CN209529085U

CN209529085U - Dental mirror device

Info

Publication number: CN209529085U
Application number: CN201821757538.7U
Authority: CN
Inventors: 汪昇朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2019-10-25
Anticipated expiration: 2028-10-29

Abstract

A kind of dental mirror device includes holding unit and mirror unit.Holding unit includes pedestal, connects the lever of pedestal and the drive module set on pedestal.Mirror unit is rotatably disposed within pedestal and connect with drive module.Lever has the channel of connection pedestal to external suction unit can form via channel aspiration fluid and in pedestal air stream drives drive module to drive mirror unit to rotate.Lever also has to make channel be in communication with the outside and be spaced a distance with pedestal not enter the opening in oral cavity when dental mirror device is in running order, and opening can be controlled in pedestal whether form air-flow by operatively opening or closing.

Description

Dental mirror device

Technical field

The utility model relates to a kind of dental mirror device, the mouth mirror that can be rotated by air stream drives more particularly to a kind of mirror surface is filled It sets.

Background technique

Existing dental mirror device usually has a mirror and one holds the mirror and for hand-held lever.Since tooth is located at In oral cavity, some visual dead angles can not be by looking at straight outside oral cavity in oral cavity, therefore general dentist, odontologist is seeing tooth Shi Douxu by mouth The mirror of lens device carrys out the image of the intracavitary tooth of reflex port, and to overcome visual dead angle, the situation that could observe tooth imposes treatment.

Usual dentist, odontologist needs to spray water during treating tooth, and water droplet is easy to cause mirror surface anti-in spilling to mirror surface The image penetrated is unintelligible or patient is also easy to lead to mirror-reflection due to allowing mirror surface to haze because breathing the hot gas generated in the oral cavity Image it is unintelligible, so will cause dentist, odontologist's very big puzzlement in treatment dental procedures.Existing one kind can be such that mirror surface rotates To keep the dental mirror device of mirror clear, but when in dental mirror device merging patient mouthful, dentist, odontologist is in need to turn mirror surface not Dynamic demand, such as could be facilitated on the inside of patient's cheek with cheek is pushed away tooth when dentist, odontologist needs to be butted on using dental mirror device When work, i.e., mirror surface cannot be made to rotate.Moreover, because the necessary one-handed performance dental mirror device of dentist, odontologist, therefore how to facilitate dentist Whether the mirror surface that teacher controls dental mirror device rotates, and still has improved space.

Summary of the invention

The utility model wherein one is designed to provide a kind of dental mirror device that control mirror surface can be facilitated whether to rotate.

The dental mirror device of the utility model is to include in some state sample implementations: holding unit and mirror unit, the fixing Unit includes pedestal, connect the lever of the pedestal and the drive module set on the pedestal, the mirror unit are rotatably disposed within this It pedestal and is connect with the drive module, which has the channel for being connected to the pedestal to an external suction unit with logical via this Road aspiration fluid and can be formed in the pedestal air stream drives drive module with drive the mirror unit rotate.The lever also has It is useful so that the channel be in communication with the outside and with the pedestal be spaced a distance with when the dental mirror device is in running order not Into the opening in oral cavity, and the opening can be controlled in the pedestal whether form air-flow by operatively opening or closing.

In some state sample implementations, which also has the tube body for defining the channel and forming the opening, and movably The switch member of the opening is opened and closed set on the tube body.

In some state sample implementations, which is the sleeve for being rotatably sheathed on the tube body, and the switch member has The perforation of the corresponding opening.

In some state sample implementations, which is the slip lid for being slidingly disposed at the tube body to cover the opening.

In some state sample implementations, the spacing distance of the opening and the pedestal is located at the switch member at the dental mirror device It can be for the position of the thumb manipulation of user when working condition.

In some state sample implementations, the spacing distance of the opening and the pedestal is located at the switch member at the dental mirror device The position that can be operated for the middle finger of user when working condition.

In some state sample implementations, the spacing distance of the opening and the pedestal is located at the switch member at the dental mirror device The position that can be operated for the index finger of user when working condition.

The utility model at least has the advantages that by the way that the position of finger manipulation can be facilitated to be arranged on the lever Opening can so facilitate dentist, odontologist to open or close and then control whether the mirror ontology rotates using controlling the opening One-handed performance controls the rotation of the mirror ontology.

Detailed description of the invention

Other features and effect of the utility model, will in referring to schema embodiment be described in detail in clearly be in It is existing, in which:

Fig. 1 is a schematic cross-sectional view, illustrates the first embodiment of the utility model dental mirror device；

Fig. 2 is a schematic top plan view, illustrates the first embodiment；

Fig. 3 is a cross-sectional view that III-III hatching line is taken along Fig. 1, illustrates a pedestal, the driving of the first embodiment The assembled relation of the rotary shaft of the bearing of module and a mirror unit；

Fig. 4 is a cross-sectional view that IV-IV hatching line is taken along Fig. 1, illustrates multiple fluids of the pedestal of the first embodiment The position of entrance and a fluid outlet；

Fig. 5 is one side schematic view, illustrates the fluid inlet of the first embodiment and the position of fluid outlet；

Fig. 6 is an incomplete schematic diagram, illustrates the switch member of the second embodiment of the utility model dental mirror device.

Specific embodiment

Before explanation, it shall be noted that in the following description content, similar element is indicated with being identically numbered.

Refering to fig. 1 to Fig. 5, the first embodiment of the utility model dental mirror device includes: a holding unit 1 and a mirror list Member 2.

The holding unit 1 includes a pedestal 11, a lever 12 and a drive module 13.The pedestal 11 has a surrounding wall 111, multiple fluid inlets 112, a fluid outlet 113 and one cross at the spaced walls 114 in the surrounding wall 111.The spaced walls 114 define on one accommodating space 115 and once accommodating space 116 with the surrounding wall 111 jointly and have a central perforation 114a To be connected to accommodating space 115 and the lower accommodating space 116 on this.The fluid inlet 112 extends through the surrounding wall 111 with even Lead to the lower accommodating space 116 and external environment.The fluid outlet 113 through the surrounding wall 111 and with accommodating space 115 on this and The lower accommodating space 116 is connected.The lever 12 connects at the surrounding wall 111 of the pedestal 11 and the corresponding fluid outlet 113 simultaneously The channel 121 being connected with one with the fluid outlet 113.The channel 121 is to an external suction unit (not shown) to pass through By 121 aspiration fluid of channel, fluid includes gas and liquid, which can for example pump.The lever 12 also have to The channel 121 is set to be in communication with the outside and be spaced a distance with the pedestal 11 in the in running order Shi Bujin of the dental mirror device The opening 122 of entrance cavity, and the opening 122 can be opened or closed operatively.It is defined specifically, the lever 12 also has The channel 121 and the tube body 123 for forming the opening 122, and movably it is set to the switch of the tube body 123 to open and close the opening 122 Part 124.In the present embodiment, which is the sleeve for being rotatably sheathed on the tube body 123, and the switch member 124 has There is the perforation 124a of the corresponding opening 122, the opening can be made when the position of perforation 124a and the opening 122 opposite 122 are turned on, and the opening 122 can be made to be closed when the position of perforation 124a is with 122 sequence of opening.The opening 122 preferably enable the switch member 124 be located at the spacing distance of the pedestal 11 supplies when the dental mirror device is in running order The position of the thumb manipulation of user, or can be operated for the middle finger of user positioned at when the dental mirror device is in running order Position, or positioned at the position that can be operated for the index finger of user when the dental mirror device is in running order, such as thumb Refer to that the position of operation can be liked compared with the position operated for middle finger further away from the pedestal 11 or user according to oneself and selects food Refer to or middle finger operates, being so available for users to when holding the lever 12 can facilitate the one-handed performance switch member 124 to be somebody's turn to do to control The opening and closing of opening 122.The pedestal 11 also has a bottom cover 14 removably connecting with the surrounding wall 111, the bottom cover 14 covering The lower accommodating space 116 and the bottom end opening for closing the surrounding wall 111.In the present embodiment, the bottom cover 14 be equipped with internal screw thread and The surrounding wall 111 is equipped with corresponding external screw thread, and making the bottom cover 14 with the surrounding wall 111, removably interlocking is fixed.The driving mould The corresponding central perforation 114a of block 13 is set to the spaced walls 114 and is located at the lower accommodating space 116.

The mirror unit 2 is removable and is rotatably disposed within the pedestal 11, and including a mirror ontology 21 and a rotary shaft 22. The mirror ontology 21 is rotatably positioned on this in accommodating space 115, and a gap is separated between the surrounding wall 111, and has one Exposed mirror surface 211, the periphery of the mirror surface 211 are not higher by the surrounding wall 111.The rotary shaft 22 connects the mirror ontology 21 and wears It is connect in central perforation 114a and with the drive module 13, and is matched with the drive module 13 and close the central perforation 114a.The rotary shaft 22 is non-circular column, is specially quadrangle in the present embodiment, but it can also be for example semicircle, six sides Shape, octagon etc..The rotary shaft 22 operationally by the drive module 13 drive and around from axis rotate and interlock the mirror ontology 21 Rotation.It is described as follows:

In the present embodiment, which includes that a bearing 131 connecting with the rotary shaft 22 and multiple connections are somebody's turn to do The blade 132 that bearing 131 drives the bearing 131 to rotate to be pushed by air-flow.The bearing 131 has one to be fixed on the spaced walls 114 outer ring 131a, a rotatable inner ring 131b, and multiple rolling members between inner ring 131b and outer ring 131a 131d, such as ball.In the present embodiment, the outer ring 131a of the bearing 131 is tightly placed at central perforation 114a, The rolling member 131d is sealed between outer ring 131a and inner ring 131b to avoid contact outside air and liquid.It should Inner ring 131b has a shape corresponding with the rotary shaft 22 to cooperate the axis hole 131c with the rotary shaft 22 socket, the axis hole 131c and the central perforation 114a of the spaced walls 114 are aligned, and the rotary shaft 22 is greater than in the diameter connected at the mirror ontology 21 The aperture of axis hole 131c avoids the mirror ontology 21 so that the mirror ontology 21 and the spaced walls 114 separately gap 23 whereby Friction is generated with the spaced walls 114 when rotation.By the bearing 131 be set to central perforation 114a at and with 22 sets of the rotary shaft It connects and closes central perforation 114a, be connected to the lower accommodating space 116 not with accommodating space 115 on this.And the inner ring 131b is protruded out compared with outer ring 131a down to connect the blade 132.In the present embodiment, the blade 132 is first annular with one Body 133 connects, then the inner ring 131b of the bearing 131 is tightly set in by the annular solid 133, makes the blade 132 whereby It is connect with the bearing 131.In addition, 22 bottom end of rotary shaft is equipped with a removable fixing piece 3, specifically such as screw, can make this Rotary shaft 22 is connected and fixed with the drive module 13.The fluid inlet 112 cooperate suction unit pumping and in the lower accommodating Space 116 generates air-flow to drive the drive module 13 to rotate, and drives the rotary shaft 22 around from axis rotation and by the rotation whereby Axis 22 interlocks the mirror ontology 21 rotation.In the present embodiment, other than the fluid inlet 112 and the fluid outlet 113, under this Accommodating space 116 is in substantially closed space, and can generate more stable air-flow.It is generated when being rotated by the mirror ontology 21 Centrifugal force can prevent water droplet to be attached on mirror surface 211, so that the image that mirror surface 211 reflects keeps clear.Moreover, by the stream Body outlet 113 is connected with accommodating space 115 on this, and has gap between the mirror ontology 21 and the surrounding wall 111, in the mirror When ontology 21 rotates, the liquid on this in accommodating space 115 can be sucked out via the fluid outlet 113 by the suction unit, and So that hot gas is not touched the mirror surface 211 by the suction unit air-breathing and haze to avoid the mirror surface 211, can more promote makes to reflect Image keeps clearly effect.

More specifically, in the present embodiment, the pedestal 11 tool is there are three fluid inlet 112, and the fluid inlet 112 is at this Surrounding wall 111 be distributed position relative at the fluid outlet 113 separately respectively may be about 45 degree, 135 degree clockwise And 225 degree, and the fluid inlet 112 runs through the surrounding wall 111 slightly inclinedly along clockwise direction respectively, that is to say, that Fluid inlet 112 it is inclined relative to the radial direction of the surrounding wall 111 and it is rough clockwise inclination so that by the stream The air that body entrance 112 enters can flow along clockwise direction.This be clockwise with the mirror surface 211 towards user and The direction as observed by user's left-handed of lever 12, to simulate the use for holding the dental mirror device when general dentist, odontologist work State.When in use, the fluid inlet 112 positioned at 45 degree of positions is that fluid inlet 112 above, positioned at 135 degree of positions is Substantially in the opposite side of lever 12, the fluid inlet 112 positioned at 225 degree of positions is i.e. in lower section.The fluid outlet 113 has a pair The neat channel 121 and the connection channel 121 the upper outlet portion 113a being connected with accommodating space 115 on this and one and the lower appearance 116 lower outlet portion 113b between emptying.The pedestal 11 further includes a diversion division 15, and the diversion division 15 is by the surrounding wall 111 and is somebody's turn to do 12 joining place of lever counterclockwise extends in the lower accommodating space 116 and defines under this jointly with the surrounding wall 111 Outlet portion 113b is biased against the lower outlet portion 113b in the side of the surrounding wall 111.That is, the lower outlet portion 113b by The channel 121 tapered and closer fluid relative to 225 degree of interval at the fluid outlet 113 in the lower accommodating space 116 Entrance 112.The lower outlet portion 113b is downward when in use.The lower outlet portion 113b and the fluid inlet 112 match whereby It closes and can produce clockwise air-flow in suction unit work to drive the blade 132 clockwise steadily Rotation.By aforesaid fluid entrance 112 slightly inclinedly through the interval of the surrounding wall 111 and three 112 positions of fluid inlet Angle configurations, in addition the closer fluid inlet 112 relative to 225 degree of interval at the fluid outlet 113 of the lower outlet portion 113b, It can reinforce the intensity of air-flow and form the air-flow of stable one-way circulation flowing (flowing clockwise) to increase to blade 132 thrust.However, the quantity and configuration mode of fluid inlet 112 and be not limited to this embodiment, it can also be according to use demand And it adjusts.Certainly, the set-up mode of fluid outlet 113 is also not limited to this embodiment.

When in use, the suction unit that will be connected to the channel 121 of lever 12 is opened, and makes the opening 122 of the lever 12 Remain turned-off, by the suction of the suction unit make outside air by the fluid inlet 112 enter the surrounding wall 111 with Air-flow is generated in the lower accommodating space 116 and blade 132 is pushed to rotate with band dynamic bearing 131 and rotary shaft 22, and by the rotation Axis 22 drives the mirror ontology 21 rotation, to prevent mirror surface 211 from adhering to drop by centrifugal force.It is thrown away by mirror surface 211 and is enclosed by this Stop to enter the liquid that the liquid of accommodating space 115 and direct splash on this enter accommodating space 115 on this around wall 111, it can be with Device is sucked via the upper outlet portion 113a of the fluid outlet 113 to be sucked out and accommodating space 115 on this is discharged, and avoids liquid It is accumulated in accommodating space 115 on this.Upper outlet portion 113a can pass through for liquid and gas simultaneously, other than it can exclude liquid Also the hot gas that 211 top of mirror surface can be excluded hazes to avoid the surface of mirror surface 211, the image that mirror surface 211 can whereby reflected Keep clear.When the mirror ontology 21 being made to stop rotating, as long as operation rotates the switch member 124 and opens the opening 122.By It is opened close to suction unit so that the suction of suction unit largely passes through this in the opening 122 compared to the fluid inlet 112 Mouth 122, which aspirates air, causes the lower accommodating space 116 that can not generate the air-flow for being enough to push blade 132, to make the mirror ontology 21 stop rotating.That is, the opening 122 can be controlled in the pedestal 11 whether form gas by operatively opening or closing Stream, that is, can control whether the mirror ontology 21 rotates.

Refering to Fig. 6, the second embodiment of the utility model dental mirror device is roughly the same with first embodiment, only, second In embodiment, which is to be slidingly disposed at the slip lid of the tube body 123 to cover the opening 122.

In conclusion by that can facilitate the position of finger manipulation that opening 122 is arranged on the lever 12, to be somebody's turn to do using control Opening 122 opens or closes and then controls whether the mirror ontology 21 rotates, and dentist, odontologist's one-handed performance can so be facilitated to control The rotation of the mirror ontology 21.

As described above, only the embodiments of the present invention, when the utility model implementation cannot be limited with this Range, i.e., it is all according to simple equivalent changes and modifications made by the utility model claims book and description, all still belong to The scope of the utility model.

Claims

1. a kind of dental mirror device, includes: holding unit and mirror unit, the holding unit include pedestal, connect holding for the pedestal Handle and drive module set on the pedestal, the mirror unit are rotatably disposed within the pedestal and connect with the drive module, this is held Handle has the channel for being connected to the pedestal to external suction unit can be formed via the channel aspiration fluid and in the pedestal The air stream drives drive module is to drive the mirror unit to rotate；It is characterized by:

The lever also has to make the channel be in communication with the outside and be spaced a distance at the dental mirror device with the pedestal Do not enter the opening in oral cavity when working condition, and the opening can be controlled by operatively opening or closing in the pedestal whether shape At air-flow.

2. dental mirror device according to claim 1, it is characterised in that: the lever, which also has to define the channel and form this, to be opened The tube body of mouth, and it is set to the tube body movably to open and close the switch member of the opening.

3. dental mirror device according to claim 2, it is characterised in that: the switch member is the set for being rotatably sheathed on the tube body Cylinder, and the switch member has the perforation of the corresponding opening.

4. dental mirror device according to claim 2, it is characterised in that: the switch member is to be slidingly disposed at the tube body to cover The slip lid of the opening.

5. dental mirror device according to claim 2, it is characterised in that: the spacing distance of the opening and the pedestal makes the switch member Positioned at can be for the position of the thumb manipulation of user when the dental mirror device is in running order.

6. dental mirror device according to claim 2, it is characterised in that: the spacing distance of the opening and the pedestal makes the switch member Positioned at the position that can be operated for the middle finger of user when the dental mirror device is in running order.

7. dental mirror device according to claim 2, it is characterised in that: the spacing distance of the opening and the pedestal makes the switch member Positioned at the position that can be operated for the index finger of user when the dental mirror device is in running order.