CN216603110U - High-speed dental handpiece - Google Patents

Abstract

The utility model discloses a dental high-speed handpiece which comprises a handpiece body, wherein a handle is installed at the left end of the handpiece body, a micro motor is connected to the left side of the handpiece body through a bolt, a transmission mechanism is arranged on the right side of the micro motor and comprises a first gear, a second gear, a third gear, a fourth gear, a rotating shaft and a drill bit, the first gear is welded on the right side of the micro motor, the second gear is meshed with the bottom end of the first gear, and the third gear is welded on the center position of the bottom end of the second gear, penetrates through the inner wall of the handpiece body, and is welded on the center position of the bottom end of the second gear. This high-speed cell-phone of dentistry through fuselage, handle, micro motor, first gear, second gear, third gear, fourth gear isotructure realization drill bit rotate, this high-speed cell-phone of dentistry through structures realization drill bit such as pull handle, iron set, spring, fixture block convenient change function, simple structure, the suitability is strong.

Description

High-speed dental handpiece

Technical Field

The utility model relates to the technical field of dentistry, in particular to a dental high-speed handpiece.

Background

The dental drill is a device for treating toothache, and the first dental drill driven by a motor was invented in 1858 by George, Harrington.

The inconvenient tool bit of changing of current dental drill cell-phone, the extravagant cost of disposable dental drill, the dental drill is not often changed and the circumstances such as infection and pollution can appear, inconvenient health, and beneficial effect is not obvious, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a dental high-speed handpiece to solve the above problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a dental high-speed mobile phone comprises a mobile phone body, wherein a handle is installed at the left end of the mobile phone body, a micro motor is connected to the left side of the mobile phone body through a bolt, a transmission mechanism is arranged on the right side of the micro motor and comprises a first gear, a second gear, a third gear, a fourth gear, a rotating shaft and a drill bit, the first gear is welded on the right side of the micro motor, the second gear is meshed with the bottom end of the first gear, the third gear is welded on the bottom center position of the second gear in a manner of penetrating through the inner wall of the mobile phone body, the fourth gear is meshed on the right side of the third gear, the rotating shaft is inserted into the top center position of the fourth gear and is in shaft connection with the mobile phone body, the drill bit is welded on the bottom end of the fourth gear, a clamping mechanism is arranged on the outer wall of the right side of the mobile phone body and comprises a pull handle, an iron rod, a spring and a fixture block, the iron rod is in clearance fit with the middle position of the outer wall of the right side of the mobile phone body, the right-hand member welding of iron set has the pull handle, the outer wall clearance fit of iron set has the spring, the left end threaded connection of iron set has the fixture block.

Preferably, the first gear and the second gear are both bevel gears.

Preferably, the gear ratio of the third gear and the fourth gear is 1: 1.

Preferably, the fixture block is a triangular fixture block.

Preferably, the outer wall of the handle is sleeved with a rubber sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. this high-speed cell-phone of dentistry realizes the rotation of drill bit through fuselage, handle, micro motor, first gear, second gear, third gear, fourth gear isotructure.

2. This dental high-speed cell-phone realizes the convenient function of changing of drill bit through handle, iron set, spring, fixture block isotructure, and simple structure, the suitability is strong.

Drawings

FIG. 1 is a front sectional view of the fuselage structure of the present invention;

FIG. 2 is an enlarged view of the utility model at A;

fig. 3 is a front view of the present invention.

In the figure: 1. the drilling machine comprises a machine body, 2, a handle, 3, a micro motor, 4, a first gear, 5, a second gear, 6, a third gear, 7, a rotating shaft, 8, a fourth gear, 9, a drill bit, 10, a pull handle, 11, an iron rod, 12, a spring, 13 and a clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a dental high-speed mobile phone comprises a mobile phone body 1, wherein a handle 2 is installed at the left end of the mobile phone body 1, the handle 2 facilitates a handheld device, a micro motor 3 is bolted at the left side of the mobile phone body 1, the micro motor 3 rotates clockwise, a transmission mechanism is arranged at the right side of the micro motor 3, the transmission mechanism comprises a first gear 4, a second gear 5, a third gear 6, a fourth gear 8, a rotating shaft 7 and a drill bit 9, the first gear 4 is welded at the right side of the micro motor 3, the micro motor 3 drives the first gear 4 to rotate clockwise, the second gear 5 is meshed at the bottom end of the first gear 4, the first gear 4 drives the second gear 5 to rotate anticlockwise, the third gear 6 is welded at the bottom center position of the second gear 5, the second gear 5 drives the third gear 6 to rotate anticlockwise, the fourth gear 8 is meshed at the right side of the third gear 6, the third gear 6 drives the fourth gear 8 to rotate clockwise, fourth gear 8's top central point puts and pegs graft and has pivot 7, pivot 7 and fuselage 1 coupling, the bottom welding of fourth gear 8 has drill bit 9, fourth gear 8 drives drill bit 9 clockwise, the right side outer wall of fuselage 1 is provided with latch mechanism, latch mechanism includes pull handle 10, iron set 11, spring 12 and fixture block 13, the right side outer wall intermediate position clearance fit of fuselage 1 has iron set 11, the right-hand member welding of iron set 11 has pull handle 10, iron set 11's outer wall clearance fit has spring 12, iron set 11's left end threaded connection has fixture block 13, when needs are dismantled drill bit 9, only need stimulate pull handle 10 right, pull out fourth gear below the triangle piece.

Preferably, the first gear 4 and the second gear 5 are both bevel gears, and the first gear 4 drives the second gear 5 to rotate counterclockwise.

Preferably, the transmission ratio of the third gear 6 to the fourth gear 8 is 1:1, and the third gear 6 drives the fourth gear 8 to rotate clockwise.

Preferably, the latch 13 is a triangular latch for facilitating the latching of the fourth gear 8.

As preferred scheme, the outer wall of handle 2 has cup jointed the rubber sleeve, and the rubber sleeve plays anti-skidding effect.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

During the use, at first make micro motor 3 clockwise rotation, micro motor 3 drives first gear 4 clockwise rotation, first gear 4 drives second gear 5 anticlockwise rotation, second gear 5 drives third gear 6 anticlockwise rotation, third gear 6 drives fourth gear 8 clockwise rotation, fourth gear 8 drives drill bit 9 clockwise rotation, when needs are dismantled drill bit 9, only need stimulate pull handle 10 right, pull out fourth gear below the triangle-shaped piece, this project organization is simple, and beneficial effect is obvious, and the suitability is strong.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "mating" or "welding" or "mounting" or "providing" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A dental high-speed handpiece comprises a body (1), and is characterized in that: the left end of the machine body (1) is provided with a handle (2), the left side of the machine body (1) is in bolted connection with a micro motor (3), the right side of the micro motor (3) is provided with a transmission mechanism, the transmission mechanism comprises a first gear (4), a second gear (5), a third gear (6), a fourth gear (8), a rotating shaft (7) and a drill bit (9), the right side of the micro motor (3) is welded with the first gear (4), the bottom end of the first gear (4) is meshed with the second gear (5), the bottom center position of the second gear (5) penetrates through the inner wall of the machine body (1) and is welded with the third gear (6), the right side of the third gear (6) is meshed with the fourth gear (8), the top center position of the fourth gear (8) is spliced with the rotating shaft (7), and the rotating shaft (7) is in shaft connection with the machine body (1), the bottom welding of fourth gear (8) has drill bit (9), the right side outer wall of fuselage (1) is provided with latch mechanism, latch mechanism is including pull handle (10), iron pole (11), spring (12) and fixture block (13), the right side outer wall intermediate position clearance fit of fuselage (1) has iron pole (11), the right-hand member welding of iron pole (11) has pull handle (10), the outer wall clearance fit of iron pole (11) has spring (12), the left end threaded connection of iron pole (11) has fixture block (13).

2. A dental high-speed handpiece according to claim 1, wherein: the first gear (4) and the second gear (5) are both bevel gears.

3. A dental high-speed handpiece according to claim 1, wherein: the transmission ratio of the third gear (6) to the fourth gear (8) is 1: 1.

4. A dental high-speed handpiece according to claim 1, wherein: the fixture block (13) is a triangular fixture block.

5. A dental high-speed handpiece according to claim 1, wherein: the outer wall of the handle (2) is sleeved with a rubber sleeve.

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