CN211325752U

CN211325752U - Self-ligating bracket for correcting dentognathic deformity

Info

Publication number: CN211325752U
Application number: CN201921783863.5U
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: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-25
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a self-ligating bracket for correcting dentognathic deformity, which comprises a bracket base body, a slip cover, a front wing and a positioning spring piece, wherein the bracket base body is provided with an arch wire groove, and the bracket base body and the front wing are welded and fixed; the bracket base body is also provided with a sliding chute, and the sliding chute and the front wing are distributed on two sides of the arch wire groove; the sliding cover and the sliding groove form a sliding pair, a positioning spring piece is fixed on the matching side of the sliding cover and the sliding groove, the positioning spring piece comprises a piece body and a stop beam positioned at the tail end of the piece body, and an elastic buckle is arranged on the piece body; and a stop groove matched with the stop beam is arranged at the junction of the sliding groove and the arch wire groove. The utility model discloses the self-ligating bracket of correcting dentognathic deformity who obtains, the structure cooperation of ending position roof beam and front wing can guarantee that spare part in use does not take place to drop, made things convenient for in-service use, has improved availability factor and security.

Description

Self-ligating bracket for correcting dentognathic deformity

Technical Field

The utility model relates to a dental orthodontic appliance, in particular to a self-locking 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 the door is added on the bracket, the orthodontic arch wire can be directly locked in the groove of the bracket, the binding of the binding arch wire or the rubber ring to the orthodontic arch wire is avoided, the damage of materials such as the ligated steel wire and the like to oral cavity soft tissues around teeth can be effectively reduced, and the operation of a doctor in the process of fixing the bracket is convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing the self-locking bracket for correcting the malformation of the tooth jaw, which has simple structure, few parts and convenient assembly and disassembly.

In order to achieve the purpose, the self-ligating bracket for correcting the malformation of the tooth jaw designed by the utility model comprises a bracket base body, a slip cover, a front wing and a positioning spring piece, wherein the bracket base body is provided with an arch wire groove, and the bracket base body and the front wing are welded and fixed; the bracket base body is also provided with a sliding groove, the sliding groove and the front wing are distributed on two sides of the arch wire groove, and the matching surface of the front wing and the bracket base body is not higher than the bottom surface of the sliding groove; a stop groove crossed with the sliding groove is arranged at the junction of the sliding groove and the arch wire groove; the sliding cover and the sliding groove form a single-degree-of-freedom sliding pair; the positioning spring piece is fixed below the sliding cover and comprises a piece body fixedly connected with the sliding cover and a stop beam located at the tail end of the piece body and used for being matched with the stop groove when the arch wire groove is opened, the length of the stop beam is larger than the width of the sliding cover, an elastic buckle is arranged on the positioning spring piece, and a gap which is enough for the elastic buckle to deform is formed between the elastic buckle and the piece body.

In order to facilitate installation and positioning of the positioning spring piece, the matching side of the sliding cover and the sliding groove is provided with a spring piece positioning groove, the positioning spring piece is matched with the spring piece positioning groove, the spring piece positioning groove comprises a longitudinal groove which is consistent with the direction of the sliding groove and is used for being matched with the piece body and a transverse groove which is crossed with the longitudinal groove, and a positioning block which is matched with the transverse groove is outwards extended on the piece body.

The spring piece positioning groove and the positioning spring piece can be in a shape like the Chinese character 'tu', the elastic buckle extends outwards from the edge of the positioning block, and one side of the stop beam is in contact with the sliding cover.

The spring piece positioning groove can be in an I shape, and at the moment, the spring piece positioning groove also comprises a limiting groove which is parallel to the transverse groove and is positioned at the tail end of the longitudinal groove; the both ends and the spout cooperation of locating piece, be equipped with on the lamellar body with spacing groove complex arch, the elasticity is detained and is set up on ending the position roof beam.

In order to ensure the reliable connection between the positioning spring piece and the sliding cover, the sliding cover is fixedly connected with the positioning spring piece in a welding mode; the positioning spring piece comprises a piece body fixed with the sliding cover and a stop beam positioned at the tail end of the piece body, the length of the stop beam is greater than the width of the sliding cover, the piece body extends outwards to form an elastic buckle, and a gap enough for elastic deformation of the elastic buckle is formed between the elastic buckle and the piece body; the sheet body is also provided with a guide block matched with the sliding groove.

Obviously, when the sliding cover is provided with the spring plate positioning slot, the positioning spring plate and the sliding cover can be further fixed by welding.

In order to facilitate the disassembly and assembly of the arch wire, the front wing is provided with a disassembly groove, and when the front wing is arranged on the bracket base body, the disassembly groove and the sliding groove are respectively positioned at two sides of the arch wire groove.

In order to be matched with the tooth surface in actual use, the bottom of the bracket base body is an arc surface.

In order to facilitate positioning during welding, the bracket base body is provided with a positioning groove parallel to the arch wire groove, and the front wing is provided with a positioning slide block matched with the positioning groove.

In order to facilitate installation, the front wing is provided with a towing hook.

The utility model discloses the correction odontognathic deformity self-ligating bracket who obtains utilizes the structure cooperation of ending position roof beam and front wing, can guarantee that self-ligating bracket's spare part in use does not take place to drop, made things convenient for self-ligating bracket's in-service use, has improved availability factor and security.

Drawings

FIG. 1 is a schematic structural view of a self-ligating bracket 1 for correcting a malformation of a tooth and jaw according to the present invention;

FIG. 2 is a bottom view of the slide cover and the positioning spring plate in the embodiment 1;

FIG. 3 is a schematic view showing the assembly of a self-ligating bracket and an archwire for correcting a malformation of a tooth jaw in example 1;

FIG. 4 is an exploded view of a self-ligating bracket, in accordance with example 2, for correcting dentognathic deformity, without prior welding;

FIG. 5 is a bottom view of the slide cover and the positioning spring plate according to embodiment 3;

fig. 6 is a bottom view of the slide cover and the positioning spring plate in embodiment 4.

In the figure: the bracket comprises a bracket base body 1, a sliding cover 2, a front wing 3, a positioning spring piece 4, an arch wire 5, an arch wire groove 10, a sliding groove 11, a stop groove 12, a positioning groove 13, a spring piece positioning groove 20, a dismounting groove 30, a positioning slide block 31, a traction hook 32, a sheet body 40, a stop beam 41, a positioning block 42, an elastic buckle 43, a gap 44, a protrusion 45, a guide block 46, a longitudinal groove 200, a transverse groove 201 and a limiting groove 202.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

the self-ligating bracket for correcting dentognathic deformity described in this embodiment, as shown in fig. 1, includes a bracket base 1, a slip cover 2, a front wing 3 and a positioning spring piece 4, wherein an archwire slot 10 is provided on the bracket base 1, and the bracket base 1 and the front wing 3 are welded and fixed; the bracket base body 1 is also provided with a sliding groove 11, the sliding groove 11 and the front wing 3 are distributed on two sides of the arch wire groove 10, and the matching surface of the front wing 3 and the bracket base body 1 is not higher than the bottom surface of the sliding groove 11; a stop groove 12 crossed with the sliding groove 11 is arranged at the junction of the sliding groove 11 and the arch wire groove 10; the sliding cover 2 and the sliding groove 11 form a single-degree-of-freedom sliding pair; a positioning spring piece 4 is fixed below the sliding cover 2, the positioning spring piece 4 comprises a piece body 40 fixedly connected with the sliding cover 2 and a stop beam 41 which is positioned at the tail end of the piece body 40 and is used for being matched with the stop groove 12 when the arch wire groove 10 is opened, the length of the stop beam 41 is greater than the width of the sliding cover 2, an elastic buckle 43 is arranged on the positioning spring piece 4, and a gap 44 which is enough for the elastic buckle 43 to deform is arranged between the elastic buckle 43 and the piece body 40; as shown in figure 3, due to the existence of the stop beam 41 and the front wing 3, when the arch wire is installed to the self-ligating bracket, the opened sliding cover 2 never falls off, thereby effectively ensuring the use safety of the self-ligating bracket.

In order to facilitate installation and positioning of the positioning spring piece 4, a spring piece positioning groove 20 is formed in the matching side of the sliding cover 2 and the sliding groove 11, the positioning spring piece 4 is matched with the spring piece positioning groove 20, the spring piece positioning groove 20 comprises a longitudinal groove 200 which is in the same direction as the sliding groove 11 and is used for being matched with the sheet body 40, and a transverse groove 201 which is crossed with the longitudinal groove 200, and a positioning block 42 which is matched with the transverse groove 201 extends outwards from the sheet body 40.

In this embodiment, the spring positioning groove 20 and the positioning spring 4 are both "earth" shaped, the elastic buckle 43 extends outward from the edge of the positioning block 42, and one side of the stop beam 41 contacts the sliding cover 2.

In the actual manufacturing process of the self-ligating bracket, the positioning spring piece 4 is firstly embedded into the sliding cover 2, the sliding cover 2 is pushed into the sliding groove 11, at the moment, the elastic buckle 43 on the positioning spring piece 4 is elastically deformed under the extrusion of the side wall of the sliding groove 11, and the sliding cover 2 cannot be separated from the sliding groove 11 along the pushing direction due to the existence of the stop beam 41 and the stop groove 12; after the primary positioning of the sliding cover 2 is completed, the front wing 3 is fixed on the bracket base body 1 in a welding mode, and after the front wing 3 is fixed, the sliding cover 2 can only move back and forth in a limited space above the arch wire groove 10 under the double limiting of the stop beam 41 and the front wing 3; in the actual use process, as shown in fig. 1, the stop beam 41 can prop against the stop groove 12 only by opening the sliding cover 2; as shown in fig. 2, at this time, the archwire 5 may be inserted into the archwire slot 10, the slide cover 2 may be closed, the positioning spring piece 4 abuts against the front wing 3, the elastic buckle 43 may be elastically deformed, and the end of the elastic buckle 43 may be buckled on the stop slot 12 to make the slide cover 2 still.

The self-ligating bracket for correcting the malformation of the tooth jaw provided by the embodiment utilizes the structural matching of the stop beam 41 and the front wing 3, can ensure that the parts of the self-ligating bracket do not fall off in use, is convenient for the practical use of the self-ligating bracket, and improves the use efficiency and the safety.

Example 2:

in the self-ligating bracket for correcting a dentognathic deformity described in this embodiment, as shown in fig. 4, in addition to the features described in embodiment 1, in order to facilitate the detachment and installation of the archwire 5, the front wing 3 is provided with a detachment slot 30, and when the front wing 3 is mounted on the bracket base body 1, the detachment slot 30 and the sliding slot 11 are respectively located at both sides of the archwire slot 10.

In order to be matched with the tooth surface in actual use, the bottom of the bracket base body 1 is an arc surface.

In order to facilitate positioning during welding, as shown in fig. 4, a positioning groove 13 parallel to the archwire groove 10 is formed in the bracket base 1, and a positioning slider 31 matched with the positioning groove 13 is formed in the front wing 3.

For the convenience of installation, as shown in fig. 4, the front wing 3 is provided with a towing hook 32.

The self-locking bracket for correcting the malformation of the tooth jaw provided by the embodiment is more convenient to disassemble and assemble, the installation and positioning of the front wing 3 are more accurate and convenient, and the production and use efficiency can be effectively improved.

Example 3:

the present embodiment describes a self-ligating bracket for correcting a dentognathic deformity, and as shown in fig. 5, the present embodiment is different from embodiment 2 in that: the spring piece positioning groove 20 can be in an I shape instead of an I shape, and the spring piece positioning groove 20 also comprises a limiting groove 202 which is parallel to the transverse groove 201 and is positioned at the tail end of the longitudinal groove 200; the two ends of the positioning block 42 are matched with the sliding grooves 11, the sheet body 40 is provided with a bulge 45 matched with the limiting groove 202, and the elastic buckle 43 is arranged on the stop beam 41.

In practical use, when the sliding cover 2 is opened, the end of the elastic buckle 43 abuts against the outer surface of the bracket base 1 on the side far away from the stop groove 12, so that the sliding cover 2 is kept in an open state to place an arch wire; after the sliding cover 2 is closed, the elastic buckle 43 elastically deforms and abuts against the sliding groove 11, and at this time, the elastic buckle 43 arranged according to the direction shown in fig. 5 will play a role of a barb, so as to further reduce the possibility of the sliding cover 2 slipping and the archwire slipping, and increase the reliability of the orthodontic self-ligating bracket provided by the embodiment.

Example 4:

the present embodiment describes a self-ligating bracket for correcting a dentognathic deformity, as shown in fig. 6, and is different from embodiment 2 in that: in order to ensure the reliable connection of the positioning spring 4 and the sliding cover 2, the spring positioning groove 20 is not arranged on the matching side of the sliding cover 2 and the sliding groove 11; at the moment, the sliding cover 2 is fixedly connected with the positioning spring piece 4 in a welding mode; the positioning spring piece 4 comprises a sheet body 40 fixed with the sliding cover 2 and a stop beam 41 positioned at the tail end of the sheet body 40, the length of the stop beam 41 is greater than the width of the sliding cover 2, the sheet body 40 extends outwards to form an elastic buckle 43, and a gap 44 which is enough for the elastic buckle 43 to elastically deform is arranged between the elastic buckle 43 and the sheet body 40; the sheet body 40 is further provided with a guide block 46 matched with the chute 11.

The orthodontic tooth malformation self-ligating bracket provided by the embodiment adopts a welding mode to reliably connect the positioning spring piece 4 with the sliding cover 2, so that the number of single parts in the actual use process is reduced, and the use efficiency and the safety of the self-ligating bracket are further improved.

Claims

1. A self-ligating bracket for correcting dentognathic deformity comprises a bracket base body (1), a slip cover (2), a front wing (3) and a positioning spring piece (4), wherein an arch wire groove (10) is formed in the bracket base body (1), and is characterized in that the bracket base body (1) and the front wing (3) are welded and fixed; the bracket base body (1) is also provided with a sliding groove (11), the sliding groove (11) and the front wing (3) are distributed on two sides of the arch wire groove, and the matching surface of the front wing (3) and the bracket base body (1) is not higher than the bottom surface of the sliding groove (11); a stop groove (12) crossed with the sliding groove (11) is arranged at the junction of the sliding groove (11) and the arch wire groove (10); the sliding cover (2) and the sliding groove (11) form a single-degree-of-freedom sliding pair; the positioning spring piece (4) is fixed below the sliding cover (2), the positioning spring piece (4) comprises a piece body (40) fixedly connected with the sliding cover (2), and a stop beam (41) which is located at the tail end of the piece body (40) and is used for being matched with the stop groove (12) when the arch wire groove is opened, the length of the stop beam (41) is larger than the width of the sliding cover (2), an elastic buckle (43) is arranged on the positioning spring piece (4), and a gap (44) which is enough for the elastic buckle (43) to deform is formed between the elastic buckle (43) and the piece body (40).

2. The orthodontic self-ligating bracket of claim 1, wherein a spring plate positioning groove (20) is formed in a fitting side of the sliding cover (2) and the sliding groove (11), the positioning spring plate (4) is fitted into the spring plate positioning groove (20), the spring plate positioning groove (20) comprises a longitudinal groove (200) which is in the same direction as the sliding groove (11) and is used for fitting with the sheet body (40), and a transverse groove (201) which intersects with the longitudinal groove (200), and a positioning block (42) which is fitted with the transverse groove (201) extends outwards from the sheet body (40).

3. The orthodontic self-ligating bracket of claim 2, wherein the spring plate positioning slot (20) and the positioning spring plate (4) are both in a shape of Chinese character 'tu', the elastic buckle (43) extends outwards from the edge of the positioning block (42), and one side of the stop beam (41) is in contact with the sliding cover (2).

4. The orthodontic self-ligating bracket of claim 2, wherein the spring plate positioning slot (20) is in an "i" shape, and the spring plate positioning slot (20) further comprises a limiting slot (202) parallel to the transverse slot (201) and located at the end of the longitudinal slot (200); the both ends of locating piece (42) and spout (11) cooperation, be equipped with on lamellar body (40) with spacing groove (202) complex arch (45), elasticity is detained (43) and is set up on ending position roof beam (41).

5. The self-ligating bracket for correcting dentognathic deformity according to claim 1, wherein the slip cover (2) is fixedly connected with the positioning spring piece (4) by welding; the positioning spring piece (4) comprises a piece body (40) fixed with the sliding cover (2) and a stop beam (41) positioned at the tail end of the piece body (40), an elastic buckle (43) extends outwards from the piece body (40), and a gap which is enough for elastic deformation of the elastic buckle is formed between the elastic buckle (43) and the piece body (40); the sheet body (40) is also provided with a guide block (46) matched with the sliding groove (11).

6. The self-ligating bracket for correcting dentognathic deformity according to claim 1 or 2 or 3 or 4 or 5, wherein the front wing (3) is provided with a detachable groove (30), and when the front wing (3) is mounted on the bracket base body (1), the detachable groove (30) and the slide groove (11) are respectively positioned at both sides of the archwire groove (10).

7. The orthodontic self-ligating bracket of claim 1, 2, 3, 4 or 5, wherein the base of the bracket body (1) is a curved surface.

8. The self-ligating bracket for correcting dentognathic deformity according to claim 1, 2, 3, 4 or 5, wherein the bracket base body (1) is provided with a positioning groove (13) parallel to the archwire slot (10), and the front wing (3) is provided with a positioning slider (31) engaged with the positioning groove (13).

9. The self-ligating bracket for correcting dentognathic deformity according to claim 6, wherein the bracket base body (1) is provided with a positioning groove (13) parallel to the archwire slot (10), and the front wing (3) is provided with a positioning slider (31) engaged with the positioning groove (13).

10. The orthodontic self-ligating bracket of claim 1 or 2 or 3 or 4 or 5, wherein the front wing (3) is provided with a towing hook (32).