CN220237084U

CN220237084U - Tooth protection bent angle and polishing machine

Info

Publication number: CN220237084U
Application number: CN202223250147.5U
Authority: CN
Inventors: 张威振
Original assignee: Guilin Woodpecker Medical Instruments Co Ltd
Current assignee: Guilin Woodpecker Medical Instruments Co Ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-12-26
Anticipated expiration: 2032-12-05

Abstract

A tooth-protecting bent angle and polishing machine relates to the technical field of medical appliances and comprises a shell, a transmission assembly and a machine core, wherein the transmission assembly is arranged in the shell and comprises a central shaft, and an inserting rod is arranged at one end of the central shaft; the core is arranged in the shell and is provided with an annular slot, and the inserted link is arranged in the annular slot and used for limiting the movement of the core in the vertical direction. The utility model greatly solves the problem that parts are easy to damage in the installation process, reduces the production cost, and simultaneously greatly reduces friction loss in the transmission process by adopting the ways of the inserted link and the annular slot, and improves the transmission efficiency. The utility model also provides a polishing machine which is high in working efficiency and convenient to detach.

Description

Tooth protection bent angle and polishing machine

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a tooth-protecting bent angle and a polishing machine.

Background

Dental polishing belongs to a common treatment method, and mainly aims at polishing treatment of unsmooth tooth surfaces, and polishing can be carried out by using a tooth polishing machine after unsmooth tooth surfaces generally appear, so that the tooth surfaces can be smooth, the tooth cleaning effect can be achieved, and the tooth enamel of the tooth cleaning device cannot be damaged. In addition, when the tooth surface is not smooth and then is polished by the tooth polishing machine, food residues remain on the tooth surface, dental calculus is caused, and the teeth of the user are seriously damaged.

The inventor researches that the existing tooth polishing machine has the problem of installation, when the machine core is installed, the machine core is often pressed into the shell by hands or machines, the pressure can deform a circle of convex keys arranged on the machine core and then slide into the shell, so that the purpose of limiting movement of the machine core is achieved, the installation in the mode is difficult to operate, parts are easy to damage, the construction period is prolonged, and the production cost is high.

Disclosure of Invention

The utility model aims to provide a tooth protection bent angle and a polishing machine, which can change the traditional installation mode, are simple and quick to operate, cannot damage parts and reduce the production cost.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a tooth care corner comprising a shell, further comprising:

the transmission assembly is arranged in the shell and comprises a central shaft, and an inserting rod is arranged at one end of the central shaft;

the machine core is arranged in the shell, an annular slot is formed in the machine core, and the inserted link is arranged in the annular slot and used for limiting the movement of the machine core in the direction perpendicular to the central shaft.

In an alternative embodiment, the shell comprises a front shell and a rear shell fixedly connected with the front shell, the movement is arranged in the front shell, one end of the movement is exposed out of the front shell, and the central shaft penetrates through the interiors of the front shell and the rear shell.

In an alternative embodiment, the transmission assembly further comprises a first support member arranged on the central shaft, a positioning hole is arranged at the joint of the front shell and the rear shell, and the first support member is arranged in the positioning hole.

In an alternative embodiment, the polishing device further comprises a polishing cup, wherein an assembling part is arranged on one end of the movement exposed out of the front shell, and the polishing cup is fixed on the assembling part.

In an alternative embodiment, an insertion shaft is disposed at an end of the movement away from the assembly portion, a jack is disposed in the front shell, and the insertion shaft is disposed in the jack and is used for limiting movement of the movement in an axial direction of the central shaft.

In an alternative embodiment, a driving gear is further arranged at one end of the central shaft, where the inserted link is arranged, and a driven gear is arranged on the movement and meshed with the driving gear.

In an alternative embodiment, the movement, the insertion shaft, the fitting portion and the driven gear are all coaxially disposed.

In an alternative embodiment, the transmission assembly further comprises a second support disposed on the central shaft, the second support being located between the first support and the drive gear.

In an alternative embodiment, the central shaft, the plunger, the drive gear, the first support and the second support are all coaxially disposed.

In a second aspect, the present utility model provides a polishing machine comprising a tooth care corner as described in any one of the preceding embodiments.

The embodiment of the utility model has the beneficial effects that: the utility model is provided with the annular slot on the movement, meanwhile, one end of the central shaft is provided with the inserted link, the inserted link is arranged in the annular slot to limit the movement of the movement in the vertical direction, and meanwhile, the other structures are matched, so that the relative position of the movement can be fixed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a tooth care corner according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a tooth care corner according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a shell according to an embodiment of the present utility model.

Icon:

100-shell sleeve; 110-front shell; 111-mounting a cavity; 112-a jack; 120-a rear shell; 130-positioning holes; 200-a transmission assembly; 210-a central axis; 211-a plunger; 212-a drive gear; 220-a first support; 230-a second support; 300-movement; 310-annular slot; 320-fitting part; 330-inserting a shaft; 340-driven gear; 400-polishing cup.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The polishing machine comprises a tooth polishing machine, a nail polishing machine, a mirror polishing machine and other devices with machine core fixing structures, wherein the polishing machine is generally provided with a driving assembly and an external driving assembly, the driving assembly drives the external driving assembly to rotate usually, and then the external driving assembly drives an external friction head or polishing head to rotate. At present, the external driving assembly in the prior art has the problems of inconvenient installation and easy damage to parts, thereby leading to the improvement of production cost. For example, application number 202120810065.8 discloses a tooth-protecting corner structure of a polishing machine, which needs to be assembled by pressing, and the 25 th section of the specification: the limiting disc is vertically pressed, so that the limiting disc slightly deforms and penetrates through the limiting groove to enter the accommodating cavity … …, the limiting round table can be placed in the groove with a little force, and at the moment, the transmission shaft assembly can be meshed with the driven shaft assembly, namely the assembly of the driving part is completed. In order to solve the above-mentioned problems, the present embodiment provides a polishing machine, which includes a tooth-protecting corner.

As shown in fig. 1 and 2, the tooth protecting corner includes a shell 100, a transmission assembly 200 and a movement 300, wherein the transmission assembly 200 is disposed in the shell 100, the transmission assembly 200 includes a central shaft 210, and an insert rod 211 is disposed at one end of the central shaft 210; the movement 300 is provided inside the case 100 and an annular slot 310 is provided on the movement 300, and the lever 211 is provided in the annular slot 310 for restricting movement of the movement 300 in a direction perpendicular to the central axis 210. It will be appreciated that the insert rod 211 is located at the center of the end face of the central shaft 210, and the diameter of the insert rod is far smaller than that of the central shaft 210, when the movement 300 rotates, the insert rod 211 is not affected, and can still limit the movement 300 to move in the direction perpendicular to the central shaft 210, and meanwhile, the movement 300 is limited in the axial direction of the central shaft 210 by being matched with other components, so that the relative position of the movement 300 can be fixed, and in the process of disassembly and assembly, the movement 300 can be disassembled only by extracting the central shaft 210, so that the method is quick and simple, and the components are not damaged.

Alternatively, as shown in fig. 3, the casing 100 includes a front casing 110 and a rear casing 120 fixedly connected to the front casing 110, the movement 300 is disposed in the front casing 110 and one end is exposed outside the front casing 110, and the central shaft 210 is disposed through the interiors of the front casing 110 and the rear casing 120. In detail, the fixed connection between the front shell 110 and the rear shell 120 may be a screw connection, an external screw thread is provided on the front shell 110, and an internal screw thread engaged with the external screw thread is provided on the rear shell 120. In other embodiments, the front shell 110 and the rear shell 120 may be fixedly connected by a snap fit or the like.

The front shell 110 is provided with a mounting cavity 111 inside, the movement 300 is vertically disposed in the mounting cavity 111, and one end of the movement 300 is exposed outside the mounting cavity 111 for connecting with a polishing head or a polishing assembly.

Optionally, as shown in fig. 2, the transmission assembly 200 further includes a first support member 220 disposed on the central shaft 210, where the first support member 220 is annular, and a positioning hole 130 is disposed at a connection between the front shell 110 and the rear shell 120, and the first support member 220 is disposed in the positioning hole 130. It is understood that the first supporting member 220 is disposed at a middle position of the central shaft 210 to support the central shaft 210, and the height of the positioning hole 130 is slightly greater than or equal to the thickness of the first supporting member 220 because the central shaft 210 rotates.

Further, as shown in fig. 2, the tooth protecting corner further includes a polishing cup 400, an assembly portion 320 is disposed on an end of the movement 300 exposed outside the front shell 110, and the polishing cup 400 is fixed on the assembly portion 320.

In detail, the polishing cup 400 may be fixed on the assembly portion 320 in various fixing manners, and in this embodiment, a threaded connection is selected, an internal thread is disposed in the polishing cup 400, an external thread is disposed on the assembly portion 320, and the two threads are matched to achieve fixing. In other embodiments, the polishing cup 400 and the fitting portion 320 may be connected and fixed by a pin by providing pin holes at corresponding positions of the polishing cup 400 and the fitting portion 320.

Alternatively, as shown in fig. 2 and 3, a plug shaft 330 is provided at an end of the movement 300 remote from the fitting portion 320, a jack 112 is provided at a top surface of an inside of the front case 110, and the plug shaft 330 is provided in the jack 112 for restricting movement of the movement 300 in an axial direction of the center shaft 210. In detail, the insertion hole 112 is provided at the top surface of the mounting cavity 111.

Optionally, as shown in fig. 2, a driving gear 212 is further disposed at an end of the central shaft 210 where the insert rod 211 is disposed, and a driven gear 340 is disposed on the movement 300, where the driving gear 212 is meshed with the driven gear 340, so that external power can be transmitted to the movement 300 through the central shaft 210, thereby driving the polishing cup 400 to rotate for polishing.

It can be appreciated that, since the central shaft 210 and the movement 300 are disposed perpendicular to each other, if the central shaft 210 rotates in the lateral direction, the movement 300 can be driven to rotate in the vertical direction, and the movement 300 drives the polishing cup 400 connected thereto to rotate.

Notably, the movement 300, the insertion shaft 330, the fitting portion 320, and the driven gear 340 are all coaxially disposed.

Optionally, as shown in fig. 2, the transmission assembly 200 further includes a second support member 230 disposed on the central shaft 210, the second support member 230 also having a ring shape, and the second support member 230 being located between the first support member 220 and the driving gear 212. It will be appreciated that, in addition to the supporting function of the second supporting member 230, the friction loss between the central shaft 210 and the shell 100 can be reduced, so as to improve the transmission efficiency, and meanwhile, the stability of the transmission system can be improved.

It should be noted that the central shaft 210, the inserting shaft 330, the driving gear 212, the first supporting member 220 and the second supporting member 230 are all coaxially disposed.

The working principle of the tooth protection bent angle provided by the embodiment is specifically as follows:

after the central shaft 210 is forced to rotate, the central shaft 210 is meshed with the driven gear 340 through the driving gear 212, the central shaft 210 drives the movement 300 to rotate, and the movement 300 is connected with the polishing cup 400, so that the polishing cup 400 is driven by the movement 300 to rotate, and the rotating polishing cup 400 can polish teeth.

The mounting steps of the tooth protection bent angle provided by the embodiment are specifically as follows:

the first step: the movement 300 is mounted inside the front case 110, and the insertion shaft 330 at the end of the movement 300 is inserted into the insertion hole 112 at the inner top surface of the front case 110, thereby securing the horizontal position of the movement 300.

And a second step of: the central shaft 210 is inserted into the front case 110 from the side, the insert bar 211 on the central shaft 210 is inserted into the annular slot 310 on the movement 300, thereby securing the movement 300 to be fixed in the vertical direction, and the driving gear 212 on the central shaft 210 is engaged with the driven gear 340 on the movement 300, while the first supporting member 220 is just in the positioning hole 130.

In a third step, the rear housing shell 120 is coupled with the front housing shell 110 while the first supporting member 220 is fixed in the positioning hole 130.

Fourth, the cuvette 400 is fixedly coupled to the fitting portion 320 of the movement 300.

In summary, the tooth protecting corner provided in this embodiment has at least the following advantages: in this embodiment, the annular slot 310 is disposed on the movement 300, meanwhile, the insert rod 211 is disposed at one end of the central shaft 210, the insert rod 211 is disposed in the annular slot 310 to limit movement of the movement 300 in the vertical direction, and meanwhile, the movement 300 can be fixed in relative position by matching with other structures.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A tooth care corner, comprising a shell, characterized in that it further comprises:

2. The tooth care corner as claimed in claim 1, wherein the shell comprises a front shell and a rear shell fixedly connected with the front shell, the movement is arranged in the front shell, one end of the movement is exposed out of the front shell, and the central shaft penetrates through the interiors of the front shell and the rear shell.

3. The tooth care corner as claimed in claim 2, further comprising a first support element arranged on the central shaft, wherein a positioning hole is arranged at the joint of the front shell and the rear shell, and the first support element is arranged in the positioning hole.

4. A tooth bar according to claim 3, further comprising a polishing cup, wherein an assembly portion is provided on an end of the core exposed outside the front shell, and the polishing cup is fixed to the assembly portion.

5. A tooth care corner as claimed in claim 4, wherein a plug is provided at an end of the movement remote from the fitting portion, a socket is provided at a top surface of an inner portion of the front shell, and the plug is provided in the socket for restricting movement of the movement in an axial direction of the central shaft.

6. The tooth care corner as claimed in claim 5, wherein a driving gear is further provided at an end of the central shaft provided with the insert rod, a driven gear is provided on the movement, and the driving gear is engaged with the driven gear.

7. The tooth care corner as claimed in claim 6, wherein the movement, the insertion shaft, the fitting portion and the driven gear are all coaxially arranged.

8. The tooth care corner as claimed in claim 6, further comprising a second support member disposed on the central shaft, the second support member being located between the first support member and the driving gear.

9. The tooth care corner as claimed in claim 8, wherein the central shaft, the insert rod, the driving gear, the first support and the second support are all arranged coaxially.

10. A polishing machine comprising a tooth care corner as claimed in any one of claims 1 to 9.