CN216724791U

CN216724791U - Self-locking special-shaped bracket for correcting dentognathic deformity

Info

Publication number: CN216724791U
Application number: CN202220154311.3U
Authority: CN
Inventors: 徐党军; 俞斌
Original assignee: Hangzhou Chuangya Medical Equipment Co ltd
Current assignee: Hangzhou Chuangya Medical Equipment Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-14
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a self-locking special-shaped bracket for correcting dentognathic deformity, which comprises a bracket base body, a sliding cover, a positioning spring piece and a positioning pin, wherein the sliding cover is provided with a sliding chute and a spring piece positioning groove, the spring piece positioning groove is positioned at one side of the sliding chute of the sliding cover, the positioning spring piece is embedded in the spring piece positioning groove, the bracket base body is provided with an arch wire groove, one side of the arch wire groove is provided with a T-shaped boss, the T-shaped boss and the sliding chute form a single-degree-of-freedom sliding pair, and the moving direction of the sliding pair is vertical to the arch wire groove; the bracket base body is provided with a pin hole vertical to the sliding pair, and the pin hole is matched with the positioning pin; the positioning spring piece comprises a positioning clamping piece and an elastic positioning buckle, the positioning clamping piece is fixedly embedded with the spring piece positioning groove, a gap with limited elastic deformation exists between the elastic positioning buckle and the spring piece positioning groove, and an arc-shaped groove matched with the positioning pin is arranged on the elastic positioning buckle.

Description

Self-locking special-shaped bracket for correcting dentognathic deformity

Technical Field

The utility model relates to an orthodontic appliance, in particular to a self-locking special-shaped bracket for correcting dentognathic deformity.

Background

The self-locking orthodontic bracket is a device which is made of metal or ceramic and the like and fixed on the surface of a tooth by using a special adhesive in orthodontic treatment, and is used for accommodating and fixing an orthodontic arch wire and transmitting orthodontic force to the tooth so as to achieve the aim of orthodontics.

The birth of the self-ligating bracket correction technology brings revolutionary change to the fixed orthodontic technology. The orthodontic treatment is more convenient, and a high-efficiency and fashionable choice is provided for patients; the main advantage of the method is that the frictional resistance between the arch wire and the bracket can be greatly reduced; because it has added a door on holding in the palm the groove, can directly be with just abnormal arch wire locking in the groove in support groove, it is just abnormal the binding of arch wire to have avoided tying arch wire or rubber ring, can effectively reduce materials such as the steel wire of ligature and cause the damage to the peripheral oral cavity soft tissue of tooth, make things convenient for the operation of doctor in the time of fixed support groove simultaneously, current from locking-type support groove not only installs loaded down with trivial details, just orthodontic structure is complicated, and the installation back, the tooth is at the food in-process of chewing, food touches the auto-lock structure in the auto-lock support groove easily, the auto-lock structure can become invalid in the past for a long time.

Disclosure of Invention

In order to solve the problems, the utility model provides the self-locking special-shaped bracket for correcting the dentognathic deformity, which has the advantages of stable sliding and closing and simple structure.

In order to achieve the purpose, the self-locking special-shaped bracket for correcting the dentognathic deformity comprises a bracket base body, a sliding cover, a positioning spring piece and a positioning pin, wherein the sliding cover is provided with a sliding chute and a spring piece positioning groove, the spring piece positioning groove is positioned at one side of the sliding chute of the sliding cover, the positioning spring piece is embedded in the spring piece positioning groove, the bracket base body is provided with an arch wire groove, one side of the arch wire groove is provided with a T-shaped boss, the T-shaped boss and the sliding chute form a single-degree-of-freedom sliding pair, and the movement direction of the sliding pair is vertical to the arch wire groove; the bracket base body is provided with a pin hole vertical to the sliding pair, and the pin hole is matched with the positioning pin; the positioning spring piece comprises a positioning clamping piece and an elastic positioning buckle, the positioning clamping piece and the spring piece positioning groove are mutually embedded and fixed, a gap with limited elastic deformation exists between the elastic positioning buckle and the spring piece positioning groove, an arc-shaped groove matched with the positioning pin is arranged on the elastic positioning buckle, the arc-shaped groove is a circular groove provided with an opening, the opening of the circular groove faces to the opposite end of one end of the positioning clamping piece, and an outward-expanding groove is formed at the tail end of the opening of the arc-shaped groove. The structure has the effects that the assembly design of the positioning spring piece is beneficial to disassembly and assembly and production, the sliding cover controls the movement of the sliding cover through the positioning pin and the positioning spring piece embedded in the positioning groove of the spring piece, and the positioning pin is clamped in the outward expanding groove when the sliding cover and the T-shaped boss are closed.

The further proposal is that a dismounting groove is arranged on the bracket base body, and the dismounting groove is opposite to the sliding pair; the bottom of the bracket base body is provided with a traction hook groove, and the direction of the traction hook groove is consistent with that of the sliding pair. The structure is used for opening the closed sliding pair, and when the sliding pair needs to be opened, the sliding pair can be opened only by inserting a special tool into the disassembling groove to push the sliding cover.

The sliding cover is provided with a sliding groove, the sliding groove is arranged on the bottom of the sliding cover, the sliding groove is in the same direction as the sliding groove, and the bracket base body is provided with a guide strip matched with the bracket base body at a position corresponding to the guide groove. The purpose of the structure is to increase the stability of the slider during sliding.

The sliding cover is provided with a ladder positioning block at one side close to the arch wire groove, and the bracket base body is provided with a clamping groove matched with the ladder positioning block at the position corresponding to the ladder positioning block. The effect of structure is that fix a position the sliding closure when the sliding closure is closed, and because the vice design of sliding between sliding closure and the support groove base member is that the spout is last, the structure of T type boss under leads to this sliding pair unstable, and the sliding closure can rock at gliding in-process, and the design of ladder locating piece and draw-in groove can make its stable in structure after the closure, does not take place to rock.

The self-locking special-shaped bracket for correcting the dentognathic deformity designed by the utility model is additionally provided with the positioning spring piece structure, so that the original integral structure is changed into an assembled structure, the gap between the elastic positioning buckle on the embedded positioning spring piece and the spring piece positioning groove increases the elasticity of the positioning spring piece, the sliding between the positioning pin and the positioning spring piece is easier in the moving process of the sliding cover, and the T-shaped boss forms a support for the positioning spring piece by the structure that the sliding groove is arranged on the upper part and the T-shaped boss is arranged on the lower part, so that the positioning spring piece can not fall off.

Drawings

FIG. 1 is an exploded view of example 1;

FIG. 2 is an assembly view of the slide cover and the spring spacer in embodiment 1;

FIG. 3 is a schematic view showing the structure of the positioning spring plate in embodiment 1;

FIG. 4 is a sectional view of example 1.

1-bracket base body, 2-sliding cover, 3-positioning spring piece, 4-positioning pin, 5-sliding groove, 6-spring piece positioning groove, 7-arch wire groove, 8-T-shaped boss, 9-pin hole, 10-positioning buckle, 11-elastic positioning buckle, 12-arc groove, 13-disassembly groove, 14-guide groove, 15-guide strip, 16-step positioning block,

17-clamping groove and 18-traction hook groove

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Example 1.

As shown in fig. 1-4, the self-locking special-shaped bracket for correcting dentognathic deformity described in this embodiment includes a bracket base 1, a sliding cover 2, a positioning spring plate 3 and a positioning pin 4, wherein the sliding cover 2 is provided with a sliding groove 5 and a spring plate positioning groove 6, the spring plate positioning groove 6 is located at one side of the sliding groove 5 of the sliding cover 2, the positioning spring plate 3 is embedded in the spring plate positioning groove 6, the bracket base 1 is provided with an arch wire groove 7, one side of the arch wire groove 7 is provided with a T-shaped boss 8, the T-shaped boss 8 and the sliding groove 5 form a single-degree-of-freedom sliding pair, and the moving direction of the sliding pair is perpendicular to the arch wire groove 7; the bracket base body 1 is provided with a pin hole 9 vertical to the sliding pair, and the pin hole 9 is matched with the positioning pin 4; the positioning spring piece 3 comprises a positioning clamping piece 10 and an elastic positioning buckle 11, the positioning clamping piece 10 is fixedly embedded with a spring piece positioning groove 6, a gap which is enough for the elastic positioning buckle 11 to have limited elastic deformation exists between the elastic positioning buckle 11 and the spring piece positioning groove 6, an arc-shaped groove 12 which is matched with the positioning pin 4 is arranged on the elastic positioning buckle 11, the arc-shaped groove 12 is a circular groove which is provided with an opening, the opening of the arc-shaped groove faces to the opposite end of one end of the positioning clamping piece 10, and an outward-expanding groove is formed at the tail end of the opening of the arc-shaped groove 12.

The bracket base body 1 is provided with a dismounting groove 13, and the dismounting groove 13 is opposite to the sliding pair; the bottom of the bracket base body 1 is provided with a traction hook groove 18, and the direction of the traction hook groove 18 is consistent with that of the sliding pair. The bottom of the sliding cover 2 is provided with a guide groove 14 with the same direction as the sliding groove 5, and the bracket base body 1 is provided with a guide strip 15 matched with the guide groove 14 at the position corresponding to the guide groove. A step positioning block 16 is arranged on one side of the sliding cover 2 close to the arch wire groove 7, and a clamping groove 17 matched with the step positioning block 16 is arranged on the bracket base body 1 at a position corresponding to the step positioning block 16.

This self-ligating bracket is when the equipment, earlier in the positioning spring piece embedding spring piece constant head tank, then insert T type boss with the spout of sliding closure, and aim at the pinhole on the T type boss with the arc wall in the spring piece constant head tank, then insert the pinhole with the locating pin and insert in the arc wall, after inserting the locating pin, fix the ground of holding in the palm the groove base member on the tooth, place the steel wire in the arch wire inslot again, then promote the sliding closure and make its closure, the locating pin is through the arc wall and the card system is at the flaring inslot this moment, make ladder locating piece card system in the draw-in groove, the installation is accomplished, when needs open the sliding closure, the instrument that uses the special system stretches into the dismantlement inslot and promotes the sliding closure can.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A self-locking special-shaped bracket for correcting dentognathic deformity comprises a bracket base body (1), a slip cover (2), a positioning spring piece (3) and a positioning pin (4), wherein the slip cover (2) is provided with a chute (5) and a spring piece positioning groove (6), and the spring piece positioning groove (6) is positioned on one side of the chute (5) of the slip cover (2), and is characterized in that the positioning spring piece (3) is embedded in the spring piece positioning groove (6), the bracket base body (1) is provided with an arch wire groove (7), one side of the arch wire groove (7) is provided with a T-shaped boss (8), the T-shaped boss (8) and the chute (5) form a sliding pair with single degree of freedom, and the movement direction of the sliding pair is vertical to the arch wire groove (7); the bracket base body (1) is provided with a pin hole (9) vertical to the sliding pair, and the pin hole (9) is matched with the positioning pin (4); positioning spring piece (3) buckle (11) including location fastener (10) and elastic positioning, location fastener (10) are fixed with mutual gomphosis of spring leaf constant head tank (6), there is enough elastic positioning to buckle (11) clearance of limited elastic deformation between elastic positioning buckle (11) and spring leaf constant head tank (6), elastic positioning buckles and is equipped with on (11) with locating pin (4) complex arc wall (12), arc wall (12) are one and are equipped with open-ended circular slot, its opening is towards the opposite end of location fastener (10) one end, arc wall (12) form an expanding groove at the open-ended end.

2. The self-locking special-shaped bracket for correcting the dentognathic deformity according to claim 1, wherein a detaching groove (13) is arranged on the bracket base body (1), and the detaching groove (13) is opposite to the sliding pair; the bottom of the bracket base body (1) is provided with a traction hook groove (18), and the direction of the traction hook groove (18) is consistent with that of the sliding pair.

3. The self-ligating irregular bracket for correcting dentognathic deformity as claimed in claim 1, wherein the bottom of said sliding cover (2) is provided with a guide groove (14) having the same direction as the sliding groove (5), and the bracket base body (1) is provided with a guide strip (15) fitted thereto at a position corresponding to the guide groove (14).

4. The self-locking special-shaped bracket for correcting the dentognathic deformity according to claim 1, wherein the sliding cover (2) is provided with a step positioning block (16) at one side close to the archwire slot (7), and the bracket base body (1) is provided with a clamping groove (17) matched with the step positioning block (16) at a position corresponding to the step positioning block (16).