the electrode pins are electrically connected with the output end of the power generation device, the joint is inserted into the rear end, the other ends of the driving air pipe and the cooling water pipe are inserted into the joint, and the driving air pipe is communicated with the air hole of the power generation device.

2. The self-luminous dental handpiece of claim 1, wherein an optical fiber block is further disposed in the light guide groove, one end of the optical fiber block is disposed opposite to the light emitting surface of the LED lamp, and the other end of the optical fiber block is disposed on the lower end side wall of the handpiece.

3. The self-luminous dental handpiece of claim 2, wherein the mounting base has a receiving groove formed at an end thereof adjacent to the handpiece, the receiving groove communicating with the mounting hole, and the end of the LED lamp having the conductive connector is disposed in the receiving groove.

4. The self-luminous dental handpiece of claim 1, wherein the handle comprises a front handle portion and a rear handle portion detachably sleeved together, the front handle portion is connected with the handpiece, the rear handle portion is connected with the joint, the power generation device is installed in the rear handle portion, the driving air pipe comprises an air inlet pipe and an air outlet pipe, one end of the air inlet pipe is fixedly connected with an air inlet hole of the power generation device, the other end of the air inlet pipe is inserted into the joint, one end of the air outlet pipe is inserted into an air outlet hole of the power generation device, and the other end of the air outlet pipe is inserted into the handpiece.

5. The self-luminous dental handpiece of claim 4, wherein the front shank portion is threadably connected to the rear shank portion.

6. The self-luminous dental handpiece of claim 1, further comprising a first fastener, wherein the front end of the handle has first connecting holes distributed in a radial direction, the end of the handpiece inserted into the handle has a second connecting hole, the second connecting hole is communicated with the first connecting hole, and the first fastener is sequentially connected with the first connecting hole and the second connecting hole.

7. The self-luminous dental handpiece of claim 1, further comprising a second fastener, wherein the rear end of the handle is provided with third connecting holes distributed in a radial direction, one end of the joint inserted into the handle is provided with a fourth connecting hole, the fourth connecting hole is communicated with the third connecting hole, and the second fastener is sequentially connected with the third connecting hole and the fourth connecting hole.

8. The self-luminous dental handpiece of claim 1, further comprising an atomizing air tube and an air return tube installed in the handle, wherein one end of the atomizing air tube and one end of the air return tube both pass through the mounting seat and are inserted into the handpiece, the other end of the atomizing air tube and the other end of the air return tube are inserted into the connector, one end of the handpiece inserted into the handle is further provided with a driving air inlet, an atomizing air inlet, a cooling water inlet and an air return inlet, and first sealing members are respectively arranged between the driving air tube and the driving air inlet, between the atomizing air tube and the atomizing air inlet, between the cooling water tube and the cooling water inlet and between the air return tube and the air return inlet.

9. The self-luminous dental handpiece of claim 1, wherein a second seal is disposed between the handpiece and the front end of the handle.

10. The self-luminous dental handpiece of claim 1, wherein the handpiece comprises a housing, a turbine rotor disposed in the housing, a rear cover disposed at an upper end of the housing, and a water spray seat disposed at a lower end of the housing, the turbine rotor having a holder shaft disposed thereon for holding a needle.