CN212940011U

CN212940011U - Dental curved hand piece for removing enamel on adjacent surface of tooth

Info

Publication number: CN212940011U
Application number: CN202021131526.0U
Authority: CN
Inventors: 梁德城
Original assignee: Foshan Xinaide Medical Device Co ltd
Current assignee: Foshan Xinaide Medical Device Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-13
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a dental hand bender for removing enamel on adjacent surfaces of teeth, which comprises a handle, the device comprises a speed reducer and a working elbow, wherein a driving shaft is installed in a handle in a rotating fit manner, a transmission shaft is installed in the working elbow in a rotating fit manner, the driving shaft drives the transmission shaft to rotate through the speed reducer, a connecting cylinder is fixedly installed at the periphery of the speed reducer in a coating manner, the lower end of the connecting cylinder is installed at the upper end of the handle in a spiral fit manner, the upper end of the connecting cylinder is in spiral fit with the lower end of the working elbow, an eccentric wheel is formed at the upper end of the transmission shaft, a working cylinder is fixedly installed above the working elbow, a cutting slide block is installed in the working cylinder in a sliding fit manner, a groove is formed below the cutting slide block, the eccentric wheel and the groove are in clearance fit with each other, the eccentric wheel drives the cutting; thereby realizing the cooling and reducing the pain of the patient during the treatment.

Description

Dental curved hand piece for removing enamel on adjacent surface of tooth

Technical Field

The utility model belongs to the technical field of the department of stomatology treatment equipment and specifically relates to a dental curette for getting rid of tooth adjacent surface enamel is mainly used for getting rid of tooth adjacent surface enamel in the orthodontic treatment of department of stomatology.

Background

Dental handpieces are divided into slow handpieces and high-speed handpieces. The slow-speed mobile phone is mainly used for grinding false teeth or polishing. High speed handpieces are used clinically to mill and cut teeth. The high-speed dental handpiece is divided into a big head, a standard head and a mini head according to the size of the handpiece. The sizes are different and the forces are different. When in work: the hand piece is driven to rotate by utilizing compressed air, and the dental bur is clamped for drilling, grinding and cutting treatment. The low-speed mobile phone is divided into a straight machine and a bending machine, wherein the straight machine is used for grinding and polishing and is used for treating outside the mouth, and the bending machine is used for treating inside the mouth.

No 4:1 up-and-down reciprocating dental bender with a cooling function is available in the market, when enamel on the adjacent surface of a tooth is removed, a tooth blade used in cooperation with the 4:1 up-and-down reciprocating dental bender can generate heat when the enamel is cut off, and the tooth root part of the oral cavity of a patient is very sensitive to the heat, so that the pain of the patient during treatment can be increased.

Disclosure of Invention

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A dental curved hand tool for removing enamel on the adjacent surface of a tooth comprises a handle, reduction gear and work elbow, the driving shaft is installed to the interior normal running fit of handle, the transmission shaft is installed to the interior normal running fit of work elbow, the driving shaft passes through the reduction gear and drives the transmission shaft rotatory, the peripheral department cladding fixed mounting of reduction gear has the connecting cylinder, the upper end at the handle is installed to the lower extreme spiral cooperation of connecting cylinder, the upper end spiral cooperation of connecting cylinder is at the lower extreme of work elbow, the upper end shaping of transmission shaft has the eccentric wheel, the top fixed mounting of work elbow has the working cylinder, sliding fit installs the cutting slider in the working cylinder, the below shaping of cutting slider is fluted, mutual clearance fit between eccentric wheel and the recess, the eccentric wheel passes through the recess and drives the horizontal motion of cutting slider, the right side lower extreme fixed mounting of working cylinder has the water-cooling location section.

Adopt prior art's pneumatic motor to drive the driving shaft rotatory, the driving shaft passes through the reduction gear and drives the driven shaft rotatory, and the driven shaft passes through the eccentric wheel and drives the cutting slider along carrying out the horizontal slip in the working barrel, and the operation of tooth adjacent surface enamel is got rid of to the tooth of cutting slider in to patient's oral cavity, simultaneously, lets in the pure water of cooling toward water-cooling location section of thick bamboo to effectively dispel the heat to the tooth of cutting slider and patient.

Compared with the prior art, the beneficial effects of the utility model are that: can cool the dental knife and the teeth so as to reduce the pain of the patient during treatment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the assembly structure of the transmission shaft and the working elbow of the present invention.

Fig. 3 is a schematic view of the assembly structure of the working elbow and the working barrel of the present invention.

Fig. 4 is a schematic view of the connection structure of the connection cylinder of the present invention.

Shown in the figure: 1. a handle; 2. a speed reducer; 3. a working elbow; 4. a drive shaft; 5. a drive shaft; 6. a connecting cylinder; 7. an eccentric wheel; 8. a working barrel; 9. cutting the sliding block; 10. a groove; 11. a water-cooling positioning cylinder; 12. positioning points; 13. a sliding groove; 14. a positioning cover; 15. rubber waterproof gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a dental handpiece for removing enamel on adjacent surfaces of teeth comprises a handle 1, a reducer 2 and a working elbow 3, wherein a driving shaft 4 is installed in the handle 1 in a rotationally matched manner, a driving shaft 5 is installed in the working elbow 3 in a rotationally matched manner, the driving shaft 4 drives the driving shaft 5 to rotate through the reducer 2, a connecting cylinder 6 is fixedly installed at the periphery of the reducer 2 in a wrapping manner, the lower end of the connecting cylinder 6 is installed at the upper end of the handle 1 in a spirally matched manner, the upper end of the connecting cylinder 6 is spirally matched at the lower end of the working elbow 3, an eccentric wheel 7 is formed at the upper end of the driving shaft 5, a working cylinder 8 is fixedly installed above the working elbow 3, a cutting slide block 9 is installed in a sliding manner in the working cylinder 8, a groove 10 is formed below the cutting slide block 9, the eccentric wheel 7 and the, the lower end of the right side of the working barrel 8 is fixedly provided with a water-cooling positioning barrel 11, and the upper end of the water-cooling positioning barrel 11 is communicated with the matching gap between the working barrel 8 and the cutting slide block 9; the principle is as follows: adopt the pneumatic motor of prior art E type interface to drive driving shaft 4 rotatory, driving shaft 4 drives driven shaft 5 through reduction gear 2 and rotates, driven shaft 5 drives cutting slider 9 through eccentric wheel 7 and follows and carry out the horizontal slip in working barrel 8, the operation of tooth adjacent surface enamel is got rid of to the tooth of cutting slider 9 in to the patient oral cavity, and simultaneously, toward 11 departments of water-cooling location section of thick bamboo let in the cooling pure water, the cooling pure water spouts cutting slider 9 and patient's tooth department, thereby effectively dispel the heat to cutting slider 9 and patient's tooth.

As a further aspect of the present invention: a positioning point 12 is fixedly arranged on the inner side of the working barrel 8, a sliding groove 13 is formed above the cutting sliding block 9, the direction of the sliding groove 13 is the same as the sliding direction of the cutting sliding block 9, and the positioning point 12 is in clearance fit with the sliding groove 13; the sliding of the cutting slide block 9 provides positioning, and the sliding is smoother.

As a further aspect of the present invention: the speed reducer 2 adopts a gear speed reducer, and the rotation ratio between the driving shaft 4 and the transmission shaft 5 is 4: 1; the transmission is more accurate.

As a further aspect of the present invention: a positioning cover 14 is arranged at the periphery of the working elbow 3 in a clearance fit manner, and the working elbow 3 is in mutual spiral fit connection with the connecting cylinder 6 through the positioning cover 14; the connection is convenient and fast.

As a further aspect of the present invention: the upper end and the lower end of the connecting cylinder 6 are respectively provided with a rubber waterproof gasket 15 in interference fit with the spiral fit connection parts of the positioning cover 14 and the handle 1; can effectively prevent water.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dental hand bender for getting rid of tooth adjacent face enamel, includes handle, reduction gear and work elbow, and the driving shaft is installed to handle internal rotation fit, and the transmission shaft is installed to work elbow internal rotation fit, and the driving shaft drives the transmission shaft rotation through the reduction gear, its characterized in that: peripheral department cladding fixed mounting of reduction gear has the connecting cylinder, the upper end at the handle is installed in the lower extreme spiral cooperation of connecting cylinder, the upper end spiral cooperation of connecting cylinder is at the lower extreme of work elbow, the upper end shaping of transmission shaft has the eccentric wheel, the top fixed mounting of work elbow has the working cylinder, sliding fit installs the cutting slider in the working cylinder, the below shaping of cutting slider is fluted, mutual clearance fit between eccentric wheel and the recess, the eccentric wheel passes through the recess and drives the horizontal motion of cutting slider, the right side lower extreme fixed mounting of working cylinder has a water-cooling location section of thick bamboo, the upper end of water-cooling location section of thick bamboo lets in the cooperation clearance department of working cylinder and.

2. A dental bender for the removal of enamel adjacent to teeth according to claim 1, characterized in that: the inner side of the working barrel is fixedly provided with a positioning point, a sliding groove is formed above the cutting sliding block, the direction of the sliding groove is the same as the sliding direction of the cutting sliding block, and the positioning point and the sliding groove are in clearance fit with each other.

3. A dental bender for the removal of enamel adjacent to teeth according to claim 1, characterized in that: the speed reducer adopts a gear speed reducer, and the rotation ratio between a driving shaft and a transmission shaft is 4: 1.

4. A dental bender for the removal of enamel adjacent to teeth according to claim 1, characterized in that: the periphery of the working elbow is provided with a positioning cover in a clearance fit manner, and the working elbow is in spiral fit connection with the connecting cylinder through the positioning cover.

5. A dental bender for removing enamel adjacent to teeth according to claim 4, characterized in that: the upper end and the lower end of the connecting cylinder are in interference fit with the spiral fit connection parts of the positioning cover and the handle, and rubber waterproof gaskets are arranged.