CN215688584U

CN215688584U - Novel dental handpiece

Info

Publication number: CN215688584U
Application number: CN202121903973.8U
Authority: CN
Inventors: 姚晓
Original assignee: Foshan Dengtuo Medical Devices Co ltd
Current assignee: Foshan Dengtuo Medical Devices Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-01
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a novel dental handpiece, which comprises: the mobile phone comprises a handle body, a mobile phone head body and a rotary driving mechanism, wherein the handle body is of a straight rod-shaped structure, and two ends of the handle body are divided into a connecting end and a free end; the mobile phone head body is connected with the connecting end; rotatory actuating mechanism is provided with the rotatory output shaft of installing on the cell-phone head body, the extension line of rotatory output shaft axis intersects with the extension line of handle body axis, and contained angle between the two is between 90 to 105 degrees, when making the car needle install on rotatory output shaft, the car needle accords with human mechanics with the angle that dentist gripped the handle body operation more, when making the car needle stretch into the oral cavity and operate, dentist's observation scope is wider, can not block dentist observation operation region's field of vision, the car needle stretches into the inboard of tooth more easily, reduce the fatigue degree of dental chair operation.

Description

Novel dental handpiece

Technical Field

The utility model relates to the field of dental equipment, in particular to a novel dental handpiece.

Background

The dental handpiece is a common oral medical instrument, and can be used for positioning and drilling hard tissues in the oral cavity by matching with needles with different shapes through high-speed rotation. The existing dental handpiece generally comprises a handle body and a handpiece body positioned at one end of the handle body, wherein the handpiece body is provided with a rotating motor, and the output shaft of the rotating motor drives the needles with different shapes to rotate. Wherein the angle between the output shaft on the traditional cell-phone head body and the handle body is 90 degrees, and this angle is inconvenient to dentist's operation, has increaseed dentist's fatigue degree, is difficult to satisfy long-term operation to current oral treatment generally disposes extra light and illuminates the art field, and extra light is one and is occupied space, and it is difficult to use with the dental handpiece matching to come the second.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel dental handpiece that solves one or more of the problems set forth in the prior art and provides at least one useful alternative or creation.

The technical scheme adopted for solving the technical problems is as follows:

the present invention provides a novel dental handpiece, comprising: the mobile phone comprises a handle body, a mobile phone head body and a rotary driving mechanism, wherein the handle body is of a straight rod-shaped structure, and two ends of the handle body are divided into a connecting end and a free end; the mobile phone head body is connected with the connecting end; the rotary driving mechanism is provided with a rotary output shaft arranged on the mobile phone head body, the extension line of the axis of the rotary output shaft intersects with the extension line of the axis of the handle body, and the included angle between the extension line and the handle body is 90-105 degrees.

The utility model has the beneficial effects that: this scheme sets up the contained angle between the extension line of rotatory output shaft and axis and the extension line of handle body axis in the within range between 90 to 105 degrees for when the car needle is installed on rotatory output shaft, the angle that the car needle and dentist held the handle body operation accords with human mechanics more, when making the car needle stretch into the oral cavity and operate, dentist's observation scope is wider, can not block dentist and observe the visual field of operation region, the car needle stretches into the inboard of tooth more easily, reduce the fatigue degree of dental chair operation.

As a further improvement of the above technical solution, the mobile phone head body is connected to the handle body through a curved connector, the curved connector is an arc-shaped rod structure which is curved along the axial direction of the handle body, two ends of the curved connector are respectively connected to the connecting end and the mobile phone head body, and the rotary output shaft faces the outer side of the curved connector.

This scheme has still set up the crooked connector between the cell-phone head body and the handle body, and the crooked connector is along the arc pole structure of the axial bending of the handle body, makes the cell-phone head body toward the outer slope for the axial of the handle body like this to and rotatory output shaft orientation the crooked outside of crooked connector for at this moment rotatory output shaft, crooked connector and handle body between form the region of keeping away the sky, make dentistry's art open more, also be convenient for the operation.

As a further improvement of the technical proposal, the included angle between the extension line of the axis of the rotating output shaft and the extension line of the axis of the handle body is 100 degrees.

The scheme limits the included angle of 100 degrees, and the angle is smoother to operate.

As a further improvement of the above technical solution, the dental handpiece further includes an illumination mechanism having an illumination head for illumination, the illumination head being relatively fixedly disposed at an angle between an extension of the rotation output shaft and the axis of the rotation output shaft and an extension of the axis of the handle body, and an illumination direction of the illumination head facing an outer end side of the rotation output shaft.

The technical field is illuminated by the illumination mechanism, the position of the illumination head is different from that of the traditional illumination head, the illumination head is relatively and fixedly arranged at the included angle between the extension line of the axis of the rotary output shaft and the extension line of the axis of the handle body, and the illumination direction of the illumination head faces the outer end side of the rotary output shaft, so that light irradiated by the illumination head can be collected in the region where the needle is operated.

As a further improvement of the above technical solution, the illumination mechanism includes a light source assembly installed in the handle body, and an optical fiber strip penetrating through the bending connection body, two ends of the optical fiber strip are divided into an incident head and a radiation head, the incident head is in butt joint with the light source assembly, a light-transmitting opening is arranged on the outer side of the handset head body, and the radiation head is arranged at the light-transmitting opening.

In order to reduce the volumes of the mobile phone head body and the bent connecting body, the light source assembly is arranged in the handle body, and light emitted by the light source assembly is guided to the irradiation head through the optical fiber strip and is irradiated from the irradiation head.

As a further improvement of the above technical solution, the rotation driving mechanism includes a rotating electrical machine installed in the mobile phone head body, and the rotating electrical machine has the rotation output shaft.

This scheme is direct to set up the rotating electrical machines in the cell-phone head is internal, drives rotatory output shaft rotation through the rotating electrical machines.

As a further improvement of the technical scheme, the handle body comprises an outer sleeve and a fixing frame sleeved in the outer sleeve, and the dental handpiece further comprises a control assembly and a battery assembly which are arranged on the fixing frame.

This scheme is in order to realize quick equipment, and control assembly and battery pack are installed in advance on the mount, later in locating the overcoat pipe with the mount cover together.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of a novel dental handpiece according to the present invention, showing one embodiment thereof;

FIG. 2 is an exploded view of one embodiment of the novel dental handpiece of the present invention;

fig. 3 is a front view of one embodiment of the novel dental handpiece of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1-3, the novel dental handpiece of the present invention makes the following embodiments:

the dental handpiece of the present embodiment includes a handpiece body 100, a handpiece body 200, and a rotary drive mechanism.

The handle body 100 is a straight rod-shaped structure, two ends of the handle body 100 are divided into a connecting end and a free end, the handle body 200 is connected to the connecting end, the rotation driving mechanism in the embodiment comprises a rotation motor installed in the handle body 200, the rotation motor is provided with a rotation output shaft 300, an extension line of an axis of the rotation output shaft 300 intersects with an extension line of an axis of the handle body 100, an included angle between the extension line of the axis of the rotation output shaft 300 and the extension line of the axis of the handle body 100 is 90-105 degrees, and the included angle between the extension line of the axis of the rotation output shaft 300 and the extension line of the axis of the handle body 100 is 90-105 degrees, so that when a car needle is installed on the rotation output shaft 300, an operation angle between the car needle and the handle holding body 100 of a dentist is more accordant with human mechanics, when the car needle is extended into an oral cavity to operate, an observation range of the dentist is wider, and a view field of the dentist observing operation area can not be blocked, the machine needle is easier to extend into the inner side of the tooth, and the fatigue of the operation of the dental chair is reduced.

Preferably, the angle between the extension of the axis of the rotary output shaft 300 and the extension of the axis of the handle body 100 is 100 degrees, defining an angle of 100 degrees, which is more fluid to operate.

Further, the mobile phone head body 200 is connected with the handle body 100 through the bending connector 400, the bending connector 400 is an arc rod structure which is bent along the axial direction of the handle body 100, two ends of the bending connector 400 are respectively connected with the connecting end and the mobile phone head body 200, the rotating output shaft 300 faces the outer side of the bending connector 400, so that the mobile phone head body 200 is inclined outwards relative to the axial direction of the handle body 100, and the rotating output shaft 300 faces the outer side of the bending connector 400, so that a clearance area is formed between the rotating output shaft 300, the bending connector 400 and the handle body 100, the surgical field of a dentist is wider, and the operation is convenient.

The dental handpiece further includes an illumination mechanism having an illumination head 500 for illumination, the illumination head 500 being relatively fixedly provided at an angle between an extension of the rotation output shaft 300 and the axis of the rotation output shaft 300 and an extension of the axis of the handle body 100, and the illumination direction of the illumination head 500 being directed toward the outer end side of the rotation output shaft 300. The irradiation head 500 in this embodiment is disposed at a position different from the conventional position, the irradiation head 500 is relatively fixedly disposed at an included angle between the extension line of the rotation output shaft 300 and the axis of the rotation output shaft 300 and the extension line of the axis of the handle body 100, and the irradiation direction of the irradiation head 500 is toward the outer end side of the rotation output shaft 300, so that the light irradiated from the irradiation head 500 can be collected in the region where the needle is operated.

Specifically, the method comprises the following steps: in order to reduce the volume of the handpiece body 200 and the curved connector 400, the illumination mechanism includes a light source assembly installed in the handpiece body 100 and a fiber optic strip 600 penetrating through the curved connector 400, two ends of the fiber optic strip 600 are divided into an incident head 700 and a radiation head 500, the incident head 700 is in butt joint with the light source assembly, a light-transmitting opening 210 is arranged outside the handpiece body 200, the radiation head 500 is arranged in the light-transmitting opening 210, the light source assembly is installed in the handpiece body 100 in the present embodiment, and light emitted by the light source assembly is guided to the radiation head 500 through the fiber optic strip 600 and is radiated from the radiation head 500.

In order to achieve rapid assembly, the handle body 100 includes an outer sleeve 110, a fixing frame 120 sleeved in the outer sleeve 110, and the dental handpiece further includes a control component and a battery component mounted on the fixing frame 120, wherein the control component and the battery component are pre-mounted on the fixing frame 120 during assembly, and then the fixing frame 120 is sleeved in the outer sleeve 110 together.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A novel dental handpiece is characterized in that: it includes:

the handle body (100) is of a straight rod-shaped structure, and two ends of the handle body (100) are divided into a connecting end and a free end;

a handset body (200) connected to the connection end;

the rotary driving mechanism is provided with a rotary output shaft (300) arranged on the mobile phone head body (200), the extension line of the axis of the rotary output shaft (300) intersects with the extension line of the axis of the handle body (100), and the included angle between the extension line and the axis of the handle body is 90-105 degrees.

2. A novel dental handpiece according to claim 1, characterized in that:

the mobile phone head body (200) is connected with the handle body (100) through a bending connector (400), the bending connector (400) is an arc-shaped rod structure which is bent along the axial direction of the handle body (100), two ends of the bending connector (400) are respectively connected with the connecting end and the mobile phone head body (200), and the rotating output shaft (300) faces to the outer side where the bending connector (400) is bent.

3. A novel dental handpiece according to claim 2, characterized in that:

the included angle between the extension line of the axis of the rotary output shaft (300) and the extension line of the axis of the handle body (100) is 100 degrees.

4. A novel dental handpiece according to claim 2, characterized in that:

the dental handpiece further comprises an illuminating mechanism, wherein the illuminating mechanism is provided with an illuminating head (500) for illumination, the illuminating head (500) is relatively and fixedly arranged at an included angle between an extension line of the rotation output shaft (300) and the axis of the rotation output shaft (300) and an extension line of the axis of the handle body (100), and the illuminating direction of the illuminating head (500) faces to the outer end side of the rotation output shaft (300).

5. A novel dental handpiece according to claim 4, characterized in that:

illumination mechanism is including installing light source subassembly in handle body (100), running through optical fiber bar (600) in crooked connector (400), the both ends of optical fiber bar (600) divide into penetrate head (700) with shine head (500), penetrate head (700) with the light source subassembly dock, the outside of cell-phone head body (200) is provided with light-permeable opening (210), shine head (500) set up in light-permeable opening (210).

6. A novel dental handpiece according to claim 1, characterized in that:

the rotary drive mechanism includes a rotary motor mounted in a handset body (200), the rotary motor having the rotary output shaft (300).

7. A novel dental handpiece according to claim 1, characterized in that:

the handle body (100) comprises an outer sleeve (110), a fixing frame (120) sleeved in the outer sleeve (110), and the dental handpiece further comprises a control assembly and a battery assembly which are arranged on the fixing frame (120).