CN216754648U

CN216754648U - Orthodontic expander

Info

Publication number: CN216754648U
Application number: CN202123441913.1U
Authority: CN
Inventors: 李洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-17
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an orthodontic expander which comprises an upper rotating plate, wherein the upper rotating plate is hinged with a lower rotating plate, the inner top end of the upper rotating plate is fixedly connected with an inner arc plate, the side wall of the inner arc plate is fixedly connected with a rotating assembly, the inner arc plate is driven by the rotating assembly to be provided with a rotating shaft, the inner bottom end of the lower rotating plate is fixedly connected with an outer arc plate, the rotating shaft penetrates through the outer arc plate and is rotatably connected with the outer arc plate, the end part of the rotating shaft is fixedly connected with a supporting block, the outer wall of the supporting block is fixedly connected with a limiting assembly, and the supporting block is matched with the outer arc plate through the limiting assembly.

Description

Orthodontic expander

Technical Field

The utility model relates to the field of orthodontic equipment, in particular to an orthodontic expander.

Background

The oral cavity is the initial part of the alimentary canal, the front part is communicated with the outside through cleft of the mouth, the back part is continued with the pharynx through the angina, the oral cavity is provided with organs such as teeth, tongue and the like, the front wall of the oral cavity is provided with structures such as lips, side walls, cheeks, tops, oral cavity bottoms, mucous membranes, muscles and the like, the oral cavity is divided into an oral vestibule at the front outer side part and an inherent oral cavity at the back inner side part through an upper dental arch and a lower dental arch, and the oral cavity has problems or needs to be provided with an oral cavity expander when the teeth are deformed and corrected.

At present, the existing orthodontic expander usually adopts a spring clip type expander, an operator needs to hold a handle for a long time to keep the orthodontic expander in an expanding state, the operator is inconvenient to treat a patient, and the experience of the patient is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an orthodontic expander, and aims to solve the problems that the existing orthodontic expander in the background technology is usually a spring clamp type expander, an operator needs to hold a handle for a long time to keep the expander in an expanded state, the treatment of the patient is inconvenient for the operator, and the experience of the patient is poor.

The purpose of the utility model can be realized by the following technical scheme:

just abnormal expanding device that uses, including last commentaries on classics board, it has lower commentaries on classics board to go up the commentaries on classics board articulated, arc in the top fixedly connected with of going up the commentaries on classics inboard, interior arc lateral wall fixedly connected with runner assembly, and interior arc has the pivot through the runner assembly drive, bottom fixedly connected with outer arc board in the lower commentaries on classics board, the pivot runs through outer arc board and rotates with it and be connected, pivot tip fixedly connected with supporting shoe, the spacing subassembly of supporting shoe outer wall fixedly connected with, and the supporting shoe cooperatees with outer arc board through spacing subassembly, spacing subassembly includes the spring of fixed connection at the supporting shoe outer wall, and the one end fixedly connected with activity bolt of spring.

As a further scheme of the utility model: the side walls of the upper rotating plate and the lower rotating plate are fixedly connected with supporting rods, sponge balls are sleeved on the outer walls of the supporting rods, and through grooves are formed in the outer walls of the upper rotating plate and the lower rotating plate corresponding to the outer arc-shaped plates.

As a further scheme of the utility model: the end part of the upper rotating plate is fixedly connected with a group of connecting blocks, the end part of the lower rotating plate is fixedly connected with a fixing block, and the end part of the fixing block is hinged with the connecting blocks.

As a further scheme of the utility model: the rotating assembly comprises a rack fixedly connected to the side wall of the inner arc-shaped plate, the rack is meshed with a gear, and the end part of the gear is fixedly connected with the rotating shaft.

As a further scheme of the utility model: the bearing sleeve is arranged at the joint of the rotating shaft and the outer arc plate, the bearing sleeve is positioned in the outer arc plate and fixedly connected with the outer arc plate, and the outer wall of the rotating shaft is rotatably connected with the bearing sleeve.

As a further scheme of the utility model: the movable bolt penetrates through the supporting block, the supporting block is provided with a through hole corresponding to the movable bolt, the outer wall of the outer arc-shaped plate is provided with a plurality of limiting holes, and the end part of the supporting block is attached to the limiting holes.

The utility model has the beneficial effects that:

when the sponge ball of upper and lower both sides reachd patient's palate, loosen the activity and tie, under the effect of spring, the activity is tied and is inserted again in the spacing hole of outer arc-shaped plate, the angle of sponge ball is fixed this moment, make things convenient for the operator to treat patient's oral cavity, the angle that needs manual control sponge ball has been avoided, and when the patient is uncomfortable, only need outwards extract the activity and tie, the patient is when closed cavity, make two sponge balls be close to each other, and make the board of transferring to and the lower revolving plate be close to each other, the travelling comfort of patient when accepting the treatment has been improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the present invention at A;

fig. 4 is a cross-sectional view of the present invention.

In the figure: 1. an upper rotating plate; 2. a support bar; 3. a sponge ball; 4. connecting blocks; 5. a fixed block; 6. a lower rotating plate; 7. an outer arc plate; 8. a through groove; 9. a limiting component; 901. a movable bolt; 902. a spring; 10. a support block; 11. a rotating shaft; 12. a limiting hole; 13. a bearing housing; 14. a rotating assembly; 141. a rack; 142. a gear; 15. an inner arc-shaped plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.

As shown in fig. 1-4, the orthodontic expander comprises an upper rotating plate 1, wherein the upper rotating plate 1 is hinged with a lower rotating plate 6, the end part of the upper rotating plate 1 is fixedly connected with a group of connecting blocks 4, the end part of the lower rotating plate 6 is fixedly connected with a fixing block 5, the end part of the fixing block 5 is hinged with the connecting blocks 4, the side walls of the upper rotating plate 1 and the lower rotating plate 6 are both fixedly connected with supporting rods 2, the outer wall of the supporting rod 2 is sleeved with a sponge ball 3, the sponge ball 3 is sleeved at the end part of the supporting rod 2 when in use, the sponge ball 3 is a disposable product, the pollution caused by cross use is avoided, after a patient opens a large mouth, an operator pulls a movable bolt 901 out of a limiting hole 12 on an outer arc plate 7, stretches a spring 902 in the outward pulling process, after the movable bolt 901 is pulled out of the limiting hole 12, the upper rotating plate 1 is not fixed by the lower rotating plate 6, and at the moment, when the upper rotating plate 1 upwards, the upper rotating plate 1 drives the inner arc-shaped plate 15 and the rack 141 to rotate upwards and drives the gear 142, the rotating shaft 11 and the lower rotating plate 6 to rotate downwards, meanwhile, the support rods 2 and the sponge balls 3 on the side walls of the upper rotating plate 1 and the lower rotating plate 6 are far away from each other, when the sponge balls 3 on the upper side and the lower side reach the upper jaw and the lower jaw of a patient, the movable bolt 901 is loosened, under the action of the spring 902, the movable bolt 901 is inserted into the limiting hole 12 of the outer arc-shaped plate 7 again, at the moment, the angle of the sponge ball 3 is fixed, so that an operator can conveniently treat the oral cavity of the patient, the inner arc-shaped plate 15 is fixedly connected to the top end in the upper rotating plate 1, the rotating assembly 14 is fixedly connected to the side wall of the inner arc-shaped plate 15, the rotating shaft 11 is driven by the rotating assembly 14 to the inner arc-shaped plate 15, a bearing sleeve 13 is arranged at the joint of the rotating shaft 11 and the outer arc-shaped plate 7, the bearing sleeve 13 is positioned in the outer arc-shaped plate 7 and fixedly connected to the outer arc-shaped plate, the outer wall of the rotating shaft 11 is rotatably connected with the bearing sleeve 13, the rotating assembly 14 comprises a rack 141 fixedly connected with the side wall of the inner arc-shaped plate 15, the rack 141 is engaged with the gear 142, the end part of the gear 142 is fixedly connected with the rotating shaft 11, the inner bottom end of the lower rotating plate 6 is fixedly connected with the outer arc-shaped plate 7, the outer walls of the upper rotating plate 1 and the lower rotating plate 6 are provided with through grooves 8 corresponding to the outer arc-shaped plate 7, the rotating shaft 11 penetrates through the outer arc-shaped plate 7 and is rotatably connected with the outer arc-shaped plate 7, the end part of the rotating shaft 11 is fixedly connected with a supporting block 10, the outer wall of the supporting block 10 is fixedly connected with a limiting assembly 9, the supporting block 10 is matched with the outer arc-shaped plate 7 through the limiting assembly 9, the limiting assembly 9 comprises a spring 902 fixedly connected with the outer wall of the supporting block 10, one end of the spring 902 is fixedly connected with a movable bolt 901, the movable bolt 901 penetrates through the supporting block 10, and the supporting block 10 is provided with a through hole corresponding to the movable bolt 901, a plurality of limiting holes 12 are formed in the outer wall of the outer arc-shaped plate 7, the end portion of the supporting block 10 is attached to the limiting holes 12, when a patient is uncomfortable, the movable bolt 901 only needs to be pulled out outwards, the patient can close the two sponge balls 3 when the cavity is closed, the upper rotating plate 1 and the lower rotating plate 6 are close to each other, and comfort of the patient in treatment is improved.

The working principle of the utility model is as follows: when the sponge ball 3 is sleeved at the end part of the supporting rod 2, the sponge ball 3 is a disposable product, the pollution caused by cross use is avoided, the sponge ball is placed into a cavity of a patient, after the mouth of the patient is enlarged, an operator pulls the movable bolt 901 out of the limiting hole 12 on the outer arc-shaped plate 7, the spring 902 is stretched in the outward pulling process, when the movable bolt 901 is pulled out of the limiting hole 12, the lower rotating plate 6 does not fix the upper rotating plate 1 any more, at the moment, when the upper rotating plate 1 is rotated upwards, the upper rotating plate 1 drives the inner arc-shaped plate 15 and the rack 141 to rotate upwards and drives the gear 142, the rotating shaft 11 and the lower rotating plate 6 to rotate downwards, meanwhile, the supporting rod 2 and the sponge ball 3 on the side walls of the upper rotating plate 1 and the lower rotating plate 6 are far away from each other, when the sponge balls 3 on the upper side and the lower side reach the upper jaw and the lower jaw of the patient, the movable bolt 901 is loosened, and under the action of the spring 902, the movable bolt 901 is inserted into the limiting hole 12 of the outer arc-shaped plate 7 again, the angle of sponge ball 3 is fixed this moment, makes things convenient for the operator to treat the patient oral cavity, has avoided the angle that needs manual control sponge ball 3, and when the patient is uncomfortable, only needs outwards to extract movable bolt 901, and the patient is when closed cavity for two sponge balls 3 are close to each other, and make and go up commentaries on classics board 1 and lower commentaries on classics board 6 and be close to each other, have improved the travelling comfort of patient when accepting the treatment.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand the utility model for and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The orthodontic expander is characterized by comprising an upper rotating plate (1), wherein the upper rotating plate (1) is hinged with a lower rotating plate (6), the inner top end of the upper rotating plate (1) is fixedly connected with an inner arc-shaped plate (15), the side wall of the inner arc-shaped plate (15) is fixedly connected with a rotating assembly (14), the inner arc-shaped plate (15) is driven by the rotating assembly (14) to form a rotating shaft (11), the inner bottom end of the lower rotating plate (6) is fixedly connected with an outer arc-shaped plate (7), the rotating shaft (11) penetrates through the outer arc-shaped plate (7) and is rotatably connected with the outer arc-shaped plate, the end part of the rotating shaft (11) is fixedly connected with a supporting block (10), the outer wall of the supporting block (10) is fixedly connected with a limiting assembly (9), the supporting block (10) is matched with the outer arc-shaped plate (7) through the limiting assembly (9), the limiting assembly (9) comprises a spring (902) fixedly connected with the outer wall of the supporting block (10), and one end of the spring (902) is fixedly connected with a movable bolt (901).

2. The orthodontic expander according to claim 1, wherein the side walls of the upper rotating plate (1) and the lower rotating plate (6) are fixedly connected with a support rod (2), the outer wall of the support rod (2) is sleeved with a sponge ball (3), and the outer walls of the upper rotating plate (1) and the lower rotating plate (6) are provided with through grooves (8) corresponding to the outer arc plates (7).

3. The orthodontic expander according to claim 1, wherein a group of connecting blocks (4) are fixedly connected to the end of the upper rotating plate (1), a fixing block (5) is fixedly connected to the end of the lower rotating plate (6), and the end of the fixing block (5) is hinged to the connecting blocks (4).

4. The orthodontic expander according to claim 1, wherein the rotating assembly (14) comprises a rack (141) fixedly connected to the side wall of the inner arc-shaped plate (15), the rack (141) is engaged with a gear (142), and the end of the gear (142) is fixedly connected with the rotating shaft (11).

5. The orthodontic expander according to claim 1, wherein a bearing sleeve (13) is arranged at the joint of the rotating shaft (11) and the outer arc plate (7), the bearing sleeve (13) is positioned in the outer arc plate (7) and fixedly connected with the outer arc plate, and the outer wall of the rotating shaft (11) is rotatably connected with the bearing sleeve (13).

6. The orthodontic expander according to claim 1, wherein the movable bolt (901) penetrates through the supporting block (10), a through hole is formed in the supporting block (10) corresponding to the movable bolt (901), a plurality of limiting holes (12) are formed in the outer wall of the outer arc plate (7), and the end of the supporting block (10) is attached to the limiting holes (12).