CN112603568A

CN112603568A - Multifunctional appliance for orthodontics

Info

Publication number: CN112603568A
Application number: CN202011580324.9A
Authority: CN
Inventors: 张珂; 白玉兴; 吕绳漪; 岳世超; 戴子翔
Original assignee: Beijing Stomatological Hospital
Current assignee: Beijing Stomatological Hospital
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-06
Anticipated expiration: 2040-12-28
Also published as: CN112603568B

Abstract

The invention discloses a multifunctional orthodontic device for oral orthodontics, which comprises an arch wire and a fixing component. There are multiple sets of the arch wire and the fixing component, and both ends of each arch wire are provided with threaded posts. The inner side of the threaded post and on the outer circumferential wall of the arch wire are provided with two symmetrically arranged limiting protruding strips, and the fixing component and the arch wire are arranged at intervals; the fixing component includes a protective cover, a top cover, a bottom plate, a pressure pad and a gear drive The protective cover, the top cover, the bottom plate and the pressure pad are arranged in order from top to bottom, the pressure pad is made of elastic metal material, and a telescopic protective sleeve is arranged between the circumference of the pressure pad and the circumference of the bottom plate; the gear drive assembly is arranged in Between the top cover and the bottom plate, the two ends of the gear drive assembly are provided with threaded sleeves for lining the threaded posts on the arch wire, and the displacement of the arch wire is realized by thread adjustment between the threaded sleeves and the threaded posts, and the two ends of the arch wire are The threads on the threaded post are set in reverse. Not only the adjustment is stable, the precision is high, but also the beauty is not easy to hurt the oral cavity.

Description

Multifunctional appliance for orthodontics

Technical Field

The invention belongs to the technical field of orthodontic treatment, and particularly relates to a multifunctional orthodontic corrector.

Background

Orthodontics is the process of straightening teeth with malformed teeth by various oral techniques. The purposes of beautiful appearance, healthy function and stable dentition are achieved. At present, orthodontic treatment is mainly faced by children and adolescents. With the spread of orthodontic knowledge, more and more adults are also joining the teams of orthodontic treatment.

The existing metal appliance needs to be correspondingly adjusted after being worn for a period of time, but the existing metal appliance is not convenient to adjust, the adjusting steps are complex, the workload of doctors can be increased, and the using requirements of hospitals cannot be met.

Application number CN202010531684.3 discloses a multifunctional corrector for orthodontics, which comprises a fixing assembly and an arch wire connected with the fixing assembly, wherein the fixing assembly and the arch wire are provided with a plurality of groups, two ends of the arch wire are connected with the fixing assembly, the fixing assembly and the arch wire are arranged at intervals, and two ends of the arch wire are fixedly connected with clamping blocks; the fixing component comprises a top cover, a bottom plate, a connecting pad, a limiting plate, a limiting piece, a connecting seat, a connecting block, a first fastener, a second fastener, a clamping plate, a connecting rod and a first bolt; the bottom end of the top cover is connected with the upper end face of the bottom plate, the lower end face of the bottom plate is provided with a limiting groove for mounting a limiting plate, a connecting pad is fixedly mounted on the lower end face of the limiting plate, the connecting pad is fixedly connected with the bottom plate through a third bolt, and the top cover is fixedly connected with the bottom plate through a second bolt; the top cover has a cavity therein. The multifunctional appliance for orthodontics has the advantages of reasonable design and convenient adjustment. Although the patent overcomes the defects of the problems in the prior art, the design still has great defects, firstly, the design adopts a mode of rotating the bolt of the thread of the jack connecting seat to adjust the bolt, the arch wire cannot be fixed by the adjustment, and the bolt is loosened and reversed if the bolt rotates to tighten the arch wire, so that the tightening cannot be realized; secondly, the adjusting precision of the device is insufficient, and the rotating adjusting precision is too low; thirdly, the inner side of the appliance is in a horizontal state, and the outer surface of the teeth is in a circular arc shape, so that the teeth cannot be attached to the teeth, and gaps are easily generated to cause the interior of the appliance to be filled with food; fourth, the device has sharp corners at the outer four corners, which can easily damage the mouth and cause poor aesthetics when the appliance is used due to the color mismatch between the appliance and the teeth.

Disclosure of Invention

The invention aims to provide a multifunctional orthodontic appliance to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the multifunctional corrector for orthodontics comprises arch wires and fixing assemblies, wherein the arch wires and the fixing assemblies are respectively provided with a plurality of groups, two ends of each arch wire are respectively provided with a threaded column, two symmetrically-arranged limiting convex strips are respectively arranged on the inner side of the threaded column of each arch wire and positioned on the outer circumferential wall of each arch wire, and the fixing assemblies and the arch wires are arranged at intervals;

the fixing assembly comprises a protective cover, a top cover, a bottom plate, a pressure pad and a gear driving assembly, the protective cover, the top cover, the bottom plate and the pressure pad are sequentially arranged from top to bottom, the pressure pad is made of elastic metal materials, and a telescopic protective sleeve is arranged between the periphery of the pressure pad and the periphery of the bottom plate;

the gear driving assembly is arranged between the top cover and the bottom plate, threaded sleeves used for sleeving threaded columns on the arch wire are arranged at two ends of the gear driving assembly, the displacement of the arch wire is realized between the threaded sleeves and the threaded columns through thread adjustment, and threads on the threaded columns at two ends of the arch wire are arranged oppositely.

Furthermore, the gear driving component comprises a fixed base, a first gear, a second gear, a first rotating shaft, a second rotating shaft, two first installation seats, two second installation seats, two first bearing seats and two second bearing seats, wherein the fixed base is fixed at the bottom end inside the bottom plate through fastening bolts, the first installation seats are arranged at the top end of the fixed base and are positioned at two sides along the length direction of the arch wire, the two first bearing seats are respectively arranged at the top end of the first installation seats, the first rotating shaft is arranged between the two first bearing seats, the first gear is sleeved on the first rotating shaft, the two second installation seats are fixedly arranged at one side between the two first installation seats, the two second installation seats are vertically arranged, the second installation seat at the bottom is arranged at the top end of the fixed base, and the first installation seat at the top end and the top cover are fixed through a second fastening screw, the two second bearing seats are respectively arranged on the inner sides of the second mounting seats, the second rotating shaft is arranged between the two second bearing seats, and the second gear is arranged on the second rotating shaft.

Furthermore, the two first installation bases are fixedly connected with the fixed base, the first rotating shaft is rotatably connected with the two first installation bases through a first bearing seat, the outer circumferential wall of the first bearing seat is fixedly connected with the first installation bases, the inner circumferential wall of the first bearing seat is fixedly connected with the first rotating shaft, and the first rotating shaft is fixedly connected with the first gear.

Furthermore, a second mounting seat positioned at the bottom is fixedly connected with the fixed base, an outer circumferential wall of the second bearing seat is fixedly connected with the second mounting seat, an inner circumferential wall of the second bearing seat is fixedly connected with a second rotating shaft, and the second rotating shaft is fixedly connected with a second gear.

Furthermore, the first gear and the second gear are mutually meshed, and the two threaded sleeves are respectively fixed at two ends of the first rotating shaft extending out of the first mounting seat; the top of second pivot runs through out the second bearing frame and is connected with the regulation head, the top of top cap is equipped with the regulation circular slot that supplies the regulation head rotatory, adjust the circular slot and adjust and rotate between the head and be connected, fixed connection between regulation head and the second pivot.

Furthermore, four edges of the top end of the top cover are provided with avoidance grooves for the protective covers to be connected in an inserting mode, four corners of the top end of the top cover are designed in an arc shape, the protective covers and the top cover are fixed through two first fastening screws, and the top cover is provided with a coating layer which is the same as the teeth in color.

Further, it is fixed through third fastening bolt between top cap and the bottom plate, four corners of top cap all are equipped with the screw thread adjustment tank, four inside corners of bottom plate are equipped with the cylinder thread groove that corresponds the setting with the screw thread adjustment tank, and the cylinder thread groove runs through the bottom of bottom plate, are equipped with the adjusting screw who runs through cylinder thread groove bottom in the screw thread adjustment tank, the bottom and the pressure pad laminating of adjusting screw, equal fixed connection between every cylinder thread groove and the bottom plate, it is fixed through fourth fastening screw between bottom plate and the pressure pad, the both sides of pressure pad bottom are equipped with the arc surface with the laminating of tooth phase-match, and the both ends of pressure pad are passed through the adjusting screw and are adjusted.

Furthermore, through holes for extending two ends of the arch wire are formed in two sides between the top cover and the bottom plate, two limiting grooves are formed in the inner circumferential wall of each through hole and are respectively located on the top cover and the bottom plate, two limiting convex strips matched with the limiting grooves are arranged on one side, close to the threads, of the outer circumferential wall of the arch wire, and sealing gaskets are arranged between the two through holes and the arch wire.

Furthermore, the protective cover is arranged outside the two first fastening screws and is provided with a protective buckle, and the protective buckle is inserted in the protective cover at the first fastening screws.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the adjusting head is rotated by the cross screwdriver to drive the second rotating shaft to rotate, the second rotating shaft drives the second gear to rotate, so that the first gear is driven to rotate, the first rotating shaft is driven to rotate by the rotation of the first gear, so that the threaded sleeves on two sides are driven to rotate, and the threaded columns are driven to simultaneously move towards the inner side or the outer side by the rotation of the threaded sleeves because the two arch wire threaded columns are oppositely arranged, so that the arch wire is adjusted.

2. According to the invention, the bottom of the bottom plate is provided with the pressure pad, the contact surface of the pressure pad and the teeth is provided with the arc surface, the two ends of the pressure pad are respectively provided with the two adjusting screws, after the installation is finished, the distance between the pressure pad and the teeth can be adjusted by rotating the adjusting screws, so that the pressure pad is tightly attached to the tooth surface, food is effectively prevented from being filled between the teeth and the fixing component, and the elastic protective cover is arranged around the position between the pressure pad and the bottom plate, so that no gap is generated between the bottom plate and the pressure pad.

3. According to the invention, the protective cover is arranged at the top end of the top cover, and the periphery of the protective cover adopts the arc surface design, so that the oral cavity is effectively prevented from being injured by the sharp corners of the appliance, the protective shell is designed to have the same color as the teeth, the protective buckle is arranged outside the first fastening screw, and the color of the protective buckle is the same as that of the protective cover, so that the appliance is not easy to find by an outsider, and the attractiveness of the appliance is greatly improved.

Drawings

FIG. 1 is a schematic structural view of a multifunctional orthodontic appliance of the present invention;

FIG. 2 is a perspective view of a fixing assembly of the multi-functional orthodontic appliance of the present invention;

FIG. 3 is a partial perspective view of a first embodiment of a fixing assembly of the multi-functional orthodontic appliance of the present invention;

FIG. 4 is an enlarged view of the multifunctional orthodontic appliance of the present invention at the point A;

FIG. 5 is a partial perspective view of a second embodiment of a fixing assembly of the multi-functional orthodontic appliance of the present invention;

FIG. 6 is a partial perspective view of a fixing assembly of the multi-functional orthodontic appliance of the present invention;

FIG. 7 is a perspective view of a gear drive assembly of the multi-functional orthodontic appliance of the present invention;

FIG. 8 is a sectional view of a pressure pad and an adjusting screw of the multifunctional appliance for orthodontics according to the present invention;

fig. 9 is a perspective view of a protective button of the multifunctional orthodontic appliance of the present invention.

The reference numerals are explained below:

in the figure: 1. an arch wire; 11. limiting convex strips; 111. a threaded post; 2. a fixing assembly; 21. a protective cover; 211. a first fastening screw; 22. a top cover; 221. a thread adjusting groove; 222. adjusting screws; 223. adjusting the circular groove; 224. an adjustment head; 225. a second fastening screw; 226. an avoidance groove; 227. a third fastening screw; 23. a base plate; 231. a cylindrical thread groove; 232. fastening a bolt; 24. a pressure pad; 241. a telescopic protective sleeve; 242. a fourth fastening screw; 25. a through hole; 251. a limiting groove; 26. a gear drive; 261. a first gear; 262. a second gear; 263. a first rotating shaft; 264. a second rotating shaft; 265. a first mounting seat; 266. a second mounting seat; 267. a first bearing housing; 268. a second bearing housing; 269. a fixed base; 260. a threaded sleeve; 27. and (6) a protective buckle.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-9, the present invention provides a technical solution: a multifunctional corrector for orthodontics comprises arch wires 1 and fixing components 2, wherein the arch wires 1 and the fixing components 2 are respectively provided with a plurality of groups, two ends of each arch wire 1 are respectively provided with a threaded column 111, two limiting convex strips 11 which are symmetrically arranged are arranged on the inner sides of the threaded columns 111 of the arch wires 1 and positioned on the outer circumferential wall of each arch wire 1, and the fixing components 2 and the arch wires 1 are arranged at intervals;

the fixing component 2 comprises a protective cover 21, a top cover 22, a bottom plate 23, a pressure pad 24 and a gear driving component 26, wherein the protective cover 21, the top cover 22, the bottom plate 23 and the pressure pad 24 are sequentially arranged from top to bottom, the pressure pad 24 is made of elastic metal materials, and a telescopic protective sleeve 241 is arranged between the periphery of the pressure pad 24 and the periphery of the bottom plate 23;

the gear driving component 26 is arranged between the top cover 22 and the bottom plate 23, the two ends of the gear driving component 26 are provided with threaded sleeves 260 for sleeving the threaded columns 111 on the arch wire 1, the displacement of the arch wire 1 is realized between the threaded sleeves 260 and the threaded columns 111 through thread adjustment, and the threads on the threaded columns 111 at the two ends of the arch wire 1 are oppositely arranged.

In an embodiment, the gear driving assembly 26 includes a fixed base 269, a first gear 261, a second gear 262, a first rotating shaft 263, a second rotating shaft 264, two first installation seats 265, two second installation seats 266, two first bearing seats 267, and two second bearing seats 268, the fixed base 269 is fixed at the bottom end inside the bottom plate 23 by fastening bolts 232, the first installation seats 265 are disposed at the top end of the fixed base 269 and located at both sides along the length direction of the archwire 1, the two first bearing seats 267 are respectively disposed at the top end of the first installation seats 265, the first rotating shaft 263 is disposed between the two first bearing seats 267, the first gear 261 is sleeved on the first rotating shaft 263, the two second installation seats 266 are fixedly disposed at one side between the two first installation seats 265, and the two second installation seats 266 are vertically disposed, the second installation seat 266 located at the bottom end of the fixed base 269 is fixed between the first installation seat 265 located at the top end and the top cover 22 by a second fastening screw 225, two second bearing seats 268 are respectively arranged at the inner sides of the second installation seats 266, the second rotating shaft 264 is arranged between the two second bearing seats 268, the second gear 262 is arranged on the second rotating shaft 264, the two first installation seats 265 are fixedly connected with the fixed base 269, the first rotating shaft 263 is rotatably connected with the two first installation seats 265 through the first bearing seats 267, the outer circumferential wall of the first bearing seat 267 is fixedly connected with the first installation seat 265, the inner circumferential wall of the first bearing seat 267 is fixedly connected with the first rotating shaft 263, the first rotating shaft 263 is fixedly connected with the first gear 261, the second installation seat 266 at the bottom is fixedly connected with the fixed base 269, the outer circumferential wall of the second bearing 268 is fixedly connected with the second installation seat 266, the inner circumferential wall of the second bearing seat 268 is fixedly connected with the second rotating shaft 264, and the second rotating shaft 264 is fixedly connected with the second gear 262, the first gear 261 and the second gear 262 are engaged with each other, and the two thread sleeves 260 are respectively fixed at two ends of the first rotating shaft 263, which extend out of the first mounting seat 265; the top end of the second rotating shaft 264 penetrates out of the second bearing seat 268 and is connected with an adjusting head 224, the top end of the top cover 22 is provided with an adjusting circular groove 223 for the adjusting head 224 to rotate, the adjusting circular groove 223 is rotatably connected with the adjusting head 224, the adjusting head 224 is fixedly connected with the second rotating shaft 264, the second rotating shaft 264 is driven to rotate by rotating the adjusting head 224 through a cross screwdriver, the second rotating shaft 264 rotates to drive the second gear 262 to rotate, so as to drive the first gear 261 to rotate, the first rotating shaft 263 is driven to rotate through the rotation of the first gear 261, so that the threaded sleeves 260 on two sides are driven to rotate, due to the fact that the two arch wire 1 threaded columns 111 are oppositely arranged, the threaded columns 111 are driven to simultaneously move towards the inner side or towards the outer side through the rotation of the threaded sleeves 260, the adjustment of the arch wire 1 is realized, the existing bolt rotation adjustment is replaced by the precise adjustment of the, not only improves the adjustment precision, but also can not cause the loosening and adjusting between the two arch wires due to overlarge pulling force because of the loosening of the bolt, thereby solving the problem that the adjustment cannot be realized because of the loosening of the bolt and greatly improving the adjustment precision.

In the embodiment, the four edges of the top end of the top cover 22 are provided with the avoidance grooves 226 for the insertion of the protective cover 21, the four corners of the top end of the top cover 22 are designed in an arc shape, the protective cover 21 and the top cover 22 are fixed by two first fastening screws 211, the top cover 22 is provided with a coating layer with the same color as that of teeth, the protective cover 21 is provided with the protective buckles 27 outside the two first fastening screws 211, the protective buckles 27 are inserted at the positions of the first fastening screws 211 of the protective cover 21, the protective cover 21 is arranged at the top end of the top cover 22, and the circumference of the protective cover 21 adopts the design of the arc surface, thereby effectively preventing the four corners of the appliance from hurting the oral cavity due to over sharp points, and the protective cover 21 is designed to have the same color as the teeth, and a protective button is provided outside the first fastening screw 211, and the color of the protective button is the same as the color of the 21-layer coating of the protective cover, so that the corrector is not easy to be found by outsiders, and the attractiveness of the corrector is greatly improved.

In the embodiment, the top cover 22 and the bottom plate 23 are fixed by the third fastening bolt 227, the four corners of the top cover 22 are provided with the thread adjusting grooves 221, the four corners inside the bottom plate 23 are provided with the cylindrical thread grooves 231 correspondingly arranged with the thread adjusting grooves 221, the cylindrical thread grooves 231 penetrate through the bottom of the bottom plate 23, the adjusting screws 222 penetrating through the bottoms of the cylindrical thread grooves 231 are arranged in the thread adjusting grooves 221, the bottoms of the adjusting screws 222 are attached to the pressure pad 24, and each cylindrical thread groove 231 is fixedly connected with the bottom plate 23.

Embodiment, it is fixed through fourth fastening screw 242 between bottom plate 23 and the pressure pad 24, the both sides of pressure pad 24 bottom are equipped with the arc surface of laminating with the tooth phase-match, and the both ends of pressure pad 24 are adjusted through adjusting screw 222, through set up pressure pad 24 in the bottom of bottom plate 23, and set up the arc surface through the contact surface department at pressure pad 24 and tooth, and set up two adjusting screw 222 respectively at the both ends of pressure pad, after the installation is accomplished, the distance between accessible rotation adjusting screw 222 regulation pressure pad and the tooth, in order to guarantee to reach the inseparable laminating of pressure pad 24 and tooth flank, effectually avoid filling with food between tooth and the fixed subassembly, and set up flexible safety cover 241 around between pressure pad 24 and bottom plate 23, make can not produce the gap between its bottom plate 23 and the pressure pad 24

In the embodiment, through holes 25 for extending two ends of the arch wire 1 are formed in two sides between the top cover 22 and the bottom plate 23, two limiting grooves 251 are formed in the inner circumferential wall of each through hole 25, the two limiting grooves 251 are respectively located on the top cover 22 and the bottom plate 23, two limiting convex strips 11 matched with the limiting grooves 251 for use are arranged on one side, close to threads, of the outer circumferential wall of the arch wire 1, sealing gaskets are arranged between the two through holes 25 and the arch wire 1, and the threaded columns 111 cannot rotate along with the rotation of the threaded sleeves 260 through the matching of the arranged limiting grooves 251 and the limiting convex strips 11.

The operation process comprises the following steps: when the invention is used, a doctor firstly selects the fixing components 2 and the arch wires 1 with corresponding quantity according to the distance and the number of the teeth of a patient, and then assembles the selected fixing components 1 and the arch wires 2;

firstly, rotating a threaded column 111 corresponding to the outer end of an arch wire 1 into a threaded sleeve 260, enabling the arch wire 1 to correspond to each through hole 25, enabling a limiting groove 251 in each through hole 25 to correspond to a limiting convex strip 11 on the arch wire 1, then installing a gear driving assembly 26 at the bottom end in a bottom plate 23 through a fixing base 269, fixing a top cover 22 with the bottom plate through a third fastening screw 227 after fixing is completed, then correspondingly installing an adjusting screw 222, and repeating the steps until the installation is completed;

bending the assembled fixing components 2 and the arch wire 1 into an arc shape to be attached to the teeth of a patient as much as possible, then adhering a plurality of groups of fixing components 2 to the teeth of the patient in sequence by using a dental special adhesive, correspondingly adjusting the distance of the arch wire 1 between two adjacent groups of fixing components 2 when adhering one group of fixing components 2, rotating the adjusting head 224 clockwise by using a cross screwdriver to drive the second rotating shaft 264 to rotate, rotating the second rotating shaft 264 to drive the second gear 262 to rotate so as to drive the first gear 261 to rotate, driving the first rotating shaft 263 to rotate through the rotation of the first gear 261 so as to drive the thread sleeves 260 on two sides to rotate, driving the thread columns 111 on two sides to simultaneously move towards the inner side or towards the outer side through the rotation of the thread sleeves 260 because the two thread columns 111 of the arch wire 1 are oppositely arranged, thereby realizing the adjustment of the arch wire 1, and replacing the existing bolt rotation adjustment by the precise adjustment of the thread, not only improved the precision of regulation, also can not make because the bolt is not hard up between arch wire 1 and the fixed subassembly 2 because the pulling force is too big and produce not hard up adjustment, if the distance is too short, anticlockwise rotation can, solved because of the bolt is not hard up can't realize the regulation, improved the precision of regulation moreover greatly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multifunctional orthodontic appliance for orthodontics, comprising an arch wire (1) and a fixing assembly (2), characterized in that: the arch wire (1) and the fixing assembly (2) are provided with multiple groups, and Both ends of each arch wire (1) are provided with threaded posts (111), and two symmetrically arranged on the inner side of the threaded posts (111) of the arch wire (1) and on the outer circumferential wall of the arch wire (1) The limiting protruding strip (11) is provided, and the fixing component (2) and the arch wire (1) are arranged at intervals;

The fixing assembly (2) includes a protective cover (21), a top cover (22), a bottom plate (23), a pressure pad (24) and a gear drive assembly (26), and the protective cover (21), the top cover (22) , the bottom plate (23) and the pressure pad (24) are arranged in order from top to bottom, the pressure pad (24) is made of elastic metal material, and a telescopic protection is provided between the circumference of the pressure pad (24) and the circumference of the bottom plate (23). set(241);

The gear drive assembly (26) is arranged between the top cover (22) and the bottom plate (23), and both ends of the gear drive assembly (26) are provided with threaded posts (111) for sleeves on the arch wire (1). A threaded sleeve (260) is provided, and the displacement of the arch wire (1) is realized through thread adjustment between the threaded sleeve (260) and the threaded post (111), and the threads on the threaded posts (111) at both ends of the arch wire (1) are set in opposite directions .

2. A multifunctional orthodontic appliance according to claim 1, characterized in that: the gear drive assembly (26) comprises a fixed base (269), a first gear (261), a second gear ( 262), a first shaft (263), a second shaft (264), two first mounts (265), two second mounts (266), two first bearing seats (267) and two first Two bearing seats (268), the fixing base (269) is fixed on the inner bottom end of the bottom plate (23) by fastening bolts (232), and the first mounting seat (265) is arranged on the top of the fixing base (269) and Located on both sides along the length direction of the arch wire (1), two first bearing seats (267) are respectively provided at the top end of the first mounting seat (265), and the first rotating shafts (263) are provided on the two first bearing seats (267) respectively. Between the bearing seats (267), the first gear (261) is sleeved on the first rotating shaft (263), and the two second mounting seats (266) are fixed between the two first mounting seats (265) one side, and the two second mounts (266) are arranged vertically, the second mount (266) at the bottom is arranged at the top of the fixed base (269), and the first mount (265) at the top is connected to the top of the base (269). The covers (22) are fixed by the second fastening screws (225), the two second bearing seats (268) are respectively arranged on the inner side of the second mounting seat (266), and the second rotating shafts (264) are arranged on the two sides. Between the second bearing seats (268), the second gear (262) is arranged on the second rotating shaft (264).

3. A multifunctional orthodontic appliance according to claim 2, characterized in that: the two first mounting seats (265) are fixedly connected with the fixing base (269), and the first The rotating shaft (263) and the two first mounting seats (265) are rotatably connected through a first bearing seat (267), and the outer circumferential wall of the first bearing seat (267) is fixedly connected with the first mounting seat (265) , the inner circumferential wall of the first bearing seat (267) is fixedly connected with the first rotating shaft (263), and the first rotating shaft (263) is fixedly connected with the first gear (261).

4. The multifunctional orthodontic appliance according to claim 2, characterized in that: the second mounting seat (266) at the bottom is fixedly connected with the fixing base (269), and the second bearing The outer circumferential wall of the seat (268) is fixedly connected with the second mounting seat (266), the inner circumferential wall of the second bearing seat (268) is fixedly connected with the second rotating shaft (264), and the second bearing seat (268) is fixedly connected. The rotating shaft (264) is fixedly connected with the second gear (262).

5. The multifunctional orthodontic appliance according to claim 2, wherein the first gear (261) and the second gear (262) mesh with each other, and the two threaded sleeves (260) are respectively It is fixed on both ends of the first rotating shaft (263) protruding from the first mounting seat (265); the top end of the second rotating shaft (264) penetrates the second bearing seat (268) and is connected with the adjusting head (224), so The top of the top cover (22) is provided with an adjusting circular groove (223) for the adjusting head (224) to rotate, and the adjusting circular groove (223) and the adjusting head (224) are rotatably connected, and the adjusting head (224) ) and the second rotating shaft (264) are fixedly connected.

6 . The multifunctional orthodontic appliance according to claim 1 , wherein the top four edges of the top cover ( 22 ) are provided with escape grooves ( 226), the four corners of the top of the top cover (22) are designed in a circular arc shape, and the protective cover (21) and the top cover (22) are fixed by two first fastening screws (211), so The top cover (22) is provided with a coating of the same color as the teeth.

7 . The multifunctional orthodontic appliance according to claim 1 , wherein the top cover ( 22 ) and the bottom plate ( 23 ) are fixed by a third fastening bolt ( 227 ), so that the The four corners of the top cover (22) are provided with thread adjusting grooves (221), and the four corners inside the bottom plate (23) are provided with cylindrical thread grooves (221) corresponding to the thread adjusting grooves (221). 231), and the cylindrical thread groove (231) runs through the bottom of the bottom plate (23), and an adjusting screw (222) is provided in the thread adjusting groove (221) that penetrates the bottom of the cylindrical thread groove (231). The adjusting screw (222) The bottom of the base plate is fitted with the pressure pad (24), and each cylindrical thread groove (231) is fixedly connected with the bottom plate (23).

8 . The multifunctional orthodontic appliance according to claim 7 , wherein the bottom plate ( 23 ) and the pressure pad ( 24 ) are fixed by a fourth fastening screw ( 242 ). Both sides of the bottom of the pressure pad (24) are provided with arc surfaces that match and fit with the teeth, and both ends of the pressure pad (24) are adjusted by adjusting screws (222).

9 . The multifunctional orthodontic appliance according to claim 1 , wherein two sides for the arch wire ( 1 ) are provided on both sides between the top cover ( 22 ) and the bottom plate ( 23 ). 10 . A through hole (25) protruding from the end, and the inner circumferential wall of the through hole (25) is provided with two limit grooves (251), the two limit grooves (251) are respectively located in the top cover (22) and the On the bottom plate (23), two limiting protruding strips (11) for cooperating with the limiting groove (251) are provided on the side of the outer circumferential wall of the arch wire (1) close to the thread, and the two A sealing gasket is provided in the hole (25) and between the arch wire (1).

10 . The multifunctional orthodontic appliance according to claim 1 , wherein the protective cover ( 21 ) is provided with a protective buckle ( 27 ) outside the two first fastening screws ( 211 ). 11 . , the protection buckle (27) is inserted into the protection cover (21) where the first fastening screw (211) is located.